src/render/SDL_render.c
author Philipp Wiesemann <philipp.wiesemann@arcor.de>
Sat, 04 May 2013 22:44:03 +0200
changeset 7143 fa117b9cc89b
parent 7141 e276777b4247
child 7191 75360622e65f
permissions -rw-r--r--
Fixed SDL_RenderSetClipRect() returning undefined instead of -1 on error.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     1
/*
5535
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
     2
  Simple DirectMedia Layer
6885
700f1b25f77f Happy New Year!
Sam Lantinga <slouken@libsdl.org>
parents: 6581
diff changeset
     3
  Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     4
5535
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
     5
  This software is provided 'as-is', without any express or implied
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
     6
  warranty.  In no event will the authors be held liable for any damages
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
     7
  arising from the use of this software.
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
     8
5535
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
     9
  Permission is granted to anyone to use this software for any purpose,
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    10
  including commercial applications, and to alter it and redistribute it
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    11
  freely, subject to the following restrictions:
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    12
5535
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    13
  1. The origin of this software must not be misrepresented; you must not
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    14
     claim that you wrote the original software. If you use this software
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    15
     in a product, an acknowledgment in the product documentation would be
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    16
     appreciated but is not required.
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    17
  2. Altered source versions must be plainly marked as such, and must not be
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    18
     misrepresented as being the original software.
96594ac5fd1a SDL 1.3 is now under the zlib license.
Sam Lantinga <slouken@libsdl.org>
parents: 5528
diff changeset
    19
  3. This notice may not be removed or altered from any source distribution.
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    20
*/
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    21
#include "SDL_config.h"
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    22
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    23
/* The SDL 2D rendering system */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    24
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
    25
#include "SDL_hints.h"
5221
2ee8112bfc6b Added a simple log message API
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
    26
#include "SDL_log.h"
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    27
#include "SDL_render.h"
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    28
#include "SDL_sysrender.h"
5195
bb45ecd958d8 Renamed files for consistency
Sam Lantinga <slouken@libsdl.org>
parents: 5192
diff changeset
    29
#include "software/SDL_render_sw_c.h"
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    30
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    31
5528
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
    32
#define SDL_WINDOWRENDERDATA    "_SDL_WindowRenderData"
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
    33
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    34
#define CHECK_RENDERER_MAGIC(renderer, retval) \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    35
    if (!renderer || renderer->magic != &renderer_magic) { \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    36
        SDL_SetError("Invalid renderer"); \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    37
        return retval; \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    38
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    39
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    40
#define CHECK_TEXTURE_MAGIC(texture, retval) \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    41
    if (!texture || texture->magic != &texture_magic) { \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    42
        SDL_SetError("Invalid texture"); \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    43
        return retval; \
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    44
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    45
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    46
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    47
#if !SDL_RENDER_DISABLED
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    48
static const SDL_RenderDriver *render_drivers[] = {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    49
#if SDL_VIDEO_RENDER_D3D
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    50
    &D3D_RenderDriver,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    51
#endif
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    52
#if SDL_VIDEO_RENDER_OGL
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    53
    &GL_RenderDriver,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    54
#endif
5209
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5201
diff changeset
    55
#if SDL_VIDEO_RENDER_OGL_ES2
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5201
diff changeset
    56
    &GLES2_RenderDriver,
115fff0641ee Prefer the OpenGL ES 2.0 context when it's available, make it possible to create an OpenGL 2.0 context on iPhoneOS
Sam Lantinga <slouken@libsdl.org>
parents: 5201
diff changeset
    57
#endif
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    58
#if SDL_VIDEO_RENDER_OGL_ES
5201
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
Sam Lantinga <slouken@libsdl.org>
parents: 5199
diff changeset
    59
    &GLES_RenderDriver,
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
Sam Lantinga <slouken@libsdl.org>
parents: 5199
diff changeset
    60
#endif
5199
164f20ba08eb Updated the DirectFB support, from Couriersud
Sam Lantinga <slouken@libsdl.org>
parents: 5195
diff changeset
    61
#if SDL_VIDEO_RENDER_DIRECTFB
164f20ba08eb Updated the DirectFB support, from Couriersud
Sam Lantinga <slouken@libsdl.org>
parents: 5195
diff changeset
    62
    &DirectFB_RenderDriver,
164f20ba08eb Updated the DirectFB support, from Couriersud
Sam Lantinga <slouken@libsdl.org>
parents: 5195
diff changeset
    63
#endif
7009
161b7b6a5303 Add PSP support
Captain Lex <kimonline@126.com>
parents: 6885
diff changeset
    64
#if SDL_VIDEO_RENDER_PSP
161b7b6a5303 Add PSP support
Captain Lex <kimonline@126.com>
parents: 6885
diff changeset
    65
    &PSP_RenderDriver,
161b7b6a5303 Add PSP support
Captain Lex <kimonline@126.com>
parents: 6885
diff changeset
    66
#endif
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    67
    &SW_RenderDriver
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    68
};
5226
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
    69
#endif /* !SDL_RENDER_DISABLED */
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    70
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    71
static char renderer_magic;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    72
static char texture_magic;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    73
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
    74
static int UpdateLogicalSize(SDL_Renderer *renderer);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
    75
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    76
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    77
SDL_GetNumRenderDrivers(void)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    78
{
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    79
#if !SDL_RENDER_DISABLED
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    80
    return SDL_arraysize(render_drivers);
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    81
#else
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    82
    return 0;
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    83
#endif
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    84
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    85
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    86
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    87
SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    88
{
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    89
#if !SDL_RENDER_DISABLED
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    90
    if (index < 0 || index >= SDL_GetNumRenderDrivers()) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
    91
        return SDL_SetError("index must be in the range of 0 - %d",
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
    92
                            SDL_GetNumRenderDrivers() - 1);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    93
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    94
    *info = render_drivers[index]->info;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    95
    return 0;
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    96
#else
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    97
    return SDL_SetError("SDL not built with rendering support");
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
    98
#endif
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
    99
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   100
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   101
static int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   102
SDL_RendererEventWatch(void *userdata, SDL_Event *event)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   103
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   104
    SDL_Renderer *renderer = (SDL_Renderer *)userdata;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   105
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   106
    if (event->type == SDL_WINDOWEVENT) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   107
        SDL_Window *window = SDL_GetWindowFromID(event->window.windowID);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   108
        if (window == renderer->window) {
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   109
            if (renderer->WindowEvent) {
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   110
                renderer->WindowEvent(renderer, &event->window);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   111
            }
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   112
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   113
            if (event->window.event == SDL_WINDOWEVENT_RESIZED) {
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   114
                if (renderer->logical_w) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   115
                    /* We'll update the renderer in the SIZE_CHANGED event */
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   116
                } else {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   117
                    /* Try to keep the previous viewport centered */
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   118
                    int w, h;
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   119
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   120
                    SDL_GetWindowSize(window, &w, &h);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   121
                    if (renderer->target) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   122
                        renderer->viewport_backup.x = (w - renderer->viewport_backup.w) / 2;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   123
                        renderer->viewport_backup.y = (h - renderer->viewport_backup.h) / 2;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   124
                    } else {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   125
                        renderer->viewport.x = (w - renderer->viewport.w) / 2;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   126
                        renderer->viewport.y = (h - renderer->viewport.h) / 2;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   127
                        renderer->UpdateViewport(renderer);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   128
                    }
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   129
                }
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   130
                renderer->resized = SDL_TRUE;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   131
            } else if (event->window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   132
                if (renderer->logical_w) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   133
                    UpdateLogicalSize(renderer);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   134
                } else if (!renderer->resized) {
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   135
                    /* Window was programmatically resized, reset viewport */
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   136
                    int w, h;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   137
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   138
                    SDL_GetWindowSize(window, &w, &h);
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   139
                    if (renderer->target) {
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   140
                        renderer->viewport_backup.x = 0;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   141
                        renderer->viewport_backup.y = 0;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   142
                        renderer->viewport_backup.w = w;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   143
                        renderer->viewport_backup.h = h;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   144
                    } else {
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   145
                        renderer->viewport.x = 0;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   146
                        renderer->viewport.y = 0;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   147
                        renderer->viewport.w = w;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   148
                        renderer->viewport.h = h;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   149
                        renderer->UpdateViewport(renderer);
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   150
                    }
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   151
                }
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   152
                renderer->resized = SDL_FALSE;
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   153
            } else if (event->window.event == SDL_WINDOWEVENT_HIDDEN) {
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   154
                renderer->hidden = SDL_TRUE;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   155
            } else if (event->window.event == SDL_WINDOWEVENT_SHOWN) {
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   156
                if (!(SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)) {
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   157
                    renderer->hidden = SDL_FALSE;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   158
                }
6060
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   159
            } else if (event->window.event == SDL_WINDOWEVENT_MINIMIZED) {
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   160
                renderer->hidden = SDL_TRUE;
6060
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   161
            } else if (event->window.event == SDL_WINDOWEVENT_RESTORED) {
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   162
                if (!(SDL_GetWindowFlags(window) & SDL_WINDOW_HIDDEN)) {
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   163
                    renderer->hidden = SDL_FALSE;
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   164
                }
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   165
            }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   166
        }
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   167
    } else if (event->type == SDL_MOUSEMOTION) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   168
        if (renderer->logical_w) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   169
            event->motion.x -= renderer->viewport.x;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   170
            event->motion.y -= renderer->viewport.y;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   171
            event->motion.x = (int)(event->motion.x / renderer->scale.x);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   172
            event->motion.y = (int)(event->motion.y / renderer->scale.y);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   173
        }
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   174
    } else if (event->type == SDL_MOUSEBUTTONDOWN ||
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   175
               event->type == SDL_MOUSEBUTTONUP) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   176
        if (renderer->logical_w) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   177
            event->button.x -= renderer->viewport.x;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   178
            event->button.y -= renderer->viewport.y;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   179
            event->button.x = (int)(event->button.x / renderer->scale.x);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   180
            event->button.y = (int)(event->button.y / renderer->scale.y);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   181
        }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   182
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   183
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   184
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   185
6258
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   186
int
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   187
SDL_CreateWindowAndRenderer(int width, int height, Uint32 window_flags,
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   188
                            SDL_Window **window, SDL_Renderer **renderer)
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   189
{
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   190
    *window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_UNDEFINED,
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   191
                                     SDL_WINDOWPOS_UNDEFINED,
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   192
                                     width, height, window_flags);
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   193
    if (!*window) {
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   194
        *renderer = NULL;
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   195
        return -1;
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   196
    }
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   197
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   198
    *renderer = SDL_CreateRenderer(*window, -1, 0);
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   199
    if (!*renderer) {
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   200
        return -1;
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   201
    }
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   202
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   203
    return 0;
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   204
}
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 6247
diff changeset
   205
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   206
SDL_Renderer *
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   207
SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   208
{
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   209
#if !SDL_RENDER_DISABLED
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   210
    SDL_Renderer *renderer = NULL;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   211
    int n = SDL_GetNumRenderDrivers();
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   212
    const char *hint;
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   213
5528
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   214
    if (!window) {
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   215
        SDL_SetError("Invalid window");
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   216
        return NULL;
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   217
    }
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   218
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   219
    if (SDL_GetRenderer(window)) {
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   220
        SDL_SetError("Renderer already associated with window");
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   221
        return NULL;
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   222
    }
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   223
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   224
    hint = SDL_GetHint(SDL_HINT_RENDER_VSYNC);
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   225
    if (hint) {
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   226
        if (*hint == '0') {
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   227
            flags &= ~SDL_RENDERER_PRESENTVSYNC;
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   228
        } else {
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   229
            flags |= SDL_RENDERER_PRESENTVSYNC;
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   230
        }
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   231
    }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   232
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   233
    if (index < 0) {
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   234
        hint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   235
        if (hint) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   236
            for (index = 0; index < n; ++index) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   237
                const SDL_RenderDriver *driver = render_drivers[index];
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   238
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   239
                if (SDL_strcasecmp(hint, driver->info.name) == 0) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   240
                    /* Create a new renderer instance */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   241
                    renderer = driver->CreateRenderer(window, flags);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   242
                    break;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   243
                }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   244
            }
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   245
        }
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   246
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   247
        if (!renderer) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   248
            for (index = 0; index < n; ++index) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   249
                const SDL_RenderDriver *driver = render_drivers[index];
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   250
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   251
                if ((driver->info.flags & flags) == flags) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   252
                    /* Create a new renderer instance */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   253
                    renderer = driver->CreateRenderer(window, flags);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   254
                    if (renderer) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   255
                        /* Yay, we got one! */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   256
                        break;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   257
                    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   258
                }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   259
            }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   260
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   261
        if (index == n) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   262
            SDL_SetError("Couldn't find matching render driver");
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   263
            return NULL;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   264
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   265
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   266
        if (index >= SDL_GetNumRenderDrivers()) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   267
            SDL_SetError("index must be -1 or in the range of 0 - %d",
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   268
                         SDL_GetNumRenderDrivers() - 1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   269
            return NULL;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   270
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   271
        /* Create a new renderer instance */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   272
        renderer = render_drivers[index]->CreateRenderer(window, flags);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   273
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   274
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   275
    if (renderer) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   276
        renderer->magic = &renderer_magic;
5166
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   277
        renderer->window = window;
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   278
        renderer->scale.x = 1.0f;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   279
        renderer->scale.y = 1.0f;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   280
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   281
        if (SDL_GetWindowFlags(window) & (SDL_WINDOW_HIDDEN|SDL_WINDOW_MINIMIZED)) {
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   282
            renderer->hidden = SDL_TRUE;
6060
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   283
        } else {
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   284
            renderer->hidden = SDL_FALSE;
6060
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   285
        }
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   286
5528
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   287
        SDL_SetWindowData(window, SDL_WINDOWRENDERDATA, renderer);
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   288
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   289
        SDL_RenderSetViewport(renderer, NULL);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   290
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
        SDL_AddEventWatch(SDL_RendererEventWatch, renderer);
5221
2ee8112bfc6b Added a simple log message API
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   292
2ee8112bfc6b Added a simple log message API
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   293
        SDL_LogInfo(SDL_LOG_CATEGORY_RENDER,
2ee8112bfc6b Added a simple log message API
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   294
                    "Created renderer: %s", renderer->info.name);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   295
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   296
    return renderer;
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   297
#else
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   298
    SDL_SetError("SDL not built with rendering support");
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   299
    return NULL;
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   300
#endif
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   302
5166
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   303
SDL_Renderer *
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   304
SDL_CreateSoftwareRenderer(SDL_Surface * surface)
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   305
{
5226
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   306
#if !SDL_RENDER_DISABLED
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   307
    SDL_Renderer *renderer;
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   308
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   309
    renderer = SW_CreateRendererForSurface(surface);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   310
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   311
    if (renderer) {
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   312
        renderer->magic = &renderer_magic;
6532
58f726a2fc82 Initialized default scale for software renderer (thanks Marcus von Appen!)
Sam Lantinga <slouken@libsdl.org>
parents: 6531
diff changeset
   313
        renderer->scale.x = 1.0f;
58f726a2fc82 Initialized default scale for software renderer (thanks Marcus von Appen!)
Sam Lantinga <slouken@libsdl.org>
parents: 6531
diff changeset
   314
        renderer->scale.y = 1.0f;
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   315
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   316
        SDL_RenderSetViewport(renderer, NULL);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   317
    }
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   318
    return renderer;
5226
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   319
#else
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   320
    SDL_SetError("SDL not built with rendering support");
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   321
    return NULL;
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   322
#endif /* !SDL_RENDER_DISABLED */
5166
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   323
}
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   324
5528
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   325
SDL_Renderer *
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   326
SDL_GetRenderer(SDL_Window * window)
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   327
{
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   328
    return (SDL_Renderer *)SDL_GetWindowData(window, SDL_WINDOWRENDERDATA);
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   329
}
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   330
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   331
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   332
SDL_GetRendererInfo(SDL_Renderer * renderer, SDL_RendererInfo * info)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   333
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   334
    CHECK_RENDERER_MAGIC(renderer, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   335
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   336
    *info = renderer->info;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   337
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   338
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   339
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   340
static SDL_bool
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   341
IsSupportedFormat(SDL_Renderer * renderer, Uint32 format)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   342
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   343
    Uint32 i;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   344
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   345
    for (i = 0; i < renderer->info.num_texture_formats; ++i) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   346
        if (renderer->info.texture_formats[i] == format) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   347
            return SDL_TRUE;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   348
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   349
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   350
    return SDL_FALSE;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   351
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   352
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   353
static Uint32
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   354
GetClosestSupportedFormat(SDL_Renderer * renderer, Uint32 format)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   355
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   356
    Uint32 i;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   357
5268
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   358
    if (SDL_ISPIXELFORMAT_FOURCC(format)) {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   359
        /* Look for an exact match */
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   360
        for (i = 0; i < renderer->info.num_texture_formats; ++i) {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   361
            if (renderer->info.texture_formats[i] == format) {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   362
                return renderer->info.texture_formats[i];
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   363
            }
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   364
        }
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   365
    } else {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   366
        SDL_bool hasAlpha = SDL_ISPIXELFORMAT_ALPHA(format);
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   367
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   368
        /* We just want to match the first format that has the same channels */
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   369
        for (i = 0; i < renderer->info.num_texture_formats; ++i) {
5300
3f825465a14a Don't accidentally pick a YV12 format as the closest format.
Sam Lantinga <slouken@libsdl.org>
parents: 5297
diff changeset
   370
            if (!SDL_ISPIXELFORMAT_FOURCC(renderer->info.texture_formats[i]) &&
3f825465a14a Don't accidentally pick a YV12 format as the closest format.
Sam Lantinga <slouken@libsdl.org>
parents: 5297
diff changeset
   371
                SDL_ISPIXELFORMAT_ALPHA(renderer->info.texture_formats[i]) == hasAlpha) {
5268
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   372
                return renderer->info.texture_formats[i];
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   373
            }
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   374
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   375
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   376
    return renderer->info.texture_formats[0];
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   377
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   378
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
SDL_Texture *
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
SDL_CreateTexture(SDL_Renderer * renderer, Uint32 format, int access, int w, int h)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   381
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   382
    SDL_Texture *texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   383
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   384
    CHECK_RENDERER_MAGIC(renderer, NULL);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   385
5413
64c0e474c459 If you pass in texture format 0, it'll use the first supported texture format.
Sam Lantinga <slouken@libsdl.org>
parents: 5369
diff changeset
   386
    if (!format) {
64c0e474c459 If you pass in texture format 0, it'll use the first supported texture format.
Sam Lantinga <slouken@libsdl.org>
parents: 5369
diff changeset
   387
        format = renderer->info.texture_formats[0];
64c0e474c459 If you pass in texture format 0, it'll use the first supported texture format.
Sam Lantinga <slouken@libsdl.org>
parents: 5369
diff changeset
   388
    }
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   389
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   390
        SDL_SetError("Palettized textures are not supported");
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   391
        return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   392
    }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   393
    if (w <= 0 || h <= 0) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
        SDL_SetError("Texture dimensions can't be 0");
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   395
        return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
    if (!texture) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
        SDL_OutOfMemory();
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   400
        return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
    texture->magic = &texture_magic;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
    texture->format = format;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
    texture->access = access;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
    texture->w = w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
    texture->h = h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
    texture->r = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
    texture->g = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
    texture->b = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
    texture->a = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
    texture->renderer = renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
    texture->next = renderer->textures;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
    if (renderer->textures) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
        renderer->textures->prev = texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
    renderer->textures = texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   418
    if (IsSupportedFormat(renderer, format)) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   419
        if (renderer->CreateTexture(renderer, texture) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   420
            SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   421
            return 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   422
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   423
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   424
        texture->native = SDL_CreateTexture(renderer,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   425
                                GetClosestSupportedFormat(renderer, format),
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   426
                                access, w, h);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   427
        if (!texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   428
            SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   429
            return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   430
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   431
6497
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   432
        /* Swap textures to have texture before texture->native in the list */
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   433
        texture->native->next = texture->next;
6533
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   434
        if (texture->native->next) {
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   435
            texture->native->next->prev = texture->native;
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   436
        }
6497
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   437
        texture->prev = texture->native->prev;
6533
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   438
        if (texture->prev) {
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   439
            texture->prev->next = texture;
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   440
        }
6497
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   441
        texture->native->prev = texture;
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   442
        texture->next = texture->native;
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   443
        renderer->textures = texture;
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   444
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   445
        if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   446
            texture->yuv = SDL_SW_CreateYUVTexture(format, w, h);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   447
            if (!texture->yuv) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   448
                SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   449
                return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   450
            }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   451
        } else if (access == SDL_TEXTUREACCESS_STREAMING) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   452
            /* The pitch is 4 byte aligned */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   453
            texture->pitch = (((w * SDL_BYTESPERPIXEL(format)) + 3) & ~3);
5342
d4b691de3b8f Zero streaming textures to reduce confusion.
Sam Lantinga <slouken@libsdl.org>
parents: 5333
diff changeset
   454
            texture->pixels = SDL_calloc(1, texture->pitch * h);
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   455
            if (!texture->pixels) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   456
                SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   457
                return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   458
            }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   459
        }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
    return texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
SDL_Texture *
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   465
SDL_CreateTextureFromSurface(SDL_Renderer * renderer, SDL_Surface * surface)
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
{
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   467
    const SDL_PixelFormat *fmt;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   468
    SDL_bool needAlpha;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   469
    Uint32 i;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   470
    Uint32 format;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   471
    SDL_Texture *texture;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
    CHECK_RENDERER_MAGIC(renderer, NULL);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
    if (!surface) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
        return NULL;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
    }
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   479
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   480
    /* See what the best texture format is */
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
    fmt = surface->format;
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   482
    if (fmt->Amask || SDL_GetColorKey(surface, NULL) == 0) {
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   483
        needAlpha = SDL_TRUE;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
    } else {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   485
        needAlpha = SDL_FALSE;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   486
    }
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   487
    format = renderer->info.texture_formats[0];
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   488
    for (i = 0; i < renderer->info.num_texture_formats; ++i) {
5268
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   489
        if (!SDL_ISPIXELFORMAT_FOURCC(renderer->info.texture_formats[i]) &&
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   490
            SDL_ISPIXELFORMAT_ALPHA(renderer->info.texture_formats[i]) == needAlpha) {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   491
            format = renderer->info.texture_formats[i];
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   492
            break;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   496
    texture = SDL_CreateTexture(renderer, format, SDL_TEXTUREACCESS_STATIC,
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   497
                                surface->w, surface->h);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
    if (!texture) {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   499
        return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
    }
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   501
5288
d4381f3b0d1e A few fixes:
Sam Lantinga <slouken@libsdl.org>
parents: 5270
diff changeset
   502
    if (format == surface->format->format) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
        if (SDL_MUSTLOCK(surface)) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
            SDL_LockSurface(surface);
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   505
            SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
            SDL_UnlockSurface(surface);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
        } else {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   508
            SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
    } else {
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   511
        SDL_PixelFormat *dst_fmt;
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   512
        SDL_Surface *temp = NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
        /* Set up a destination surface for the texture update */
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   515
        dst_fmt = SDL_AllocFormat(format);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   516
        temp = SDL_ConvertSurface(surface, dst_fmt, 0);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   517
        SDL_FreeFormat(dst_fmt);
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   518
        if (temp) {
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   519
            SDL_UpdateTexture(texture, NULL, temp->pixels, temp->pitch);
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   520
            SDL_FreeSurface(temp);
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   521
        } else {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   522
            SDL_DestroyTexture(texture);
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   523
            return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   524
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   525
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   526
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   527
    {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   528
        Uint8 r, g, b, a;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   529
        SDL_BlendMode blendMode;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
        SDL_GetSurfaceColorMod(surface, &r, &g, &b);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
        SDL_SetTextureColorMod(texture, r, g, b);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   533
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   534
        SDL_GetSurfaceAlphaMod(surface, &a);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
        SDL_SetTextureAlphaMod(texture, a);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   536
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
        if (SDL_GetColorKey(surface, NULL) == 0) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   538
            /* We converted to a texture with alpha format */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   539
            SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
        } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
            SDL_GetSurfaceBlendMode(surface, &blendMode);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
            SDL_SetTextureBlendMode(texture, blendMode);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
    return texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
SDL_QueryTexture(SDL_Texture * texture, Uint32 * format, int *access,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
                 int *w, int *h)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
    if (format) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   555
        *format = texture->format;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   556
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
    if (access) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   558
        *access = texture->access;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   559
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   560
    if (w) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
        *w = texture->w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
    if (h) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   564
        *h = texture->h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
SDL_SetTextureColorMod(SDL_Texture * texture, Uint8 r, Uint8 g, Uint8 b)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
    renderer = texture->renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
    if (r < 255 || g < 255 || b < 255) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
        texture->modMode |= SDL_TEXTUREMODULATE_COLOR;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
        texture->modMode &= ~SDL_TEXTUREMODULATE_COLOR;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
    texture->r = r;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
    texture->g = g;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
    texture->b = b;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   585
    if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   586
        return SDL_SetTextureColorMod(texture->native, r, g, b);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   587
    } else if (renderer->SetTextureColorMod) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
        return renderer->SetTextureColorMod(renderer, texture);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
        return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
SDL_GetTextureColorMod(SDL_Texture * texture, Uint8 * r, Uint8 * g,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
                       Uint8 * b)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
    if (r) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
        *r = texture->r;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
    if (g) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
        *g = texture->g;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
    if (b) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
        *b = texture->b;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   609
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   611
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
SDL_SetTextureAlphaMod(SDL_Texture * texture, Uint8 alpha)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   615
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
    renderer = texture->renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
    if (alpha < 255) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
        texture->modMode |= SDL_TEXTUREMODULATE_ALPHA;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
        texture->modMode &= ~SDL_TEXTUREMODULATE_ALPHA;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   624
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   625
    texture->a = alpha;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   626
    if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   627
        return SDL_SetTextureAlphaMod(texture->native, alpha);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   628
    } else if (renderer->SetTextureAlphaMod) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   629
        return renderer->SetTextureAlphaMod(renderer, texture);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
        return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   636
SDL_GetTextureAlphaMod(SDL_Texture * texture, Uint8 * alpha)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
    if (alpha) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
        *alpha = texture->a;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
SDL_SetTextureBlendMode(SDL_Texture * texture, SDL_BlendMode blendMode)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   649
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
    renderer = texture->renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
    texture->blendMode = blendMode;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   655
    if (texture->native) {
5180
4d098d286794 SDL_SetTextureBlendMode broken, caught by Kai Sterker - Thanks!
Sam Lantinga <slouken@libsdl.org>
parents: 5166
diff changeset
   656
        return SDL_SetTextureBlendMode(texture->native, blendMode);
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   657
    } else if (renderer->SetTextureBlendMode) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
        return renderer->SetTextureBlendMode(renderer, texture);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
        return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
SDL_GetTextureBlendMode(SDL_Texture * texture, SDL_BlendMode *blendMode)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   667
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   668
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   669
    if (blendMode) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
        *blendMode = texture->blendMode;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   675
static int
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   676
SDL_UpdateTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   677
                     const void *pixels, int pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   678
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   679
    SDL_Texture *native = texture->native;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   680
    SDL_Rect full_rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   681
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   682
    if (SDL_SW_UpdateYUVTexture(texture->yuv, rect, pixels, pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   683
        return -1;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   684
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   685
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   686
    full_rect.x = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   687
    full_rect.y = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   688
    full_rect.w = texture->w;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   689
    full_rect.h = texture->h;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   690
    rect = &full_rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   691
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   692
    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   693
        /* We can lock the texture and copy to it */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   694
        void *native_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   695
        int native_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   696
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   697
        if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   698
            return -1;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   699
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   700
        SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   701
                            rect->w, rect->h, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   702
        SDL_UnlockTexture(native);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   703
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   704
        /* Use a temporary buffer for updating */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   705
        void *temp_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   706
        int temp_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   707
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   708
        temp_pitch = (((rect->w * SDL_BYTESPERPIXEL(native->format)) + 3) & ~3);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   709
        temp_pixels = SDL_malloc(rect->h * temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   710
        if (!temp_pixels) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   711
            return SDL_OutOfMemory();
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   712
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   713
        SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   714
                            rect->w, rect->h, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   715
        SDL_UpdateTexture(native, rect, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   716
        SDL_free(temp_pixels);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   717
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   718
    return 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   719
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   720
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   721
static int
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   722
SDL_UpdateTextureNative(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   723
                        const void *pixels, int pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   724
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   725
    SDL_Texture *native = texture->native;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   726
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   727
    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   728
        /* We can lock the texture and copy to it */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   729
        void *native_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   730
        int native_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   731
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   732
        if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   733
            return -1;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   734
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   735
        SDL_ConvertPixels(rect->w, rect->h,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   736
                          texture->format, pixels, pitch,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   737
                          native->format, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   738
        SDL_UnlockTexture(native);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   739
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   740
        /* Use a temporary buffer for updating */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   741
        void *temp_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   742
        int temp_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   743
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   744
        temp_pitch = (((rect->w * SDL_BYTESPERPIXEL(native->format)) + 3) & ~3);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   745
        temp_pixels = SDL_malloc(rect->h * temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   746
        if (!temp_pixels) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   747
            return SDL_OutOfMemory();
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   748
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   749
        SDL_ConvertPixels(rect->w, rect->h,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   750
                          texture->format, pixels, pitch,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   751
                          native->format, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   752
        SDL_UpdateTexture(native, rect, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   753
        SDL_free(temp_pixels);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   754
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   755
    return 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   756
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   757
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   758
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   759
SDL_UpdateTexture(SDL_Texture * texture, const SDL_Rect * rect,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   760
                  const void *pixels, int pitch)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   761
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   762
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   763
    SDL_Rect full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   764
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   765
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   766
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   767
    if (!rect) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   768
        full_rect.x = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   769
        full_rect.y = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   770
        full_rect.w = texture->w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   771
        full_rect.h = texture->h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   772
        rect = &full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   773
    }
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   774
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   775
    if (texture->yuv) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   776
        return SDL_UpdateTextureYUV(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   777
    } else if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   778
        return SDL_UpdateTextureNative(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   779
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   780
        renderer = texture->renderer;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   781
        return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   782
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   783
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   784
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   785
static int
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   786
SDL_LockTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   787
                   void **pixels, int *pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   788
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   789
    return SDL_SW_LockYUVTexture(texture->yuv, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   790
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   791
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   792
static int
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   793
SDL_LockTextureNative(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   794
                      void **pixels, int *pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   795
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   796
    texture->locked_rect = *rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   797
    *pixels = (void *) ((Uint8 *) texture->pixels +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   798
                        rect->y * texture->pitch +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   799
                        rect->x * SDL_BYTESPERPIXEL(texture->format));
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   800
    *pitch = texture->pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   801
    return 0;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   802
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   803
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   804
int
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   805
SDL_LockTexture(SDL_Texture * texture, const SDL_Rect * rect,
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806
                void **pixels, int *pitch)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   807
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   808
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   809
    SDL_Rect full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   810
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   811
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   812
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   813
    if (texture->access != SDL_TEXTUREACCESS_STREAMING) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   814
        return SDL_SetError("SDL_LockTexture(): texture must be streaming");
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   815
    }
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   816
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   817
    if (!rect) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   818
        full_rect.x = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   819
        full_rect.y = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   820
        full_rect.w = texture->w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   821
        full_rect.h = texture->h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   822
        rect = &full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   823
    }
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   824
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   825
    if (texture->yuv) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   826
        return SDL_LockTextureYUV(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   827
    } else if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   828
        return SDL_LockTextureNative(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   829
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   830
        renderer = texture->renderer;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   831
        return renderer->LockTexture(renderer, texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   832
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   833
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   834
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   835
static void
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   836
SDL_UnlockTextureYUV(SDL_Texture * texture)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   837
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   838
    SDL_Texture *native = texture->native;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   839
    void *native_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   840
    int native_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   841
    SDL_Rect rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   842
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   843
    rect.x = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   844
    rect.y = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   845
    rect.w = texture->w;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   846
    rect.h = texture->h;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   847
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   848
    if (SDL_LockTexture(native, &rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   849
        return;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   850
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   851
    SDL_SW_CopyYUVToRGB(texture->yuv, &rect, native->format,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   852
                        rect.w, rect.h, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   853
    SDL_UnlockTexture(native);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   854
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   855
6044
35448a5ea044 Lots of fixes importing SDL source wholesale into a new iOS project
Sam Lantinga <slouken@libsdl.org>
parents: 5535
diff changeset
   856
static void
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   857
SDL_UnlockTextureNative(SDL_Texture * texture)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   858
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   859
    SDL_Texture *native = texture->native;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   860
    void *native_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   861
    int native_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   862
    const SDL_Rect *rect = &texture->locked_rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   863
    const void* pixels = (void *) ((Uint8 *) texture->pixels +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   864
                        rect->y * texture->pitch +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   865
                        rect->x * SDL_BYTESPERPIXEL(texture->format));
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   866
    int pitch = texture->pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   867
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   868
    if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   869
        return;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   870
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   871
    SDL_ConvertPixels(rect->w, rect->h,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   872
                      texture->format, pixels, pitch,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   873
                      native->format, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   874
    SDL_UnlockTexture(native);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   875
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   876
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   877
void
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   878
SDL_UnlockTexture(SDL_Texture * texture)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   879
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   880
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   881
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   882
    CHECK_TEXTURE_MAGIC(texture, );
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   883
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   884
    if (texture->access != SDL_TEXTUREACCESS_STREAMING) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   885
        return;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   886
    }
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   887
    if (texture->yuv) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   888
        SDL_UnlockTextureYUV(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   889
    } else if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   890
        SDL_UnlockTextureNative(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   891
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   892
        renderer = texture->renderer;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   893
        renderer->UnlockTexture(renderer, texture);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   894
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   895
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   896
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   897
SDL_bool
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   898
SDL_RenderTargetSupported(SDL_Renderer *renderer)
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   899
{
6247
b6212690f78d Renamed SetTargetTexture() to SetRenderTarget()
Sam Lantinga <slouken@libsdl.org>
parents: 6246
diff changeset
   900
    if (!renderer || !renderer->SetRenderTarget) {
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   901
        return SDL_FALSE;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   902
    }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   903
    return (renderer->info.flags & SDL_RENDERER_TARGETTEXTURE) != 0;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   904
}
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   905
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   906
int
6247
b6212690f78d Renamed SetTargetTexture() to SetRenderTarget()
Sam Lantinga <slouken@libsdl.org>
parents: 6246
diff changeset
   907
SDL_SetRenderTarget(SDL_Renderer *renderer, SDL_Texture *texture)
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   908
{
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   909
    if (!SDL_RenderTargetSupported(renderer)) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   910
        return SDL_Unsupported();
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   911
    }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   912
    if (texture == renderer->target) {
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   913
        /* Nothing to do! */
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   914
        return 0;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   915
    }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   916
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   917
    /* texture == NULL is valid and means reset the target to the window */
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   918
    if (texture) {
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   919
        CHECK_TEXTURE_MAGIC(texture, -1);
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   920
        if (renderer != texture->renderer) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   921
            return SDL_SetError("Texture was not created with this renderer");
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   922
        }
6337
3c91a153f398 Fixes #1523 by removing inconsistent use of texture->access
Gabriel Jacobo <gabomdq@gmail.com>
parents: 6320
diff changeset
   923
        if (texture->access != SDL_TEXTUREACCESS_TARGET) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   924
            return SDL_SetError("Texture not created with SDL_TEXTUREACCESS_TARGET");
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   925
        }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   926
        if (texture->native) {
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   927
            /* Always render to the native texture */
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   928
            texture = texture->native;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   929
        }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   930
    }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   931
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   932
    if (texture && !renderer->target) {
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   933
        /* Make a backup of the viewport */
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   934
        renderer->viewport_backup = renderer->viewport;
7141
e276777b4247 First pass on SDL render clip rect functionality
Sam Lantinga <slouken@libsdl.org>
parents: 7109
diff changeset
   935
        renderer->clip_rect_backup = renderer->clip_rect;
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   936
        renderer->scale_backup = renderer->scale;
6581
008057dcc079 The logical size set for a render target is temporary and shouldn't conflict with the logical size set for a window.
Sam Lantinga <slouken@libsdl.org>
parents: 6579
diff changeset
   937
        renderer->logical_w_backup = renderer->logical_w;
008057dcc079 The logical size set for a render target is temporary and shouldn't conflict with the logical size set for a window.
Sam Lantinga <slouken@libsdl.org>
parents: 6579
diff changeset
   938
        renderer->logical_h_backup = renderer->logical_h;
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   939
    }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   940
    renderer->target = texture;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   941
6247
b6212690f78d Renamed SetTargetTexture() to SetRenderTarget()
Sam Lantinga <slouken@libsdl.org>
parents: 6246
diff changeset
   942
    if (renderer->SetRenderTarget(renderer, texture) < 0) {
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   943
        return -1;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   944
    }
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   945
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   946
    if (texture) {
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   947
        renderer->viewport.x = 0;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   948
        renderer->viewport.y = 0;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   949
        renderer->viewport.w = texture->w;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   950
        renderer->viewport.h = texture->h;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   951
        renderer->scale.x = 1.0f;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   952
        renderer->scale.y = 1.0f;
6581
008057dcc079 The logical size set for a render target is temporary and shouldn't conflict with the logical size set for a window.
Sam Lantinga <slouken@libsdl.org>
parents: 6579
diff changeset
   953
        renderer->logical_w = 0;
008057dcc079 The logical size set for a render target is temporary and shouldn't conflict with the logical size set for a window.
Sam Lantinga <slouken@libsdl.org>
parents: 6579
diff changeset
   954
        renderer->logical_h = 0;
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   955
    } else {
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   956
        renderer->viewport = renderer->viewport_backup;
7141
e276777b4247 First pass on SDL render clip rect functionality
Sam Lantinga <slouken@libsdl.org>
parents: 7109
diff changeset
   957
        renderer->clip_rect = renderer->clip_rect_backup;
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   958
        renderer->scale = renderer->scale_backup;
6581
008057dcc079 The logical size set for a render target is temporary and shouldn't conflict with the logical size set for a window.
Sam Lantinga <slouken@libsdl.org>
parents: 6579
diff changeset
   959
        renderer->logical_w = renderer->logical_w_backup;
008057dcc079 The logical size set for a render target is temporary and shouldn't conflict with the logical size set for a window.
Sam Lantinga <slouken@libsdl.org>
parents: 6579
diff changeset
   960
        renderer->logical_h = renderer->logical_h_backup;
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   961
    }
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   962
    if (renderer->UpdateViewport(renderer) < 0) {
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   963
        return -1;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   964
    }
7141
e276777b4247 First pass on SDL render clip rect functionality
Sam Lantinga <slouken@libsdl.org>
parents: 7109
diff changeset
   965
    if (renderer->UpdateClipRect(renderer) < 0) {
e276777b4247 First pass on SDL render clip rect functionality
Sam Lantinga <slouken@libsdl.org>
parents: 7109
diff changeset
   966
        return -1;
e276777b4247 First pass on SDL render clip rect functionality
Sam Lantinga <slouken@libsdl.org>
parents: 7109
diff changeset
   967
    }
6246
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   968
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   969
    /* All set! */
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   970
    return 0;
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   971
}
c70ec935a4bb Reorganized the render target code, moving the viewport handling to the general code and adding software implementation.
Sam Lantinga <slouken@libsdl.org>
parents: 6237
diff changeset
   972
6578
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   973
SDL_Texture *
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   974
SDL_GetRenderTarget(SDL_Renderer *renderer)
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   975
{
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   976
    return renderer->target;
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   977
}
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   978
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   979
static int
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   980
UpdateLogicalSize(SDL_Renderer *renderer)
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   981
{
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   982
    int w, h;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   983
    float want_aspect;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   984
    float real_aspect;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   985
    float scale;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   986
    SDL_Rect viewport;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   987
6578
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   988
    if (renderer->target) {
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   989
        SDL_QueryTexture(renderer->target, NULL, NULL, &w, &h);
77d70ec131bc Added SDL_GetRenderTarget() API function
Sam Lantinga <slouken@libsdl.org>
parents: 6546
diff changeset
   990
    } else if (renderer->window) {
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   991
        SDL_GetWindowSize(renderer->window, &w, &h);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   992
    } else {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   993
        /* FIXME */
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   994
        return SDL_SetError("Internal error: No way to get output resolution");
6530
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   995
    }
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   996
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   997
    want_aspect = (float)renderer->logical_w / renderer->logical_h;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   998
    real_aspect = (float)w / h;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
   999
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1000
    /* Clear the scale because we're setting viewport in output coordinates */
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1001
    SDL_RenderSetScale(renderer, 1.0f, 1.0f);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1002
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1003
    if (SDL_fabs(want_aspect-real_aspect) < 0.0001) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1004
        /* The aspect ratios are the same, just scale appropriately */
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1005
        scale = (float)w / renderer->logical_w;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1006
        SDL_RenderSetViewport(renderer, NULL);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1007
    } else if (want_aspect > real_aspect) {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1008
        /* We want a wider aspect ratio than is available - letterbox it */
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1009
        scale = (float)w / renderer->logical_w;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1010
        viewport.x = 0;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1011
        viewport.w = w;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1012
        viewport.h = (int)SDL_ceil(renderer->logical_h * scale);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1013
        viewport.y = (h - viewport.h) / 2;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1014
        SDL_RenderSetViewport(renderer, &viewport);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1015
    } else {
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1016
        /* We want a narrower aspect ratio than is available - use side-bars */
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1017
        scale = (float)h / renderer->logical_h;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1018
        viewport.y = 0;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1019
        viewport.h = h;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1020
        viewport.w = (int)SDL_ceil(renderer->logical_w * scale);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1021
        viewport.x = (w - viewport.w) / 2;
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1022
        SDL_RenderSetViewport(renderer, &viewport);
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1023
    }
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1024
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1025
    /* Set the new scale */
ba5de88eab60 Added SDL_RenderSetLogicalSize() and SDL_RenderGetLogicalSize()
Sam Lantinga <slouken@libsdl.org>
parents: 6528
diff changeset
  1026
    SDL_RenderSetScale(renderer, scale, scale);