src/render/opengles/SDL_render_gles.c
author Sam Lantinga <slouken@libsdl.org>
Sat, 12 Feb 2011 19:02:14 -0800
changeset 5276 8e421890cdb8
parent 5262 b530ef003506
child 5297 1800dc39b74c
permissions -rw-r--r--
Fixed bug #1117 There's a new event that's always sent when the window changes size, and that event is what the renderers listen for to determine if they need to rebind their context.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     1
/*
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     2
    SDL - Simple DirectMedia Layer
5262
b530ef003506 Happy 2011! :)
Sam Lantinga <slouken@libsdl.org>
parents: 5249
diff changeset
     3
    Copyright (C) 1997-2011 Sam Lantinga
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     4
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     5
    This library is free software; you can redistribute it and/or
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     6
    modify it under the terms of the GNU Lesser General Public
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     7
    License as published by the Free Software Foundation; either
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     8
    version 2.1 of the License, or (at your option) any later version.
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
     9
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    10
    This library is distributed in the hope that it will be useful,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    13
    Lesser General Public License for more details.
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    14
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    15
    You should have received a copy of the GNU Lesser General Public
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    16
    License along with this library; if not, write to the Free Software
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    17
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    18
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    19
    Sam Lantinga
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    20
    slouken@libsdl.org
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    21
*/
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    22
#include "SDL_config.h"
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    23
5226
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
    24
#if SDL_VIDEO_RENDER_OGL_ES && !SDL_RENDER_DISABLED
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    25
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    26
#include "SDL_opengles.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: 5150
diff changeset
    27
#include "../SDL_sysrender.h"
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    28
5150
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
Sam Lantinga <slouken@libsdl.org>
parents: 5149
diff changeset
    29
#if defined(SDL_VIDEO_DRIVER_PANDORA)
3165
7168651d5706 QNX quirk has been added, QNX OpenGL ES implementation is broken regarding support of textures with packed pixel formats.
Mike Gorchak <lestat@i.com.ua>
parents: 3163
diff changeset
    30
7168651d5706 QNX quirk has been added, QNX OpenGL ES implementation is broken regarding support of textures with packed pixel formats.
Mike Gorchak <lestat@i.com.ua>
parents: 3163
diff changeset
    31
/* Empty function stub to get OpenGL ES 1.x support without  */
7168651d5706 QNX quirk has been added, QNX OpenGL ES implementation is broken regarding support of textures with packed pixel formats.
Mike Gorchak <lestat@i.com.ua>
parents: 3163
diff changeset
    32
/* OpenGL ES extension GL_OES_draw_texture supported         */
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
    33
GL_API void GL_APIENTRY
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
    34
glDrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height)
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2964
diff changeset
    35
{
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
    36
    return;
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2964
diff changeset
    37
}
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2964
diff changeset
    38
5150
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
Sam Lantinga <slouken@libsdl.org>
parents: 5149
diff changeset
    39
#endif /* PANDORA */
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
    40
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    41
/* OpenGL ES 1.1 renderer implementation, based on the OpenGL renderer */
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    42
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    43
static const float inv255f = 1.0f / 255.0f;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    44
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    45
static SDL_Renderer *GLES_CreateRenderer(SDL_Window * window, Uint32 flags);
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
    46
static void GLES_WindowEvent(SDL_Renderer * renderer,
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
    47
                             const SDL_WindowEvent *event);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    48
static int GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    49
static int GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    50
                              const SDL_Rect * rect, const void *pixels,
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    51
                              int pitch);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    52
static int GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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
    53
                            const SDL_Rect * rect, void **pixels, int *pitch);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    54
static void GLES_UnlockTexture(SDL_Renderer * renderer,
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    55
                               SDL_Texture * texture);
5224
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
    56
static void GLES_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect);
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
    57
static int GLES_RenderDrawPoints(SDL_Renderer * renderer,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
    58
                                 const SDL_Point * points, int count);
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
    59
static int GLES_RenderDrawLines(SDL_Renderer * renderer,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
    60
                                const SDL_Point * points, int count);
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
    61
static int GLES_RenderFillRects(SDL_Renderer * renderer,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
    62
                                const SDL_Rect ** rects, int count);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    63
static int GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    64
                           const SDL_Rect * srcrect,
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    65
                           const SDL_Rect * dstrect);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    66
static void GLES_RenderPresent(SDL_Renderer * renderer);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    67
static void GLES_DestroyTexture(SDL_Renderer * renderer,
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    68
                                SDL_Texture * texture);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    69
static void GLES_DestroyRenderer(SDL_Renderer * renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    70
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    71
5201
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
Sam Lantinga <slouken@libsdl.org>
parents: 5195
diff changeset
    72
SDL_RenderDriver GLES_RenderDriver = {
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    73
    GLES_CreateRenderer,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    74
    {
5203
25ffd4e5255c Minor consistency cleanup and documentation link update.
Sam Lantinga <slouken@libsdl.org>
parents: 5201
diff changeset
    75
     "opengles",
25ffd4e5255c Minor consistency cleanup and documentation link update.
Sam Lantinga <slouken@libsdl.org>
parents: 5201
diff changeset
    76
     (SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC),
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
    77
     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
    78
     {SDL_PIXELFORMAT_ABGR8888},
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    79
     0,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    80
     0}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    81
};
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    82
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    83
typedef struct
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    84
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    85
    SDL_GLContext context;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    86
    SDL_bool updateSize;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    87
    int blendMode;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    88
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    89
    SDL_bool useDrawTexture;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
    90
    SDL_bool GL_OES_draw_texture_supported;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    91
} GLES_RenderData;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    92
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    93
typedef struct
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    94
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    95
    GLuint texture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    96
    GLenum type;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    97
    GLfloat texw;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    98
    GLfloat texh;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
    99
    GLenum format;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   100
    GLenum formattype;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   101
    void *pixels;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   102
    int pitch;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   103
} GLES_TextureData;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   104
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   105
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   106
GLES_SetError(const char *prefix, GLenum result)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   107
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   108
    const char *error;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   109
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   110
    switch (result) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   111
    case GL_NO_ERROR:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   112
        error = "GL_NO_ERROR";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   113
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   114
    case GL_INVALID_ENUM:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   115
        error = "GL_INVALID_ENUM";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   116
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   117
    case GL_INVALID_VALUE:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   118
        error = "GL_INVALID_VALUE";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   119
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   120
    case GL_INVALID_OPERATION:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   121
        error = "GL_INVALID_OPERATION";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   122
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   123
    case GL_STACK_OVERFLOW:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   124
        error = "GL_STACK_OVERFLOW";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   125
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   126
    case GL_STACK_UNDERFLOW:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   127
        error = "GL_STACK_UNDERFLOW";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   128
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   129
    case GL_OUT_OF_MEMORY:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   130
        error = "GL_OUT_OF_MEMORY";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   131
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   132
    default:
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   133
        error = "UNKNOWN";
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   134
        break;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   135
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   136
    SDL_SetError("%s: %s", prefix, error);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   137
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   138
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   139
SDL_Renderer *
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   140
GLES_CreateRenderer(SDL_Window * window, Uint32 flags)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   141
{
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   142
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   143
    SDL_Renderer *renderer;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   144
    GLES_RenderData *data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   145
    GLint value;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   146
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   147
    renderer = (SDL_Renderer *) SDL_calloc(1, sizeof(*renderer));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   148
    if (!renderer) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   149
        SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   150
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   151
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   152
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   153
    data = (GLES_RenderData *) SDL_calloc(1, sizeof(*data));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   154
    if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   155
        GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   156
        SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   157
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   158
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   159
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   160
    renderer->WindowEvent = GLES_WindowEvent;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   161
    renderer->CreateTexture = GLES_CreateTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   162
    renderer->UpdateTexture = GLES_UpdateTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   163
    renderer->LockTexture = GLES_LockTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   164
    renderer->UnlockTexture = GLES_UnlockTexture;
5224
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   165
    renderer->SetClipRect = GLES_SetClipRect;
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   166
    renderer->RenderDrawPoints = GLES_RenderDrawPoints;
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   167
    renderer->RenderDrawLines = GLES_RenderDrawLines;
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   168
    renderer->RenderFillRects = GLES_RenderFillRects;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   169
    renderer->RenderCopy = GLES_RenderCopy;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   170
    renderer->RenderPresent = GLES_RenderPresent;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   171
    renderer->DestroyTexture = GLES_DestroyTexture;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   172
    renderer->DestroyRenderer = GLES_DestroyRenderer;
5201
523409574510 Added an OpenGL ES 2.0 renderer, contributed by itsnotabigtruck
Sam Lantinga <slouken@libsdl.org>
parents: 5195
diff changeset
   173
    renderer->info = GLES_RenderDriver.info;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   174
    renderer->driverdata = data;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   175
5142
c8e049de174c Making the API simpler, the renderer present semantics are always having a backbuffer and then discarding it. This is best for hardware accelerated rendering.
Sam Lantinga <slouken@libsdl.org>
parents: 5141
diff changeset
   176
    renderer->info.flags = SDL_RENDERER_ACCELERATED;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   177
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: 5204
diff changeset
   178
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
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: 5204
diff changeset
   179
    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
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: 5204
diff changeset
   180
3688
6512cba48440 Fixed Cocoa and OpenGL builds
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
   181
    data->context = SDL_GL_CreateContext(window);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   182
    if (!data->context) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   183
        GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   184
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   185
    }
3688
6512cba48440 Fixed Cocoa and OpenGL builds
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
   186
    if (SDL_GL_MakeCurrent(window, data->context) < 0) {
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   187
        GLES_DestroyRenderer(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   188
        return NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   189
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   190
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   191
    if (flags & SDL_RENDERER_PRESENTVSYNC) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   192
        SDL_GL_SetSwapInterval(1);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   193
    } else {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   194
        SDL_GL_SetSwapInterval(0);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   195
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   196
    if (SDL_GL_GetSwapInterval() > 0) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   197
        renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   198
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   199
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
   200
#if SDL_VIDEO_DRIVER_PANDORA
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
   201
    data->GL_OES_draw_texture_supported = SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
   202
    data->useDrawTexture = SDL_FALSE;
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
   203
#else
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   204
    if (SDL_GL_ExtensionSupported("GL_OES_draw_texture")) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   205
        data->GL_OES_draw_texture_supported = SDL_TRUE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   206
        data->useDrawTexture = SDL_TRUE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   207
    } else {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   208
        data->GL_OES_draw_texture_supported = SDL_FALSE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   209
        data->useDrawTexture = SDL_FALSE;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   210
    }
3161
494559cc723b OpenPandora support added by David Carré
Sam Lantinga <slouken@libsdl.org>
parents: 3139
diff changeset
   211
#endif
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   212
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   213
    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   214
    renderer->info.max_texture_width = value;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   215
    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   216
    renderer->info.max_texture_height = value;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   217
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   218
    /* Set up parameters for rendering */
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   219
    data->blendMode = -1;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   220
    glDisable(GL_DEPTH_TEST);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   221
    glDisable(GL_CULL_FACE);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   222
    data->updateSize = SDL_TRUE;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   223
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   224
    glEnableClientState(GL_VERTEX_ARRAY);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   225
    glEnableClientState(GL_TEXTURE_COORD_ARRAY);
5053
b5b42be9333c Fixed bug #1026
Sam Lantinga <slouken@libsdl.org>
parents: 5052
diff changeset
   226
    
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   227
    return renderer;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   228
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   229
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   230
static SDL_GLContext SDL_CurrentContext = NULL;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   231
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   232
static int
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   233
GLES_ActivateRenderer(SDL_Renderer * renderer)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   234
{
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   235
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3641
diff changeset
   236
    SDL_Window *window = renderer->window;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   237
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   238
    if (SDL_CurrentContext != data->context) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   239
        if (SDL_GL_MakeCurrent(window, data->context) < 0) {
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   240
            return -1;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   241
        }
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   242
        SDL_CurrentContext = data->context;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   243
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   244
    if (data->updateSize) {
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: 5150
diff changeset
   245
        int w, 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: 5150
diff changeset
   246
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   247
        SDL_GetWindowSize(window, &w, &h);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   248
        glMatrixMode(GL_PROJECTION);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   249
        glLoadIdentity();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   250
        glMatrixMode(GL_MODELVIEW);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   251
        glLoadIdentity();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   252
        glViewport(0, 0, w, h);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   253
        glOrthof(0.0, (GLfloat) w, (GLfloat) h, 0.0, 0.0, 1.0);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   254
        data->updateSize = SDL_FALSE;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   255
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   256
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   257
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   258
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   259
static void
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   260
GLES_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   261
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   262
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   263
5276
8e421890cdb8 Fixed bug #1117
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   264
    if (event->event == SDL_WINDOWEVENT_SIZE_CHANGED) {
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   265
        /* Rebind the context to the window area and update matrices */
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   266
        SDL_CurrentContext = NULL;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   267
        data->updateSize = SDL_TRUE;
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   268
    }
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   269
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   270
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   271
static __inline__ int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   272
power_of_2(int input)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   273
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   274
    int value = 1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   275
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   276
    while (value < input) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   277
        value <<= 1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   278
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   279
    return value;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   280
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   281
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   282
static int
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   283
GLES_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   284
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   285
    GLES_TextureData *data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   286
    GLint internalFormat;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   287
    GLenum format, type;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   288
    int texture_w, texture_h;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   289
    GLenum result;
3099
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2964
diff changeset
   290
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   291
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   292
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   293
    switch (texture->format) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   294
    case SDL_PIXELFORMAT_ABGR8888:
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   295
        internalFormat = GL_RGBA;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   296
        format = GL_RGBA;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   297
        type = GL_UNSIGNED_BYTE;
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   298
        break;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   299
    default:
5203
25ffd4e5255c Minor consistency cleanup and documentation link update.
Sam Lantinga <slouken@libsdl.org>
parents: 5201
diff changeset
   300
        SDL_SetError("Texture format not supported");
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   301
        return -1;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   302
    }
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   303
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   304
    data = (GLES_TextureData *) SDL_calloc(1, sizeof(*data));
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   305
    if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   306
        SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   307
        return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   308
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   309
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   310
    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   311
        data->pitch = texture->w * SDL_BYTESPERPIXEL(texture->format);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   312
        data->pixels = SDL_malloc(texture->h * data->pitch);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   313
        if (!data->pixels) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   314
            SDL_OutOfMemory();
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   315
            SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   316
            return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   317
        }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   318
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   319
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   320
    texture->driverdata = data;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   321
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   322
    glGetError();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   323
    glEnable(GL_TEXTURE_2D);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   324
    glGenTextures(1, &data->texture);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   325
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   326
    data->type = GL_TEXTURE_2D;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   327
    /* no NPOV textures allowed in OpenGL ES (yet) */
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   328
    texture_w = power_of_2(texture->w);
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   329
    texture_h = power_of_2(texture->h);
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   330
    data->texw = (GLfloat) texture->w / texture_w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   331
    data->texh = (GLfloat) texture->h / texture_h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   332
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   333
    data->format = format;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   334
    data->formattype = type;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   335
    glBindTexture(data->type, data->texture);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   336
    glTexParameteri(data->type, GL_TEXTURE_MIN_FILTER,
5138
da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5053
diff changeset
   337
                                GL_LINEAR);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   338
    glTexParameteri(data->type, GL_TEXTURE_MAG_FILTER,
5138
da10636e5eca Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5053
diff changeset
   339
                                GL_LINEAR);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   340
    glTexParameteri(data->type, GL_TEXTURE_WRAP_S,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   341
                                GL_CLAMP_TO_EDGE);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   342
    glTexParameteri(data->type, GL_TEXTURE_WRAP_T,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   343
                                GL_CLAMP_TO_EDGE);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   344
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   345
    glTexImage2D(data->type, 0, internalFormat, texture_w,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   346
                             texture_h, 0, format, type, NULL);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   347
    glDisable(GL_TEXTURE_2D);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   348
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   349
    result = glGetError();
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   350
    if (result != GL_NO_ERROR) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   351
        GLES_SetError("glTexImage2D()", result);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   352
        return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   353
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   354
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   355
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   356
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   357
static int
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   358
GLES_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   359
                   const SDL_Rect * rect, const void *pixels, int pitch)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   360
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   361
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
5227
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   362
    Uint8 *blob = NULL;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   363
    Uint8 *src;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   364
    int srcPitch;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   365
    int y;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   366
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   367
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   368
5227
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   369
    /* Bail out if we're supposed to update an empty rectangle */
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   370
    if (rect->w <= 0 || rect->h <= 0)
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   371
        return 0;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   372
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   373
    /* Reformat the texture data into a tightly packed array */
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   374
    srcPitch = rect->w * SDL_BYTESPERPIXEL(texture->format);
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   375
    src = (Uint8 *)pixels;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   376
    if (pitch != srcPitch)
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   377
    {
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   378
        blob = (Uint8 *)SDL_malloc(srcPitch * rect->h);
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   379
        if (!blob)
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   380
        {
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   381
            SDL_OutOfMemory();
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   382
            return -1;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   383
        }
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   384
        src = blob;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   385
        for (y = 0; y < rect->h; ++y)
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   386
        {
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   387
            SDL_memcpy(src, pixels, srcPitch);
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   388
            src += srcPitch;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   389
            pixels = (Uint8 *)pixels + pitch;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   390
        }
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   391
        src = blob;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   392
    }
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   393
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   394
    /* Create a texture subimage with the supplied data */
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   395
    glGetError();
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   396
    glEnable(data->type);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   397
    glBindTexture(data->type, data->texture);
5227
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   398
    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   399
    glTexSubImage2D(data->type,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   400
                    0,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   401
                    rect->x,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   402
                    rect->y,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   403
                    rect->w,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   404
                    rect->h,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   405
                    data->format,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   406
                    data->formattype,
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   407
                    src);
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   408
    if (blob) {
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   409
        SDL_free(blob);
5052
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   410
    }
4cb4b18cbae3 Fixed bug #1028
Sam Lantinga <slouken@libsdl.org>
parents: 4990
diff changeset
   411
5227
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   412
    if (glGetError() != GL_NO_ERROR)
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   413
    {
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   414
        SDL_SetError("Failed to update texture");
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   415
        return -1;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   416
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   417
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   418
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   419
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   420
static int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   421
GLES_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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
   422
                 const SDL_Rect * rect, void **pixels, int *pitch)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   423
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   424
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   425
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   426
    *pixels =
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   427
        (void *) ((Uint8 *) data->pixels + rect->y * data->pitch +
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   428
                  rect->x * SDL_BYTESPERPIXEL(texture->format));
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   429
    *pitch = data->pitch;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   430
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   431
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   432
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   433
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   434
GLES_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   435
{
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
   436
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
5227
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   437
    SDL_Rect rect;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   438
5227
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   439
    /* We do whole texture updates, at least for now */
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   440
    rect.x = 0;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   441
    rect.y = 0;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   442
    rect.w = texture->w;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   443
    rect.h = texture->h;
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   444
    GLES_UpdateTexture(renderer, texture, &rect, data->pixels, data->pitch);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   445
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   446
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   447
static void
5224
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   448
GLES_SetClipRect(SDL_Renderer * renderer, const SDL_Rect * rect)
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   449
{
5227
9c0c4d767ef6 Reduce duplicated code in the texture update code paths
Sam Lantinga <slouken@libsdl.org>
parents: 5226
diff changeset
   450
    GLES_ActivateRenderer(renderer);
5224
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   451
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   452
    if (rect) {
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   453
        int w, h;
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   454
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   455
        SDL_GetWindowSize(renderer->window, &w, &h);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   456
        glScissor(rect->x, (h-(rect->y+rect->h)), rect->w, rect->h);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   457
        glEnable(GL_SCISSOR_TEST);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   458
    } else {
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   459
        glDisable(GL_SCISSOR_TEST);
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   460
    }
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   461
}
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   462
2178ffe17222 Added function SDL_RenderSetClipRect()
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   463
static void
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   464
GLES_SetBlendMode(GLES_RenderData * data, int blendMode)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   465
{
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   466
    if (blendMode != data->blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   467
        switch (blendMode) {
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   468
        case SDL_BLENDMODE_NONE:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   469
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   470
            glDisable(GL_BLEND);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   471
            break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   472
        case SDL_BLENDMODE_BLEND:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   473
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   474
            glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   475
            glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   476
            break;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   477
        case SDL_BLENDMODE_ADD:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   478
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   479
            glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   480
            glBlendFunc(GL_SRC_ALPHA, GL_ONE);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   481
            break;
5184
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME
Sam Lantinga <slouken@libsdl.org>
parents: 5166
diff changeset
   482
        case SDL_BLENDMODE_MOD:
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   483
            glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   484
            glEnable(GL_BLEND);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   485
            glBlendFunc(GL_ZERO, GL_SRC_COLOR);
5184
d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME
Sam Lantinga <slouken@libsdl.org>
parents: 5166
diff changeset
   486
            break;
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   487
        }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   488
        data->blendMode = blendMode;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   489
    }
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   490
}
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   491
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   492
static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   493
GLES_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   494
                      int count)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   495
{
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   496
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   497
    int i;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   498
    GLshort *vertices;
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   499
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   500
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   501
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   502
    GLES_SetBlendMode(data, renderer->blendMode);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   503
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   504
    glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   505
                    (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   506
                    (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   507
                    (GLfloat) renderer->a * inv255f);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   508
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   509
    vertices = SDL_stack_alloc(GLshort, count*2);
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   510
    for (i = 0; i < count; ++i) {
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   511
        vertices[2*i+0] = (GLshort)points[i].x;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   512
        vertices[2*i+1] = (GLshort)points[i].y;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   513
    }
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   514
    glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   515
    glDrawArrays(GL_POINTS, 0, count);
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   516
    SDL_stack_free(vertices);
2964
Sam Lantinga <slouken@libsdl.org>
parents: 2949
diff changeset
   517
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   518
    return 0;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   519
}
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   520
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   521
static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   522
GLES_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   523
                     int count)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   524
{
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   525
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   526
    int i;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   527
    GLshort *vertices;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   528
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   529
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   530
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   531
    GLES_SetBlendMode(data, renderer->blendMode);
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   532
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   533
    glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   534
                    (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   535
                    (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   536
                    (GLfloat) renderer->a * inv255f);
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   537
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   538
    vertices = SDL_stack_alloc(GLshort, count*2);
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   539
    for (i = 0; i < count; ++i) {
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   540
        vertices[2*i+0] = (GLshort)points[i].x;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   541
        vertices[2*i+1] = (GLshort)points[i].y;
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   542
    }
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   543
    glVertexPointer(2, GL_SHORT, 0, vertices);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   544
    if (count > 2 && 
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   545
        points[0].x == points[count-1].x && points[0].y == points[count-1].y) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   546
        /* GL_LINE_LOOP takes care of the final segment */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   547
        --count;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   548
        glDrawArrays(GL_LINE_LOOP, 0, count);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   549
    } else {
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   550
        glDrawArrays(GL_LINE_STRIP, 0, count);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   551
    }
3547
8b18669c2663 Fixed building on iPhone
Sam Lantinga <slouken@libsdl.org>
parents: 3536
diff changeset
   552
    SDL_stack_free(vertices);
2949
4eabc35fbb4a Modified OpenGL ES render driver to support new SDL_RenderFill, SDL_RenderLine, and SDL_RenderPoint.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2937
diff changeset
   553
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   554
    return 0;
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   555
}
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   556
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   557
static int
3641
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   558
GLES_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects,
1e2e19d51265 Fixed iPhone build
Sam Lantinga <slouken@libsdl.org>
parents: 3547
diff changeset
   559
                     int count)
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   560
{
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   561
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   562
    int i;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   563
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   564
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   565
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   566
    GLES_SetBlendMode(data, renderer->blendMode);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   567
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   568
    glColor4f((GLfloat) renderer->r * inv255f,
2936
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   569
                    (GLfloat) renderer->g * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   570
                    (GLfloat) renderer->b * inv255f,
066384910f50 iPhone build compiles again (drawing routines need to be implemented)
Sam Lantinga <slouken@libsdl.org>
parents: 2884
diff changeset
   571
                    (GLfloat) renderer->a * inv255f);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   572
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   573
    for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   574
        const SDL_Rect *rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   575
        GLshort minx = rect->x;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   576
        GLshort maxx = rect->x + rect->w;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   577
        GLshort miny = rect->y;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   578
        GLshort maxy = rect->y + rect->h;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   579
        GLshort vertices[8];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   580
        vertices[0] = minx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   581
        vertices[1] = miny;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   582
        vertices[2] = maxx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   583
        vertices[3] = miny;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   584
        vertices[4] = minx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   585
        vertices[5] = maxy;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   586
        vertices[6] = maxx;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   587
        vertices[7] = maxy;
2964
Sam Lantinga <slouken@libsdl.org>
parents: 2949
diff changeset
   588
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   589
        glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   590
        glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3520
diff changeset
   591
    }
2949
4eabc35fbb4a Modified OpenGL ES render driver to support new SDL_RenderFill, SDL_RenderLine, and SDL_RenderPoint.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2937
diff changeset
   592
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   593
    return 0;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   594
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   595
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   596
static int
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   597
GLES_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   598
                const SDL_Rect * srcrect, const SDL_Rect * dstrect)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   599
{
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   600
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   601
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   602
    GLES_TextureData *texturedata = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   603
    int minx, miny, maxx, maxy;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   604
    GLfloat minu, maxu, minv, maxv;
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   605
    int i;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   606
    void *temp_buffer;          /* used for reformatting dirty rect pixels */
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   607
    void *temp_ptr;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   608
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   609
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   610
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   611
    glEnable(GL_TEXTURE_2D);
3122
6c98826d88b0 OpenGL ES renderer state fixes. Now GL_TEXTURE_2D is not enabled by default.
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
   612
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   613
    glBindTexture(texturedata->type, texturedata->texture);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   614
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   615
    if (texture->modMode) {
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   616
        glColor4f((GLfloat) texture->r * inv255f,
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   617
                        (GLfloat) texture->g * inv255f,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   618
                        (GLfloat) texture->b * inv255f,
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   619
                        (GLfloat) texture->a * inv255f);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   620
    } else {
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   621
        glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   622
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   623
5140
e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
Sam Lantinga <slouken@libsdl.org>
parents: 5138
diff changeset
   624
    GLES_SetBlendMode(data, texture->blendMode);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   625
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   626
    if (data->GL_OES_draw_texture_supported && data->useDrawTexture) {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   627
        /* this code is a little funny because the viewport is upside down vs SDL's coordinate system */
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: 5150
diff changeset
   628
        GLint cropRect[4];
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   629
        int w, h;
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3641
diff changeset
   630
        SDL_Window *window = renderer->window;
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: 5150
diff changeset
   631
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents: 5150
diff changeset
   632
        SDL_GetWindowSize(window, &w, &h);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   633
        cropRect[0] = srcrect->x;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   634
        cropRect[1] = srcrect->y + srcrect->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   635
        cropRect[2] = srcrect->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   636
        cropRect[3] = -srcrect->h;
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   637
        glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES,
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   638
                               cropRect);
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   639
        glDrawTexiOES(dstrect->x, h - dstrect->y - dstrect->h, 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: 5150
diff changeset
   640
                            dstrect->w, dstrect->h);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   641
    } else {
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   642
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   643
        minx = dstrect->x;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   644
        miny = dstrect->y;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   645
        maxx = dstrect->x + dstrect->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   646
        maxy = dstrect->y + dstrect->h;
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   647
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   648
        minu = (GLfloat) srcrect->x / texture->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   649
        minu *= texturedata->texw;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   650
        maxu = (GLfloat) (srcrect->x + srcrect->w) / texture->w;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   651
        maxu *= texturedata->texw;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   652
        minv = (GLfloat) srcrect->y / texture->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   653
        minv *= texturedata->texh;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   654
        maxv = (GLfloat) (srcrect->y + srcrect->h) / texture->h;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   655
        maxv *= texturedata->texh;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   656
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   657
        GLshort vertices[8];
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   658
        GLfloat texCoords[8];
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   659
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   660
        vertices[0] = minx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   661
        vertices[1] = miny;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   662
        vertices[2] = maxx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   663
        vertices[3] = miny;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   664
        vertices[4] = minx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   665
        vertices[5] = maxy;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   666
        vertices[6] = maxx;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   667
        vertices[7] = maxy;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   668
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   669
        texCoords[0] = minu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   670
        texCoords[1] = minv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   671
        texCoords[2] = maxu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   672
        texCoords[3] = minv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   673
        texCoords[4] = minu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   674
        texCoords[5] = maxv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   675
        texCoords[6] = maxu;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   676
        texCoords[7] = maxv;
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   677
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   678
        glVertexPointer(2, GL_SHORT, 0, vertices);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   679
        glTexCoordPointer(2, GL_FLOAT, 0, texCoords);
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   680
        glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
3122
6c98826d88b0 OpenGL ES renderer state fixes. Now GL_TEXTURE_2D is not enabled by default.
Mike Gorchak <lestat@i.com.ua>
parents: 3099
diff changeset
   681
    }
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   682
5204
daa5463466c5 Fixed building on Android, added SDL_opengles2.h, removed unnecessary SDL_glesfuncs.h
Sam Lantinga <slouken@libsdl.org>
parents: 5203
diff changeset
   683
    glDisable(GL_TEXTURE_2D);
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   684
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   685
    return 0;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   686
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   687
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   688
static void
3139
Sam Lantinga <slouken@libsdl.org>
parents: 3122
diff changeset
   689
GLES_RenderPresent(SDL_Renderer * renderer)
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   690
{
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   691
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   692
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   693
    SDL_GL_SwapWindow(renderer->window);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   694
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   695
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   696
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   697
GLES_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   698
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   699
    GLES_TextureData *data = (GLES_TextureData *) texture->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   700
5147
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   701
    GLES_ActivateRenderer(renderer);
ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
Sam Lantinga <slouken@libsdl.org>
parents: 5142
diff changeset
   702
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   703
    if (!data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   704
        return;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   705
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   706
    if (data->texture) {
2753
Sam Lantinga <slouken@libsdl.org>
parents: 2739
diff changeset
   707
        glDeleteTextures(1, &data->texture);
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   708
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   709
    if (data->pixels) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   710
        SDL_free(data->pixels);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   711
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   712
    SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   713
    texture->driverdata = NULL;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   714
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   715
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   716
static void
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   717
GLES_DestroyRenderer(SDL_Renderer * renderer)
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   718
{
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   719
    GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   720
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   721
    if (data) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   722
        if (data->context) {
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   723
            SDL_GL_DeleteContext(data->context);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   724
        }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   725
        SDL_free(data);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   726
    }
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   727
    SDL_free(renderer);
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   728
}
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   729
5226
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   730
#endif /* SDL_VIDEO_RENDER_OGL_ES && !SDL_RENDER_DISABLED */
2739
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   731
68862734a5fd These files are similar in purpose and structure as SDL_renderer_gl.c and SDL_renderer_gl.h, except they use OpenGL ES 1.1 for rendering.
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents:
diff changeset
   732
/* vi: set ts=4 sw=4 expandtab: */