src/render/SDL_render.c
author Ryan C. Gordon <icculus@icculus.org>
Fri, 01 May 2015 01:12:48 -0400
changeset 9580 d37ef6990bf9
parent 9084 a8cbb653aea4
child 9619 b94b6d0bff0f
permissions -rw-r--r--
checkkeys: Readded the KEYUP event test.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../SDL_internal.h"
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/* The SDL 2D rendering system */
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#include "SDL_assert.h"
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#include "SDL_hints.h"
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#include "SDL_log.h"
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#include "SDL_render.h"
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#include "SDL_sysrender.h"
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#include "software/SDL_render_sw_c.h"
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#define SDL_WINDOWRENDERDATA    "_SDL_WindowRenderData"
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#define CHECK_RENDERER_MAGIC(renderer, retval) \
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    if (!renderer || renderer->magic != &renderer_magic) { \
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        SDL_SetError("Invalid renderer"); \
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        return retval; \
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    }
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#define CHECK_TEXTURE_MAGIC(texture, retval) \
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    if (!texture || texture->magic != &texture_magic) { \
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        SDL_SetError("Invalid texture"); \
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        return retval; \
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    }
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#if !SDL_RENDER_DISABLED
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static const SDL_RenderDriver *render_drivers[] = {
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#if SDL_VIDEO_RENDER_D3D
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    &D3D_RenderDriver,
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#endif
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#if SDL_VIDEO_RENDER_D3D11
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    &D3D11_RenderDriver,
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#endif
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#if SDL_VIDEO_RENDER_OGL
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    &GL_RenderDriver,
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#endif
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#if SDL_VIDEO_RENDER_OGL_ES2
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    &GLES2_RenderDriver,
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#endif
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#if SDL_VIDEO_RENDER_OGL_ES
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    &GLES_RenderDriver,
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#endif
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#if SDL_VIDEO_RENDER_DIRECTFB
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    &DirectFB_RenderDriver,
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#endif
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#if SDL_VIDEO_RENDER_PSP
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    &PSP_RenderDriver,
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#endif
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    &SW_RenderDriver
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};
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#endif /* !SDL_RENDER_DISABLED */
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static char renderer_magic;
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static char texture_magic;
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static int UpdateLogicalSize(SDL_Renderer *renderer);
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int
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SDL_GetNumRenderDrivers(void)
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{
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#if !SDL_RENDER_DISABLED
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    return SDL_arraysize(render_drivers);
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#else
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    return 0;
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#endif
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}
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int
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SDL_GetRenderDriverInfo(int index, SDL_RendererInfo * info)
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{
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#if !SDL_RENDER_DISABLED
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    if (index < 0 || index >= SDL_GetNumRenderDrivers()) {
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        return SDL_SetError("index must be in the range of 0 - %d",
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                            SDL_GetNumRenderDrivers() - 1);
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    }
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    *info = render_drivers[index]->info;
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    return 0;
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#else
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    return SDL_SetError("SDL not built with rendering support");
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#endif
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}
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static int
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SDL_RendererEventWatch(void *userdata, SDL_Event *event)
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{
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    SDL_Renderer *renderer = (SDL_Renderer *)userdata;
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   109
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    if (event->type == SDL_WINDOWEVENT) {
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        SDL_Window *window = SDL_GetWindowFromID(event->window.windowID);
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        if (window == renderer->window) {
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            if (renderer->WindowEvent) {
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                renderer->WindowEvent(renderer, &event->window);
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   115
            }
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   116
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            if (event->window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
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                /* Make sure we're operating on the default render target */
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                SDL_Texture *saved_target = SDL_GetRenderTarget(renderer);
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                if (saved_target) {
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                    SDL_SetRenderTarget(renderer, NULL);
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   122
                }
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   123
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                if (renderer->logical_w) {
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                    UpdateLogicalSize(renderer);
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   126
                } else {
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                    /* Window was resized, reset viewport */
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                    int w, h;
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   129
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                    if (renderer->GetOutputSize) {
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                        renderer->GetOutputSize(renderer, &w, &h);
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                    } else {
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                        SDL_GetWindowSize(renderer->window, &w, &h);
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                    }
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   135
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                    if (renderer->target) {
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                        renderer->viewport_backup.x = 0;
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   138
                        renderer->viewport_backup.y = 0;
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   139
                        renderer->viewport_backup.w = w;
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   140
                        renderer->viewport_backup.h = h;
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   141
                    } else {
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                        renderer->viewport.x = 0;
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                        renderer->viewport.y = 0;
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                        renderer->viewport.w = w;
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                        renderer->viewport.h = h;
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                        renderer->UpdateViewport(renderer);
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   147
                    }
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                }
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                if (saved_target) {
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                    SDL_SetRenderTarget(renderer, saved_target);
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   152
                }
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            } else if (event->window.event == SDL_WINDOWEVENT_HIDDEN) {
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                renderer->hidden = SDL_TRUE;
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            } else if (event->window.event == SDL_WINDOWEVENT_SHOWN) {
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                if (!(SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)) {
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                    renderer->hidden = SDL_FALSE;
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   158
                }
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            } else if (event->window.event == SDL_WINDOWEVENT_MINIMIZED) {
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                renderer->hidden = SDL_TRUE;
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            } else if (event->window.event == SDL_WINDOWEVENT_RESTORED) {
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                if (!(SDL_GetWindowFlags(window) & SDL_WINDOW_HIDDEN)) {
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                    renderer->hidden = SDL_FALSE;
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   164
                }
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   165
            }
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        }
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    } else if (event->type == SDL_MOUSEMOTION) {
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        if (renderer->logical_w) {
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            event->motion.x -= renderer->viewport.x;
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            event->motion.y -= renderer->viewport.y;
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            event->motion.x = (int)(event->motion.x / renderer->scale.x);
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            event->motion.y = (int)(event->motion.y / renderer->scale.y);
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            if (event->motion.xrel > 0) {
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                event->motion.xrel = SDL_max(1, (int)(event->motion.xrel / renderer->scale.x));
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   175
            } else if (event->motion.xrel < 0) {
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                event->motion.xrel = SDL_min(-1, (int)(event->motion.xrel / renderer->scale.x));
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   177
            }
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            if (event->motion.yrel > 0) {
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                event->motion.yrel = SDL_max(1, (int)(event->motion.yrel / renderer->scale.y));
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   180
            } else if (event->motion.yrel < 0) {
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                event->motion.yrel = SDL_min(-1, (int)(event->motion.yrel / renderer->scale.y));
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   182
            }
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   183
        }
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   184
    } else if (event->type == SDL_MOUSEBUTTONDOWN ||
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   185
               event->type == SDL_MOUSEBUTTONUP) {
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   186
        if (renderer->logical_w) {
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   187
            event->button.x -= renderer->viewport.x;
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   188
            event->button.y -= renderer->viewport.y;
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   189
            event->button.x = (int)(event->button.x / renderer->scale.x);
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   190
            event->button.y = (int)(event->button.y / renderer->scale.y);
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   191
        }
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   192
    }
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   193
    return 0;
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   194
}
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   195
6258
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   196
int
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diff changeset
   197
SDL_CreateWindowAndRenderer(int width, int height, Uint32 window_flags,
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   198
                            SDL_Window **window, SDL_Renderer **renderer)
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   199
{
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   200
    *window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_UNDEFINED,
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   201
                                     SDL_WINDOWPOS_UNDEFINED,
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   202
                                     width, height, window_flags);
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   203
    if (!*window) {
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
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   204
        *renderer = NULL;
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
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   205
        return -1;
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diff changeset
   206
    }
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
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diff changeset
   207
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
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   208
    *renderer = SDL_CreateRenderer(*window, -1, 0);
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diff changeset
   209
    if (!*renderer) {
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
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   210
        return -1;
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diff changeset
   211
    }
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   212
fce7ce72677b Added a convenience function SDL_CreateWindowAndRenderer()
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   213
    return 0;
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   214
}
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   215
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   216
SDL_Renderer *
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   217
SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
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   218
{
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
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diff changeset
   219
#if !SDL_RENDER_DISABLED
5154
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   220
    SDL_Renderer *renderer = NULL;
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   221
    int n = SDL_GetNumRenderDrivers();
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
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   222
    const char *hint;
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   223
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   224
    if (!window) {
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   225
        SDL_SetError("Invalid window");
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   226
        return NULL;
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   227
    }
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   228
15c9c03a80cc Added SDL_GetRenderer()
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   229
    if (SDL_GetRenderer(window)) {
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   230
        SDL_SetError("Renderer already associated with window");
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   231
        return NULL;
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   232
    }
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   233
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   234
    hint = SDL_GetHint(SDL_HINT_RENDER_VSYNC);
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   235
    if (hint) {
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   236
        if (*hint == '0') {
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   237
            flags &= ~SDL_RENDERER_PRESENTVSYNC;
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diff changeset
   238
        } else {
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diff changeset
   239
            flags |= SDL_RENDERER_PRESENTVSYNC;
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
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diff changeset
   240
        }
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diff changeset
   241
    }
5154
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   242
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   243
    if (index < 0) {
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
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   244
        hint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
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diff changeset
   245
        if (hint) {
5154
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   246
            for (index = 0; index < n; ++index) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   247
                const SDL_RenderDriver *driver = render_drivers[index];
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diff changeset
   248
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   249
                if (SDL_strcasecmp(hint, driver->info.name) == 0) {
5154
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   250
                    /* Create a new renderer instance */
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   251
                    renderer = driver->CreateRenderer(window, flags);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   252
                    break;
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   253
                }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   254
            }
5192
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
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diff changeset
   255
        }
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
Sam Lantinga <slouken@libsdl.org>
parents: 5180
diff changeset
   256
ef5a61ea3202 Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.
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diff changeset
   257
        if (!renderer) {
5154
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diff changeset
   258
            for (index = 0; index < n; ++index) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   259
                const SDL_RenderDriver *driver = render_drivers[index];
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   260
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   261
                if ((driver->info.flags & flags) == flags) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   262
                    /* Create a new renderer instance */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   263
                    renderer = driver->CreateRenderer(window, flags);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   264
                    if (renderer) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   265
                        /* Yay, we got one! */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   266
                        break;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   267
                    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   268
                }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   269
            }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   270
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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parents:
diff changeset
   271
        if (index == n) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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   272
            SDL_SetError("Couldn't find matching render driver");
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   273
            return NULL;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   274
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   275
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   276
        if (index >= SDL_GetNumRenderDrivers()) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   277
            SDL_SetError("index must be -1 or in the range of 0 - %d",
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   278
                         SDL_GetNumRenderDrivers() - 1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   279
            return NULL;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   280
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   281
        /* Create a new renderer instance */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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diff changeset
   282
        renderer = render_drivers[index]->CreateRenderer(window, flags);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   283
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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parents:
diff changeset
   284
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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parents:
diff changeset
   285
    if (renderer) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   286
        renderer->magic = &renderer_magic;
5166
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   287
        renderer->window = window;
6528
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   288
        renderer->scale.x = 1.0f;
e978048ced60 Added SDL_RenderSetScale() and SDL_RenderGetScale()
Sam Lantinga <slouken@libsdl.org>
parents: 6497
diff changeset
   289
        renderer->scale.y = 1.0f;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   290
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   291
        if (SDL_GetWindowFlags(window) & (SDL_WINDOW_HIDDEN|SDL_WINDOW_MINIMIZED)) {
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   292
            renderer->hidden = SDL_TRUE;
6060
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   293
        } else {
6260
fd494c5f305b Fixed loading textures when the window starts hidden.
Sam Lantinga <slouken@libsdl.org>
parents: 6258
diff changeset
   294
            renderer->hidden = SDL_FALSE;
6060
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   295
        }
59d398ac031e Fixed SDL applications being killed immediately after being backgrounded, because they were trying to draw while minimized.
Sam Lantinga <slouken@libsdl.org>
parents: 6044
diff changeset
   296
5528
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   297
        SDL_SetWindowData(window, SDL_WINDOWRENDERDATA, renderer);
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   298
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   299
        SDL_RenderSetViewport(renderer, NULL);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
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diff changeset
   300
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
        SDL_AddEventWatch(SDL_RendererEventWatch, renderer);
5221
2ee8112bfc6b Added a simple log message API
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   302
2ee8112bfc6b Added a simple log message API
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   303
        SDL_LogInfo(SDL_LOG_CATEGORY_RENDER,
2ee8112bfc6b Added a simple log message API
Sam Lantinga <slouken@libsdl.org>
parents: 5209
diff changeset
   304
                    "Created renderer: %s", renderer->info.name);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   305
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   306
    return renderer;
7109
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   307
#else
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   308
    SDL_SetError("SDL not built with rendering support");
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   309
    return NULL;
003d40e446f5 Fixed bug 1583 - Fix build for disabled SDL render subsystem
Sam Lantinga <slouken@libsdl.org>
parents: 7073
diff changeset
   310
#endif
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   311
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
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parents:
diff changeset
   312
5166
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   313
SDL_Renderer *
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   314
SDL_CreateSoftwareRenderer(SDL_Surface * surface)
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   315
{
5226
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   316
#if !SDL_RENDER_DISABLED
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   317
    SDL_Renderer *renderer;
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   318
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   319
    renderer = SW_CreateRendererForSurface(surface);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   320
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   321
    if (renderer) {
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   322
        renderer->magic = &renderer_magic;
6532
58f726a2fc82 Initialized default scale for software renderer (thanks Marcus von Appen!)
Sam Lantinga <slouken@libsdl.org>
parents: 6531
diff changeset
   323
        renderer->scale.x = 1.0f;
58f726a2fc82 Initialized default scale for software renderer (thanks Marcus von Appen!)
Sam Lantinga <slouken@libsdl.org>
parents: 6531
diff changeset
   324
        renderer->scale.y = 1.0f;
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   325
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   326
        SDL_RenderSetViewport(renderer, NULL);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   327
    }
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   328
    return renderer;
5226
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   329
#else
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   330
    SDL_SetError("SDL not built with rendering support");
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   331
    return NULL;
710d00cb3a6a Made it possible to disable the rendering subsystem with configure --disable-render
Sam Lantinga <slouken@libsdl.org>
parents: 5224
diff changeset
   332
#endif /* !SDL_RENDER_DISABLED */
5166
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   333
}
4d39eeaad00b Added a way to get a framebuffer interface for a window, and also a way to create a software renderer for an arbitrary surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5158
diff changeset
   334
5528
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   335
SDL_Renderer *
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   336
SDL_GetRenderer(SDL_Window * window)
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   337
{
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   338
    return (SDL_Renderer *)SDL_GetWindowData(window, SDL_WINDOWRENDERDATA);
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   339
}
15c9c03a80cc Added SDL_GetRenderer()
Sam Lantinga <slouken@libsdl.org>
parents: 5464
diff changeset
   340
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   341
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   342
SDL_GetRendererInfo(SDL_Renderer * renderer, SDL_RendererInfo * info)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   343
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   344
    CHECK_RENDERER_MAGIC(renderer, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   345
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
    *info = renderer->info;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   347
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   348
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   349
7239
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   350
int
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   351
SDL_GetRendererOutputSize(SDL_Renderer * renderer, int *w, int *h)
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   352
{
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   353
    CHECK_RENDERER_MAGIC(renderer, -1);
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   354
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   355
    if (renderer->target) {
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   356
        return SDL_QueryTexture(renderer->target, NULL, NULL, w, h);
7746
6a05d7352575 add in High DPI support (aka Retina)
Edward Rudd <urkle@outoforder.cc>
parents: 7719
diff changeset
   357
    } else if (renderer->GetOutputSize) {
6a05d7352575 add in High DPI support (aka Retina)
Edward Rudd <urkle@outoforder.cc>
parents: 7719
diff changeset
   358
        return renderer->GetOutputSize(renderer, w, h);
7239
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   359
    } else if (renderer->window) {
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   360
        SDL_GetWindowSize(renderer->window, w, h);
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   361
        return 0;
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   362
    } else {
8654
275c4c82803b Static analysis fix: uninitialized value.
Ryan C. Gordon <icculus@icculus.org>
parents: 8650
diff changeset
   363
        SDL_assert(0 && "This should never happen");
7898
72af77fc6683 Changed function to return -1 through SDL_Error() instead of plain -1.
Philipp Wiesemann <philipp.wiesemann@arcor.de>
parents: 7770
diff changeset
   364
        return SDL_SetError("Renderer doesn't support querying output size");
7239
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   365
    }
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   366
}
04dda95ba22c Fixed bug 1622 - SDL_RenderSetViewport with empty SDL_Rect raises wrong error for OpenGL rendering backend
Sam Lantinga <slouken@libsdl.org>
parents: 7191
diff changeset
   367
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
   368
static SDL_bool
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   369
IsSupportedFormat(SDL_Renderer * renderer, Uint32 format)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   370
{
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
   371
    Uint32 i;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   372
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
   373
    for (i = 0; i < renderer->info.num_texture_formats; ++i) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   374
        if (renderer->info.texture_formats[i] == format) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   375
            return SDL_TRUE;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   376
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   377
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   378
    return SDL_FALSE;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   379
}
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
   380
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
   381
static Uint32
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   382
GetClosestSupportedFormat(SDL_Renderer * renderer, Uint32 format)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   383
{
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
   384
    Uint32 i;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   385
5268
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   386
    if (SDL_ISPIXELFORMAT_FOURCC(format)) {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   387
        /* Look for an exact match */
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   388
        for (i = 0; i < renderer->info.num_texture_formats; ++i) {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   389
            if (renderer->info.texture_formats[i] == format) {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   390
                return renderer->info.texture_formats[i];
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   391
            }
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   392
        }
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   393
    } else {
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   394
        SDL_bool hasAlpha = SDL_ISPIXELFORMAT_ALPHA(format);
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   395
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   396
        /* We just want to match the first format that has the same channels */
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   397
        for (i = 0; i < renderer->info.num_texture_formats; ++i) {
5300
3f825465a14a Don't accidentally pick a YV12 format as the closest format.
Sam Lantinga <slouken@libsdl.org>
parents: 5297
diff changeset
   398
            if (!SDL_ISPIXELFORMAT_FOURCC(renderer->info.texture_formats[i]) &&
3f825465a14a Don't accidentally pick a YV12 format as the closest format.
Sam Lantinga <slouken@libsdl.org>
parents: 5297
diff changeset
   399
                SDL_ISPIXELFORMAT_ALPHA(renderer->info.texture_formats[i]) == hasAlpha) {
5268
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   400
                return renderer->info.texture_formats[i];
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   401
            }
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
   402
        }
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
   403
    }
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
   404
    return renderer->info.texture_formats[0];
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   405
}
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
   406
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
SDL_Texture *
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
SDL_CreateTexture(SDL_Renderer * renderer, Uint32 format, int access, int w, int h)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
    SDL_Texture *texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
    CHECK_RENDERER_MAGIC(renderer, NULL);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
5413
64c0e474c459 If you pass in texture format 0, it'll use the first supported texture format.
Sam Lantinga <slouken@libsdl.org>
parents: 5369
diff changeset
   414
    if (!format) {
64c0e474c459 If you pass in texture format 0, it'll use the first supported texture format.
Sam Lantinga <slouken@libsdl.org>
parents: 5369
diff changeset
   415
        format = renderer->info.texture_formats[0];
64c0e474c459 If you pass in texture format 0, it'll use the first supported texture format.
Sam Lantinga <slouken@libsdl.org>
parents: 5369
diff changeset
   416
    }
8650
058c88ce501c Static analysis fix: division by zero.
Ryan C. Gordon <icculus@icculus.org>
parents: 8649
diff changeset
   417
    if (SDL_BYTESPERPIXEL(format) == 0) {
058c88ce501c Static analysis fix: division by zero.
Ryan C. Gordon <icculus@icculus.org>
parents: 8649
diff changeset
   418
        SDL_SetError("Invalid texture format");
058c88ce501c Static analysis fix: division by zero.
Ryan C. Gordon <icculus@icculus.org>
parents: 8649
diff changeset
   419
        return NULL;
058c88ce501c Static analysis fix: division by zero.
Ryan C. Gordon <icculus@icculus.org>
parents: 8649
diff changeset
   420
    }
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
   421
    if (SDL_ISPIXELFORMAT_INDEXED(format)) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   422
        SDL_SetError("Palettized textures are not supported");
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   423
        return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   424
    }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
    if (w <= 0 || h <= 0) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
        SDL_SetError("Texture dimensions can't be 0");
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   427
        return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
    }
7770
28031e0042b2 Fixed bug 2122 - SDL_CreateTexture allows illegal texture sizes
Sam Lantinga <slouken@libsdl.org>
parents: 7761
diff changeset
   429
    if ((renderer->info.max_texture_width && w > renderer->info.max_texture_width) ||
28031e0042b2 Fixed bug 2122 - SDL_CreateTexture allows illegal texture sizes
Sam Lantinga <slouken@libsdl.org>
parents: 7761
diff changeset
   430
        (renderer->info.max_texture_height && h > renderer->info.max_texture_height)) {
28031e0042b2 Fixed bug 2122 - SDL_CreateTexture allows illegal texture sizes
Sam Lantinga <slouken@libsdl.org>
parents: 7761
diff changeset
   431
        SDL_SetError("Texture dimensions are limited to %dx%d", renderer->info.max_texture_width, renderer->info.max_texture_height);
28031e0042b2 Fixed bug 2122 - SDL_CreateTexture allows illegal texture sizes
Sam Lantinga <slouken@libsdl.org>
parents: 7761
diff changeset
   432
        return NULL;
28031e0042b2 Fixed bug 2122 - SDL_CreateTexture allows illegal texture sizes
Sam Lantinga <slouken@libsdl.org>
parents: 7761
diff changeset
   433
    }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
    texture = (SDL_Texture *) SDL_calloc(1, sizeof(*texture));
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
    if (!texture) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
        SDL_OutOfMemory();
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   437
        return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
    texture->magic = &texture_magic;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
    texture->format = format;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
    texture->access = access;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
    texture->w = w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
    texture->h = h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
    texture->r = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
    texture->g = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
    texture->b = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
    texture->a = 255;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
    texture->renderer = renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
    texture->next = renderer->textures;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
    if (renderer->textures) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
        renderer->textures->prev = texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
    renderer->textures = texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   455
    if (IsSupportedFormat(renderer, format)) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   456
        if (renderer->CreateTexture(renderer, texture) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   457
            SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   458
            return 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   459
        }
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
   460
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   461
        texture->native = SDL_CreateTexture(renderer,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   462
                                GetClosestSupportedFormat(renderer, format),
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   463
                                access, w, h);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   464
        if (!texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   465
            SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   466
            return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   467
        }
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
   468
6497
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   469
        /* Swap textures to have texture before texture->native in the list */
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   470
        texture->native->next = texture->next;
6533
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   471
        if (texture->native->next) {
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   472
            texture->native->next->prev = texture->native;
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   473
        }
6497
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   474
        texture->prev = texture->native->prev;
6533
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   475
        if (texture->prev) {
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   476
            texture->prev->next = texture;
c784245304dd Fixed texture list when swapping textures (thanks Drake Wilson!)
Sam Lantinga <slouken@libsdl.org>
parents: 6532
diff changeset
   477
        }
6497
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   478
        texture->native->prev = texture;
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   479
        texture->next = texture->native;
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   480
        renderer->textures = texture;
e844e2632149 Fixed bug 1579 - Creating a texture with unsupported format may cause double-destruction
Sam Lantinga <slouken@libsdl.org>
parents: 6417
diff changeset
   481
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
   482
        if (SDL_ISPIXELFORMAT_FOURCC(texture->format)) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   483
            texture->yuv = SDL_SW_CreateYUVTexture(format, w, h);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   484
            if (!texture->yuv) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   485
                SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   486
                return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   487
            }
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
   488
        } else if (access == SDL_TEXTUREACCESS_STREAMING) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   489
            /* The pitch is 4 byte aligned */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   490
            texture->pitch = (((w * SDL_BYTESPERPIXEL(format)) + 3) & ~3);
5342
d4b691de3b8f Zero streaming textures to reduce confusion.
Sam Lantinga <slouken@libsdl.org>
parents: 5333
diff changeset
   491
            texture->pixels = SDL_calloc(1, texture->pitch * h);
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   492
            if (!texture->pixels) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   493
                SDL_DestroyTexture(texture);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   494
                return NULL;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   495
            }
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
   496
        }
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
    return texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
SDL_Texture *
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   502
SDL_CreateTextureFromSurface(SDL_Renderer * renderer, SDL_Surface * surface)
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
{
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   504
    const SDL_PixelFormat *fmt;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   505
    SDL_bool needAlpha;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   506
    Uint32 i;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   507
    Uint32 format;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   508
    SDL_Texture *texture;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
    CHECK_RENDERER_MAGIC(renderer, NULL);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
    if (!surface) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
        SDL_SetError("SDL_CreateTextureFromSurface() passed NULL surface");
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   514
        return NULL;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   515
    }
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   516
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   517
    /* See what the best texture format is */
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   518
    fmt = surface->format;
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   519
    if (fmt->Amask || SDL_GetColorKey(surface, NULL) == 0) {
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   520
        needAlpha = SDL_TRUE;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   521
    } else {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   522
        needAlpha = SDL_FALSE;
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   523
    }
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   524
    format = renderer->info.texture_formats[0];
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   525
    for (i = 0; i < renderer->info.num_texture_formats; ++i) {
5268
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   526
        if (!SDL_ISPIXELFORMAT_FOURCC(renderer->info.texture_formats[i]) &&
c5a04f3c3908 Fixed a crash caused by the 1.2 code path getting a YV12 texture. :)
Sam Lantinga <slouken@libsdl.org>
parents: 5262
diff changeset
   527
            SDL_ISPIXELFORMAT_ALPHA(renderer->info.texture_formats[i]) == needAlpha) {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   528
            format = renderer->info.texture_formats[i];
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   529
            break;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   530
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   531
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   532
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   533
    texture = SDL_CreateTexture(renderer, format, SDL_TEXTUREACCESS_STATIC,
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   534
                                surface->w, surface->h);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
    if (!texture) {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   536
        return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
    }
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   538
5288
d4381f3b0d1e A few fixes:
Sam Lantinga <slouken@libsdl.org>
parents: 5270
diff changeset
   539
    if (format == surface->format->format) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
        if (SDL_MUSTLOCK(surface)) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   541
            SDL_LockSurface(surface);
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   542
            SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   543
            SDL_UnlockSurface(surface);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
        } else {
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   545
            SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   547
    } else {
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   548
        SDL_PixelFormat *dst_fmt;
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   549
        SDL_Surface *temp = NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
        /* Set up a destination surface for the texture update */
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   552
        dst_fmt = SDL_AllocFormat(format);
9078
230e7558f76a Fixed bug 2681 - dereference a NULL pointer dst_fmt in SDL_CreateTextureFromSurface function
Sam Lantinga <slouken@libsdl.org>
parents: 8728
diff changeset
   553
        if (!dst_fmt) {
230e7558f76a Fixed bug 2681 - dereference a NULL pointer dst_fmt in SDL_CreateTextureFromSurface function
Sam Lantinga <slouken@libsdl.org>
parents: 8728
diff changeset
   554
           SDL_DestroyTexture(texture);
230e7558f76a Fixed bug 2681 - dereference a NULL pointer dst_fmt in SDL_CreateTextureFromSurface function
Sam Lantinga <slouken@libsdl.org>
parents: 8728
diff changeset
   555
           return NULL;
230e7558f76a Fixed bug 2681 - dereference a NULL pointer dst_fmt in SDL_CreateTextureFromSurface function
Sam Lantinga <slouken@libsdl.org>
parents: 8728
diff changeset
   556
        }
5297
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   557
        temp = SDL_ConvertSurface(surface, dst_fmt, 0);
1800dc39b74c Changed the concept of a render clip rect to a render viewport.
Sam Lantinga <slouken@libsdl.org>
parents: 5289
diff changeset
   558
        SDL_FreeFormat(dst_fmt);
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   559
        if (temp) {
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   560
            SDL_UpdateTexture(texture, NULL, temp->pixels, temp->pitch);
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   561
            SDL_FreeSurface(temp);
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   562
        } else {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
            SDL_DestroyTexture(texture);
5158
b3ccd1947786 Simplified and improved the process of creating a texture from a surface.
Sam Lantinga <slouken@libsdl.org>
parents: 5157
diff changeset
   564
            return NULL;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   566
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
    {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
        Uint8 r, g, b, a;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   570
        SDL_BlendMode blendMode;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
        SDL_GetSurfaceColorMod(surface, &r, &g, &b);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
        SDL_SetTextureColorMod(texture, r, g, b);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
        SDL_GetSurfaceAlphaMod(surface, &a);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   576
        SDL_SetTextureAlphaMod(texture, a);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
        if (SDL_GetColorKey(surface, NULL) == 0) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   579
            /* We converted to a texture with alpha format */
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
            SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   581
        } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
            SDL_GetSurfaceBlendMode(surface, &blendMode);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
            SDL_SetTextureBlendMode(texture, blendMode);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
        }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   585
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
    return texture;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   590
SDL_QueryTexture(SDL_Texture * texture, Uint32 * format, int *access,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
                 int *w, int *h)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
    if (format) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
        *format = texture->format;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
    if (access) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
        *access = texture->access;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
    if (w) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
        *w = texture->w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   604
    if (h) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
        *h = texture->h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   607
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   609
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   611
SDL_SetTextureColorMod(SDL_Texture * texture, Uint8 r, Uint8 g, Uint8 b)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   612
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   613
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   615
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
    renderer = texture->renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
    if (r < 255 || g < 255 || b < 255) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   619
        texture->modMode |= SDL_TEXTUREMODULATE_COLOR;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   620
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   621
        texture->modMode &= ~SDL_TEXTUREMODULATE_COLOR;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   622
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   623
    texture->r = r;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   624
    texture->g = g;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   625
    texture->b = b;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   626
    if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   627
        return SDL_SetTextureColorMod(texture->native, r, g, b);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   628
    } else if (renderer->SetTextureColorMod) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   629
        return renderer->SetTextureColorMod(renderer, texture);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   630
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   631
        return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   632
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   633
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   634
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   635
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   636
SDL_GetTextureColorMod(SDL_Texture * texture, Uint8 * r, Uint8 * g,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   637
                       Uint8 * b)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   638
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   639
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   640
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   641
    if (r) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   642
        *r = texture->r;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   643
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   644
    if (g) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   645
        *g = texture->g;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   646
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   647
    if (b) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   648
        *b = texture->b;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   649
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   650
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   651
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   652
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   653
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   654
SDL_SetTextureAlphaMod(SDL_Texture * texture, Uint8 alpha)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   655
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   656
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   657
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   658
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   659
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   660
    renderer = texture->renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   661
    if (alpha < 255) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   662
        texture->modMode |= SDL_TEXTUREMODULATE_ALPHA;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   663
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   664
        texture->modMode &= ~SDL_TEXTUREMODULATE_ALPHA;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   665
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   666
    texture->a = alpha;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   667
    if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   668
        return SDL_SetTextureAlphaMod(texture->native, alpha);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   669
    } else if (renderer->SetTextureAlphaMod) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
        return renderer->SetTextureAlphaMod(renderer, texture);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   671
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
        return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   674
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   675
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   676
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   677
SDL_GetTextureAlphaMod(SDL_Texture * texture, Uint8 * alpha)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   678
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   679
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   680
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   681
    if (alpha) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   682
        *alpha = texture->a;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   683
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   684
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   685
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   686
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   687
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   688
SDL_SetTextureBlendMode(SDL_Texture * texture, SDL_BlendMode blendMode)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   689
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   690
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   691
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   692
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   693
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   694
    renderer = texture->renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   695
    texture->blendMode = blendMode;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   696
    if (texture->native) {
5180
4d098d286794 SDL_SetTextureBlendMode broken, caught by Kai Sterker - Thanks!
Sam Lantinga <slouken@libsdl.org>
parents: 5166
diff changeset
   697
        return SDL_SetTextureBlendMode(texture->native, blendMode);
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   698
    } else if (renderer->SetTextureBlendMode) {
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   699
        return renderer->SetTextureBlendMode(renderer, texture);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   700
    } else {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   701
        return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   702
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   703
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   704
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   705
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   706
SDL_GetTextureBlendMode(SDL_Texture * texture, SDL_BlendMode *blendMode)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   707
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   708
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   709
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   710
    if (blendMode) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   711
        *blendMode = texture->blendMode;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   712
    }
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   713
    return 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   714
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   715
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
   716
static int
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   717
SDL_UpdateTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   718
                     const void *pixels, int pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   719
{
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   720
    SDL_Texture *native = texture->native;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   721
    SDL_Rect full_rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   722
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   723
    if (SDL_SW_UpdateYUVTexture(texture->yuv, rect, pixels, pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   724
        return -1;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   725
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   726
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   727
    full_rect.x = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   728
    full_rect.y = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   729
    full_rect.w = texture->w;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   730
    full_rect.h = texture->h;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   731
    rect = &full_rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   732
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   733
    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   734
        /* We can lock the texture and copy to it */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   735
        void *native_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   736
        int native_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   737
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   738
        if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   739
            return -1;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   740
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   741
        SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   742
                            rect->w, rect->h, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   743
        SDL_UnlockTexture(native);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   744
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   745
        /* Use a temporary buffer for updating */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   746
        void *temp_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   747
        int temp_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   748
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   749
        temp_pitch = (((rect->w * SDL_BYTESPERPIXEL(native->format)) + 3) & ~3);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   750
        temp_pixels = SDL_malloc(rect->h * temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   751
        if (!temp_pixels) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   752
            return SDL_OutOfMemory();
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   753
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   754
        SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   755
                            rect->w, rect->h, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   756
        SDL_UpdateTexture(native, rect, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   757
        SDL_free(temp_pixels);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   758
    }
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
   759
    return 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   760
}
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
   761
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
   762
static int
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   763
SDL_UpdateTextureNative(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   764
                        const void *pixels, int pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   765
{
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
   766
    SDL_Texture *native = texture->native;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   767
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
   768
    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   769
        /* We can lock the texture and copy to it */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   770
        void *native_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   771
        int native_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   772
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
   773
        if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   774
            return -1;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   775
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   776
        SDL_ConvertPixels(rect->w, rect->h,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   777
                          texture->format, pixels, pitch,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   778
                          native->format, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   779
        SDL_UnlockTexture(native);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   780
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   781
        /* Use a temporary buffer for updating */
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   782
        void *temp_pixels;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   783
        int temp_pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   784
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   785
        temp_pitch = (((rect->w * SDL_BYTESPERPIXEL(native->format)) + 3) & ~3);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   786
        temp_pixels = SDL_malloc(rect->h * temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   787
        if (!temp_pixels) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   788
            return SDL_OutOfMemory();
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   789
        }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   790
        SDL_ConvertPixels(rect->w, rect->h,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   791
                          texture->format, pixels, pitch,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   792
                          native->format, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   793
        SDL_UpdateTexture(native, rect, temp_pixels, temp_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   794
        SDL_free(temp_pixels);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   795
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   796
    return 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   797
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   798
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   799
int
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   800
SDL_UpdateTexture(SDL_Texture * texture, const SDL_Rect * rect,
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   801
                  const void *pixels, int pitch)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   802
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   803
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   804
    SDL_Rect full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   805
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   806
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   807
7409
8b5ae6ff6a49 Check the parameters to SDL_UpdateTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7339
diff changeset
   808
    if (!pixels) {
8b5ae6ff6a49 Check the parameters to SDL_UpdateTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7339
diff changeset
   809
        return SDL_InvalidParamError("pixels");
8b5ae6ff6a49 Check the parameters to SDL_UpdateTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7339
diff changeset
   810
    }
8b5ae6ff6a49 Check the parameters to SDL_UpdateTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7339
diff changeset
   811
    if (!pitch) {
8b5ae6ff6a49 Check the parameters to SDL_UpdateTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7339
diff changeset
   812
        return SDL_InvalidParamError("pitch");
8b5ae6ff6a49 Check the parameters to SDL_UpdateTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7339
diff changeset
   813
    }
8b5ae6ff6a49 Check the parameters to SDL_UpdateTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7339
diff changeset
   814
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   815
    if (!rect) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   816
        full_rect.x = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   817
        full_rect.y = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   818
        full_rect.w = texture->w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   819
        full_rect.h = texture->h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   820
        rect = &full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   821
    }
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
   822
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
   823
    if (texture->yuv) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   824
        return SDL_UpdateTextureYUV(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   825
    } else if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   826
        return SDL_UpdateTextureNative(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   827
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   828
        renderer = texture->renderer;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   829
        return renderer->UpdateTexture(renderer, texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   830
    }
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   831
}
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   832
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   833
static int
7759
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   834
SDL_UpdateTextureYUVPlanar(SDL_Texture * texture, const SDL_Rect * rect,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   835
                           const Uint8 *Yplane, int Ypitch,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   836
                           const Uint8 *Uplane, int Upitch,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   837
                           const Uint8 *Vplane, int Vpitch)
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   838
{
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   839
    SDL_Texture *native = texture->native;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   840
    SDL_Rect full_rect;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   841
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   842
    if (SDL_SW_UpdateYUVTexturePlanar(texture->yuv, rect, Yplane, Ypitch, Uplane, Upitch, Vplane, Vpitch) < 0) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   843
        return -1;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   844
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   845
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   846
    full_rect.x = 0;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   847
    full_rect.y = 0;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   848
    full_rect.w = texture->w;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   849
    full_rect.h = texture->h;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   850
    rect = &full_rect;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   851
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   852
    if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   853
        /* We can lock the texture and copy to it */
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   854
        void *native_pixels;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   855
        int native_pitch;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   856
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   857
        if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   858
            return -1;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   859
        }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   860
        SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   861
                            rect->w, rect->h, native_pixels, native_pitch);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   862
        SDL_UnlockTexture(native);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   863
    } else {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   864
        /* Use a temporary buffer for updating */
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   865
        void *temp_pixels;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   866
        int temp_pitch;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   867
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   868
        temp_pitch = (((rect->w * SDL_BYTESPERPIXEL(native->format)) + 3) & ~3);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   869
        temp_pixels = SDL_malloc(rect->h * temp_pitch);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   870
        if (!temp_pixels) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   871
            return SDL_OutOfMemory();
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   872
        }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   873
        SDL_SW_CopyYUVToRGB(texture->yuv, rect, native->format,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   874
                            rect->w, rect->h, temp_pixels, temp_pitch);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   875
        SDL_UpdateTexture(native, rect, temp_pixels, temp_pitch);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   876
        SDL_free(temp_pixels);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   877
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   878
    return 0;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   879
}
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   880
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   881
int SDL_UpdateYUVTexture(SDL_Texture * texture, const SDL_Rect * rect,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   882
                         const Uint8 *Yplane, int Ypitch,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   883
                         const Uint8 *Uplane, int Upitch,
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   884
                         const Uint8 *Vplane, int Vpitch)
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   885
{
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   886
    SDL_Renderer *renderer;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   887
    SDL_Rect full_rect;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   888
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   889
    CHECK_TEXTURE_MAGIC(texture, -1);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   890
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   891
    if (!Yplane) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   892
        return SDL_InvalidParamError("Yplane");
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   893
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   894
    if (!Ypitch) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   895
        return SDL_InvalidParamError("Ypitch");
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   896
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   897
    if (!Uplane) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   898
        return SDL_InvalidParamError("Uplane");
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   899
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   900
    if (!Upitch) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   901
        return SDL_InvalidParamError("Upitch");
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   902
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   903
    if (!Vplane) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   904
        return SDL_InvalidParamError("Vplane");
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   905
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   906
    if (!Vpitch) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   907
        return SDL_InvalidParamError("Vpitch");
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   908
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   909
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   910
    if (texture->format != SDL_PIXELFORMAT_YV12 &&
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   911
        texture->format != SDL_PIXELFORMAT_IYUV) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   912
        return SDL_SetError("Texture format must by YV12 or IYUV");
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   913
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   914
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   915
    if (!rect) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   916
        full_rect.x = 0;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   917
        full_rect.y = 0;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   918
        full_rect.w = texture->w;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   919
        full_rect.h = texture->h;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   920
        rect = &full_rect;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   921
    }
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   922
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   923
    if (texture->yuv) {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   924
        return SDL_UpdateTextureYUVPlanar(texture, rect, Yplane, Ypitch, Uplane, Upitch, Vplane, Vpitch);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   925
    } else {
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   926
        SDL_assert(!texture->native);
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   927
        renderer = texture->renderer;
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   928
        SDL_assert(renderer->UpdateTextureYUV);
9084
a8cbb653aea4 Fixed bug where the render target is updated instead of the default output when the window is resized.
Sam Lantinga <slouken@libsdl.org>
parents: 9078
diff changeset
   929
        if (renderer->UpdateTextureYUV) {
a8cbb653aea4 Fixed bug where the render target is updated instead of the default output when the window is resized.
Sam Lantinga <slouken@libsdl.org>
parents: 9078
diff changeset
   930
            return renderer->UpdateTextureYUV(renderer, texture, rect, Yplane, Ypitch, Uplane, Upitch, Vplane, Vpitch);
a8cbb653aea4 Fixed bug where the render target is updated instead of the default output when the window is resized.
Sam Lantinga <slouken@libsdl.org>
parents: 9078
diff changeset
   931
        } else {
a8cbb653aea4 Fixed bug where the render target is updated instead of the default output when the window is resized.
Sam Lantinga <slouken@libsdl.org>
parents: 9078
diff changeset
   932
            return SDL_Unsupported();
a8cbb653aea4 Fixed bug where the render target is updated instead of the default output when the window is resized.
Sam Lantinga <slouken@libsdl.org>
parents: 9078
diff changeset
   933
        }
a8cbb653aea4 Fixed bug where the render target is updated instead of the default output when the window is resized.
Sam Lantinga <slouken@libsdl.org>
parents: 9078
diff changeset
   934
    }
7759
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   935
}
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   936
869583422e5a Added optimized YUV texture upload path with SDL_UpdateYUVTexture()
Sam Lantinga <slouken@libsdl.org>
parents: 7746
diff changeset
   937
static int
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   938
SDL_LockTextureYUV(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   939
                   void **pixels, int *pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   940
{
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
   941
    return SDL_SW_LockYUVTexture(texture->yuv, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   942
}
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
   943
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
   944
static int
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   945
SDL_LockTextureNative(SDL_Texture * texture, const SDL_Rect * rect,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   946
                      void **pixels, int *pitch)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   947
{
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
   948
    texture->locked_rect = *rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   949
    *pixels = (void *) ((Uint8 *) texture->pixels +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   950
                        rect->y * texture->pitch +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   951
                        rect->x * SDL_BYTESPERPIXEL(texture->format));
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   952
    *pitch = texture->pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   953
    return 0;
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   954
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   955
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   956
int
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   957
SDL_LockTexture(SDL_Texture * texture, const SDL_Rect * rect,
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   958
                void **pixels, int *pitch)
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   959
{
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   960
    SDL_Renderer *renderer;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   961
    SDL_Rect full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   962
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   963
    CHECK_TEXTURE_MAGIC(texture, -1);
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   964
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   965
    if (texture->access != SDL_TEXTUREACCESS_STREAMING) {
7037
3fedf1f25b94 Make SDL_SetError and friends unconditionally return -1.
Ryan C. Gordon <icculus@icculus.org>
parents: 7011
diff changeset
   966
        return SDL_SetError("SDL_LockTexture(): texture must be streaming");
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   967
    }
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
   968
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   969
    if (!rect) {
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   970
        full_rect.x = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   971
        full_rect.y = 0;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   972
        full_rect.w = texture->w;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   973
        full_rect.h = texture->h;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   974
        rect = &full_rect;
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   975
    }
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
   976
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
   977
    if (texture->yuv) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   978
        return SDL_LockTextureYUV(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   979
    } else if (texture->native) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   980
        return SDL_LockTextureNative(texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   981
    } else {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   982
        renderer = texture->renderer;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   983
        return renderer->LockTexture(renderer, texture, rect, pixels, pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   984
    }
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
   985
}
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
   986
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
   987
static void
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   988
SDL_UnlockTextureYUV(SDL_Texture * texture)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   989
{
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
   990
    SDL_Texture *native = texture->native;
8649
4ee50f124da2 Static analysis fix: uninitialized variables.
Ryan C. Gordon <icculus@icculus.org>
parents: 8599
diff changeset
   991
    void *native_pixels = NULL;
4ee50f124da2 Static analysis fix: uninitialized variables.
Ryan C. Gordon <icculus@icculus.org>
parents: 8599
diff changeset
   992
    int native_pitch = 0;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   993
    SDL_Rect rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   994
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
   995
    rect.x = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   996
    rect.y = 0;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   997
    rect.w = texture->w;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   998
    rect.h = texture->h;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
   999
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
  1000
    if (SDL_LockTexture(native, &rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1001
        return;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1002
    }
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
  1003
    SDL_SW_CopyYUVToRGB(texture->yuv, &rect, native->format,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1004
                        rect.w, rect.h, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1005
    SDL_UnlockTexture(native);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1006
}
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
  1007
6044
35448a5ea044 Lots of fixes importing SDL source wholesale into a new iOS project
Sam Lantinga <slouken@libsdl.org>
parents: 5535
diff changeset
  1008
static void
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1009
SDL_UnlockTextureNative(SDL_Texture * texture)
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1010
{
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
  1011
    SDL_Texture *native = texture->native;
8649
4ee50f124da2 Static analysis fix: uninitialized variables.
Ryan C. Gordon <icculus@icculus.org>
parents: 8599
diff changeset
  1012
    void *native_pixels = NULL;
4ee50f124da2 Static analysis fix: uninitialized variables.
Ryan C. Gordon <icculus@icculus.org>
parents: 8599
diff changeset
  1013
    int native_pitch = 0;
5156
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1014
    const SDL_Rect *rect = &texture->locked_rect;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1015
    const void* pixels = (void *) ((Uint8 *) texture->pixels +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1016
                        rect->y * texture->pitch +
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1017
                        rect->x * SDL_BYTESPERPIXEL(texture->format));
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1018
    int pitch = texture->pitch;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1019
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
  1020
    if (SDL_LockTexture(native, rect, &native_pixels, &native_pitch) < 0) {
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1021
        return;
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1022
    }
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
  1023
    SDL_ConvertPixels(rect->w, rect->h,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1024
                      texture->format, pixels, pitch,
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1025
                      native->format, native_pixels, native_pitch);
307ccc9c135e Made it possible to create a texture of any format, even if not supported by the renderer.
Sam Lantinga <slouken@libsdl.org>
parents: 5154
diff changeset
  1026
    SDL_UnlockTexture(native);
5154
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1027
}
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1028
fb424691cfc7 Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
  1029
void