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Fixed bug 5291 - SDL_SetRenderTarget unnecessarily changes target when current target is the native texture of the passed in texture

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This commit is contained in:
Sam Lantinga 2020-12-09 06:42:31 -08:00
parent f2fff21762
commit 88cb4962cd
1 changed files with 7 additions and 6 deletions
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13
src/render/SDL_render.c
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@ -1879,12 +1879,6 @@ SDL_SetRenderTarget(SDL_Renderer *renderer, SDL_Texture *texture)
if (!SDL_RenderTargetSupported(renderer)) { if (!SDL_RenderTargetSupported(renderer)) {
return SDL_Unsupported(); return SDL_Unsupported();
} }
if (texture == renderer->target) {
/* Nothing to do! */
return 0;
}
FlushRenderCommands(renderer); /* time to send everything to the GPU! */
/* texture == NULL is valid and means reset the target to the window */ /* texture == NULL is valid and means reset the target to the window */
if (texture) { if (texture) {
@ -1901,6 +1895,13 @@ SDL_SetRenderTarget(SDL_Renderer *renderer, SDL_Texture *texture)
} }
} }
if (texture == renderer->target) {
/* Nothing to do! */
return 0;
}
FlushRenderCommands(renderer); /* time to send everything to the GPU! */
SDL_LockMutex(renderer->target_mutex); SDL_LockMutex(renderer->target_mutex);
if (texture && !renderer->target) { if (texture && !renderer->target) {