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Add an "error" label in SDL_CreateRenderer (no op)

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This commit is contained in:
Sylvain Becker 2019-06-28 16:14:50 +02:00
parent aa45af7fcb
commit cfed0b7738
1 changed files with 57 additions and 50 deletions
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19
src/render/SDL_render.c
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@ -839,12 +839,12 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
if (!window) {
SDL_SetError("Invalid window");
return NULL;
goto error;
}
if (SDL_GetRenderer(window)) {
SDL_SetError("Renderer already associated with window");
return NULL;
goto error;
}
if (SDL_GetHint(SDL_HINT_RENDER_VSYNC)) {
@ -888,20 +888,23 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
}
if (index == n) {
SDL_SetError("Couldn't find matching render driver");
return NULL;
goto error;
}
} else {
if (index >= SDL_GetNumRenderDrivers()) {
SDL_SetError("index must be -1 or in the range of 0 - %d",
SDL_GetNumRenderDrivers() - 1);
return NULL;
goto error;
}
/* Create a new renderer instance */
renderer = render_drivers[index]->CreateRenderer(window, flags);
batching = SDL_FALSE;
}
if (renderer) {
if (!renderer) {
goto error;
}
VerifyDrawQueueFunctions(renderer);
/* let app/user override batching decisions. */
@ -947,8 +950,12 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
SDL_LogInfo(SDL_LOG_CATEGORY_RENDER,
"Created renderer: %s", renderer->info.name);
}
return renderer;
error:
return NULL;
#else
SDL_SetError("SDL not built with rendering support");
return NULL;