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Added support for simulated vsync in the renderer

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This kicks in if the platform doesn't support vsync directly, or if the present fails for some reason (e.g. minimized on some platforms)

Fixes https://github.com/libsdl-org/SDL/issues/5134
This commit is contained in:
Sam Lantinga 2022-09-15 01:00:12 -07:00
parent 339f7a2f6b
commit d744aafb05
15 changed files with 115 additions and 37 deletions
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7
src/render/software/SDL_render_sw.c
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@ -983,14 +983,15 @@ SW_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
format, pixels, pitch);
}
static void
static int
SW_RenderPresent(SDL_Renderer * renderer)
{
SDL_Window *window = renderer->window;
if (window) {
SDL_UpdateWindowSurface(window);
if (!window) {
return -1;
}
return SDL_UpdateWindowSurface(window);
}
static void