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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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6
src/render/direct3d11/SDL_render_d3d11.c
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@@ -2288,7 +2288,7 @@ done:
return status;
}
static void
static int
D3D11_RenderPresent(SDL_Renderer * renderer)
{
D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
@@ -2334,7 +2334,7 @@ D3D11_RenderPresent(SDL_Renderer * renderer)
*
* TODO, WinRT: consider throwing an exception if D3D11_RenderPresent fails, especially if there is a way to salvage debug info from users' machines
*/
if ( result == DXGI_ERROR_DEVICE_REMOVED ) {
if (result == DXGI_ERROR_DEVICE_REMOVED) {
D3D11_HandleDeviceLost(renderer);
} else if (result == DXGI_ERROR_INVALID_CALL) {
/* We probably went through a fullscreen <-> windowed transition */
@@ -2342,7 +2342,9 @@ D3D11_RenderPresent(SDL_Renderer * renderer)
} else {
WIN_SetErrorFromHRESULT(SDL_COMPOSE_ERROR("IDXGISwapChain::Present"), result);
}
return -1;
}
return 0;
}
#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP