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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/direct3d/SDL_render_d3d.c
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@@ -1384,7 +1384,7 @@ D3D_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
return status;
}
static void
static int
D3D_RenderPresent(SDL_Renderer * renderer)
{
D3D_RenderData *data = (D3D_RenderData *) renderer->driverdata;
@@ -1398,15 +1398,16 @@ D3D_RenderPresent(SDL_Renderer * renderer)
result = IDirect3DDevice9_TestCooperativeLevel(data->device);
if (result == D3DERR_DEVICELOST) {
/* We'll reset later */
return;
return -1;
}
if (result == D3DERR_DEVICENOTRESET) {
D3D_Reset(renderer);
}
result = IDirect3DDevice9_Present(data->device, NULL, NULL, NULL, NULL);
if (FAILED(result)) {
D3D_SetError("Present()", result);
return D3D_SetError("Present()", result);
}
return 0;
}
static void