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Fixed ERROR: IDXGIFactory::CreateSwapChain: The flag DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING is only allowed for FLIP swapchains

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Sam Lantinga
2025-09-07 16:53:25 -07:00
parent a7ee54f9a3
commit 174d411b50
1 changed files with 9 additions and 7 deletions
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16
src/render/direct3d11/SDL_render_d3d11.c
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@@ -614,14 +614,16 @@ static HRESULT D3D11_CreateDeviceResources(SDL_Renderer *renderer)
#ifdef HAVE_DXGI1_5_H #ifdef HAVE_DXGI1_5_H
// Check for tearing support, which requires the IDXGIFactory5 interface. // Check for tearing support, which requires the IDXGIFactory5 interface.
data->swapChainFlags = 0; data->swapChainFlags = 0;
result = IDXGIFactory2_QueryInterface(data->dxgiFactory, &SDL_IID_IDXGIFactory5, (void **)&dxgiFactory5); if (!(SDL_GetWindowFlags(renderer->window) & SDL_WINDOW_TRANSPARENT)) {
if (SUCCEEDED(result)) { result = IDXGIFactory2_QueryInterface(data->dxgiFactory, &SDL_IID_IDXGIFactory5, (void **)&dxgiFactory5);
BOOL allowTearing = FALSE; if (SUCCEEDED(result)) {
result = IDXGIFactory5_CheckFeatureSupport(dxgiFactory5, DXGI_FEATURE_PRESENT_ALLOW_TEARING, &allowTearing, sizeof(allowTearing)); BOOL allowTearing = FALSE;
if (SUCCEEDED(result) && allowTearing) { result = IDXGIFactory5_CheckFeatureSupport(dxgiFactory5, DXGI_FEATURE_PRESENT_ALLOW_TEARING, &allowTearing, sizeof(allowTearing));
data->swapChainFlags = DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING; if (SUCCEEDED(result) && allowTearing) {
data->swapChainFlags = DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
}
IDXGIFactory5_Release(dxgiFactory5);
} }
IDXGIFactory5_Release(dxgiFactory5);
} }
#endif // HAVE_DXGI1_5_H #endif // HAVE_DXGI1_5_H