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Fixed crash when running with the dummy video driver

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This commit is contained in:
Sam Lantinga 2023-07-25 12:08:21 -07:00
parent 7df721d4e9
commit 951657c99b
1 changed files with 8 additions and 2 deletions
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10
src/render/direct3d12/SDL_render_d3d12.c
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@ -1141,7 +1141,7 @@ static int D3D12_GetViewportAlignedD3DRect(SDL_Renderer *renderer, const SDL_Rec
static HRESULT D3D12_CreateSwapChain(SDL_Renderer *renderer, int w, int h)
{
D3D12_RenderData *data = (D3D12_RenderData *)renderer->driverdata;
IDXGISwapChain1* swapChain;
IDXGISwapChain1* swapChain = NULL;
HRESULT result = S_OK;
SDL_SysWMinfo windowinfo;
@ -1166,7 +1166,13 @@ static HRESULT D3D12_CreateSwapChain(SDL_Renderer *renderer, int w, int h)
DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING; /* To support presenting with allow tearing on */
SDL_VERSION(&windowinfo.version);
SDL_GetWindowWMInfo(renderer->window, &windowinfo);
if (!SDL_GetWindowWMInfo(renderer->window, &windowinfo) ||
windowinfo.subsystem != SDL_SYSWM_WINDOWS)
{
SDL_SetError("Couldn't get window handle");
result = E_FAIL;
goto done;
}
result = D3D_CALL(data->dxgiFactory, CreateSwapChainForHwnd,
(IUnknown *)data->commandQueue,