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Pass ALLOW_TEARING flag to D3D12 swap chains.

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This commit is contained in:
Skyth 2024-12-22 00:25:50 +03:00
parent 552063fbd4
commit 314a092747
1 changed files with 7 additions and 4 deletions
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11
UnleashedRecomp/gpu/rhi/plume_d3d12.cpp
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@ -1213,7 +1213,7 @@ namespace plume {
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT | DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
IDXGISwapChain1 *swapChain1;
IDXGIFactory4 *dxgiFactory = commandQueue->device->renderInterface->dxgiFactory;
@ -1265,11 +1265,14 @@ namespace plume {
bool D3D12SwapChain::present(uint32_t textureIndex, RenderCommandSemaphore **waitSemaphores, uint32_t waitSemaphoreCount) {
if (waitableObject != NULL) {
while (WaitForSingleObjectEx(waitableObject, 0, FALSE));
while (WaitForSingleObjectEx(waitableObject, 0, FALSE)) {
std::this_thread::yield();
}
}
UINT syncInterval = vsyncEnabled ? 1 : 0;
HRESULT res = d3d->Present(syncInterval, 0);
UINT flags = !vsyncEnabled ? DXGI_PRESENT_ALLOW_TEARING : 0;
HRESULT res = d3d->Present(syncInterval, flags);
return SUCCEEDED(res);
}
@ -1287,7 +1290,7 @@ namespace plume {
textures[i].d3d = nullptr;
}
HRESULT res = d3d->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT);
HRESULT res = d3d->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT | DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING);
if (FAILED(res)) {
fprintf(stderr, "ResizeBuffers failed with error code 0x%lX.\n", res);
return false;