thirdpartymirrors/UnleashedRecomp
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Fix loading thread breaking waitable swap chain order.

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Skyth 2024-12-25 13:06:25 +03:00
parent 27427f7950
commit 0abbb751e4
1 changed files with 20 additions and 2 deletions
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22
UnleashedRecomp/gpu/video.cpp
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@ -2173,10 +2173,23 @@ static void ProcDrawImGui(const RenderCommand& cmd)
} }
} }
// We have to check for this to properly handle the following situation:
// 1. Wait on swap chain.
// 2. Create loading thread.
// 3. Loading thread also waits on swap chain.
// 4. Loading thread presents and quits.
// 5. After the loading thread quits, application also presents.
static bool g_pendingWaitOnSwapChain = true;
void Video::WaitOnSwapChain() void Video::WaitOnSwapChain()
{ {
if (g_swapChainValid) if (g_pendingWaitOnSwapChain)
g_swapChain->wait(); {
if (g_swapChainValid)
g_swapChain->wait();
g_pendingWaitOnSwapChain = false;
}
} }
static bool g_shouldPrecompilePipelines; static bool g_shouldPrecompilePipelines;
@ -2207,10 +2220,15 @@ void Video::Present()
if (g_swapChainValid) if (g_swapChainValid)
{ {
if (g_pendingWaitOnSwapChain)
g_swapChain->wait(); // Never gonna happen outside loading threads as explained above.
RenderCommandSemaphore* signalSemaphores[] = { g_renderSemaphores[g_frame].get() }; RenderCommandSemaphore* signalSemaphores[] = { g_renderSemaphores[g_frame].get() };
g_swapChainValid = g_swapChain->present(g_backBufferIndex, signalSemaphores, std::size(signalSemaphores)); g_swapChainValid = g_swapChain->present(g_backBufferIndex, signalSemaphores, std::size(signalSemaphores));
} }
g_pendingWaitOnSwapChain = true;
g_frame = g_nextFrame; g_frame = g_nextFrame;
g_nextFrame = (g_frame + 1) % NUM_FRAMES; g_nextFrame = (g_frame + 1) % NUM_FRAMES;