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Merge pull request #3155 from bunnei/fix-asynch-gpu-wait 

gpu_thread: Don't spin wait if there are no GPU commands.
This commit is contained in:
bunnei 2019-11-24 20:19:25 -05:00 committed by GitHub
parent 9046d4a548 9ec84fc592
commit 33a6b45a6c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 17 deletions
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32
src/video_core/gpu_thread.cpp
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@ -31,24 +31,22 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
CommandDataContainer next;
while (state.is_running) {
while (!state.queue.Empty()) {
state.queue.Pop(next);
if (const auto submit_list = std::get_if<SubmitListCommand>(&next.data)) {
dma_pusher.Push(std::move(submit_list->entries));
dma_pusher.DispatchCalls();
} else if (const auto data = std::get_if<SwapBuffersCommand>(&next.data)) {
renderer.SwapBuffers(data->framebuffer ? &*data->framebuffer : nullptr);
} else if (const auto data = std::get_if<FlushRegionCommand>(&next.data)) {
renderer.Rasterizer().FlushRegion(data->addr, data->size);
} else if (const auto data = std::get_if<InvalidateRegionCommand>(&next.data)) {
renderer.Rasterizer().InvalidateRegion(data->addr, data->size);
} else if (std::holds_alternative<EndProcessingCommand>(next.data)) {
return;
} else {
UNREACHABLE();
}
state.signaled_fence.store(next.fence);
next = state.queue.PopWait();
if (const auto submit_list = std::get_if<SubmitListCommand>(&next.data)) {
dma_pusher.Push(std::move(submit_list->entries));
dma_pusher.DispatchCalls();
} else if (const auto data = std::get_if<SwapBuffersCommand>(&next.data)) {
renderer.SwapBuffers(data->framebuffer ? &*data->framebuffer : nullptr);
} else if (const auto data = std::get_if<FlushRegionCommand>(&next.data)) {
renderer.Rasterizer().FlushRegion(data->addr, data->size);
} else if (const auto data = std::get_if<InvalidateRegionCommand>(&next.data)) {
renderer.Rasterizer().InvalidateRegion(data->addr, data->size);
} else if (std::holds_alternative<EndProcessingCommand>(next.data)) {
return;
} else {
UNREACHABLE();
}
state.signaled_fence.store(next.fence);
}
}