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gpu_asynch: Simplify synchronization to a simpler consumer->producer scheme.

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This commit is contained in:
Fernando Sahmkow 2019-06-10 08:36:22 -04:00 • committed by FernandoS27
parent 0706d633bf
commit f2e026a1d8
2 changed files with 3 additions and 47 deletions
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18
src/video_core/gpu_thread.cpp
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@ -21,7 +21,7 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
MicroProfileOnThreadCreate("GpuThread");
// Wait for first GPU command before acquiring the window context
state.WaitForCommands();
while (state.queue.Empty());
// If emulation was stopped during disk shader loading, abort before trying to acquire context
if (!state.is_running) {
@ -32,7 +32,6 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
CommandDataContainer next;
while (state.is_running) {
state.WaitForCommands();
while (!state.queue.Empty()) {
state.queue.Pop(next);
if (const auto submit_list = std::get_if<SubmitListCommand>(&next.data)) {
@ -49,8 +48,7 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
} else {
UNREACHABLE();
}
state.signaled_fence = next.fence;
state.TrySynchronize();
state.signaled_fence.store(next.fence);
}
}
}
@ -100,22 +98,12 @@ void ThreadManager::FlushAndInvalidateRegion(CacheAddr addr, u64 size) {
u64 ThreadManager::PushCommand(CommandData&& command_data) {
const u64 fence{++state.last_fence};
state.queue.Push(CommandDataContainer(std::move(command_data), fence));
state.SignalCommands();
return fence;
}
MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
void SynchState::WaitForSynchronization(u64 fence) {
if (signaled_fence >= fence) {
return;
}
// Wait for the GPU to be idle (all commands to be executed)
{
MICROPROFILE_SCOPE(GPU_wait);
std::unique_lock lock{synchronization_mutex};
synchronization_condition.wait(lock, [this, fence] { return signaled_fence >= fence; });
}
while (signaled_fence.load() < fence);
}
} // namespace VideoCommon::GPUThread