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gpu: Use std::jthread for async gpu thread

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This commit is contained in:
ameerj 2021-09-15 20:32:54 -04:00
parent c2ddda2f51
commit 877cd60b00
5 changed files with 18 additions and 69 deletions
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57
src/video_core/gpu_thread.cpp
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@ -17,9 +17,9 @@
namespace VideoCommon::GPUThread {
/// Runs the GPU thread
static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
Core::Frontend::GraphicsContext& context, Tegra::DmaPusher& dma_pusher,
SynchState& state) {
static void RunThread(std::stop_token stop_token, Core::System& system,
VideoCore::RendererBase& renderer, Core::Frontend::GraphicsContext& context,
Tegra::DmaPusher& dma_pusher, SynchState& state) {
std::string name = "yuzu:GPU";
MicroProfileOnThreadCreate(name.c_str());
SCOPE_EXIT({ MicroProfileOnThreadExit(); });
@ -28,20 +28,14 @@ static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
system.RegisterHostThread();
// Wait for first GPU command before acquiring the window context
state.queue.Wait();
// If emulation was stopped during disk shader loading, abort before trying to acquire context
if (!state.is_running) {
return;
}
auto current_context = context.Acquire();
VideoCore::RasterizerInterface* const rasterizer = renderer.ReadRasterizer();
CommandDataContainer next;
while (state.is_running) {
next = state.queue.PopWait();
while (!stop_token.stop_requested()) {
CommandDataContainer next = state.queue.PopWait(stop_token);
if (stop_token.stop_requested()) {
break;
}
if (auto* submit_list = std::get_if<SubmitListCommand>(&next.data)) {
dma_pusher.Push(std::move(submit_list->entries));
dma_pusher.DispatchCalls();
@ -55,8 +49,6 @@ static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
rasterizer->FlushRegion(flush->addr, flush->size);
} else if (const auto* invalidate = std::get_if<InvalidateRegionCommand>(&next.data)) {
rasterizer->OnCPUWrite(invalidate->addr, invalidate->size);
} else if (std::holds_alternative<EndProcessingCommand>(next.data)) {
ASSERT(state.is_running == false);
} else {
UNREACHABLE();
}
@ -73,16 +65,14 @@ static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
ThreadManager::ThreadManager(Core::System& system_, bool is_async_)
: system{system_}, is_async{is_async_} {}
ThreadManager::~ThreadManager() {
ShutDown();
}
ThreadManager::~ThreadManager() = default;
void ThreadManager::StartThread(VideoCore::RendererBase& renderer,
Core::Frontend::GraphicsContext& context,
Tegra::DmaPusher& dma_pusher) {
rasterizer = renderer.ReadRasterizer();
thread = std::thread(RunThread, std::ref(system), std::ref(renderer), std::ref(context),
std::ref(dma_pusher), std::ref(state));
thread = std::jthread(RunThread, std::ref(system), std::ref(renderer), std::ref(context),
std::ref(dma_pusher), std::ref(state));
}
void ThreadManager::SubmitList(Tegra::CommandList&& entries) {
@ -117,26 +107,6 @@ void ThreadManager::FlushAndInvalidateRegion(VAddr addr, u64 size) {
rasterizer->OnCPUWrite(addr, size);
}
void ThreadManager::ShutDown() {
if (!state.is_running) {
return;
}
{
std::lock_guard lk(state.write_lock);
state.is_running = false;
state.cv.notify_all();
}
if (!thread.joinable()) {
return;
}
// Notify GPU thread that a shutdown is pending
PushCommand(EndProcessingCommand());
thread.join();
}
void ThreadManager::OnCommandListEnd() {
PushCommand(OnCommandListEndCommand());
}
@ -152,9 +122,8 @@ u64 ThreadManager::PushCommand(CommandData&& command_data, bool block) {
state.queue.Push(CommandDataContainer(std::move(command_data), fence, block));
if (block) {
state.cv.wait(lk, [this, fence] {
return fence <= state.signaled_fence.load(std::memory_order_relaxed) ||
!state.is_running;
state.cv.wait(lk, thread.get_stop_token(), [this, fence] {
return fence <= state.signaled_fence.load(std::memory_order_relaxed);
});
}