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video_core: gpu: Implement synchronous mode using threaded GPU.

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This commit is contained in:
bunnei 2020-12-12 00:24:33 -08:00
parent 927976c86c
commit 1481056e3d
4 changed files with 34 additions and 12 deletions
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30
src/video_core/gpu_thread.cpp
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@ -65,7 +65,8 @@ static void RunThread(Core::System& system, VideoCore::RendererBase& renderer,
}
}
ThreadManager::ThreadManager(Core::System& system_) : system{system_} {}
ThreadManager::ThreadManager(Core::System& system_, bool is_async_)
: system{system_}, is_async{is_async_} {}
ThreadManager::~ThreadManager() {
if (!thread.joinable()) {
@ -97,19 +98,30 @@ void ThreadManager::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
}
void ThreadManager::FlushRegion(VAddr addr, u64 size) {
if (!Settings::IsGPULevelHigh()) {
if (!is_async) {
// Always flush with synchronous GPU mode
PushCommand(FlushRegionCommand(addr, size));
return;
}
if (!Settings::IsGPULevelExtreme()) {
return;
}
if (system.Renderer().Rasterizer().MustFlushRegion(addr, size)) {
// Asynchronous GPU mode
switch (Settings::values.gpu_accuracy.GetValue()) {
case Settings::GPUAccuracy::Normal:
PushCommand(FlushRegionCommand(addr, size));
break;
case Settings::GPUAccuracy::High:
// TODO(bunnei): Is this right? Preserving existing behavior for now
break;
case Settings::GPUAccuracy::Extreme: {
auto& gpu = system.GPU();
u64 fence = gpu.RequestFlush(addr, size);
PushCommand(GPUTickCommand());
while (fence > gpu.CurrentFlushRequestFence()) {
}
break;
}
default:
UNIMPLEMENTED_MSG("Unsupported gpu_accuracy {}", Settings::values.gpu_accuracy.GetValue());
}
}
@ -134,6 +146,12 @@ void ThreadManager::OnCommandListEnd() {
u64 ThreadManager::PushCommand(CommandData&& command_data) {
const u64 fence{++state.last_fence};
state.queue.Push(CommandDataContainer(std::move(command_data), fence));
if (!is_async) {
// In synchronous GPU mode, block the caller until the command has executed
WaitIdle();
}
return fence;
}