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video_core/gpu: Create threads separately from initialization

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Like with CPU emulation, we generally don't want to fire off the threads
immediately after the relevant classes are initialized, we want to do
this after all necessary data is done loading first.

This splits the thread creation into its own interface member function
to allow controlling when these threads in particular get created.
This commit is contained in:
Lioncash
2019-04-09 14:02:00 -04:00
parent f2331a804a
commit 6d0551196d
10 changed files with 51 additions and 25 deletions
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17
src/video_core/gpu_thread.cpp
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@ -55,19 +55,24 @@ static void RunThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_p
}
}
ThreadManager::ThreadManager(Core::System& system, VideoCore::RendererBase& renderer,
Tegra::DmaPusher& dma_pusher)
: system{system}, thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)} {
synchronization_event = system.CoreTiming().RegisterEvent(
"GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); });
}
ThreadManager::ThreadManager(Core::System& system) : system{system} {}
ThreadManager::~ThreadManager() {
if (!thread.joinable()) {
return;
}
// Notify GPU thread that a shutdown is pending
PushCommand(EndProcessingCommand());
thread.join();
}
void ThreadManager::StartThread(VideoCore::RendererBase& renderer, Tegra::DmaPusher& dma_pusher) {
thread = std::thread{RunThread, std::ref(renderer), std::ref(dma_pusher), std::ref(state)};
synchronization_event = system.CoreTiming().RegisterEvent(
"GPUThreadSynch", [this](u64 fence, s64) { state.WaitForSynchronization(fence); });
}
void ThreadManager::SubmitList(Tegra::CommandList&& entries) {
const u64 fence{PushCommand(SubmitListCommand(std::move(entries)))};
const s64 synchronization_ticks{Core::Timing::usToCycles(9000)};