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author | ameerj <52414509+ameerj@users.noreply.github.com> | 2022-01-04 02:28:54 +0100 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2022-01-04 02:28:54 +0100 |
commit | 76525432317fcc4b4847c5414bed6660c85e582b (patch) | |
tree | 38f9f01b22cb2bc4cd1c012725094133b7587d22 /src/video_core/gpu.cpp | |
parent | Merge pull request #7668 from ameerj/fence-stop-token (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/gpu.cpp | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp index d98874150..8788f5148 100644 --- a/src/video_core/gpu.cpp +++ b/src/video_core/gpu.cpp @@ -206,7 +206,7 @@ struct GPU::Impl { } /// Allows the CPU/NvFlinger to wait on the GPU before presenting a frame. - void WaitFence(u32 syncpoint_id, u32 value, std::stop_token stop_token = {}) { + void WaitFence(u32 syncpoint_id, u32 value) { // Synced GPU, is always in sync if (!is_async) { return; @@ -218,8 +218,13 @@ struct GPU::Impl { } MICROPROFILE_SCOPE(GPU_wait); std::unique_lock lock{sync_mutex}; - sync_cv.wait(lock, stop_token, - [=, this] { return syncpoints.at(syncpoint_id).load() >= value; }); + sync_cv.wait(lock, [=, this] { + if (shutting_down.load(std::memory_order_relaxed)) { + // We're shutting down, ensure no threads continue to wait for the next syncpoint + return true; + } + return syncpoints.at(syncpoint_id).load() >= value; + }); } void IncrementSyncPoint(u32 syncpoint_id) { @@ -665,6 +670,8 @@ struct GPU::Impl { std::unique_ptr<Engines::KeplerMemory> kepler_memory; /// Shader build notifier std::unique_ptr<VideoCore::ShaderNotify> shader_notify; + /// When true, we are about to shut down emulation session, so terminate outstanding tasks + std::atomic_bool shutting_down{}; std::array<std::atomic<u32>, Service::Nvidia::MaxSyncPoints> syncpoints{}; @@ -673,7 +680,7 @@ struct GPU::Impl { std::mutex sync_mutex; std::mutex device_mutex; - std::condition_variable_any sync_cv; + std::condition_variable sync_cv; struct FlushRequest { explicit FlushRequest(u64 fence_, VAddr addr_, std::size_t size_) @@ -812,8 +819,8 @@ const VideoCore::ShaderNotify& GPU::ShaderNotify() const { return impl->ShaderNotify(); } -void GPU::WaitFence(u32 syncpoint_id, u32 value, std::stop_token stop_token) { - impl->WaitFence(syncpoint_id, value, stop_token); +void GPU::WaitFence(u32 syncpoint_id, u32 value) { + impl->WaitFence(syncpoint_id, value); } void GPU::IncrementSyncPoint(u32 syncpoint_id) { |