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authorFernando S <fsahmkow27@gmail.com>2022-01-04 14:16:24 +0100
committerGitHub <noreply@github.com>2022-01-04 14:16:24 +0100
commit118d5fa3b0fdc070f57916203dbbb999fe7e3c69 (patch)
treedcea9a661fb5595fd255fa62e81d82c9a3aef822 /src/video_core
parentMerge pull request #7251 from FernandoS27/shader-dump (diff)
parentgpu: Add shut down method to synchronize threads before destruction (diff)
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Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/gpu.cpp29
-rw-r--r--src/video_core/gpu.h6
2 files changed, 27 insertions, 8 deletions
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index d98874150..44fda27ef 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) {
@@ -307,6 +312,12 @@ struct GPU::Impl {
cpu_context->MakeCurrent();
}
+ void NotifyShutdown() {
+ std::unique_lock lk{sync_mutex};
+ shutting_down.store(true, std::memory_order::relaxed);
+ sync_cv.notify_all();
+ }
+
/// Obtain the CPU Context
void ObtainContext() {
cpu_context->MakeCurrent();
@@ -665,6 +676,8 @@ 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 +686,7 @@ 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 +825,8 @@ 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) {
@@ -852,6 +865,10 @@ void GPU::Start() {
impl->Start();
}
+void GPU::NotifyShutdown() {
+ impl->NotifyShutdown();
+}
+
void GPU::ObtainContext() {
impl->ObtainContext();
}
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index cc65a7870..3188b83ed 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -5,7 +5,6 @@
#pragma once
#include <memory>
-#include <stop_token>
#include "common/bit_field.h"
#include "common/common_types.h"
@@ -210,7 +209,7 @@ public:
[[nodiscard]] const VideoCore::ShaderNotify& ShaderNotify() const;
/// 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);
void IncrementSyncPoint(u32 syncpoint_id);
@@ -233,6 +232,9 @@ public:
/// core timing events.
void Start();
+ /// Performs any additional necessary steps to shutdown GPU emulation.
+ void NotifyShutdown();
+
/// Obtain the CPU Context
void ObtainContext();