Vulkan: Fix synchronization when shutting the GPU down in-game.

Common/GPU/Vulkan/VulkanQueueRunner.cpp

@@ -1244,6 +1244,7 @@ void VulkanQueueRunner::PerformRenderPass(const VKRStep &step, VkCommandBuffer c
 					vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
 					descSets = &c.graphics_pipeline.pipelineLayout->frameData[curFrame].descSets_;
 					pipelineLayout = c.graphics_pipeline.pipelineLayout->pipelineLayout;
+					_dbg_assert_(pipelineLayout != VK_NULL_HANDLE);
 					lastGraphicsPipeline = graphicsPipeline;
 					pipelineOK = true;
 				} else {

Common/GPU/Vulkan/VulkanRenderManager.cpp

@@ -413,6 +413,8 @@ VulkanRenderManager::~VulkanRenderManager() {
 
 	vulkan_->WaitUntilQueueIdle();
 
+	_dbg_assert_(pipelineLayouts_.empty());
+
 	VkDevice device = vulkan_->GetDevice();
 	frameDataShared_.Destroy(vulkan_);
 	for (int i = 0; i < inflightFramesAtStart_; i++) {
@@ -519,12 +521,14 @@ void VulkanRenderManager::CompileThreadFunc() {
 }
 
 void VulkanRenderManager::DrainAndBlockCompileQueue() {
+	EndCurRenderStep();
 	std::unique_lock<std::mutex> lock(compileMutex_);
 	compileBlocked_ = true;
 	compileCond_.notify_all();
 	while (!compileQueue_.empty()) {
 		queueRunner_.WaitForCompileNotification();
 	}
+	FlushSync();
 }
 
 void VulkanRenderManager::ReleaseCompileQueue() {
@@ -1538,6 +1542,8 @@ void VulkanRenderManager::Run(VKRRenderThreadTask &task) {
 
 // Called from main thread.
 void VulkanRenderManager::FlushSync() {
+	_dbg_assert_(!curRenderStep_);
+
 	if (invalidationCallback_) {
 		invalidationCallback_(InvalidationCallbackFlags::COMMAND_BUFFER_STATE);
 	}
@@ -1669,6 +1675,7 @@ void VulkanRenderManager::DestroyPipelineLayout(VKRPipelineLayout *layout) {
 			break;
 		}
 	}
+	delete layout;
 }
 
 void VulkanRenderManager::FlushDescriptors(int frame) {
@@ -1687,6 +1694,11 @@ void VulkanRenderManager::ResetDescriptorLists(int frame) {
 	}
 }
 
+VKRPipelineLayout::~VKRPipelineLayout() {
+	_assert_(!pipelineLayout && !descriptorSetLayout);
+	_assert_(frameData[0].pool.IsDestroyed());
+}
+
 void VKRPipelineLayout::FlushDescSets(VulkanContext *vulkan, int frame, QueueProfileContext *profile) {
 	_dbg_assert_(frame < VulkanContext::MAX_INFLIGHT_FRAMES);
 

Common/GPU/Vulkan/VulkanRenderManager.h

@@ -210,11 +210,7 @@ struct PackedDescriptor {
 // Note that we only support a single descriptor set due to compatibility with some ancient devices.
 // We should probably eventually give that up.
 struct VKRPipelineLayout {
-	VKRPipelineLayout() {}
-	~VKRPipelineLayout() {
-		_assert_(!pipelineLayout && !descriptorSetLayout);
-		_assert_(frameData[0].pool.IsDestroyed());
-	}
+	~VKRPipelineLayout();
 	enum { MAX_DESC_SET_BINDINGS = 10 };
 	BindingType bindingTypes[MAX_DESC_SET_BINDINGS];
 

GPU/Vulkan/DrawEngineVulkan.cpp

@@ -254,11 +254,8 @@ void DrawEngineVulkan::DoFlush() {
 	const bool forceIndexed = draw_->GetDeviceCaps().verySlowShaderCompiler;
 
 	if (useHWTransform) {
-		int vertexCount = 0;
-		bool useElements = true;
 		VkBuffer vbuf = VK_NULL_HANDLE;
 		VkBuffer ibuf = VK_NULL_HANDLE;
-		bool useIndexGen = true;
 		if (decOptions_.applySkinInDecode && (lastVType_ & GE_VTYPE_WEIGHT_MASK)) {
 			// If software skinning, we're predecoding into "decoded". So make sure we're done, then push that content.
 			DecodeVerts(decoded_);
@@ -272,8 +269,8 @@ void DrawEngineVulkan::DoFlush() {
 		DecodeInds();
 		gpuStats.numUncachedVertsDrawn += indexGen.VertexCount();
 
-		if (useIndexGen) {
-			vertexCount = indexGen.VertexCount();
+		bool useElements;
+		int vertexCount = indexGen.VertexCount();
 		if (forceIndexed) {
 			useElements = true;
 			prim = indexGen.GeneralPrim();
@@ -284,7 +281,6 @@ void DrawEngineVulkan::DoFlush() {
 			}
 			prim = indexGen.Prim();
 		}
-		}
 
 		bool hasColor = (lastVType_ & GE_VTYPE_COL_MASK) != GE_VTYPE_COL_NONE;
 		if (gstate.isModeThrough()) {

GPU/Vulkan/GPU_Vulkan.cpp

@@ -167,6 +167,7 @@ void GPU_Vulkan::SaveCache(const Path &filename) {
 GPU_Vulkan::~GPU_Vulkan() {
 	if (draw_) {
 		VulkanRenderManager *rm = (VulkanRenderManager *)draw_->GetNativeObject(Draw::NativeObject::RENDER_MANAGER);
+		// This now also does a hard sync with the render thread, so that we can safely delete our pipeline layout below.
 		rm->DrainAndBlockCompileQueue();
 	}
 
@@ -423,6 +424,7 @@ void GPU_Vulkan::CheckRenderResized() {
 
 void GPU_Vulkan::DeviceLost() {
 	// draw_ is normally actually still valid here in Vulkan. But we null it out in GPUCommonHW::DeviceLost so we don't try to use it again.
+	// So, we have to save it here to be able to call ReleaseCompileQueue().
 	Draw::DrawContext *draw = draw_;
 	if (draw) {
 		VulkanRenderManager *rm = (VulkanRenderManager *)draw->GetNativeObject(Draw::NativeObject::RENDER_MANAGER);

UI/EmuScreen.cpp

@@ -1177,7 +1177,7 @@ void EmuScreen::update() {
 	}
 }
 
-void EmuScreen::checkPowerDown() {
+bool EmuScreen::checkPowerDown() {
 	if (PSP_IsRebooting()) {
 		bootPending_ = true;
 		invalid_ = true;
@@ -1191,7 +1191,9 @@ void EmuScreen::checkPowerDown() {
 		screenManager()->switchScreen(new MainScreen());
 		bootPending_ = false;
 		invalid_ = true;
+		return true;
 	}
+	return false;
 }
 
 static const char *CPUCoreAsString(int core) {
@@ -1454,6 +1456,7 @@ void EmuScreen::render() {
 	Core_UpdateDebugStats((DebugOverlay)g_Config.iDebugOverlay == DebugOverlay::DEBUG_STATS || g_Config.bLogFrameDrops);
 
 	bool blockedExecution = Achievements::IsBlockingExecution();
+	bool rebind = false;
 	if (!blockedExecution) {
 		PSP_BeginHostFrame();
 		PSP_RunLoopWhileState();
@@ -1490,7 +1493,7 @@ void EmuScreen::render() {
 			// Didn't actually reach the end of the frame, ran out of the blockTicks cycles.
 			// In this case we need to bind and wipe the backbuffer, at least.
 			// It's possible we never ended up outputted anything - make sure we have the backbuffer cleared
-			thin3d->BindFramebufferAsRenderTarget(nullptr, { RPAction::CLEAR, RPAction::CLEAR, RPAction::CLEAR }, "EmuScreen_NoFrame");
+			rebind = true;
 			break;
 		}
 
@@ -1498,10 +1501,10 @@ void EmuScreen::render() {
 	}
 
 	// This must happen after PSP_EndHostFrame so that things like push buffers are end-frame'd before we start destroying stuff.
-	checkPowerDown();
-
-	if (invalid_)
-		return;
+	if (checkPowerDown() || rebind) {
+		// Shutting down can end up ending the current render pass
+		thin3d->BindFramebufferAsRenderTarget(nullptr, { RPAction::CLEAR, RPAction::CLEAR, RPAction::CLEAR }, "EmuScreen_NoFrame");
+	}
 
 	if (hasVisibleUI()) {
 		// In most cases, this should already be bound and a no-op.

UI/EmuScreen.h

@@ -76,7 +76,7 @@ private:
 	void onVKeyAnalog(int virtualKeyCode, float value);
 
 	void autoLoad();
-	void checkPowerDown();
+	bool checkPowerDown();
 
 	UI::Event OnDevMenu;
 	UI::Event OnChatMenu;

Windows/EmuThread.cpp

@@ -335,6 +335,8 @@ shutdown:
 
 	g_graphicsContext->Shutdown();
 
+	delete g_graphicsContext;
+
 	UpdateConsolePosition();
 	NativeShutdown();
 

ext/rcheevos

@@ -1 +1 @@
-Subproject commit 6f02e791aa202de5eaf3e86ed269dda6d456b779
+Subproject commit 24dc84ca2dfbdbddebc9a26f4df225888e56a4f4