OpenGL: Fix some confusion between gpu->BeginHostFrame and gpu->BeginFrame, fixing black screen

Core/HLE/sceDisplay.cpp

@@ -690,7 +690,8 @@ void __DisplayFlip(int cyclesLate) {
 }
 
 void hleAfterFlip(u64 userdata, int cyclesLate) {
-	gpu->BeginFrame();  // doesn't really matter if begin or end of frame.
+	gpu->PSPFrame();
+
 	PPGeNotifyFrame();
 
 	// This seems like as good a time as any to check if the config changed.

GPU/D3D11/GPU_D3D11.cpp

@@ -127,8 +127,8 @@ void GPU_D3D11::DeviceRestore(Draw::DrawContext *draw) {
 	// Nothing needed.
 }
 
-void GPU_D3D11::BeginFrame() {
+void GPU_D3D11::BeginHostFrame() {
-	GPUCommonHW::BeginFrame();
+	GPUCommonHW::BeginHostFrame();
 
 	textureCache_->StartFrame();
 	drawEngine_.BeginFrame();

GPU/D3D11/GPU_D3D11.h

@@ -44,7 +44,7 @@ protected:
 	void FinishDeferred() override;
 
 private:
-	void BeginFrame() override;
+	void BeginHostFrame() override;
 
 	ID3D11Device *device_;
 	ID3D11DeviceContext *context_;

GPU/Directx9/GPU_DX9.cpp

@@ -118,11 +118,12 @@ void GPU_DX9::ReapplyGfxState() {
 	GPUCommonHW::ReapplyGfxState();
 }
 
-void GPU_DX9::BeginFrame() {
+void GPU_DX9::BeginHostFrame() {
+	GPUCommonHW::BeginHostFrame();
+
 	textureCache_->StartFrame();
 	drawEngine_.BeginFrame();
 
-	GPUCommonHW::BeginFrame();
 	shaderManagerDX9_->DirtyLastShader();
 
 	framebufferManager_->BeginFrame();

GPU/Directx9/GPU_DX9.h

@@ -46,7 +46,7 @@ protected:
 	void FinishDeferred() override;
 
 private:
-	void BeginFrame() override;
+	void BeginHostFrame() override;
 
 	LPDIRECT3DDEVICE9 device_;
 	LPDIRECT3DDEVICE9EX deviceEx_;

GPU/GLES/GPU_GLES.cpp

@@ -245,23 +245,6 @@ void GPU_GLES::BeginHostFrame() {
 	GPUCommonHW::BeginHostFrame();
 	drawEngine_.BeginFrame();
 
-	if (gstate_c.useFlagsChanged) {
-		// TODO: It'd be better to recompile them in the background, probably?
-		// This most likely means that saw equal depth changed.
-		WARN_LOG(G3D, "Shader use flags changed, clearing all shaders and depth buffers");
-		shaderManager_->ClearShaders();
-		framebufferManager_->ClearAllDepthBuffers();
-		gstate_c.useFlagsChanged = false;
-	}
-}
-
-void GPU_GLES::EndHostFrame() {
-	drawEngine_.EndFrame();
-}
-
-void GPU_GLES::BeginFrame() {
-	GPUCommonHW::BeginFrame();
-
 	textureCache_->StartFrame();
 
 	// Save the cache from time to time. TODO: How often? We save on exit, so shouldn't need to do this all that often.
@@ -276,6 +259,18 @@ void GPU_GLES::BeginFrame() {
 	framebufferManager_->BeginFrame();
 
 	fragmentTestCache_.Decimate();
+	if (gstate_c.useFlagsChanged) {
+		// TODO: It'd be better to recompile them in the background, probably?
+		// This most likely means that saw equal depth changed.
+		WARN_LOG(G3D, "Shader use flags changed, clearing all shaders and depth buffers");
+		shaderManager_->ClearShaders();
+		framebufferManager_->ClearAllDepthBuffers();
+		gstate_c.useFlagsChanged = false;
+	}
+}
+
+void GPU_GLES::EndHostFrame() {
+	drawEngine_.EndFrame();
 }
 
 void GPU_GLES::FinishDeferred() {

GPU/GLES/GPU_GLES.h

@@ -54,8 +54,6 @@ protected:
 private:
 	void BuildReportingInfo() override;
 
-	void BeginFrame() override;
-
 	FramebufferManagerGLES *framebufferManagerGL_;
 	TextureCacheGLES *textureCacheGL_;
 	DrawEngineGLES drawEngine_;

GPU/GPUCommon.cpp

@@ -709,7 +709,7 @@ bool GPUCommon::InterpretList(DisplayList &list) {
 	return gpuState == GPUSTATE_DONE || gpuState == GPUSTATE_ERROR;
 }
 
-void GPUCommon::BeginFrame() {
+void GPUCommon::PSPFrame() {
 	immCount_ = 0;
 	if (dumpNextFrame_) {
 		NOTICE_LOG(G3D, "DUMPING THIS FRAME");

GPU/GPUCommon.h

@@ -248,7 +248,7 @@ protected:
 		}
 	}
 
-	void BeginFrame() override;
+	void PSPFrame() override;
 
 	virtual void CheckDepthUsage(VirtualFramebuffer *vfb) {}
 	virtual void FastRunLoop(DisplayList &list) = 0;

GPU/GPUCommonHW.cpp

@@ -501,8 +501,8 @@ void GPUCommonHW::UpdateCmdInfo() {
 	}
 }
 
-void GPUCommonHW::BeginFrame() {
+void GPUCommonHW::BeginHostFrame() {
-	GPUCommon::BeginFrame();
+	GPUCommon::BeginHostFrame();
 	if (drawEngineCommon_->EverUsedExactEqualDepth() && !sawExactEqualDepth_) {
 		sawExactEqualDepth_ = true;
 		gstate_c.SetUseFlags(CheckGPUFeatures());

GPU/GPUCommonHW.h

@@ -14,7 +14,7 @@ public:
 	void DeviceLost() override;
 	void DeviceRestore(Draw::DrawContext *draw) override;
 
-	void BeginFrame() override;
+	void BeginHostFrame() override;
 
 	u32 CheckGPUFeatures() const override;
 

GPU/GPUInterface.h

@@ -214,7 +214,7 @@ public:
 
 	// Framebuffer management
 	virtual void SetDisplayFramebuffer(u32 framebuf, u32 stride, GEBufferFormat format) = 0;
-	virtual void BeginFrame() = 0;  // Can be a good place to draw the "memory" framebuffer for accelerated plugins
+	virtual void PSPFrame() = 0;
 	virtual void CopyDisplayToOutput(bool reallyDirty) = 0;
 
 	// Tells the GPU to update the gpuStats structure.