Remove function InitClear. Was only implemented for DX9, and only barely meaningful in non-buffered.

Core/HLE/sceDisplay.cpp

@@ -285,10 +285,6 @@ void __DisplayDoState(PointerWrap &p) {
 
 	if (p.mode == p.MODE_READ) {
 		gpu->ReapplyGfxState();
-
-		if (hasSetMode) {
-			gpu->InitClear();
-		}
 		gpu->SetDisplayFramebuffer(framebuf.topaddr, framebuf.stride, framebuf.fmt);
 	}
 }
@@ -749,10 +745,7 @@ static u32 sceDisplaySetMode(int displayMode, int displayWidth, int displayHeigh
 		return hleLogWarning(SCEDISPLAY, SCE_KERNEL_ERROR_INVALID_SIZE, "invalid size");
 	}
 
-	if (!hasSetMode) {
-		gpu->InitClear();
-		hasSetMode = true;
-	}
+	hasSetMode = true;
 	mode = displayMode;
 	width = displayWidth;
 	height = displayHeight;

GPU/D3D11/GPU_D3D11.cpp

@@ -127,12 +127,6 @@ void GPU_D3D11::DeviceRestore() {
 	// Nothing needed.
 }
 
-void GPU_D3D11::InitClear() {
-	if (!framebufferManager_->UseBufferedRendering()) {
-		// device_->Clear(0, NULL, D3DCLEAR_STENCIL | D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0, 0, 0), 1.f, 0);
-	}
-}
-
 void GPU_D3D11::BeginFrame() {
 	GPUCommonHW::BeginFrame();
 

GPU/D3D11/GPU_D3D11.h

@@ -48,7 +48,6 @@ protected:
 	void FinishDeferred() override;
 
 private:
-	void InitClear() override;
 	void BeginFrame() override;
 
 	ID3D11Device *device_;

GPU/Directx9/GPU_DX9.cpp

@@ -110,14 +110,6 @@ void GPU_DX9::DeviceLost() {
 	GPUCommonHW::DeviceLost();
 }
 
-void GPU_DX9::InitClear() {
-	if (!framebufferManager_->UseBufferedRendering()) {
-		dxstate.depthWrite.set(true);
-		dxstate.colorMask.set(0xF);
-		device_->Clear(0, NULL, D3DCLEAR_STENCIL|D3DCLEAR_TARGET|D3DCLEAR_ZBUFFER, D3DCOLOR_XRGB(0, 0, 0), 1.f, 0);
-	}
-}
-
 void GPU_DX9::ReapplyGfxState() {
 	dxstate.Restore();
 	GPUCommonHW::ReapplyGfxState();

GPU/Directx9/GPU_DX9.h

@@ -48,7 +48,6 @@ protected:
 	void FinishDeferred() override;
 
 private:
-	void InitClear() override;
 	void BeginFrame() override;
 
 	LPDIRECT3DDEVICE9 device_;

GPU/GLES/GPU_GLES.cpp

@@ -256,9 +256,6 @@ void GPU_GLES::DeviceRestore() {
 	fragmentTestCache_.DeviceRestore(draw_);
 }
 
-void GPU_GLES::InitClear() {
-}
-
 void GPU_GLES::BeginHostFrame() {
 	GPUCommonHW::BeginHostFrame();
 	drawEngine_.BeginFrame();

GPU/GLES/GPU_GLES.h

@@ -62,7 +62,6 @@ protected:
 private:
 	void BuildReportingInfo() override;
 
-	void InitClear() override;
 	void BeginFrame() override;
 
 	FramebufferManagerGLES *framebufferManagerGL_;

GPU/GPUCommon.h

@@ -131,7 +131,6 @@ public:
 
 	void SetDisplayFramebuffer(u32 framebuf, u32 stride, GEBufferFormat format) override;
 	void CopyDisplayToOutput(bool reallyDirty) override = 0;
-	void InitClear() override = 0;
 	bool PerformMemoryCopy(u32 dest, u32 src, int size, GPUCopyFlag flags = GPUCopyFlag::NONE) override;
 	bool PerformMemorySet(u32 dest, u8 v, int size) override;
 	bool PerformReadbackToMemory(u32 dest, int size) override;

GPU/GPUInterface.h

@@ -192,7 +192,6 @@ public:
 	virtual bool IsReady() = 0;
 	virtual void CancelReady() = 0;
 	virtual bool IsStarted() = 0;
-	virtual void InitClear() = 0;
 	virtual void Reinitialize() = 0;
 
 	// Frame managment

GPU/Software/SoftGpu.h

@@ -129,7 +129,6 @@ public:
 
 	u32 CheckGPUFeatures() const override { return 0; }
 	bool IsStarted() override;
-	void InitClear() override {}
 	void ExecuteOp(u32 op, u32 diff) override;
 	void FinishDeferred() override;
 	int ListSync(int listid, int mode) override;

GPU/Vulkan/GPU_Vulkan.cpp

@@ -389,12 +389,6 @@ void GPU_Vulkan::BuildReportingInfo() {
 	Reporting::UpdateConfig();
 }
 
-void GPU_Vulkan::InitClear() {
-	if (!framebufferManager_->UseBufferedRendering()) {
-		// TODO?
-	}
-}
-
 void GPU_Vulkan::FinishDeferred() {
 	drawEngine_.FinishDeferred();
 }

GPU/Vulkan/GPU_Vulkan.h

@@ -67,7 +67,6 @@ protected:
 
 private:
 	void BuildReportingInfo() override;
-	void InitClear() override;
 
 	void InitDeviceObjects();
 	void DestroyDeviceObjects();