TextureCacheD3D11: Fix resource lifecycle

GPU/D3D11/GPU_D3D11.cpp

@@ -76,7 +76,6 @@ GPU_D3D11::GPU_D3D11(GraphicsContext *gfxCtx, Draw::DrawContext *draw)
 }
 
 void GPU_D3D11::FinishInitOnMainThread() {
-	textureCacheD3D11_->InitDeviceObjects();
 	stockD3D11.Create(device_);
 }
 
@@ -111,14 +110,12 @@ void GPU_D3D11::DeviceLost() {
 	// FBOs appear to survive? Or no?
 	shaderManager_->ClearShaders();
 	drawEngine_.ClearInputLayoutMap();
-	textureCache_->Clear(false);
 
 	GPUCommonHW::DeviceLost();
 }
 
 void GPU_D3D11::DeviceRestore(Draw::DrawContext *draw) {
 	GPUCommonHW::DeviceRestore(draw);
-	// Nothing needed.
 }
 
 void GPU_D3D11::BeginHostFrame() {

GPU/D3D11/TextureCacheD3D11.cpp

@@ -140,6 +140,7 @@ TextureCacheD3D11::TextureCacheD3D11(Draw::DrawContext *draw, Draw2D *draw2D)
 
 TextureCacheD3D11::~TextureCacheD3D11() {
 	Clear(true);
+	DestroyDeviceObjects();
 }
 
 void TextureCacheD3D11::InitDeviceObjects() {
@@ -148,6 +149,21 @@ void TextureCacheD3D11::InitDeviceObjects() {
 	_dbg_assert_(SUCCEEDED(hr));
 }
 
+void TextureCacheD3D11::DestroyDeviceObjects() {
+	depalConstants_.Reset();
+}
+
+void TextureCacheD3D11::DeviceLost() {
+	Clear(false);
+	DestroyDeviceObjects();
+	draw_ = nullptr;
+}
+
+void TextureCacheD3D11::DeviceRestore(Draw::DrawContext *draw) { 
+	draw_ = draw;
+	InitDeviceObjects();
+}
+
 void TextureCacheD3D11::SetFramebufferManager(FramebufferManagerD3D11 *fbManager) {
 	framebufferManager_ = fbManager;
 }

GPU/D3D11/TextureCacheD3D11.h

@@ -55,10 +55,11 @@ public:
 
 	bool GetCurrentTextureDebug(GPUDebugBuffer &buffer, int level, bool *isFramebuffer) override;
 
-	void DeviceLost() override { draw_ = nullptr; }
-	void DeviceRestore(Draw::DrawContext *draw) override { draw_ = draw; }
+	void DeviceLost() override;
+	void DeviceRestore(Draw::DrawContext *draw) override;
 
 	void InitDeviceObjects();
+	void DestroyDeviceObjects();
 
 protected:
 	void BindTexture(TexCacheEntry *entry) override;