dx11: check supported texture formats. Fix fb render not working if 1st

Check supported texture formats including mipmap and mipmap autogen.
Fall back to 8888 format.
tentative fix for MINIDUMP-17, MINIDUMP-1R and MINIDUMP-1M

RenderFramebuffer wasn't working if first render after init.

core/rend/dx11/dx11_renderer.cpp

@@ -909,6 +909,7 @@ void DX11Renderer::RenderFramebuffer(const FramebufferInfo& info)
 
 	deviceContext->UpdateSubresource(dcfbTexture, 0, nullptr, pb.data(), width * sizeof(u32), width * sizeof(u32) * height);
 
+	resize(width, height);
 	deviceContext->OMSetRenderTargets(1, &fbRenderTarget.get(), depthTexView);
 	float colors[4];
 	info.vo_border_col.getRGBColor(colors);

core/rend/dx11/dx11_texture.cpp

@@ -94,6 +94,10 @@ void DX11Texture::UploadToGPU(int width, int height, const u8* temp_tex_buffer,
 			viewDesc.Texture2D.MipLevels = desc.MipLevels == 0 ? -1 : desc.MipLevels;
 			theDX11Context.getDevice()->CreateShaderResourceView(texture, &viewDesc, &textureView.get());
 		}
+		else
+		{
+			ERROR_LOG(RENDERER, "Texture creation failed type %d dim %dx%d mipmap %d (included %d)", tex_type, width, height, mipmapped, mipmapsIncluded);
+		}
 		verify(texture != nullptr);
 		verify(textureView != nullptr);
 	}
@@ -112,6 +116,8 @@ void DX11Texture::UploadToGPU(int width, int height, const u8* temp_tex_buffer,
 #ifndef TARGET_UWP
 bool DX11Texture::Force32BitTexture(TextureType type) const
 {
+	if (!theDX11Context.textureFormatSupported(type))
+		return true;
 	if (IsWindows8OrGreater())
 		return false;
 	// DXGI_FORMAT_B5G5R5A1_UNORM, DXGI_FORMAT_B4G4R4A4_UNORM and DXGI_FORMAT_B5G6R5_UNORM

core/rend/dx11/dx11context.cpp

@@ -62,7 +62,8 @@ bool DX11Context::init(bool keepCurrentWindow)
 		D3D_FEATURE_LEVEL_10_1,
 		D3D_FEATURE_LEVEL_10_0,
 	};
-	D3D11CreateDevice(
+	HRESULT hr;
+	hr = D3D11CreateDevice(
 	    nullptr, // Specify nullptr to use the default adapter.
 	    D3D_DRIVER_TYPE_HARDWARE,
 	    nullptr,
@@ -73,6 +74,10 @@ bool DX11Context::init(bool keepCurrentWindow)
 	    &pDevice.get(),
 	    &featureLevel,
 	    &pDeviceContext.get());
+	if (FAILED(hr)) {
+		WARN_LOG(RENDERER, "D3D11 device creation failed: %x", hr);
+		return false;
+	}
 
 	ComPtr<IDXGIDevice2> dxgiDevice;
 	pDevice.as(dxgiDevice);
@@ -92,7 +97,6 @@ bool DX11Context::init(bool keepCurrentWindow)
 
 	ComPtr<IDXGIFactory2> dxgiFactory2;
 	dxgiFactory.as(dxgiFactory2);
-	HRESULT hr;
 
 	if (dxgiFactory2)
 	{
@@ -156,8 +160,10 @@ bool DX11Context::init(bool keepCurrentWindow)
 	resize();
 	shaders.init(pDevice, &D3DCompile);
 	overlay.init(pDevice, pDeviceContext, &shaders, &samplers);
-
-	return true;
+	bool success = checkTextureSupport();
+	if (!success)
+		term();
+	return success;
 }
 
 void DX11Context::term()
@@ -301,3 +307,36 @@ void DX11Context::handleDeviceLost()
 }
 #endif // !LIBRETRO
 
+bool DX11Context::checkTextureSupport()
+{
+	const DXGI_FORMAT formats[] = { DXGI_FORMAT_B5G5R5A1_UNORM, DXGI_FORMAT_B4G4R4A4_UNORM, DXGI_FORMAT_B5G6R5_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_A8_UNORM };
+	const char * const fmtNames[] = { "B5G5R5A1", "B4G4R4A4", "B5G6R5", "B8G8R8A8", "A8" };
+	const TextureType dcTexTypes[] = { TextureType::_5551, TextureType::_4444, TextureType::_565, TextureType::_8888, TextureType::_8 };
+	UINT support;
+	for (size_t i = 0; i < ARRAY_SIZE(formats); i++)
+	{
+		supportedTexFormats[(int)dcTexTypes[i]] = false;
+		pDevice->CheckFormatSupport(formats[i], &support);
+		if ((support & (D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_SHADER_SAMPLE)) != (D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_SHADER_SAMPLE))
+		{
+			if (formats[i] == DXGI_FORMAT_B8G8R8A8_UNORM)
+			{
+				// Can't do much without this format
+				ERROR_LOG(RENDERER, "Fatal: Format %s not supported", fmtNames[i]);
+				return false;
+			}
+			WARN_LOG(RENDERER, "Format %s not supported", fmtNames[i]);
+		}
+		else
+		{
+			if ((support & D3D11_FORMAT_SUPPORT_MIP) == 0)
+				WARN_LOG(RENDERER, "Format %s doesn't support mipmaps", fmtNames[i]);
+			else if ((support & (D3D11_FORMAT_SUPPORT_MIP_AUTOGEN | D3D11_FORMAT_SUPPORT_RENDER_TARGET)) != (D3D11_FORMAT_SUPPORT_MIP_AUTOGEN | D3D11_FORMAT_SUPPORT_RENDER_TARGET))
+				WARN_LOG(RENDERER, "Format %s doesn't support mipmap autogen", fmtNames[i]);
+			else
+				supportedTexFormats[(int)dcTexTypes[i]] = true;
+		}
+	}
+
+	return true;
+}

core/rend/dx11/dx11context.h

@@ -68,9 +68,13 @@ public:
 	bool hasShaderCache() const {
 		return _hasShaderCache;
 	}
+	bool textureFormatSupported(TextureType texType) {
+		return supportedTexFormats[(int)texType];
+	}
 
 private:
 	void handleDeviceLost();
+	bool checkTextureSupport();
 
 	ComPtr<ID3D11Device> pDevice;
 	ComPtr<ID3D11DeviceContext> pDeviceContext;
@@ -88,6 +92,7 @@ private:
 	DX11Shaders shaders;
 	Samplers samplers;
 	D3D_FEATURE_LEVEL featureLevel{};
+	bool supportedTexFormats[5] {}; // indexed by TextureType enum
 
 	static constexpr UINT VENDOR_INTEL = 0x8086;
 };

core/rend/dx11/dx11context_lr.cpp

@@ -53,7 +53,10 @@ bool DX11Context::init(ID3D11Device *device, ID3D11DeviceContext *deviceContext,
 
 	shaders.init(pDevice, D3DCompile);
 	overlay.init(pDevice, pDeviceContext, &shaders, &samplers);
-	return true;
+	bool success = checkTextureSupport();
+	if (!success)
+		term();
+	return success;
 }
 
 void DX11Context::term()

core/rend/dx11/dx11context_lr.h

@@ -59,7 +59,13 @@ public:
 	}
 	void drawOverlay(int width, int height);
 
+	bool textureFormatSupported(TextureType texType) {
+		return supportedTexFormats[(int)texType];
+	}
+
 private:
+	bool checkTextureSupport();
+
 	ComPtr<ID3D11Device> pDevice;
 	ComPtr<ID3D11DeviceContext> pDeviceContext;
 	pD3DCompile D3DCompile = nullptr;
@@ -69,6 +75,7 @@ private:
 	Samplers samplers;
 	DX11Overlay overlay;
 	D3D_FEATURE_LEVEL featureLevel{};
+	bool supportedTexFormats[5] {}; // indexed by TextureType enum
 
 	static constexpr UINT VENDOR_INTEL = 0x8086;
 };