D3D11: Fixed frame buffer auto resizing.

src/renderer_d3d11.cpp

@@ -1233,6 +1233,11 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 			DX_RELEASE(m_backBufferDepthStencil, 0);
 			DX_RELEASE(m_backBufferColor, 0);
 
+			for (uint32_t ii = 0; ii < BX_COUNTOF(m_frameBuffers); ++ii)
+			{
+				m_frameBuffers[ii].preReset();
+			}
+
 //			invalidateCache();
 
 			capturePreReset();
@@ -1274,6 +1279,11 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 			m_currentColor = m_backBufferColor;
 			m_currentDepthStencil = m_backBufferDepthStencil;
 
+			for (uint32_t ii = 0; ii < BX_COUNTOF(m_frameBuffers); ++ii)
+			{
+				m_frameBuffers[ii].postReset();
+			}
+
 			capturePostReset();
 		}
 
@@ -3016,35 +3026,10 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 		m_dsv       = NULL;
 		m_swapChain = NULL;
 
-		m_num = 0;
-		for (uint32_t ii = 0; ii < _num; ++ii)
-		{
-			TextureHandle handle = _handles[ii];
-			if (isValid(handle) )
-			{
-				const TextureD3D11& texture = s_renderD3D11->m_textures[handle.idx];
-				if (isDepth( (TextureFormat::Enum)texture.m_textureFormat) )
-				{
-					BX_CHECK(NULL == m_dsv, "Frame buffer already has depth-stencil attached.");
-
-					const uint32_t msaaQuality = bx::uint32_satsub( (texture.m_flags&BGFX_TEXTURE_RT_MSAA_MASK)>>BGFX_TEXTURE_RT_MSAA_SHIFT, 1);
-					const DXGI_SAMPLE_DESC& msaa = s_msaa[msaaQuality];
+		m_numTh = _num;
+		memcpy(m_th, _handles, _num*sizeof(TextureHandle) );
 
-					D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
-					dsvDesc.Format = s_textureFormat[texture.m_textureFormat].m_fmtDsv;
-					dsvDesc.ViewDimension = 1 < msaa.Count ? D3D11_DSV_DIMENSION_TEXTURE2DMS : D3D11_DSV_DIMENSION_TEXTURE2D;
-					dsvDesc.Flags = 0;
-					dsvDesc.Texture2D.MipSlice = 0;
-					DX_CHECK(s_renderD3D11->m_device->CreateDepthStencilView(texture.m_ptr, &dsvDesc, &m_dsv) );
-				}
-				else
-				{
-					DX_CHECK(s_renderD3D11->m_device->CreateRenderTargetView(texture.m_ptr, NULL, &m_rtv[m_num]) );
-					DX_CHECK(s_renderD3D11->m_device->CreateShaderResourceView(texture.m_ptr, NULL, &m_srv[m_num]) );
-					m_num++;
-				}
-			}
-		}
+		postReset();
 	}
 
 	void FrameBufferD3D11::create(uint16_t _denseIdx, void* _nwh, uint32_t _width, uint32_t _height, TextureFormat::Enum _depthFormat)
@@ -3075,6 +3060,21 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 	}
 
 	uint16_t FrameBufferD3D11::destroy()
+	{
+		preReset();
+
+		DX_RELEASE(m_swapChain, 0);
+
+		m_num = 0;
+		m_numTh = 0;
+
+		uint16_t denseIdx = m_denseIdx;
+		m_denseIdx = UINT16_MAX;
+
+		return denseIdx;
+	}
+
+	void FrameBufferD3D11::preReset()
 	{
 		for (uint32_t ii = 0, num = m_num; ii < num; ++ii)
 		{
@@ -3083,14 +3083,42 @@ BX_PRAGMA_DIAGNOSTIC_POP();
 		}
 
 		DX_RELEASE(m_dsv, 0);
-		DX_RELEASE(m_swapChain, 0);
+	}
 
-		m_num = 0;
+	void FrameBufferD3D11::postReset()
+	{
+		if (0 < m_numTh)
+		{
+			m_num = 0;
+			for (uint32_t ii = 0; ii < m_numTh; ++ii)
+			{
+				TextureHandle handle = m_th[ii];
+				if (isValid(handle) )
+				{
+					const TextureD3D11& texture = s_renderD3D11->m_textures[handle.idx];
+					if (isDepth( (TextureFormat::Enum)texture.m_textureFormat) )
+					{
+						BX_CHECK(NULL == m_dsv, "Frame buffer already has depth-stencil attached.");
 
-		uint16_t denseIdx = m_denseIdx;
-		m_denseIdx = UINT16_MAX;
+						const uint32_t msaaQuality = bx::uint32_satsub( (texture.m_flags&BGFX_TEXTURE_RT_MSAA_MASK)>>BGFX_TEXTURE_RT_MSAA_SHIFT, 1);
+						const DXGI_SAMPLE_DESC& msaa = s_msaa[msaaQuality];
 
-		return denseIdx;
+						D3D11_DEPTH_STENCIL_VIEW_DESC dsvDesc;
+						dsvDesc.Format = s_textureFormat[texture.m_textureFormat].m_fmtDsv;
+						dsvDesc.ViewDimension = 1 < msaa.Count ? D3D11_DSV_DIMENSION_TEXTURE2DMS : D3D11_DSV_DIMENSION_TEXTURE2D;
+						dsvDesc.Flags = 0;
+						dsvDesc.Texture2D.MipSlice = 0;
+						DX_CHECK(s_renderD3D11->m_device->CreateDepthStencilView(texture.m_ptr, &dsvDesc, &m_dsv) );
+					}
+					else
+					{
+						DX_CHECK(s_renderD3D11->m_device->CreateRenderTargetView(texture.m_ptr, NULL, &m_rtv[m_num]) );
+						DX_CHECK(s_renderD3D11->m_device->CreateShaderResourceView(texture.m_ptr, NULL, &m_srv[m_num]) );
+						m_num++;
+					}
+				}
+			}
+		}
 	}
 
 	void FrameBufferD3D11::resolve()

src/renderer_d3d11.h

@@ -287,12 +287,16 @@ namespace bgfx { namespace d3d11
 		FrameBufferD3D11()
 			: m_denseIdx(UINT16_MAX)
 			, m_num(0)
+			, m_numTh(0)
+			, m_dsv(NULL)
 		{
 		}
 
 		void create(uint8_t _num, const TextureHandle* _handles);
 		void create(uint16_t _denseIdx, void* _nwh, uint32_t _width, uint32_t _height, TextureFormat::Enum _depthFormat);
 		uint16_t destroy();
+		void preReset();
+		void postReset();
 		void resolve();
 		void clear(const Clear& _clear, const float _palette[][4]);
 
@@ -302,6 +306,8 @@ namespace bgfx { namespace d3d11
 		IDXGISwapChain* m_swapChain;
 		uint16_t m_denseIdx;
 		uint8_t m_num;
+		uint8_t m_numTh;
+		TextureHandle m_th[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS];
 	};
 
 } /*  namespace d3d11 */ } // namespace bgfx

src/renderer_gl.cpp

@@ -1948,8 +1948,7 @@ namespace bgfx { namespace gl
 
 				for (uint32_t ii = 0; ii < BX_COUNTOF(m_frameBuffers); ++ii)
 				{
-					FrameBufferGL& frameBuffer = m_frameBuffers[ii];
-					frameBuffer.postReset();
+					m_frameBuffers[ii].postReset();
 				}
 
 				ovrPreReset();
@@ -4273,11 +4272,10 @@ namespace bgfx { namespace gl
 	void FrameBufferGL::create(uint8_t _num, const TextureHandle* _handles)
 	{
 		GL_CHECK(glGenFramebuffers(1, &m_fbo[0]) );
-		for (uint32_t ii = 0; ii < _num; ++ii)
-		{
-			m_th[ii] = _handles[ii];
-		}
+
 		m_numTh = _num;
+		memcpy(m_th, _handles, _num*sizeof(TextureHandle) );
+
 		postReset();
 	}