Пример #1
0
        internal void AddView(MyViewKey view)
        {
            Debug.Assert(!m_views.ContainsKey(view));


            if(view.View == MyViewEnum.SrvView)
            {
                m_views[view] = new MySrvView(this, view.Fmt);
            }
            else if(view.View == MyViewEnum.UavView)
            {
                m_views[view] = new MyUavView(this, view.Fmt);
            }
            else if(view.View == MyViewEnum.RtvView)
            {
                m_views[view] = new MyRtvView(this, view.Fmt);
            }
            
        }
Пример #2
0
 internal MyBindableResource GetView(MyViewKey view)
 {
     return m_views.Get(view);
 }
Пример #3
0
        private unsafe static byte[] GetScreenData(Vector2I resolution, byte[] screenData = null)
        {
            const uint headerPadding = 256; // Need to allocate some space for the bitmap headers
            const uint bytesPerPixel = 4;
            uint imageSizeInBytes = (uint)(resolution.Size() * bytesPerPixel);
            uint dataSizeInBytes = imageSizeInBytes + headerPadding;

            byte[] returnData = null;
            if(screenData == null)
                screenData = new byte[imageSizeInBytes];
            else if(screenData.Length != imageSizeInBytes)
            {
                Debug.Fail("Preallocated buffer for GetScreenData incorrect size: " + imageSizeInBytes.ToString() + " expected, " + screenData.Length + " received");
                return returnData;
            }

            MyBindableResource imageSource = Backbuffer;
            MyBindableResource imageSourceResourceView = null;

            if (imageSource != null && (resolution.X != imageSource.GetSize().X || resolution.Y != imageSource.GetSize().Y))
            {
                MyViewKey viewKey = new MyViewKey { View = MyViewEnum.SrvView, Fmt = MyRender11Constants.DX11_BACKBUFFER_FORMAT };
                if(m_backbufferCopyResource == null)
                {
                    m_backbufferCopyResource = new MyCustomTexture(m_resolution.X, m_resolution.Y, BindFlags.ShaderResource, MyRender11Constants.DX11_BACKBUFFER_FORMAT);
                    m_backbufferCopyResource.AddView(viewKey);
                }
                MyRenderContext.Immediate.DeviceContext.CopyResource(imageSource.m_resource, m_backbufferCopyResource.m_resource);
                imageSource = m_backbufferCopyResource;
                imageSourceResourceView = m_backbufferCopyResource.GetView(viewKey);
            }

            if (imageSource == null)
                return returnData;

            if(imageSizeInBytes > int.MaxValue)
            {
                Debug.Fail("Image size too large to read!");
                return returnData;
            }

            MyBindableResource imageResource = imageSource;
            bool shouldResize = imageSourceResourceView != null;
            if (shouldResize)
            {
                imageResource = m_lastScreenDataResource;
                if (imageResource == null || (imageResource.GetSize().X != resolution.X || imageResource.GetSize().Y != resolution.Y))
                {
                    if (m_lastScreenDataResource != null && (m_lastScreenDataResource != m_backbufferCopyResource && m_lastScreenDataResource != Backbuffer))
                    {
                        m_lastScreenDataResource.Release();
                    }
                    m_lastScreenDataResource = null;

                    imageResource = new MyRenderTarget(resolution.X, resolution.Y, MyRender11Constants.DX11_BACKBUFFER_FORMAT, 1, 0);
                }
                var RC = MyRenderContext.Immediate;
                var deviceContext = RC.DeviceContext;
                deviceContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
                deviceContext.Rasterizer.SetViewport(0, 0, resolution.X, resolution.Y);
                deviceContext.PixelShader.Set(MyDebugRenderer.BlitTextureShader);
                deviceContext.PixelShader.SetConstantBuffer(MyCommon.FRAME_SLOT, MyCommon.FrameConstants);

                RC.BindDepthRT(null, DepthStencilAccess.ReadWrite, imageResource);
                RC.BindSRV(0, imageSourceResourceView);
                MyDebugRenderer.DrawQuad(0, 0, resolution.X, resolution.Y, MyScreenPass.QuadVS);
                //MyCopyToRT.Run(imageResource, imageSourceResourceView, new MyViewport(resolution));
            }

            m_lastScreenDataResource = imageResource;

            Stream dataStream = m_lastDataStream;
            if (m_lastDataStream == null || m_lastDataStream.Length != dataSizeInBytes)
            {
                if (m_lastDataStream != null)
                {
                    m_lastDataStream.Dispose();
                    m_lastDataStream = null;
                }
                dataStream = new DataStream((int)dataSizeInBytes, true, true);
                dataStream.Seek(0, SeekOrigin.Begin);
            }

            m_lastDataStream = dataStream;

            Resource.ToStream(MyRenderContext.Immediate.DeviceContext, imageResource.m_resource, ImageFileFormat.Bmp, dataStream);

            if (!(dataStream.CanRead && dataStream.CanSeek))
            {
                Debug.Fail("Screen data stream does not support the necessary operations to get the data");
                return returnData;
            }

            fixed (byte* dataPointer = screenData)
            {
                GetBmpDataFromStream(dataStream, dataPointer, imageSizeInBytes);
            }

            returnData = screenData;

            if (m_lastDataStream != null)
                m_lastDataStream.Seek(0, SeekOrigin.Begin);

            return returnData;
        }