/// <summary>
/// Sets the render target of this D3DImage object.
/// </summary>
/// <param name="renderTarget">The render target to set.</param>
public void SetRenderTarget(D3D11.Texture2D renderTarget)
{
if (this.m_d3dRenderTarget != null)
{
this.m_d3dRenderTarget = null;
base.Lock();
base.SetBackBuffer(D3DResourceType.IDirect3DSurface9, IntPtr.Zero);
base.Unlock();
}
if (renderTarget == null)
{
return;
}
if (!IsShareable(renderTarget))
{
throw new ArgumentException("Texture must be created with ResourceOptionFlags.Shared");
}
D3D9.Format format = HigherD3DImageSource.TranslateFormat(renderTarget);
if (format == D3D9.Format.Unknown)
{
throw new ArgumentException("Texture format is not compatible with OpenSharedResource");
}
IntPtr handle = GetSharedHandle(renderTarget);
if (handle == IntPtr.Zero)
{
throw new ArgumentNullException("Handle");
}
//Map the texture to the D3DImage base class
bool tDisposed = renderTarget.IsDisposed;
float tWidth = renderTarget.Description.Width;
float tHeight = renderTarget.Description.Height;
this.m_d3dRenderTarget = new D3D9.Texture(
m_d3dDevice,
renderTarget.Description.Width,
renderTarget.Description.Height,
1, D3D9.Usage.RenderTarget, format, D3D9.Pool.Default, ref handle);
using (D3D9.Surface surface = this.m_d3dRenderTarget.GetSurfaceLevel(0))
{
base.Lock();
base.SetBackBuffer(D3DResourceType.IDirect3DSurface9, surface.NativePointer);
base.Unlock();
}
}
/// <summary>
/// Create all view resources.
/// </summary>
Tuple <D3D11.Texture2D, D3D11.RenderTargetView, D3D11.Texture2D, D3D11.DepthStencilView, SharpDX.Mathematics.Interop.RawViewportF, Size2, DpiScaling> IRenderLoopHost.OnRenderLoop_CreateViewResources(EngineDevice engineDevice)
{
// Calculate pixel with and high of this visual
Size pixelSize = this.GetPixelSize(new Size(100.0, 100.0));
int width = (int)pixelSize.Width;
int height = (int)pixelSize.Height;
//Get references to current render device
D3D11.Device renderDevice = engineDevice.DeviceD3D11_1;
D3D11.DeviceContext renderDeviceContext = renderDevice.ImmediateContext;
//Create the swap chain and the render target
m_backBufferD3D11 = GraphicsHelper.CreateRenderTargetTexture(engineDevice, width, height, m_renderLoop.ViewConfiguration);
m_backBufferForWpf = GraphicsHelper.CreateSharedTexture(engineDevice, width, height);
m_renderTarget = new D3D11.RenderTargetView(renderDevice, m_backBufferD3D11);
//Create the depth buffer
m_depthBuffer = GraphicsHelper.CreateDepthBufferTexture(engineDevice, width, height, m_renderLoop.ViewConfiguration);
m_renderTargetDepth = new D3D11.DepthStencilView(renderDevice, m_depthBuffer);
//Apply render target size values
m_renderTargetWidth = width;
m_renderTargetHeight = height;
//Define the viewport for rendering
SharpDX.Mathematics.Interop.RawViewportF viewPort = GraphicsHelper.CreateDefaultViewport(width, height);
//Apply new width and height values of the viewport
m_viewportWidth = width;
m_viewportHeight = height;
//Create and apply the image source object
m_d3dImageSource = new HigherD3DImageSource(engineDevice);
m_d3dImageSource.SetRenderTarget(m_backBufferForWpf);
if (this.Source == m_dummyBitmap)
{
this.Source = m_d3dImageSource;
}
m_lastRecreateWidth = width;
m_lastRecreateHeight = height;
//Return all generated objects
return(Tuple.Create(m_backBufferD3D11, m_renderTarget, m_depthBuffer, m_renderTargetDepth, viewPort, new Size2(width, height), GetDpiScaling()));
}
/// <summary>
/// Disposes all loaded view resources.
/// </summary>
void IRenderLoopHost.OnRenderLoop_DisposeViewResources(EngineDevice engineDevice)
{
if (m_d3dImageSource != null)
{
this.Source = m_dummyBitmap;
// Dispose the render target
m_d3dImageSource.SetRenderTarget(null);
m_d3dImageSource.Dispose();
m_d3dImageSource = null;
}
// Dispose all other resources
m_renderTarget2DDxgi = GraphicsHelper.DisposeObject(m_renderTarget2DDxgi);
m_renderTargetDepth = GraphicsHelper.DisposeObject(m_renderTargetDepth);
m_depthBuffer = GraphicsHelper.DisposeObject(m_depthBuffer);
m_renderTarget = GraphicsHelper.DisposeObject(m_renderTarget);
m_backBufferForWpf = GraphicsHelper.DisposeObject(m_backBufferForWpf);
m_backBufferD3D11 = GraphicsHelper.DisposeObject(m_backBufferD3D11);
}
