/// <inveritdoc/>
public override void RenderAll()
{
SurfaceViewData viewData = null;
var regionToDraw = new SharpDX.Mathematics.Rectangle(0, 0, pixelWidth, pixelHeight);
SharpDX.Mathematics.Interop.RawPoint rawPosition;
// Unlike other targets, we can only get the DXGI surface to render to
// just before rendering.
using (var surface = surfaceImageSourceNative.BeginDraw(regionToDraw, out rawPosition))
{
position = rawPosition;
// Cache DXGI surface in order to avoid recreate all render target view, depth stencil...etc.
// Is it the right way to do it?
// It seems that ISurfaceImageSourceNative.BeginDraw is returning 2 different DXGI surfaces (when the application is in foreground)
// or different DXGI surfaces (when the application is in background).
foreach (var surfaceViewData in viewDatas)
{
if (surfaceViewData.SurfacePointer == surface.NativePointer)
{
viewData = surfaceViewData;
break;
}
}
if (viewData == null)
{
viewData = viewDatas[nextViewDataIndex];
nextViewDataIndex = (nextViewDataIndex + 1) % viewDatas.Length;
// Make sure that previous was disposed.
viewData.Dispose();
viewData.SurfacePointer = surface.NativePointer;
// Allocate a new renderTargetView if size is different
// Cache the rendertarget dimensions in our helper class for convenient use.
viewData.BackBuffer = surface.QueryInterface<SharpDX.Direct3D11.Texture2D>();
{
var desc = viewData.BackBuffer.Description;
viewData.RenderTargetSize = new Size(desc.Width, desc.Height);
viewData.RenderTargetView = new SharpDX.Direct3D11.RenderTargetView(DeviceManager.DeviceDirect3D, viewData.BackBuffer);
}
// Create a descriptor for the depth/stencil buffer.
// Allocate a 2-D surface as the depth/stencil buffer.
// Create a DepthStencil view on this surface to use on bind.
// TODO: Recreate a DepthStencilBuffer is inefficient. We should only have one depth buffer. Shared depth buffer?
using (var depthBuffer = new SharpDX.Direct3D11.Texture2D(DeviceManager.DeviceDirect3D, new SharpDX.Direct3D11.Texture2DDescription()
{
Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt,
ArraySize = 1,
MipLevels = 1,
Width = (int)viewData.RenderTargetSize.Width,
Height = (int)viewData.RenderTargetSize.Height,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
BindFlags = SharpDX.Direct3D11.BindFlags.DepthStencil,
}))
viewData.DepthStencilView = new SharpDX.Direct3D11.DepthStencilView(DeviceManager.DeviceDirect3D, depthBuffer, new SharpDX.Direct3D11.DepthStencilViewDescription() { Dimension = SharpDX.Direct3D11.DepthStencilViewDimension.Texture2D });
// Now we set up the Direct2D render target bitmap linked to the swapchain.
// Whenever we render to this bitmap, it will be directly rendered to the
// swapchain associated with the window.
var bitmapProperties = new SharpDX.Direct2D1.BitmapProperties1(
new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied),
DeviceManager.Dpi,
DeviceManager.Dpi,
SharpDX.Direct2D1.BitmapOptions.Target | SharpDX.Direct2D1.BitmapOptions.CannotDraw);
// Direct2D needs the dxgi version of the backbuffer surface pointer.
// Get a D2D surface from the DXGI back buffer to use as the D2D render target.
viewData.BitmapTarget = new SharpDX.Direct2D1.Bitmap1(DeviceManager.ContextDirect2D, surface, bitmapProperties);
// Create a viewport descriptor of the full window size.
viewData.Viewport = new SharpDX.Mathematics.ViewportF(position.X, position.Y, (float)viewData.RenderTargetSize.Width - position.X, (float)viewData.RenderTargetSize.Height - position.Y, 0.0f, 1.0f);
}
backBuffer = viewData.BackBuffer;
renderTargetView = viewData.RenderTargetView;
depthStencilView = viewData.DepthStencilView;
RenderTargetBounds = new Rect(viewData.Viewport.X, viewData.Viewport.Y, viewData.Viewport.Width, viewData.Viewport.Height);
bitmapTarget = viewData.BitmapTarget;
DeviceManager.ContextDirect2D.Target = viewData.BitmapTarget;
// Set the current viewport using the descriptor.
DeviceManager.ContextDirect3D.Rasterizer.SetViewport(viewData.Viewport);
// Perform the actual rendering of this target
base.RenderAll();
}
surfaceImageSourceNative.EndDraw();
}
/// <inveritdoc/>
public override void RenderAll()
{
SurfaceViewData viewData = null;
var regionToDraw = new SharpDX.Mathematics.Rectangle(0, 0, pixelWidth, pixelHeight);
SharpDX.Mathematics.Interop.RawPoint rawPosition;
// Unlike other targets, we can only get the DXGI surface to render to
// just before rendering.
using (var surface = surfaceImageSourceNative.BeginDraw(regionToDraw, out rawPosition))
{
position = rawPosition;
// Cache DXGI surface in order to avoid recreate all render target view, depth stencil...etc.
// Is it the right way to do it?
// It seems that ISurfaceImageSourceNative.BeginDraw is returning 2 different DXGI surfaces (when the application is in foreground)
// or different DXGI surfaces (when the application is in background).
foreach (var surfaceViewData in viewDatas)
{
if (surfaceViewData.SurfacePointer == surface.NativePointer)
{
viewData = surfaceViewData;
break;
}
}
if (viewData == null)
{
viewData = viewDatas[nextViewDataIndex];
nextViewDataIndex = (nextViewDataIndex + 1) % viewDatas.Length;
// Make sure that previous was disposed.
viewData.Dispose();
viewData.SurfacePointer = surface.NativePointer;
// Allocate a new renderTargetView if size is different
// Cache the rendertarget dimensions in our helper class for convenient use.
viewData.BackBuffer = surface.QueryInterface <SharpDX.Direct3D11.Texture2D>();
{
var desc = viewData.BackBuffer.Description;
viewData.RenderTargetSize = new Size(desc.Width, desc.Height);
viewData.RenderTargetView = new SharpDX.Direct3D11.RenderTargetView(DeviceManager.DeviceDirect3D, viewData.BackBuffer);
}
// Create a descriptor for the depth/stencil buffer.
// Allocate a 2-D surface as the depth/stencil buffer.
// Create a DepthStencil view on this surface to use on bind.
// TODO: Recreate a DepthStencilBuffer is inefficient. We should only have one depth buffer. Shared depth buffer?
using (var depthBuffer = new SharpDX.Direct3D11.Texture2D(DeviceManager.DeviceDirect3D, new SharpDX.Direct3D11.Texture2DDescription()
{
Format = SharpDX.DXGI.Format.D24_UNorm_S8_UInt,
ArraySize = 1,
MipLevels = 1,
Width = (int)viewData.RenderTargetSize.Width,
Height = (int)viewData.RenderTargetSize.Height,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
BindFlags = SharpDX.Direct3D11.BindFlags.DepthStencil,
}))
viewData.DepthStencilView = new SharpDX.Direct3D11.DepthStencilView(DeviceManager.DeviceDirect3D, depthBuffer, new SharpDX.Direct3D11.DepthStencilViewDescription()
{
Dimension = SharpDX.Direct3D11.DepthStencilViewDimension.Texture2D
});
// Now we set up the Direct2D render target bitmap linked to the swapchain.
// Whenever we render to this bitmap, it will be directly rendered to the
// swapchain associated with the window.
var bitmapProperties = new SharpDX.Direct2D1.BitmapProperties1(
new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied),
DeviceManager.Dpi,
DeviceManager.Dpi,
SharpDX.Direct2D1.BitmapOptions.Target | SharpDX.Direct2D1.BitmapOptions.CannotDraw);
// Direct2D needs the dxgi version of the backbuffer surface pointer.
// Get a D2D surface from the DXGI back buffer to use as the D2D render target.
viewData.BitmapTarget = new SharpDX.Direct2D1.Bitmap1(DeviceManager.ContextDirect2D, surface, bitmapProperties);
// Create a viewport descriptor of the full window size.
viewData.Viewport = new SharpDX.Mathematics.ViewportF(position.X, position.Y, (float)viewData.RenderTargetSize.Width - position.X, (float)viewData.RenderTargetSize.Height - position.Y, 0.0f, 1.0f);
}
backBuffer = viewData.BackBuffer;
renderTargetView = viewData.RenderTargetView;
depthStencilView = viewData.DepthStencilView;
RenderTargetBounds = new Rect(viewData.Viewport.X, viewData.Viewport.Y, viewData.Viewport.Width, viewData.Viewport.Height);
bitmapTarget = viewData.BitmapTarget;
DeviceManager.ContextDirect2D.Target = viewData.BitmapTarget;
// Set the current viewport using the descriptor.
DeviceManager.ContextDirect3D.Rasterizer.SetViewport(viewData.Viewport);
// Perform the actual rendering of this target
base.RenderAll();
}
surfaceImageSourceNative.EndDraw();
}
