public RenderTarget(ShaderResourceView srv, RenderTargetView rtv)
{
using (var tex = rtv.ResourceAs <Texture2D>()) {
Dimension = Texture.Dimension.Texture2D;
Width = tex.Description.Width;
Height = tex.Description.Height;
Format = tex.Description.Format;
}
Update(srv, rtv);
}
public virtual void Apply(DeviceContext context, ShaderResourceView source, RenderTargetView destination, float scale = 1f, float offset = 0f)
{
context.OutputMerger.SetTargets(destination);
context.PixelShader.SetShaderResource(0, source);
Texture2D tex2D = destination.ResourceAs <Texture2D>();
context.Rasterizer.SetViewport(0f, 0f, (float)tex2D.Description.Width, (float)tex2D.Description.Height, 0f, 1f);
tex2D.Dispose();
ScreenQuad.Draw(context, scale, offset);
}
public void Update(ShaderResourceView srv, RenderTargetView rtv)
{
Clear();
using (var tex = rtv.ResourceAs <Texture2D>()) {
Width = tex.Description.Width;
Height = tex.Description.Height;
Format = tex.Description.Format;
SRV = srv;
View = rtv;
}
}
protected override void CreateSizeDependentResources(D3DApplicationBase app)
{
RemoveAndDispose(ref renderTargetSRV);
RemoveAndDispose(ref resolvedTargetSRV);
RemoveAndDispose(ref altRenderTargetRTV);
RemoveAndDispose(ref altRenderTargetSRV);
RemoveAndDispose(ref altRenderTargetUAV);
RemoveAndDispose(ref altRenderTargetUIntUAV);
RemoveAndDispose(ref renderTarget);
RemoveAndDispose(ref resolvedTarget);
base.CreateSizeDependentResources(app);
#region Image Processing
var device = this.DeviceManager.Direct3DDevice;
renderTarget = ToDispose(RenderTargetView.ResourceAs <Texture2D>());
{
renderTarget.DebugName = "Render Target";
renderTargetSRV = ToDispose(new ShaderResourceView(device, renderTarget));
// Initialize a target to resolve multi-sampled render target
var resolvedDesc = renderTarget.Description;
resolvedDesc.BindFlags = BindFlags.ShaderResource;
resolvedDesc.SampleDescription = new SampleDescription(1, 0);
resolvedTarget = ToDispose(new Texture2D(device, resolvedDesc));
{
resolvedTargetSRV = ToDispose(new ShaderResourceView(device, resolvedTarget));
}
// Create two alternative render targets
// These are specially configured so they can be bound as SRV, RTV, and UAV
// and also as a R32_UInt UAV (read/write to texture resource support)
var rtDesc = renderTarget.Description;
rtDesc.BindFlags = BindFlags.ShaderResource | BindFlags.RenderTarget | BindFlags.UnorderedAccess;
rtDesc.SampleDescription = new SampleDescription(1, 0);
rtDesc.Format = Format.R8G8B8A8_Typeless; // so it can be bound to the R32_UInt UAV
rtDesc.MipLevels = 0;
using (var altTarget = new Texture2D(device, rtDesc))
{
altRenderTargetRTV = ToDispose(new RenderTargetView(device, altTarget
, new RenderTargetViewDescription
{
Format = Format.R8G8B8A8_UNorm,
Dimension = RenderTargetViewDimension.Texture2D
}
));
altRenderTargetSRV = ToDispose(new ShaderResourceView(device, altTarget
, new ShaderResourceViewDescription
{
Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D,
Format = Format.R8G8B8A8_UNorm,
Texture2D = new ShaderResourceViewDescription.Texture2DResource
{
MipLevels = 1,
MostDetailedMip = 0
}
}
));
altRenderTargetUAV = ToDispose(new UnorderedAccessView(device, altTarget
, new UnorderedAccessViewDescription
{
Dimension = UnorderedAccessViewDimension.Texture2D,
Format = Format.R8G8B8A8_UNorm,
}
));
altRenderTargetUIntUAV = ToDispose(new UnorderedAccessView(device, altTarget
, new UnorderedAccessViewDescription
{
Dimension = UnorderedAccessViewDimension.Texture2D,
Format = Format.R32_UInt,
}
));
}
using (var alt2Target = new Texture2D(device, rtDesc))
{
alt2RenderTargetRTV = ToDispose(new RenderTargetView(device, alt2Target
, new RenderTargetViewDescription
{
Format = Format.R8G8B8A8_UNorm,
Dimension = RenderTargetViewDimension.Texture2D
}
));
alt2RenderTargetSRV = ToDispose(new ShaderResourceView(device, alt2Target
, new ShaderResourceViewDescription
{
Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D,
Format = Format.R8G8B8A8_UNorm,
Texture2D = new ShaderResourceViewDescription.Texture2DResource
{
MipLevels = 1,
MostDetailedMip = 0
}
}
));
alt2RenderTargetUAV = ToDispose(new UnorderedAccessView(device, alt2Target
, new UnorderedAccessViewDescription
{
Dimension = UnorderedAccessViewDimension.Texture2D,
Format = Format.R8G8B8A8_UNorm,
}
));
alt2RenderTargetUIntUAV = ToDispose(new UnorderedAccessView(device, alt2Target
, new UnorderedAccessViewDescription
{
Dimension = UnorderedAccessViewDimension.Texture2D,
Format = Format.R32_UInt,
}
));
}
}
#endregion
}
