private ShaderResourceViewProxy CreateRenderTarget(int width, int height, MSAALevel msaa)
{
#if MSAA
MSAA = msaa;
#endif
TargetWidth = width;
TargetHeight = height;
DisposeBuffers();
ColorBufferSampleDesc = GetMSAASampleDescription();
OnCreateRenderTargetAndDepthBuffers(width, height, UseDepthStencilBuffer, out colorBuffer, out depthStencilBuffer);
backBuffer = OnCreateBackBuffer(width, height);
backBuffer.CreateRenderTargetView();
fullResPPBuffer = Collect(new PingPongColorBuffers(Format, width, height, this.deviceResources));
fullResDepthStencilPool = Collect(new TexturePool(this.deviceResources, new Texture2DDescription()
{
Width = width,
Height = height,
ArraySize = 1,
BindFlags = BindFlags.DepthStencil,
CpuAccessFlags = CpuAccessFlags.None,
Usage = ResourceUsage.Default,
MipLevels = 1,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0)
}));
Initialized = true;
OnNewBufferCreated?.Invoke(this, new Texture2DArgs(backBuffer));
return(backBuffer);
}
private ShaderResourceViewProxy CreateRenderTarget(int width, int height, MSAALevel msaa)
{
#if MSAA
MSAA = msaa;
#endif
TargetWidth = width;
TargetHeight = height;
DisposeBuffers();
ColorBufferSampleDesc = GetMSAASampleDescription();
OnCreateRenderTargetAndDepthBuffers(width, height, UseDepthStencilBuffer, out colorBuffer, out depthStencilBuffer);
backBuffer = OnCreateBackBuffer(width, height);
backBuffer.CreateRenderTargetView();
Initialized = true;
OnNewBufferCreated?.Invoke(this, new Texture2DArgs(backBuffer));
return(backBuffer);
}
/// <summary>
///
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="createDepthStencilBuffer"></param>
/// <param name="colorBuffer"></param>
/// <param name="depthStencilBuffer"></param>
/// <returns></returns>
protected virtual void OnCreateRenderTargetAndDepthBuffers(int width, int height, bool createDepthStencilBuffer,
out ShaderResourceViewProxy colorBuffer, out ShaderResourceViewProxy depthStencilBuffer)
{
var sampleDesc = ColorBufferSampleDesc;
var optionFlags = ResourceOptionFlags.None;
var colordesc = new Texture2DDescription
{
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
Format = Format.B8G8R8A8_UNorm,
Width = width,
Height = height,
MipLevels = 1,
SampleDescription = sampleDesc,
Usage = ResourceUsage.Default,
OptionFlags = optionFlags,
CpuAccessFlags = CpuAccessFlags.None,
ArraySize = 1
};
colorBuffer = Collect(new ShaderResourceViewProxy(Device, colordesc));
colorBuffer.CreateRenderTargetView();
colorBuffer.CreateTextureView();
if (createDepthStencilBuffer)
{
var depthdesc = new Texture2DDescription
{
BindFlags = BindFlags.DepthStencil,
Format = Format.D32_Float_S8X24_UInt,
Width = width,
Height = height,
MipLevels = 1,
SampleDescription = sampleDesc,
Usage = ResourceUsage.Default,
OptionFlags = ResourceOptionFlags.None,
CpuAccessFlags = CpuAccessFlags.None,
ArraySize = 1,
};
depthStencilBuffer = Collect(new ShaderResourceViewProxy(Device, depthdesc));
depthStencilBuffer.CreateDepthStencilView();
}
else
{
depthStencilBuffer = null;
}
}
private void EnsureTextureResources(int w, int h, DeviceContextProxy deviceContext)
{
if (w != width || h != height)
{
RemoveAndDispose(ref ssaoView);
width = w;
height = h;
if (width > 10 && height > 10)
{
ssaoTextureDesc.Width = width;
ssaoTextureDesc.Height = height;
ssaoView = new ShaderResourceViewProxy(deviceContext, ssaoTextureDesc);
ssaoView.CreateTextureView();
ssaoView.CreateRenderTargetView();
}
}
}
private bool CreateRenderTargets(int width, int height)
{
if (currWidth == width || currHeight == height)
{
return(false);
}
DisposeAllTargets();
currWidth = width;
currHeight = height;
var tex2DDesc = new Texture2DDescription()
{
Width = width,
Height = height,
ArraySize = 1,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0),
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
Usage = ResourceUsage.Default,
CpuAccessFlags = CpuAccessFlags.None,
};
tex2DDesc.Format = Format.R32G32_Float;
minMaxZTarget0 = new ShaderResourceViewProxy(Device, tex2DDesc);
minMaxZTarget0.CreateRenderTargetView();
minMaxZTarget0.CreateTextureView();
minMaxZTarget1 = new ShaderResourceViewProxy(Device, tex2DDesc);
minMaxZTarget1.CreateRenderTargetView();
minMaxZTarget1.CreateTextureView();
minMaxZTargets[0] = minMaxZTarget0;
minMaxZTargets[1] = minMaxZTarget1;
tex2DDesc.Format = Format.R8G8B8A8_UNorm;
frontBlendingTarget = new ShaderResourceViewProxy(Device, tex2DDesc);
frontBlendingTarget.CreateRenderTargetView();
frontBlendingTarget.CreateTextureView();
backBlendingTarget = new ShaderResourceViewProxy(Device, tex2DDesc);
backBlendingTarget.CreateRenderTargetView();
backBlendingTarget.CreateTextureView();
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="createDepthStencilBuffer"></param>
/// <param name="colorBuffer"></param>
/// <param name="depthStencilBuffer"></param>
/// <returns></returns>
protected virtual void OnCreateRenderTargetAndDepthBuffers(int width, int height, bool createDepthStencilBuffer,
out ShaderResourceViewProxy colorBuffer, out ShaderResourceViewProxy depthStencilBuffer)
{
var sampleDesc = ColorBufferSampleDesc;
var optionFlags = ResourceOptionFlags.None;
var colordesc = new Texture2DDescription
{
BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource,
Format = Format,
Width = width,
Height = height,
MipLevels = 1,
SampleDescription = sampleDesc,
Usage = ResourceUsage.Default,
OptionFlags = optionFlags,
CpuAccessFlags = CpuAccessFlags.None,
ArraySize = 1
};
colorBuffer = new ShaderResourceViewProxy(Device, colordesc);
colorBuffer.CreateRenderTargetView();
colorBuffer.CreateTextureView();
if (createDepthStencilBuffer)
{
var depthdesc = new Texture2DDescription
{
BindFlags = BindFlags.DepthStencil,
Format = DepthStencilFormatHelper.ComputeTextureFormat(Format.D32_Float_S8X24_UInt, out var canUseAsShaderResource),
Width = width,
Height = height,
MipLevels = 1,
SampleDescription = sampleDesc,
Usage = ResourceUsage.Default,
OptionFlags = ResourceOptionFlags.None,
CpuAccessFlags = CpuAccessFlags.None,
ArraySize = 1,
};
canUseAsShaderResource &= !HasMSAA;
if (canUseAsShaderResource)
{
depthdesc.BindFlags |= BindFlags.ShaderResource;
}
depthStencilBuffer = new ShaderResourceViewProxy(Device, depthdesc);
depthStencilBuffer.CreateDepthStencilView(
new DepthStencilViewDescription()
{
Format = DepthStencilFormatHelper.ComputeDSVFormat(depthdesc.Format),
Dimension = HasMSAA ? DepthStencilViewDimension.Texture2DMultisampled : DepthStencilViewDimension.Texture2D
});
if (canUseAsShaderResource)
{
depthStencilBuffer.CreateTextureView(new ShaderResourceViewDescription()
{
Format = DepthStencilFormatHelper.ComputeSRVFormat(depthdesc.Format),
Dimension = global::SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D,
Texture2D = new ShaderResourceViewDescription.Texture2DResource()
{
MipLevels = depthdesc.MipLevels
}
});
}
}
else
{
depthStencilBuffer = null;
}
}
private bool CreateTextureResources(RenderContext context, DeviceContextProxy deviceContext)
{
var currSampleDesc = context.RenderHost.RenderBuffer.ColorBufferSampleDesc;
#if MSAASEPARATE
hasMSAA = currSampleDesc.Count > 1 || currSampleDesc.Quality > 0;
#endif
if (width != (int)context.ActualWidth || height != (int)context.ActualHeight ||
sampleDesc.Count != currSampleDesc.Count || sampleDesc.Quality != currSampleDesc.Quality)
{
RemoveAndDispose(ref colorTarget);
RemoveAndDispose(ref alphaTarget);
RemoveAndDispose(ref colorTargetNoMSAA);
RemoveAndDispose(ref alphaTargetNoMSAA);
sampleDesc = currSampleDesc;
width = (int)context.ActualWidth;
height = (int)context.ActualHeight;
colorDesc.Width = alphaDesc.Width = width;
colorDesc.Height = alphaDesc.Height = height;
colorDesc.SampleDescription = alphaDesc.SampleDescription = sampleDesc;
#if MSAASEPARATE
if (hasMSAA)
{
colorDesc.BindFlags = alphaDesc.BindFlags = BindFlags.RenderTarget;
}
else
#endif
{
colorDesc.BindFlags = alphaDesc.BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource;
}
colorTarget = Collect(new ShaderResourceViewProxy(Device, colorDesc));
alphaTarget = Collect(new ShaderResourceViewProxy(Device, alphaDesc));
colorTarget.CreateRenderTargetView();
alphaTarget.CreateRenderTargetView();
#if MSAASEPARATE
if (!hasMSAA)
#endif
{
alphaTarget.CreateTextureView();
colorTarget.CreateTextureView();
colorTargetNoMSAA = colorTarget;
alphaTargetNoMSAA = alphaTarget;
}
#if MSAASEPARATE
else
{
colorDesc.SampleDescription = alphaDesc.SampleDescription = new SampleDescription(1, 0);
colorDesc.BindFlags = alphaDesc.BindFlags = BindFlags.ShaderResource;
colorTargetNoMSAA = Collect(new ShaderResourceViewProxy(Device, colorDesc));
alphaTargetNoMSAA = Collect(new ShaderResourceViewProxy(Device, alphaDesc));
colorTargetNoMSAA.CreateTextureView();
alphaTargetNoMSAA.CreateTextureView();
}
#endif
InvalidateRenderer();
return(true); // Skip this frame if texture resized to reduce latency.
}
return(false);
}