private void CreateNonMSAADepthStencilBuffer(int width, int height)
{
if (HasMSAA)
{
var depthFormat = Format.D32_Float_S8X24_UInt;
var depthdesc = new Texture2DDescription
{
BindFlags = BindFlags.DepthStencil | BindFlags.ShaderResource,
Format = DepthStencilFormatHelper.ComputeTextureFormat(depthFormat, out _),
Width = width,
Height = height,
MipLevels = 1,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default,
OptionFlags = ResourceOptionFlags.None,
CpuAccessFlags = CpuAccessFlags.None,
ArraySize = 1,
};
depthStencilBufferNoMSAA = new ShaderResourceViewProxy(Device, depthdesc);
depthStencilBufferNoMSAA.CreateDepthStencilView(new DepthStencilViewDescription()
{
Format = DepthStencilFormatHelper.ComputeDSVFormat(depthFormat),
Dimension = DepthStencilViewDimension.Texture2D
});
depthStencilBufferNoMSAA.CreateTextureView(new ShaderResourceViewDescription()
{
Format = DepthStencilFormatHelper.ComputeSRVFormat(depthFormat),
Dimension = global::SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D,
Texture2D = new ShaderResourceViewDescription.Texture2DResource()
{
MipLevels = 1
}
});
}
else
{
depthStencilBufferNoMSAA = depthStencilBuffer;
}
}
/// <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;
}
}