/// <summary>News the render target description.</summary>
/// <param name="size">The size.</param>
/// <param name="format">The format.</param>
/// <param name="flags">The flags.</param>
/// <param name="mipCount">The mip count.</param>
/// <returns>Texture2DDescription.</returns>
protected static Texture2DDescription NewRenderTargetDescription(int size, PixelFormat format, TextureFlags flags, int mipCount)
{
var desc = Texture2DBase.NewDescription(size, size, format, flags, mipCount, 6, ResourceUsage.Default);
desc.OptionFlags = ResourceOptionFlags.TextureCube;
return(desc);
}
internal static Texture2DDescription CreateDescription(GraphicsDevice device, int width, int height, PixelFormat format, TextureFlags textureFlags, int mipCount, int arraySize, MSAALevel multiSampleCount)
{
// Make sure that the texture to create is a render target
textureFlags |= TextureFlags.RenderTarget;
var desc = Texture2DBase.NewDescription(width, height, format, textureFlags, mipCount, arraySize, ResourceUsage.Default);
// Sets the MSAALevel
int maximumMSAA = (int)device.Features[format].MSAALevelMax;
desc.SampleDescription.Count = Math.Max(1, Math.Min((int)multiSampleCount, maximumMSAA));
return(desc);
}
protected static Texture2DDescription NewDepthStencilBufferDescription(GraphicsDevice device, int width, int height, DepthFormat format, MSAALevel multiSampleCount, int arraySize, bool shaderResource)
{
var desc = Texture2DBase.NewDescription(width, height, DXGI.Format.Unknown, TextureFlags.None, 1, arraySize, ResourceUsage.Default);
desc.BindFlags |= BindFlags.DepthStencil;
if (shaderResource)
{
desc.BindFlags |= BindFlags.ShaderResource;
}
// Sets the MSAALevel
int maximumMSAA = (int)device.Features[(DXGI.Format)format].MSAALevelMax;
desc.SampleDescription.Count = Math.Max(1, Math.Min((int)multiSampleCount, maximumMSAA));
var typelessDepthFormat = (SharpDX.DXGI.Format)format;
// If shader resource view are not required, don't use a TypeLess format
if (shaderResource)
{
// Determine TypeLess Format and ShaderResourceView Format
switch (format)
{
case DepthFormat.Depth16:
typelessDepthFormat = SharpDX.DXGI.Format.R16_Typeless;
break;
case DepthFormat.Depth32:
typelessDepthFormat = SharpDX.DXGI.Format.R32_Typeless;
break;
case DepthFormat.Depth24Stencil8:
typelessDepthFormat = SharpDX.DXGI.Format.R24G8_Typeless;
break;
case DepthFormat.Depth32Stencil8X24:
typelessDepthFormat = SharpDX.DXGI.Format.R32G8X24_Typeless;
break;
default:
throw new InvalidOperationException(string.Format("Unsupported DepthFormat [{0}] for depth buffer", format));
}
}
desc.Format = typelessDepthFormat;
return(desc);
}