/// <summary>
/// Creates a new <see cref="Sampler"/>
/// </summary>
public unsafe Sampler(
TextureAddressMode texU,
TextureAddressMode texW,
TextureAddressMode texV,
SamplerFilterType filter,
float mipLODBias = 0,
uint maxAnisotropy = 16,
SampleComparisonFunc comparisonFunc = SampleComparisonFunc.LessThan,
Rgba128 borderColor = default,
float minLOD = 0,
float maxLOD = float.MaxValue
)
{
Debug.Assert(maxAnisotropy <= 16);
Desc = new D3D12_SAMPLER_DESC
{
AddressU = (D3D12_TEXTURE_ADDRESS_MODE)texU,
AddressW = (D3D12_TEXTURE_ADDRESS_MODE)texW,
AddressV = (D3D12_TEXTURE_ADDRESS_MODE)texV,
Filter = (D3D12_FILTER)filter,
MipLODBias = mipLODBias,
MaxAnisotropy = maxAnisotropy,
ComparisonFunc = (D3D12_COMPARISON_FUNC)comparisonFunc,
MinLOD = minLOD,
MaxLOD = maxLOD,
};
Unsafe.As <float, Rgba128>(ref Desc.BorderColor[0]) = borderColor;
}
public virtual void CreateSampler(
ref D3D12_SAMPLER_DESC pDesc,
D3D12_CPU_DESCRIPTOR_HANDLE DestDescriptor
)
{
var fp = GetFunctionPointer(22);
if (m_CreateSamplerFunc == null)
{
m_CreateSamplerFunc = (CreateSamplerFunc)Marshal.GetDelegateForFunctionPointer(fp, typeof(CreateSamplerFunc));
}
m_CreateSamplerFunc(m_ptr, ref pDesc, DestDescriptor);
}
