/// <summary>
/// Clear the render target
/// </summary>
/// <param name="rtv">The render target to clear</param>
/// <param name="color">The RGBA color to clear it to</param>
/// <param name="rect">The rectangles representing the sections to clear</param>
public void ClearRenderTarget(CpuHandle rtv, RgbaColor color, ReadOnlySpan <Rectangle> rect)
{
fixed(Rectangle *p = rect)
{
_list.Get()->ClearRenderTargetView(rtv.Value, &color.R, (uint)rect.Length, (RECT *)p);
}
}
/// <summary>
/// Creates a new <see cref="Sampler"/>
/// </summary>
public unsafe Sampler(
TextureAddressMode texU,
TextureAddressMode texW,
TextureAddressMode texV,
SamplerFilterType filter,
float mipLODBias,
uint maxAnisotropy,
SampleComparisonFunc comparisonFunc,
RgbaColor borderColor,
float minLOD,
float maxLOD
)
{
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, RgbaColor>(ref _desc.BorderColor[0]) = borderColor;
}
private static void TranslateStaticSamplers(ReadOnlyMemory <StaticSampler> staticSamplers, D3D12_STATIC_SAMPLER_DESC[] samplers)
{
var span = staticSamplers.Span;
for (var i = 0; i < span.Length; i++)
{
var staticSampler = span[i];
var desc = staticSampler.Sampler.GetDesc();
D3D12_STATIC_BORDER_COLOR staticBorderColor;
var borderColor = RgbaColor.FromPointer(desc.BorderColor);
if (borderColor == StaticSampler.OpaqueBlack)
{
staticBorderColor = D3D12_STATIC_BORDER_COLOR.D3D12_STATIC_BORDER_COLOR_OPAQUE_BLACK;
}
else if (borderColor == StaticSampler.OpaqueWhite)
{
staticBorderColor = D3D12_STATIC_BORDER_COLOR.D3D12_STATIC_BORDER_COLOR_OPAQUE_WHITE;
}
else if (borderColor == StaticSampler.TransparentBlack)
{
staticBorderColor = D3D12_STATIC_BORDER_COLOR.D3D12_STATIC_BORDER_COLOR_TRANSPARENT_BLACK;
}
else
{
ThrowHelper.ThrowArgumentException("Static sampler must have opaque black, opaque white, or transparent black border color");
staticBorderColor = default;
}
var sampler = new D3D12_STATIC_SAMPLER_DESC
{
AddressU = desc.AddressU,
AddressW = desc.AddressW,
AddressV = desc.AddressV,
ComparisonFunc = desc.ComparisonFunc,
BorderColor = staticBorderColor,
Filter = desc.Filter,
MaxAnisotropy = desc.MaxAnisotropy,
MaxLOD = desc.MaxLOD,
MinLOD = desc.MinLOD,
MipLODBias = desc.MipLODBias,
RegisterSpace = staticSampler.RegisterSpace,
ShaderRegister = staticSampler.ShaderRegister,
ShaderVisibility = (D3D12_SHADER_VISIBILITY)staticSampler.Visibility
};
samplers[i] = sampler;
}
}
/// <summary>
/// Clear the render target
/// </summary>
/// <param name="rtv">The render target to clear</param>
/// <param name="color">The RGBA color to clear it to</param>
/// <param name="rect">The rectangle representing the section to clear</param>
public void ClearRenderTarget(CpuHandle rtv, RgbaColor color, Rectangle rect)
{
_list.Get()->ClearRenderTargetView(rtv.Value, &color.R, 1, (RECT *)&rect);
}
