public static void ToMTLSamplerFilters(
this SamplerFilter filter,
out MTLSamplerMinMagFilter minFilter,
out MTLSamplerMinMagFilter magFilter,
out MTLSamplerMipFilter mipFilter)
{
switch (filter)
{
case SamplerFilter.MinMagMipPoint:
minFilter = magFilter = MTLSamplerMinMagFilter.Nearest;
mipFilter = MTLSamplerMipFilter.Nearest;
break;
case SamplerFilter.MinMagMipLinear:
minFilter = magFilter = MTLSamplerMinMagFilter.Linear;
mipFilter = MTLSamplerMipFilter.Linear;
break;
case SamplerFilter.Anisotropic:
minFilter = magFilter = MTLSamplerMinMagFilter.Linear;
mipFilter = MTLSamplerMipFilter.Linear;
break;
default:
throw new ArgumentOutOfRangeException(nameof(filter));
}
}
internal static void GetMinMagMipFilter(
SamplerFilter filter,
out MTLSamplerMinMagFilter min,
out MTLSamplerMinMagFilter mag,
out MTLSamplerMipFilter mip)
{
switch (filter)
{
case SamplerFilter.Anisotropic:
min = mag = MTLSamplerMinMagFilter.Linear;
mip = MTLSamplerMipFilter.Linear;
break;
case SamplerFilter.MinLinear_MagLinear_MipLinear:
min = MTLSamplerMinMagFilter.Linear;
mag = MTLSamplerMinMagFilter.Linear;
mip = MTLSamplerMipFilter.Linear;
break;
case SamplerFilter.MinLinear_MagLinear_MipPoint:
min = MTLSamplerMinMagFilter.Linear;
mag = MTLSamplerMinMagFilter.Linear;
mip = MTLSamplerMipFilter.Nearest;
break;
case SamplerFilter.MinLinear_MagPoint_MipLinear:
min = MTLSamplerMinMagFilter.Linear;
mag = MTLSamplerMinMagFilter.Nearest;
mip = MTLSamplerMipFilter.Linear;
break;
case SamplerFilter.MinLinear_MagPoint_MipPoint:
min = MTLSamplerMinMagFilter.Linear;
mag = MTLSamplerMinMagFilter.Nearest;
mip = MTLSamplerMipFilter.Nearest;
break;
case SamplerFilter.MinPoint_MagLinear_MipLinear:
min = MTLSamplerMinMagFilter.Nearest;
mag = MTLSamplerMinMagFilter.Linear;
mip = MTLSamplerMipFilter.Linear;
break;
case SamplerFilter.MinPoint_MagLinear_MipPoint:
min = MTLSamplerMinMagFilter.Nearest;
mag = MTLSamplerMinMagFilter.Linear;
mip = MTLSamplerMipFilter.Nearest;
break;
case SamplerFilter.MinPoint_MagPoint_MipLinear:
min = MTLSamplerMinMagFilter.Nearest;
mag = MTLSamplerMinMagFilter.Nearest;
mip = MTLSamplerMipFilter.Nearest;
break;
case SamplerFilter.MinPoint_MagPoint_MipPoint:
min = MTLSamplerMinMagFilter.Nearest;
mag = MTLSamplerMinMagFilter.Nearest;
mip = MTLSamplerMipFilter.Nearest;
break;
default:
throw Illegal.Value <SamplerFilter>();
}
}
