public void CreateSampler(VkFilter minFilter = VkFilter.Linear, VkFilter magFilter = VkFilter.Linear,
VkSamplerMipmapMode mipmapMode = VkSamplerMipmapMode.Linear, VkSamplerAddressMode addressMode = VkSamplerAddressMode.Repeat,
float maxAnisotropy = 1.0f, float minLod = 0.0f, float maxLod = -1f)
{
VkSampler sampler;
VkSamplerCreateInfo sampInfo = VkSamplerCreateInfo.New();
sampInfo.maxAnisotropy = maxAnisotropy;
sampInfo.maxAnisotropy = 1.0f; // device->enabledFeatures.samplerAnisotropy ? device->properties.limits.maxSamplerAnisotropy : 1.0f;
//samplerInfo.anisotropyEnable = device->enabledFeatures.samplerAnisotropy;
sampInfo.addressModeU = addressMode;
sampInfo.addressModeV = addressMode;
sampInfo.addressModeW = addressMode;
sampInfo.magFilter = magFilter;
sampInfo.minFilter = minFilter;
sampInfo.mipmapMode = mipmapMode;
sampInfo.minLod = minLod;
sampInfo.maxLod = maxLod < 0f ? info.mipLevels : maxLod;
Utils.CheckResult(vkCreateSampler(Dev.VkDev, ref sampInfo, IntPtr.Zero, out sampler));
if (Descriptor.sampler.Handle != 0)
{
Dev.DestroySampler(Descriptor.sampler);
}
Descriptor.sampler = sampler;
}
internal static void GetFilterParams(
SamplerFilter filter,
out VkFilter minFilter,
out VkFilter magFilter,
out VkSamplerMipmapMode mipmapMode)
{
switch (filter)
{
case SamplerFilter.Anisotropic:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
mipmapMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.MinPoint_MagPoint_MipPoint:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipmapMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinPoint_MagPoint_MipLinear:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipmapMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.MinPoint_MagLinear_MipPoint:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Linear;
mipmapMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinPoint_MagLinear_MipLinear:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Linear;
mipmapMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.MinLinear_MagPoint_MipPoint:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Nearest;
mipmapMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinLinear_MagPoint_MipLinear:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Nearest;
mipmapMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.MinLinear_MagLinear_MipPoint:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
mipmapMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinLinear_MagLinear_MipLinear:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
mipmapMode = VkSamplerMipmapMode.Linear;
break;
default:
throw Illegal.Value<SamplerFilter>();
}
}
public SamplerDescription(float maxLod, float minLod, VkCompareOp compareOp, bool compareEnable, float mipLodBias,
VkSamplerAddressMode addressModeW, VkSamplerAddressMode addressModeV, VkSamplerAddressMode addressModeU,
VkSamplerMipmapMode mipmapMode, VkFilter minFilter, VkFilter magFilter, VkBorderColor borderColor, bool unNormalizedCoordinates)
{
MaxLod = maxLod;
MinLod = minLod;
CompareOp = compareOp;
CompareEnable = compareEnable;
MipLodBias = mipLodBias;
AddressModeW = addressModeW;
AddressModeV = addressModeV;
AddressModeU = addressModeU;
MipmapMode = mipmapMode;
MinFilter = minFilter;
MagFilter = magFilter;
BorderColor = borderColor;
UnNormalizedCoordinates = unNormalizedCoordinates;
}
public Sampler(VkFilter filter, VkSamplerMipmapMode mipmapMode,
VkSamplerAddressMode addressMode, uint mipLevels, bool anisotropyEnable, VkBorderColor borderColor = VkBorderColor.FloatOpaqueWhite)
{
// Create sampler
var samplerCreateInfo = new VkSamplerCreateInfo
{
sType = VkStructureType.SamplerCreateInfo,
magFilter = filter,
minFilter = filter,
mipmapMode = mipmapMode,
addressModeU = addressMode,
addressModeV = addressMode,
addressModeW = addressMode,
mipLodBias = 0.0f,
compareOp = VkCompareOp.Never,
minLod = 0.0f,
maxLod = mipLevels,
borderColor = borderColor,
maxAnisotropy = anisotropyEnable ? Device.Properties.limits.maxSamplerAnisotropy : 1,
anisotropyEnable = anisotropyEnable
};
handle = Device.CreateSampler(ref samplerCreateInfo);
}
private void ConvertMinFilter(TextureFilter filter, out VkFilter minFilter, out VkFilter magFilter, out VkSamplerMipmapMode mipmapMode, out VkBool32 enableComparison, out VkBool32 enableAnisotropy)
{
minFilter = magFilter = VkFilter.Nearest;
mipmapMode = VkSamplerMipmapMode.Nearest;
enableComparison = false;
enableAnisotropy = false;
switch (filter)
{
// Mip point
case TextureFilter.Point:
break;
case TextureFilter.MinLinearMagMipPoint:
minFilter = VkFilter.Linear;
break;
case TextureFilter.MinPointMagLinearMipPoint:
magFilter = VkFilter.Linear;
break;
case TextureFilter.MinMagLinearMipPoint:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
break;
// Mip linear
case TextureFilter.MinMagPointMipLinear:
mipmapMode = VkSamplerMipmapMode.Linear;
break;
case TextureFilter.MinLinearMagPointMipLinear:
mipmapMode = VkSamplerMipmapMode.Linear;
minFilter = VkFilter.Linear;
break;
case TextureFilter.MinPointMagMipLinear:
mipmapMode = VkSamplerMipmapMode.Linear;
magFilter = VkFilter.Linear;
break;
case TextureFilter.Linear:
mipmapMode = VkSamplerMipmapMode.Linear;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
break;
case TextureFilter.Anisotropic:
enableAnisotropy = true;
mipmapMode = VkSamplerMipmapMode.Linear;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
break;
// Comparison mip point
case TextureFilter.ComparisonPoint:
enableComparison = true;
break;
case TextureFilter.ComparisonMinLinearMagMipPoint:
enableComparison = true;
minFilter = VkFilter.Linear;
break;
case TextureFilter.ComparisonMinPointMagLinearMipPoint:
enableComparison = true;
magFilter = VkFilter.Linear;
break;
case TextureFilter.ComparisonMinMagLinearMipPoint:
enableComparison = true;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
break;
// Comparison mip linear
case TextureFilter.ComparisonMinMagPointMipLinear:
enableComparison = true;
mipmapMode = VkSamplerMipmapMode.Linear;
break;
case TextureFilter.ComparisonMinLinearMagPointMipLinear:
enableComparison = true;
mipmapMode = VkSamplerMipmapMode.Linear;
minFilter = VkFilter.Linear;
break;
case TextureFilter.ComparisonMinPointMagMipLinear:
enableComparison = true;
mipmapMode = VkSamplerMipmapMode.Linear;
magFilter = VkFilter.Linear;
break;
case TextureFilter.ComparisonLinear:
enableComparison = true;
mipmapMode = VkSamplerMipmapMode.Linear;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
break;
case TextureFilter.ComparisonAnisotropic:
enableComparison = true;
enableAnisotropy = true;
mipmapMode = VkSamplerMipmapMode.Linear;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public static void GetFilterProperties(
SamplerFilter filter,
out VkFilter minFilter,
out VkFilter magFilter,
out VkSamplerMipmapMode mipMode,
out bool anisotropyEnable,
out bool compareEnable)
{
anisotropyEnable = false;
compareEnable = false;
switch (filter)
{
case SamplerFilter.MinMagMipPoint:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinMagPointMipLinear:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.MinPointMagLinearMipPoint:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinPointMagMipLinear:
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.MinLinearMagMipPoint:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinLinearMagPointMipLinear:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.MinMagLinearMipPoint:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.MinMagMipLinear:
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.Anisotropic:
anisotropyEnable = true;
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.ComparisonMinMagMipPoint:
compareEnable = true;
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.ComparisonMinMagPointMipLinear:
compareEnable = true;
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.ComparisonMinPointMagLinearMipPoint:
compareEnable = true;
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.ComparisonMinPointMagMipLinear:
compareEnable = true;
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.ComparisonMinLinearMagMipPoint:
compareEnable = true;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.ComparisonMinLinearMagPointMipLinear:
compareEnable = true;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.ComparisonMinMagLinearMipPoint:
compareEnable = true;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Nearest;
break;
case SamplerFilter.ComparisonMinMagMipLinear:
compareEnable = true;
minFilter = VkFilter.Linear;
magFilter = VkFilter.Linear;
mipMode = VkSamplerMipmapMode.Linear;
break;
case SamplerFilter.ComparisonAnisotropic:
compareEnable = true;
anisotropyEnable = true;
minFilter = VkFilter.Nearest;
magFilter = VkFilter.Nearest;
mipMode = VkSamplerMipmapMode.Nearest;
break;
default:
throw Illegal.Value <SamplerFilter>();
}
}
public void CreateSampler(VkSamplerAddressMode addressMode, VkFilter minFilter = VkFilter.Linear,
VkFilter magFilter = VkFilter.Linear, VkSamplerMipmapMode mipmapMode = VkSamplerMipmapMode.Linear,
float maxAnisotropy = 1.0f, float minLod = 0.0f, float maxLod = -1f)
{
CreateSampler(minFilter, magFilter, mipmapMode, addressMode, maxAnisotropy, minLod, maxLod);
}
