internal void Apply(bool hasMipmap, SamplerState oldSamplerState, TextureTarget target)
{
if (Description.MinMipLevel != oldSamplerState.Description.MinMipLevel)
{
GL.TexParameter(target, TextureParameterName.TextureMinLod, Description.MinMipLevel);
}
if (Description.MaxMipLevel != oldSamplerState.Description.MaxMipLevel)
{
GL.TexParameter(target, TextureParameterName.TextureMaxLod, Description.MaxMipLevel);
}
if (textureWrapR != oldSamplerState.textureWrapR)
{
GL.TexParameter(target, TextureParameterName.TextureWrapR, (int)textureWrapR);
}
if (compareMode != oldSamplerState.compareMode)
{
GL.TexParameter(target, TextureParameterName.TextureCompareMode, (int)compareMode);
}
if (compareFunc != oldSamplerState.compareFunc)
{
GL.TexParameter(target, TextureParameterName.TextureCompareFunc, (int)compareFunc);
}
#if !XENKO_GRAPHICS_API_OPENGLES
if (borderColor != oldSamplerState.borderColor)
{
GL.TexParameter(target, TextureParameterName.TextureBorderColor, borderColor);
}
if (Description.MipMapLevelOfDetailBias != oldSamplerState.Description.MipMapLevelOfDetailBias)
{
GL.TexParameter(target, TextureParameterName.TextureLodBias, Description.MipMapLevelOfDetailBias);
}
if (minFilter != oldSamplerState.minFilter)
{
GL.TexParameter(target, TextureParameterName.TextureMinFilter, (int)minFilter);
}
#else
// On OpenGL ES, we need to choose the appropriate min filter ourself if the texture doesn't contain mipmaps (done at PreDraw)
if (minFilter != oldSamplerState.minFilter)
{
GL.TexParameter(target, TextureParameterName.TextureMinFilter, hasMipmap ? (int)minFilter : (int)minFilterNoMipmap);
}
#endif
#if !XENKO_PLATFORM_IOS
if (maxAnisotropy != oldSamplerState.maxAnisotropy && GraphicsDevice.HasAnisotropicFiltering)
{
GL.TexParameter(target, (TextureParameterName)OpenTK.Graphics.ES20.ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, Description.MaxAnisotropy);
}
#endif
if (magFilter != oldSamplerState.magFilter)
{
GL.TexParameter(target, TextureParameterName.TextureMagFilter, (int)magFilter);
}
if (textureWrapS != oldSamplerState.textureWrapS)
{
GL.TexParameter(target, TextureParameterName.TextureWrapS, (int)textureWrapS);
}
if (textureWrapT != oldSamplerState.textureWrapT)
{
GL.TexParameter(target, TextureParameterName.TextureWrapT, (int)textureWrapT);
}
}
/// <summary>
/// Gets (or creates) an entry to the DescriptorSetLayout and gets its index.
/// </summary>
/// <returns>The future entry index.</returns>
public void AddBinding(ParameterKey key, string logicalGroup, EffectParameterClass @class, EffectParameterType type, int arraySize = 1, SamplerState immutableSampler = null)
{
hashBuilder.Write(key.Name);
hashBuilder.Write(@class);
hashBuilder.Write(arraySize);
ElementCount += arraySize;
Entries.Add(new Entry {
Key = key, LogicalGroup = logicalGroup, Class = @class, Type = type, ArraySize = arraySize, ImmutableSampler = immutableSampler
});
}