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using OpenTK.Graphics.OpenGL;
using Ryujinx.Graphics.GAL;
namespace Ryujinx.Graphics.OpenGL.Image
{
class Sampler : ISampler
{
public int Handle { get; private set; }
public Sampler(SamplerCreateInfo info)
{
Handle = GL.GenSampler();
GL.SamplerParameter(Handle, SamplerParameterName.TextureMinFilter, (int)info.MinFilter.Convert());
GL.SamplerParameter(Handle, SamplerParameterName.TextureMagFilter, (int)info.MagFilter.Convert());
if (HwCapabilities.SupportsSeamlessCubemapPerTexture)
{
GL.SamplerParameter(Handle, (SamplerParameterName)ArbSeamlessCubemapPerTexture.TextureCubeMapSeamless, info.SeamlessCubemap ? 1 : 0);
}
GL.SamplerParameter(Handle, SamplerParameterName.TextureWrapS, (int)info.AddressU.Convert());
GL.SamplerParameter(Handle, SamplerParameterName.TextureWrapT, (int)info.AddressV.Convert());
GL.SamplerParameter(Handle, SamplerParameterName.TextureWrapR, (int)info.AddressP.Convert());
GL.SamplerParameter(Handle, SamplerParameterName.TextureCompareMode, (int)info.CompareMode.Convert());
GL.SamplerParameter(Handle, SamplerParameterName.TextureCompareFunc, (int)info.CompareOp.Convert());
unsafe
{
float* borderColor = stackalloc float[4]
{
info.BorderColor.Red,
info.BorderColor.Green,
info.BorderColor.Blue,
info.BorderColor.Alpha
};
GL.SamplerParameter(Handle, SamplerParameterName.TextureBorderColor, borderColor);
}
GL.SamplerParameter(Handle, SamplerParameterName.TextureMinLod, info.MinLod);
GL.SamplerParameter(Handle, SamplerParameterName.TextureMaxLod, info.MaxLod);
GL.SamplerParameter(Handle, SamplerParameterName.TextureLodBias, info.MipLodBias);
GL.SamplerParameter(Handle, SamplerParameterName.TextureMaxAnisotropyExt, info.MaxAnisotropy);
}
public void Bind(int unit)
{
GL.BindSampler(unit, Handle);
}
public void Dispose()
{
if (Handle != 0)
{
GL.DeleteSampler(Handle);
Handle = 0;
}
}
}
}
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