public static TextureSampler CreateTexture2DSampler(
TextureMinificationFilter minificationFilter,
TextureMagnificationFilter magnificationFilter,
TextureWrap wrapS,
TextureWrap wrapT)
{
return(new TextureSamplerGL3x(
minificationFilter,
magnificationFilter,
wrapS,
wrapT,
1));
}
protected TextureSampler(
TextureMinificationFilter minificationFilter,
TextureMagnificationFilter magnificationFilter,
TextureWrap wrapS,
TextureWrap wrapT,
float maximumAnistropy)
{
_minificationFilter = minificationFilter;
_magnificationFilter = magnificationFilter;
_wrapS = wrapS;
_wrapT = wrapT;
_maximumAnistropy = maximumAnistropy;
}
protected TextureSampler(
TextureMinificationFilter minificationFilter,
TextureMagnificationFilter magnificationFilter,
TextureWrap wrapS,
TextureWrap wrapT,
float maximumAnistropy)
{
_minificationFilter = minificationFilter;
_magnificationFilter = magnificationFilter;
_wrapS = wrapS;
_wrapT = wrapT;
_maximumAnistropy = maximumAnistropy;
}
public static TextureMagFilter To(TextureMagnificationFilter filter)
{
switch (filter)
{
case TextureMagnificationFilter.Nearest:
return(TextureMagFilter.Nearest);
case TextureMagnificationFilter.Linear:
return(TextureMagFilter.Linear);
}
throw new ArgumentException("filter");
}
public static TextureSampler CreateTexture2DSampler(
TextureMinificationFilter minificationFilter,
TextureMagnificationFilter magnificationFilter,
TextureWrap wrapS,
TextureWrap wrapT,
float maximumAnistropy)
{
return(new TextureSamplerGL3x(
minificationFilter,
magnificationFilter,
wrapS,
wrapT,
maximumAnistropy));
}
public TextureSamplerGL3x(
TextureMinificationFilter minificationFilter,
TextureMagnificationFilter magnificationFilter,
TextureWrap wrapS,
TextureWrap wrapT,
float maximumAnistropy)
: base(
minificationFilter,
magnificationFilter,
wrapS,
wrapT,
maximumAnistropy)
{
_name = new SamplerNameGL3x();
int glMinificationFilter = (int)TypeConverterGL3x.To(minificationFilter);
int glMagnificationFilter = (int)TypeConverterGL3x.To(magnificationFilter);
int glWrapS = (int)TypeConverterGL3x.To(wrapS);
int glWrapT = (int)TypeConverterGL3x.To(wrapT);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureMinFilter, ref glMinificationFilter);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureMagFilter, ref glMagnificationFilter);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureWrapS, ref glWrapS);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureWrapT, ref glWrapT);
if (Device.Extensions.AnisotropicFiltering)
{
GL.SamplerParameter(_name.Value, (ArbSamplerObjects)All.TextureMaxAnisotropyExt, maximumAnistropy);
}
else
{
if (maximumAnistropy != 1)
{
throw new InsufficientVideoCardException("Anisotropic filtering is not supported. The extension GL_EXT_texture_filter_anisotropic was not found.");
}
}
}
public TextureSamplerGL3x(
TextureMinificationFilter minificationFilter,
TextureMagnificationFilter magnificationFilter,
TextureWrap wrapS,
TextureWrap wrapT,
float maximumAnistropy)
: base(
minificationFilter,
magnificationFilter,
wrapS,
wrapT,
maximumAnistropy)
{
_name = new SamplerNameGL3x();
int glMinificationFilter = (int)TypeConverterGL3x.To(minificationFilter);
int glMagnificationFilter = (int)TypeConverterGL3x.To(magnificationFilter);
int glWrapS = (int)TypeConverterGL3x.To(wrapS);
int glWrapT = (int)TypeConverterGL3x.To(wrapT);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureMinFilter, ref glMinificationFilter);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureMagFilter, ref glMagnificationFilter);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureWrapS, ref glWrapS);
GL.SamplerParameterI(_name.Value, (ArbSamplerObjects)All.TextureWrapT, ref glWrapT);
if (Device.Extensions.AnisotropicFiltering)
{
GL.SamplerParameter(_name.Value, (ArbSamplerObjects)All.TextureMaxAnisotropyExt, maximumAnistropy);
}
else
{
if (maximumAnistropy != 1)
{
throw new InsufficientVideoCardException("Anisotropic filtering is not supported. The extension GL_EXT_texture_filter_anisotropic was not found.");
}
}
}
public static TextureMagFilter To(TextureMagnificationFilter filter)
{
switch (filter)
{
case TextureMagnificationFilter.Nearest:
return TextureMagFilter.Nearest;
case TextureMagnificationFilter.Linear:
return TextureMagFilter.Linear;
}
throw new ArgumentException("filter");
}
