public final class EXTTextureFilterMinmax
extends java.lang.Object
In unextended OpenGL 4.3, minification and magnification filters such as LINEAR allow texture lookups to returned a filtered texel value produced by computing an weighted average of a collection of texels in the neighborhood of the texture coordinate provided.
This extension provides a new texture and sampler parameter (TEXTURE_REDUCTION_MODE_EXT) which allows applications to produce a filtered texel value by computing a component-wise minimum (MIN) or maximum (MAX) of the texels that would normally be averaged. The reduction mode is orthogonal to the minification and magnification filter parameters. The filter parameters are used to identify the set of texels used to produce a final filtered value; the reduction mode identifies how these texels are combined.
| Modifier and Type | Field and Description |
|---|---|
static int |
GL_TEXTURE_REDUCTION_MODE_EXT
Accepted by the
pname parameter to SamplerParameter{i f}{v}, SamplerParameterI{u}iv, GetSamplerParameter{i f}v, GetSamplerParameterI{u}iv,
TexParameter{i f}{v}, TexParameterI{u}iv, GetTexParameter{i f}v, GetTexParameterI{u}iv, TextureParameter{i f}{v}EXT, TextureParameterI{u}ivEXT,
GetTextureParameter{i f}vEXT, GetTextureParameterI{u}ivEXT, MultiTexParameter{i f}{v}EXT, MultiTexParameterI{u}ivEXT, GetMultiTexParameter{i f}vEXT, and
GetMultiTexParameterI{u}ivEXT. |
static int |
GL_WEIGHTED_AVERAGE_EXT
Accepted by the
param or params parameter to SamplerParameter{i f}{v}, SamplerParameterI{u}iv, TexParameter{i f}{v}, TexParameterI{u}iv,
TextureParameter{i f}{v}EXT, TextureParameterI{u}ivEXT, MultiTexParameter{i f}{v}EXT, or MultiTexParameterI{u}ivEXT when pname is
TEXTURE_REDUCTION_MODE_EXT. |
public static final int GL_TEXTURE_REDUCTION_MODE_EXT
pname parameter to SamplerParameter{i f}{v}, SamplerParameterI{u}iv, GetSamplerParameter{i f}v, GetSamplerParameterI{u}iv,
TexParameter{i f}{v}, TexParameterI{u}iv, GetTexParameter{i f}v, GetTexParameterI{u}iv, TextureParameter{i f}{v}EXT, TextureParameterI{u}ivEXT,
GetTextureParameter{i f}vEXT, GetTextureParameterI{u}ivEXT, MultiTexParameter{i f}{v}EXT, MultiTexParameterI{u}ivEXT, GetMultiTexParameter{i f}vEXT, and
GetMultiTexParameterI{u}ivEXT.public static final int GL_WEIGHTED_AVERAGE_EXT
param or params parameter to SamplerParameter{i f}{v}, SamplerParameterI{u}iv, TexParameter{i f}{v}, TexParameterI{u}iv,
TextureParameter{i f}{v}EXT, TextureParameterI{u}ivEXT, MultiTexParameter{i f}{v}EXT, or MultiTexParameterI{u}ivEXT when pname is
TEXTURE_REDUCTION_MODE_EXT.Copyright LWJGL. All Rights Reserved. License terms.