pixel_texture



TRUE MultiDimensional Lookups - Color Volume Manipulations

glTexImage[n]D[EXT]( ... );
glEnable( GL_TEXTURE_[n]D[_EXT] );
glPixelTexGenSGIX( { GL_NONE, GL_RGB, GL_RGBA } );

Color and Texture Data Assignment to an RGBA Fragment

Fragment Value	GL_PIXEL_TEX_GEN_MODE_SGIX
	GL_NONE	GL_RGB	GL_RGBA
Red Green Blue Alpha S texture coordinate T texture coordinate R texture coordinate Q texture coordinate	R G B A CRP's CRP's CRP's CRP's	CRP's CRP's CRP's A R G B CRP's	CRP's CRP's CRP's CRP's R G B A