To expand one texel into many pixels :
GL_NEAREST
GL_LINEAR
GL_LINEAR_DETAIL_SGIS
GL_LINEAR_DETAIL_{ ALPHA, COLOR }_SGIS*
GL_LINEAR_{ SHARPEN, SHARPEN_ALPHA, SHARPEN_COLOR }_SGIS*
![[Magnification]](/file/12033/SGI Developer Toolbox 6.1 - Disc 1.iso/toolbox/src/tutorials/OGLT/Texturing/gif/T_Mag.gif)
GL_NEAREST
GL_LINEAR
GL_LINEAR_DETAIL_SGIS
GL_LINEAR_DETAIL_{ ALPHA, COLOR }_SGIS*
GL_LINEAR_{ SHARPEN, SHARPEN_ALPHA, SHARPEN_COLOR }_SGIS*