GL_NV_texture_shader3 http://www.opengl.org/registry/specs/NV/texture_shader3.txt GL_NV_texture_shader3 GL_OFFSET_PROJECTIVE_TEXTURE_2D_NV 0x8850 GL_OFFSET_PROJECTIVE_TEXTURE_2D_SCALE_NV 0x8851 GL_OFFSET_PROJECTIVE_TEXTURE_RECTANGLE_NV 0x8852 GL_OFFSET_PROJECTIVE_TEXTURE_RECTANGLE_SCALE_NV 0x8853 GL_OFFSET_HILO_TEXTURE_2D_NV 0x8854 GL_OFFSET_HILO_TEXTURE_RECTANGLE_NV 0x8855 GL_OFFSET_HILO_PROJECTIVE_TEXTURE_2D_NV 0x8856 GL_OFFSET_HILO_PROJECTIVE_TEXTURE_RECTANGLE_NV 0x8857 GL_DEPENDENT_HILO_TEXTURE_2D_NV 0x8858 GL_DEPENDENT_RGB_TEXTURE_3D_NV 0x8859 GL_DEPENDENT_RGB_TEXTURE_CUBE_MAP_NV 0x885A GL_DOT_PRODUCT_PASS_THROUGH_NV 0x885B GL_DOT_PRODUCT_TEXTURE_1D_NV 0x885C GL_DOT_PRODUCT_AFFINE_DEPTH_REPLACE_NV 0x885D GL_HILO8_NV 0x885E GL_SIGNED_HILO8_NV 0x885F GL_FORCE_BLUE_TO_ONE_NV 0x8860