I had to try make indexed 12bit 3D texture on NV 4200 TI,
after call glColorTableEXT(GL_TEXTURE_3D,GL_RGB,4096,GL_RGB,G L_UNSIGNED_BYTE,indexTable); glGetError returns 32817.
and after call
glTexImage3D(GL_TEXTURE_3D, 0,COLOR_INDEX12_EXT, tWidth, tHeight, tDepth, 0,GL_COLOR_INDEX,GL_UNSIGNED_SHORT, pImage);
glGetError returns GL_INVALID_VALUE
and glGetTexLevelParameteriv(GL_TEXTURE_3D,0,TEXTURE_I NDEX_SIZE_EXT,&checkSize); return 0
so it is posible that internal format COLOR_INDEX12_EXT is not supported by this card or im doing something wrong?



