2
http://oss.sgi.com/projects/ogl-sample/registry/EXT/visual_info.txt
3
GLX_X_VISUAL_TYPE_EXT 0x22
4
GLX_TRANSPARENT_TYPE_EXT 0x23
5
GLX_TRANSPARENT_INDEX_VALUE_EXT 0x24
6
GLX_TRANSPARENT_RED_VALUE_EXT 0x25
7
GLX_TRANSPARENT_GREEN_VALUE_EXT 0x26
8
GLX_TRANSPARENT_BLUE_VALUE_EXT 0x27
9
GLX_TRANSPARENT_ALPHA_VALUE_EXT 0x28
11
GLX_TRUE_COLOR_EXT 0x8002
12
GLX_DIRECT_COLOR_EXT 0x8003
13
GLX_PSEUDO_COLOR_EXT 0x8004
14
GLX_STATIC_COLOR_EXT 0x8005
15
GLX_GRAY_SCALE_EXT 0x8006
16
GLX_STATIC_GRAY_EXT 0x8007
17
GLX_TRANSPARENT_RGB_EXT 0x8008
18
GLX_TRANSPARENT_INDEX_EXT 0x8009