GLX is missing Render sub-requests

Submitted by Peter Harris @peterh

Assigned to Josh Triplett

Link to original bug (#13133)

Description

GLX is missing Render sub-requests. This is critical for xcb-server, and would be nice for a hypothetical xscope or xmond based on XCB/proto.

At the very least, the TODO file should be updated:

diff --git a/TODO b/TODO
index add693c..dfd6a38 100644
--- a/TODO
+++ b/TODO
@@ -12,7 +12,7 @@ X DAMAGE
   DOUBLE-BUFFER
 X DPMS
   Extended-Visual-Information
-X GLX
+I GLX
   LBX
 X MIT-SCREEN-SAVER
 X MIT-SHM