glx: Don't try to swap a front buffer if we don't have one.
authorEric Anholt <eric@anholt.net>
Fri, 23 Jul 2010 20:41:13 +0000 (13:41 -0700)
committerEric Anholt <eric@anholt.net>
Fri, 23 Jul 2010 20:59:22 +0000 (13:59 -0700)
commit9a12a3925a82475fd8f01ba53987581d30dd1128
tree1dba66dfc8ef3e63284ece1997f854d5fc13d8ee
parenta2eb8bdcc7bf64285ff75243b6ea7a06bff97cdd
glx: Don't try to swap a front buffer if we don't have one.

Fixes glean glsl1 since 7b7845a076c933e096ac511b4184141ba194449a
src/glx/dri2_glx.c