GLX: note the implicit flushes with ReadPixels in indirect contexts.

This just notes the flush has occured when readpixels returns, and
fixes the glean test.

1 files changed, 1 insertions, 0 deletions

diff --git a/glx/singlepix.c b/glx/singlepix.c
index 7b2cb4ca6..a0a6a7918 100644
--- a/glx/singlepix.c
+++ b/glx/singlepix.c
@@ -91,6 +91,7 @@ int __glXDisp_ReadPixels(__GLXclientState *cl, GLbyte *pc)
 	__GLX_SEND_HEADER();
 	__GLX_SEND_VOID_ARRAY(compsize);
     }
+    __GLX_NOTE_FLUSHED_CMDS(cx);
     return Success;
 }