[cogl/wip/rib/frame-synchronization: 1/5] glx: refer to head of info queue for swap events

[Robert Bragg <rbragg src gnome org>]

commit 906bb1d5625f56b3f7842e4c63e509f1a69ba65f
Author: Robert Bragg <robert linux intel com>
Date:   Tue Jan 29 15:42:47 2013 +0000

    glx: refer to head of info queue for swap events
    
    when handling swap events we should be referring to the head of the
    pending_frame_infos queue not the tail.
    
    TODO: squash back

 cogl/winsys/cogl-winsys-egl-kms.c |    2 +-
 cogl/winsys/cogl-winsys-glx.c     |    6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/cogl/winsys/cogl-winsys-egl-kms.c b/cogl/winsys/cogl-winsys-egl-kms.c
index 1867e56..a984afb 100644
--- a/cogl/winsys/cogl-winsys-egl-kms.c
+++ b/cogl/winsys/cogl-winsys-egl-kms.c
@@ -896,7 +896,7 @@ flush_pending_swap_notify_cb (void *data,
 
       if (kms_onscreen->pending_swap_notify)
         {
-          CoglFrameInfo *info = g_queue_pop_tail (&onscreen->pending_frame_infos);
+          CoglFrameInfo *info = g_queue_pop_head (&onscreen->pending_frame_infos);
 
           _cogl_onscreen_notify_frame_sync (onscreen, info);
           _cogl_onscreen_notify_complete (onscreen, info);
diff --git a/cogl/winsys/cogl-winsys-glx.c b/cogl/winsys/cogl-winsys-glx.c
index b5e04ef..0866af3 100644
--- a/cogl/winsys/cogl-winsys-glx.c
+++ b/cogl/winsys/cogl-winsys-glx.c
@@ -295,7 +295,7 @@ notify_swap_buffers (CoglContext *context, GLXBufferSwapComplete *swap_event)
 
   if (swap_event->ust != 0)
     {
-      CoglFrameInfo *info = g_queue_peek_tail (&onscreen->pending_frame_infos);
+      CoglFrameInfo *info = g_queue_peek_head (&onscreen->pending_frame_infos);
 
       info->presentation_time =
         ust_to_nanoseconds (context->display->renderer,
@@ -2479,7 +2479,7 @@ flush_pending_notifications_cb (void *data,
 
       if (glx_onscreen->pending_sync_notify)
         {
-          CoglFrameInfo *info = g_queue_peek_tail (&onscreen->pending_frame_infos);
+          CoglFrameInfo *info = g_queue_peek_head (&onscreen->pending_frame_infos);
 
           _cogl_onscreen_notify_frame_sync (onscreen, info);
           glx_onscreen->pending_sync_notify = FALSE;
@@ -2487,7 +2487,7 @@ flush_pending_notifications_cb (void *data,
 
       if (glx_onscreen->pending_complete_notify)
         {
-          CoglFrameInfo *info = g_queue_pop_tail (&onscreen->pending_frame_infos);
+          CoglFrameInfo *info = g_queue_pop_head (&onscreen->pending_frame_infos);
 
           _cogl_onscreen_notify_complete (onscreen, info);
           glx_onscreen->pending_complete_notify = FALSE;