[mutter] cogl: Don't check glGetError for functions that don't return errors

[Marge Bot <marge-bot src gnome org>]

commit dc5130ac01c8d485fce79e863a1fafbb67a6056e
Author: Daniel van Vugt <daniel van vugt canonical com>
Date:   Tue Sep 6 18:00:49 2022 +0800

    cogl: Don't check glGetError for functions that don't return errors
    
    This will at least make debug builds a tiny bit faster.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2615>

 cogl/cogl/driver/gl/cogl-framebuffer-gl.c | 4 ++--
 cogl/cogl/driver/gl/cogl-util-gl.c        | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/cogl/cogl/driver/gl/cogl-framebuffer-gl.c b/cogl/cogl/driver/gl/cogl-framebuffer-gl.c
index de5ed30d92..dfd9b99130 100644
--- a/cogl/cogl/driver/gl/cogl-framebuffer-gl.c
+++ b/cogl/cogl/driver/gl/cogl-framebuffer-gl.c
@@ -305,7 +305,7 @@ cogl_gl_framebuffer_finish (CoglFramebufferDriver *driver)
 {
   CoglContext *ctx = context_from_driver (driver);
 
-  GE (ctx, glFinish ());
+  ctx->glFinish ();
 }
 
 static void
@@ -313,7 +313,7 @@ cogl_gl_framebuffer_flush (CoglFramebufferDriver *driver)
 {
   CoglContext *ctx = context_from_driver (driver);
 
-  GE (ctx, glFlush ());
+  ctx->glFlush ();
 }
 
 static void
diff --git a/cogl/cogl/driver/gl/cogl-util-gl.c b/cogl/cogl/driver/gl/cogl-util-gl.c
index 32ecbd3c3f..ed5ee2525d 100644
--- a/cogl/cogl/driver/gl/cogl-util-gl.c
+++ b/cogl/cogl/driver/gl/cogl-util-gl.c
@@ -526,7 +526,7 @@ cogl_gl_create_timestamp_query (CoglContext *context)
    * the timestamp query being placed at the point of glGetQueryObject much
    * later, resulting in a GPU timestamp much later on in time.
    */
-  GE (context, glFlush ());
+  context->glFlush ();
 
   return query;
 }