Add a really sketchy glGetError() test

diff --git a/openbox/composite.c b/openbox/composite.c
index e68ac24c16de20598d86b2c97db2eac0594da09f..6bbd2467679c34207154ace18ebbe6b8532cec70 100644 (file)
--- a/openbox/composite.c
+++ b/openbox/composite.c
@@ -378,6 +378,11 @@ time_fix(&dif);
     }
     glXSwapBuffers(obt_display, obcomp.overlay);
     glFinish();
+    GLenum gler;
+    while ((gler = glGetError()) != GL_NO_ERROR) {
+        printf("gl error %d\n", gler);
+    }
+    
     obcomp.need_redraw = 0;
 #endif
     return TRUE;