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Work around COGL bug causing flash for new windows

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COGL bug http://bugzilla.openedhand.com/show_bug.cgi?id=2110 results
in pending drawing at the time of cogl_offscreen_new_to_texture() going
to the newly created framebuffer rather than the stage.

This would result in most windows being missing for the first frame
when a new window is mapped.

Work around this by calling cogl_flush() before
cogl_offscreen_new_to_texture().

https://bugzilla.gnome.org/show_bug.cgi?id=618138
This commit is contained in:
Owen W. Taylor 2010-05-08 17:11:49 -04:00
parent fd20059f68
commit 092cc47afc
1 changed files with 6 additions and 1 deletions
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7
src/compositor/mutter-texture-tower.c
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@ -422,7 +422,12 @@ texture_tower_revalidate_fbo (MutterTextureTower *tower,
CoglMatrix modelview; CoglMatrix modelview;
if (tower->fbos[level] == COGL_INVALID_HANDLE) if (tower->fbos[level] == COGL_INVALID_HANDLE)
tower->fbos[level] = cogl_offscreen_new_to_texture (dest_texture); {
/* Work around http://bugzilla.openedhand.com/show_bug.cgi?id=2110 */
cogl_flush();
tower->fbos[level] = cogl_offscreen_new_to_texture (dest_texture);
}
if (tower->fbos[level] == COGL_INVALID_HANDLE) if (tower->fbos[level] == COGL_INVALID_HANDLE)
return FALSE; return FALSE;