GL: Fix typo in gdk_gl_texture_from_surface

Got a sign wrong in commit 800c712738f5666937e32d9f8cb32353513b9423

diff --git a/gdk/gdkgl.c b/gdk/gdkgl.c
index d693ca0350602c9cb3edfb446bccbba9dabba804..6c76e8379a4c6268ab7f2119d8eb58e146446b9f 100644 (file)
--- a/gdk/gdkgl.c
+++ b/gdk/gdkgl.c
@@ -700,7 +700,7 @@ gdk_gl_texture_from_surface (cairo_surface_t *surface,
     {
       cairo_region_get_rectangle (region, i, &rect);
 
-      glScissor (rect.x * window_scale, unscaled_window_height - (rect.y - rect.height) * window_scale,
+      glScissor (rect.x * window_scale, unscaled_window_height - (rect.y + rect.height) * window_scale,
                  rect.width * window_scale, rect.height * window_scale);
 
       e = rect;