From 2ad5c3fc8fdb5941bdedcda3c972b3bae426fb32 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Wed, 4 Feb 2009 13:10:47 -0800
Subject: [PATCH] [gl] Add a shortcut from image to gl in clone_similar.

---
 src/cairo-gl-surface.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/src/cairo-gl-surface.c b/src/cairo-gl-surface.c
index 13b7ac7fc..1d57a632c 100644
--- a/src/cairo-gl-surface.c
+++ b/src/cairo-gl-surface.c
@@ -475,6 +475,33 @@ _cairo_gl_surface_clone_similar (void		     *abstract_surface,
 	*clone_offset_y = 0;
 	*clone_out = cairo_surface_reference (src);
 
+	return CAIRO_STATUS_SUCCESS;
+    } else if (_cairo_surface_is_image (src)) {
+	cairo_gl_surface_t *clone;
+	cairo_image_surface_t *image_src = (cairo_image_surface_t *)src;
+	cairo_status_t status;
+
+	clone = (cairo_gl_surface_t *)
+	    _cairo_gl_surface_create_similar (&surface->base, src->content,
+					      width, height);
+	if (clone == NULL)
+	    return CAIRO_INT_STATUS_UNSUPPORTED;
+	if (clone->base.status)
+	    return clone->base.status;
+
+	status = _cairo_gl_surface_draw_image (clone, image_src,
+					       src_x, src_y,
+					       width, height,
+					       0, 0);
+	if (status) {
+	    cairo_surface_destroy (&clone->base);
+	    return status;
+	}
+
+	*clone_out = &clone->base;
+	*clone_offset_x = src_x;
+	*clone_offset_y = src_y;
+
 	return CAIRO_STATUS_SUCCESS;
     }