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+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2009 Eric Anholt
+ * Copyright © 2009 Chris Wilson
+ * Copyright © 2005,2010 Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Red Hat, Inc.
+ *
+ * Contributor(s):
+ * Benjamin Otte <otte@gnome.org>
+ * Carl Worth <cworth@cworth.org>
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#ifndef CAIRO_GL_GRADIENT_PRIVATE_H
+#define CAIRO_GL_GRADIENT_PRIVATE_H
+
+#define GL_GLEXT_PROTOTYPES
+
+#include "cairo-cache-private.h"
+#include "cairo-device-private.h"
+#include "cairo-reference-count-private.h"
+#include "cairo-pattern-private.h"
+#include "cairo-types-private.h"
+
+#include "cairo-gl.h"
+
+#if CAIRO_HAS_GLESV3_SURFACE
+#include <GLES3/gl3.h>
+#include <GLES3/gl3ext.h>
+#elif CAIRO_HAS_GLESV2_SURFACE
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#elif CAIRO_HAS_GL_SURFACE
+#include <GL/gl.h>
+#include <GL/glext.h>
+#endif
+
+#define CAIRO_GL_GRADIENT_CACHE_SIZE 4096
+
+/* XXX: Declare in a better place */
+typedef struct _cairo_gl_context cairo_gl_context_t;
+
+typedef struct _cairo_gl_gradient {
+ cairo_cache_entry_t cache_entry;
+ cairo_reference_count_t ref_count;
+ cairo_device_t *device; /* NB: we don't hold a reference */
+ GLuint tex;
+ unsigned int n_stops;
+ const cairo_gradient_stop_t *stops;
+ cairo_gradient_stop_t stops_embedded[1];
+} cairo_gl_gradient_t;
+
+cairo_private cairo_int_status_t
+_cairo_gl_gradient_create (cairo_gl_context_t *ctx,
+ unsigned int n_stops,
+ const cairo_gradient_stop_t *stops,
+ cairo_gl_gradient_t **gradient_out);
+
+cairo_private_no_warn cairo_gl_gradient_t *
+_cairo_gl_gradient_reference (cairo_gl_gradient_t *gradient);
+
+cairo_private void
+_cairo_gl_gradient_destroy (cairo_gl_gradient_t *gradient);
+
+cairo_private cairo_bool_t
+_cairo_gl_gradient_equal (const void *key_a, const void *key_b);
+
+
+#endif /* CAIRO_GL_GRADIENT_PRIVATE_H */