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