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Diffstat (limited to 'src/cairo-gl-gradient-private.h')
| -rw-r--r-- | src/cairo-gl-gradient-private.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/cairo-gl-gradient-private.h b/src/cairo-gl-gradient-private.h new file mode 100644 index 000000000..77f9bbdc5 --- /dev/null +++ b/src/cairo-gl-gradient-private.h @@ -0,0 +1,93 @@ +/* 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_GL_SURFACE +#include <GL/gl.h> +#include <GL/glext.h> +#elif CAIRO_HAS_GLESV2_SURFACE +#include <GLES2/gl2.h> +#include <GLES2/gl2ext.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 */ |