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/*
* texture rectangle
*
* A small utility function to help create a rectangle texture
*
* Authored By Neil Roberts <neil@linux.intel.com>
*
* Copyright (C) 2011, 2012 Intel Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <clutter/clutter.h>
#include "meta-texture-rectangle.h"
static void
texture_rectangle_check_cb (CoglTexture *sub_texture,
const float *sub_texture_coords,
const float *meta_coords,
void *user_data)
{
gboolean *result = user_data;
if (cogl_is_texture_rectangle (sub_texture))
*result = TRUE;
}
/* Determines if the given texture is using a rectangle texture as its
* primitive texture type. Eventually this function could be replaced
* with cogl_texture_get_type if Cogl makes that public.
*
* http://git.gnome.org/browse/cogl/commit/?h=8012eee31
*/
gboolean
meta_texture_rectangle_check (CoglTexture *texture)
{
gboolean result = FALSE;
cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (texture),
0.0f, 0.0f, /* tx_1 / ty_1 */
1.0f, 1.0f, /* tx_2 / ty_2 */
COGL_PIPELINE_WRAP_MODE_REPEAT,
COGL_PIPELINE_WRAP_MODE_REPEAT,
texture_rectangle_check_cb,
&result);
return result;
}
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