7155d7e043
We need to set the number of components on the CoglTextureRectangle to prevent wasting too much GPU memory. As we need to do this before we call cogl_texture_set_region, just remove the meta_texture_rectangle_new wrapper, and make callers call cogl_texture_rectangle_new_with_size directly.
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/*
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* texture rectangle
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*
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* A small utility function to help create a rectangle texture
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*
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* Authored By Neil Roberts <neil@linux.intel.com>
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*
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* Copyright (C) 2011, 2012 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <clutter/clutter.h>
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#include "meta-texture-rectangle.h"
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static void
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texture_rectangle_check_cb (CoglTexture *sub_texture,
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const float *sub_texture_coords,
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const float *meta_coords,
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void *user_data)
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{
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gboolean *result = user_data;
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if (cogl_is_texture_rectangle (sub_texture))
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*result = TRUE;
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}
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/* Determines if the given texture is using a rectangle texture as its
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* primitive texture type. Eventually this function could be replaced
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* with cogl_texture_get_type if Cogl makes that public.
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*
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* http://git.gnome.org/browse/cogl/commit/?h=8012eee31
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*/
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gboolean
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meta_texture_rectangle_check (CoglTexture *texture)
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{
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gboolean result = FALSE;
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cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (texture),
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0.0f, 0.0f, /* tx_1 / ty_1 */
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1.0f, 1.0f, /* tx_2 / ty_2 */
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COGL_PIPELINE_WRAP_MODE_REPEAT,
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COGL_PIPELINE_WRAP_MODE_REPEAT,
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texture_rectangle_check_cb,
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&result);
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return result;
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}
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