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      1 /*
      2  * Copyright (C) 2011 LunarG, Inc.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  * DEALINGS IN THE SOFTWARE.
     22  */
     23 
     24 #ifndef TEXCOMPRESS_ETC1_H
     25 #define TEXCOMPRESS_ETC1_H
     26 
     27 #include <inttypes.h>
     28 #include "glheader.h"
     29 #include "mfeatures.h"
     30 #include "texstore.h"
     31 
     32 struct swrast_texture_image;
     33 
     34 GLboolean
     35 _mesa_texstore_etc1_rgb8(TEXSTORE_PARAMS);
     36 
     37 void
     38 _mesa_fetch_texel_2d_f_etc1_rgb8(const struct swrast_texture_image *texImage,
     39                                  GLint i, GLint j, GLint k, GLfloat *texel);
     40 
     41 void
     42 _mesa_etc1_unpack_rgba8888(uint8_t *dst_row,
     43                            unsigned dst_stride,
     44                            const uint8_t *src_row,
     45                            unsigned src_stride,
     46                            unsigned src_width,
     47                            unsigned src_height);
     48 
     49 #endif
     50