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      1 /*
      2  * Copyright (C) 2011 Red Hat 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_RGTC_H
     25 #define TEXCOMPRESS_RGTC_H
     26 
     27 #include "glheader.h"
     28 #include "mfeatures.h"
     29 #include "texstore.h"
     30 
     31 struct swrast_texture_image;
     32 
     33 extern GLboolean
     34 _mesa_texstore_red_rgtc1(TEXSTORE_PARAMS);
     35 
     36 extern GLboolean
     37 _mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS);
     38 
     39 extern GLboolean
     40 _mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS);
     41 
     42 extern GLboolean
     43 _mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS);
     44 
     45 extern void
     46 _mesa_fetch_texel_red_rgtc1(const struct swrast_texture_image *texImage,
     47                             GLint i, GLint j, GLint k, GLfloat *texel);
     48 
     49 extern void
     50 _mesa_fetch_texel_signed_red_rgtc1(const struct swrast_texture_image *texImage,
     51                                    GLint i, GLint j, GLint k, GLfloat *texel);
     52 
     53 extern void
     54 _mesa_fetch_texel_rg_rgtc2(const struct swrast_texture_image *texImage,
     55                            GLint i, GLint j, GLint k, GLfloat *texel);
     56 
     57 extern void
     58 _mesa_fetch_texel_signed_rg_rgtc2(const struct swrast_texture_image *texImage,
     59                                   GLint i, GLint j, GLint k, GLfloat *texel);
     60 
     61 extern void
     62 _mesa_fetch_texel_l_latc1(const struct swrast_texture_image *texImage,
     63                           GLint i, GLint j, GLint k, GLfloat *texel);
     64 
     65 extern void
     66 _mesa_fetch_texel_signed_l_latc1(const struct swrast_texture_image *texImage,
     67                                  GLint i, GLint j, GLint k, GLfloat *texel);
     68 
     69 extern void
     70 _mesa_fetch_texel_la_latc2(const struct swrast_texture_image *texImage,
     71                            GLint i, GLint j, GLint k, GLfloat *texel);
     72 
     73 extern void
     74 _mesa_fetch_texel_signed_la_latc2(const struct swrast_texture_image *texImage,
     75                                   GLint i, GLint j, GLint k, GLfloat *texel);
     76 
     77 #endif
     78