src/mesa/main/texcompress_s3tc.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.1
   4  *
   5  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef TEXCOMPRESS_S3TC_H
  26 #define TEXCOMPRESS_S3TC_H
  27
  28 #include "compiler.h"
  29 #include "glheader.h"
  30 #include "mfeatures.h"
  31 #include "texstore.h"
  32
  33 struct gl_context;
  34 struct swrast_texture_image;
  35
  36 extern GLboolean
  37 _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS);
  38
  39 extern GLboolean
  40 _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS);
  41
  42 extern GLboolean
  43 _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS);
  44
  45 extern GLboolean
  46 _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS);
  47
  48 extern void
  49 _mesa_fetch_texel_rgb_dxt1(const struct swrast_texture_image *texImage,
  50                            GLint i, GLint j, GLint k, GLfloat *texel);
  51
  52 extern void
  53 _mesa_fetch_texel_rgba_dxt1(const struct swrast_texture_image *texImage,
  54                             GLint i, GLint j, GLint k, GLfloat *texel);
  55
  56 extern void
  57 _mesa_fetch_texel_rgba_dxt3(const struct swrast_texture_image *texImage,
  58                             GLint i, GLint j, GLint k, GLfloat *texel);
  59
  60 extern void
  61 _mesa_fetch_texel_rgba_dxt5(const struct swrast_texture_image *texImage,
  62                             GLint i, GLint j, GLint k, GLfloat *texel);
  63
  64 extern void
  65 _mesa_fetch_texel_srgb_dxt1(const struct swrast_texture_image *texImage,
  66                             GLint i, GLint j, GLint k, GLfloat *texel);
  67
  68 extern void
  69 _mesa_fetch_texel_srgba_dxt1(const struct swrast_texture_image *texImage,
  70                              GLint i, GLint j, GLint k, GLfloat *texel);
  71
  72 extern void
  73 _mesa_fetch_texel_srgba_dxt3(const struct swrast_texture_image *texImage,
  74                              GLint i, GLint j, GLint k, GLfloat *texel);
  75
  76 extern void
  77 _mesa_fetch_texel_srgba_dxt5(const struct swrast_texture_image *texImage,
  78                              GLint i, GLint j, GLint k, GLfloat *texel);
  79
  80 extern void
  81 _mesa_init_texture_s3tc(struct gl_context *ctx);
  82
  83 #endif /* TEXCOMPRESS_S3TC_H */