src/mesa/main/texcompress_etc.h

   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 GLboolean
  38 _mesa_texstore_etc2_rgb8(TEXSTORE_PARAMS);
  39
  40 GLboolean
  41 _mesa_texstore_etc2_srgb8(TEXSTORE_PARAMS);
  42
  43 GLboolean
  44 _mesa_texstore_etc2_rgba8_eac(TEXSTORE_PARAMS);
  45
  46 GLboolean
  47 _mesa_texstore_etc2_srgb8_alpha8_eac(TEXSTORE_PARAMS);
  48
  49 GLboolean
  50 _mesa_texstore_etc2_r11_eac(TEXSTORE_PARAMS);
  51
  52 GLboolean
  53 _mesa_texstore_etc2_rg11_eac(TEXSTORE_PARAMS);
  54
  55 GLboolean
  56 _mesa_texstore_etc2_signed_r11_eac(TEXSTORE_PARAMS);
  57
  58 void
  59 _mesa_fetch_texel_2d_f_etc1_rgb8(const struct swrast_texture_image *texImage,
  60                                  GLint i, GLint j, GLint k, GLfloat *texel);
  61 void
  62 _mesa_fetch_texel_2d_f_etc2_rgb8(const struct swrast_texture_image *texImage,
  63                                  GLint i, GLint j, GLint k, GLfloat *texel);
  64 void
  65 _mesa_fetch_texel_2d_f_etc2_srgb8(const struct swrast_texture_image *texImage,
  66                                   GLint i, GLint j, GLint k, GLfloat *texel);
  67
  68 void
  69 _mesa_fetch_texel_2d_f_etc2_rgba8_eac(const struct swrast_texture_image *texImage,
  70                                       GLint i, GLint j, GLint k, GLfloat *texel);
  71 void
  72 _mesa_fetch_texel_2d_f_etc2_srgb8_alpha8_eac(const struct
  73                                             swrast_texture_image *texImage,
  74                                             GLint i, GLint j,
  75                                             GLint k, GLfloat *texel);
  76 void
  77 _mesa_fetch_texel_2d_f_etc2_r11_eac(const struct swrast_texture_image *texImage,
  78                                     GLint i, GLint j, GLint k, GLfloat *texel);
  79 void
  80 _mesa_fetch_texel_2d_f_etc2_rg11_eac(const struct swrast_texture_image *texImage,
  81                                      GLint i, GLint j, GLint k, GLfloat *texel);
  82 void
  83 _mesa_fetch_texel_2d_f_etc2_signed_r11_eac(const struct
  84                                            swrast_texture_image *texImage,
  85                                            GLint i, GLint j,
  86                                            GLint k, GLfloat *texel);
  87 void
  88 _mesa_etc1_unpack_rgba8888(uint8_t *dst_row,
  89                            unsigned dst_stride,
  90                            const uint8_t *src_row,
  91                            unsigned src_stride,
  92                            unsigned src_width,
  93                            unsigned src_height);
  94 void
  95 _mesa_unpack_etc2_format(uint8_t *dst_row,
  96                          unsigned dst_stride,
  97                          const uint8_t *src_row,
  98                          unsigned src_stride,
  99                          unsigned src_width,
 100                          unsigned src_height,
 101                          gl_format format);
 102 #endif