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 void
  53 _mesa_fetch_texel_2d_f_etc1_rgb8(const struct swrast_texture_image *texImage,
  54                                  GLint i, GLint j, GLint k, GLfloat *texel);
  55 void
  56 _mesa_fetch_texel_2d_f_etc2_rgb8(const struct swrast_texture_image *texImage,
  57                                  GLint i, GLint j, GLint k, GLfloat *texel);
  58 void
  59 _mesa_fetch_texel_2d_f_etc2_srgb8(const struct swrast_texture_image *texImage,
  60                                   GLint i, GLint j, GLint k, GLfloat *texel);
  61
  62 void
  63 _mesa_fetch_texel_2d_f_etc2_rgba8_eac(const struct swrast_texture_image *texImage,
  64                                       GLint i, GLint j, GLint k, GLfloat *texel);
  65 void
  66 _mesa_fetch_texel_2d_f_etc2_srgb8_alpha8_eac(const struct
  67                                             swrast_texture_image *texImage,
  68                                             GLint i, GLint j,
  69                                             GLint k, GLfloat *texel);
  70 void
  71 _mesa_fetch_texel_2d_f_etc2_r11_eac(const struct swrast_texture_image *texImage,
  72                                     GLint i, GLint j, GLint k, GLfloat *texel);
  73
  74 void
  75 _mesa_etc1_unpack_rgba8888(uint8_t *dst_row,
  76                            unsigned dst_stride,
  77                            const uint8_t *src_row,
  78                            unsigned src_stride,
  79                            unsigned src_width,
  80                            unsigned src_height);
  81 void
  82 _mesa_unpack_etc2_format(uint8_t *dst_row,
  83                          unsigned dst_stride,
  84                          const uint8_t *src_row,
  85                          unsigned src_stride,
  86                          unsigned src_width,
  87                          unsigned src_height,
  88                          gl_format format);
  89 #endif