src/mesa/main/texutil.h

   1 /* $Id: texutil.h,v 1.1 2000/03/24 20:54:21 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.3
   6  *
   7  * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28 #ifndef TEXUTIL_H
  29 #define TEXUTIL_H
  30
  31
  32 #include "types.h"
  33
  34
  35
  36                            /* msb <------ TEXEL BITS -----------> lsb */
  37 typedef enum {             /* ---- ---- ---- ---- ---- ---- ---- ---- */
  38    MESA_I8,                /*                               IIII IIII */
  39    MESA_L8,                /*                               LLLL LLLL */
  40    MESA_A8,                /*                               AAAA AAAA */
  41    MESA_C8,                /*                               CCCC CCCC */
  42    MESA_L8_A8,             /*                     LLLL LLLL AAAA AAAA */
  43    MESA_R5_G6_B5,          /*                     RRRR RGGG GGGB BBBB */
  44    MESA_A4_R4_G4_B4,       /*                     AAAA RRRR GGGG BBBB */
  45    MESA_A1_R5_G5_B5,       /*                     ARRR RRGG GGGB BBBB */
  46    MESA_A8_R8_G8_B8        /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
  47 } MesaIntTexFormat;
  48
  49
  50
  51
  52 extern GLboolean
  53 _mesa_convert_teximage(MesaIntTexFormat dstFormat,
  54                        GLint dstWidth, GLint dstHeight, GLvoid *dstImage,
  55                        GLsizei srcWidth, GLsizei srcHeight,
  56                        GLenum srcFormat, GLenum srcType,
  57                        const GLvoid *srcImage,
  58                        const struct gl_pixelstore_attrib *packing);
  59
  60
  61 #endif
  62