src/mesa/main/pixel.h

   1 /* $Id: pixel.h,v 1.2 1999/10/30 08:20:57 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.1
   6  *
   7  * Copyright (C) 1999  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
  29
  30
  31 #ifndef PIXEL_H
  32 #define PIXEL_H
  33
  34
  35 #include "types.h"
  36
  37
  38 /*
  39  * API functions
  40  */
  41
  42
  43 extern void gl_GetPixelMapfv( GLcontext *ctx, GLenum map, GLfloat *values );
  44
  45 extern void gl_GetPixelMapuiv( GLcontext *ctx, GLenum map, GLuint *values );
  46
  47 extern void gl_GetPixelMapusv( GLcontext *ctx, GLenum map, GLushort *values );
  48
  49
  50 extern void gl_PixelMapfv( GLcontext *ctx,
  51                            GLenum map, GLint mapsize, const GLfloat *values );
  52
  53 extern void gl_PixelStorei( GLcontext *ctx, GLenum pname, GLint param );
  54
  55 extern void gl_PixelTransferf( GLcontext *ctx, GLenum pname, GLfloat param );
  56
  57 extern void gl_PixelZoom( GLcontext *ctx, GLfloat xfactor, GLfloat yfactor );
  58
  59
  60 /*
  61  * Pixel processing functions
  62  */
  63
  64 extern void gl_scale_and_bias_color( const GLcontext *ctx, GLuint n,
  65                                      GLfloat red[], GLfloat green[],
  66                                      GLfloat blue[], GLfloat alpha[] );
  67
  68
  69 extern void gl_scale_and_bias_rgba( const GLcontext *ctx, GLuint n,
  70                                     GLubyte rgba[][4] );
  71
  72
  73 extern void gl_scale_and_bias_rgba_float( const GLcontext *ctx, GLuint n,
  74                                           GLfloat rgba[][4] );
  75
  76
  77 extern void gl_map_rgba( const GLcontext *ctx, GLuint n, GLubyte rgba[][4] );
  78
  79
  80 extern void gl_map_rgba_float( const GLcontext *ctx, GLuint n,
  81                                GLfloat rgba[][4] );
  82
  83
  84 extern void gl_map_color( const GLcontext *ctx, GLuint n,
  85                           GLfloat red[], GLfloat green[],
  86                           GLfloat blue[], GLfloat alpha[] );
  87
  88
  89 extern void gl_shift_and_offset_ci( const GLcontext *ctx, GLuint n,
  90                                     GLuint indexes[] );
  91
  92
  93 extern void gl_map_ci( const GLcontext *ctx, GLuint n, GLuint index[] );
  94
  95
  96 extern void gl_map_ci_to_rgba( const GLcontext *ctx,
  97                                GLuint n, const GLuint index[],
  98                                GLubyte rgba[][4] );
  99
 100
 101 extern void gl_map_ci_to_rgba_float( const GLcontext *ctx,
 102                                      GLuint n, const GLuint index[],
 103                                      GLfloat rgba[][4] );
 104
 105
 106 extern void gl_map_ci8_to_rgba( const GLcontext *ctx,
 107                                 GLuint n, const GLubyte index[],
 108                                 GLubyte rgba[][4] );
 109
 110
 111 extern void gl_map_ci_to_color( const GLcontext *ctx,
 112                                 GLuint n, const GLuint index[],
 113                                 GLfloat r[], GLfloat g[],
 114                                 GLfloat b[], GLfloat a[] );
 115
 116
 117 extern void gl_shift_and_offset_stencil( const GLcontext *ctx, GLuint n,
 118                                          GLstencil indexes[] );
 119
 120
 121 extern void gl_map_stencil( const GLcontext *ctx, GLuint n, GLstencil index[] );
 122
 123
 124 #endif