src/mesa/main/pixel.h

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  3.5
   5  *
   6  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26
  27 #ifndef PIXEL_H
  28 #define PIXEL_H
  29
  30
  31 #include "mtypes.h"
  32
  33
  34 /*
  35  * API functions
  36  */
  37
  38
  39 extern void
  40 _mesa_GetPixelMapfv( GLenum map, GLfloat *values );
  41
  42 extern void
  43 _mesa_GetPixelMapuiv( GLenum map, GLuint *values );
  44
  45 extern void
  46 _mesa_GetPixelMapusv( GLenum map, GLushort *values );
  47
  48 extern void
  49 _mesa_PixelMapfv( GLenum map, GLint mapsize, const GLfloat *values );
  50
  51 extern void
  52 _mesa_PixelMapuiv(GLenum map, GLint mapsize, const GLuint *values );
  53
  54 extern void
  55 _mesa_PixelMapusv(GLenum map, GLint mapsize, const GLushort *values );
  56
  57 extern void
  58 _mesa_PixelStoref( GLenum pname, GLfloat param );
  59
  60 extern void
  61 _mesa_PixelStorei( GLenum pname, GLint param );
  62
  63 extern void
  64 _mesa_PixelTransferf( GLenum pname, GLfloat param );
  65
  66 extern void
  67 _mesa_PixelTransferi( GLenum pname, GLint param );
  68
  69 extern void
  70 _mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );
  71
  72
  73
  74 /*
  75  * Pixel processing functions
  76  */
  77
  78 extern void
  79 _mesa_scale_and_bias_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4],
  80                           GLfloat rScale, GLfloat gScale,
  81                           GLfloat bScale, GLfloat aScale,
  82                           GLfloat rBias, GLfloat gBias,
  83                           GLfloat bBias, GLfloat aBias);
  84
  85 extern void
  86 _mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
  87
  88
  89 extern void
  90 _mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
  91
  92
  93 extern void
  94 _mesa_lookup_rgba(const struct gl_color_table *table,
  95                   GLuint n, GLfloat rgba[][4]);
  96
  97
  98 extern void
  99 _mesa_shift_and_offset_ci(const GLcontext *ctx, GLuint n,
 100                           GLuint indexes[]);
 101
 102
 103 extern void
 104 _mesa_map_ci(const GLcontext *ctx, GLuint n, GLuint index[]);
 105
 106
 107 extern void
 108 _mesa_map_ci_to_rgba_chan(const GLcontext *ctx,
 109                           GLuint n, const GLuint index[],
 110                           GLchan rgba[][4]);
 111
 112
 113 extern void
 114 _mesa_map_ci_to_rgba(const GLcontext *ctx,
 115                      GLuint n, const GLuint index[], GLfloat rgba[][4]);
 116
 117
 118 extern void
 119 _mesa_map_ci8_to_rgba(const GLcontext *ctx,
 120                       GLuint n, const GLubyte index[],
 121                       GLchan rgba[][4]);
 122
 123
 124 extern void
 125 _mesa_shift_and_offset_stencil(const GLcontext *ctx, GLuint n,
 126                                GLstencil indexes[]);
 127
 128
 129 extern void
 130 _mesa_map_stencil(const GLcontext *ctx, GLuint n, GLstencil index[]);
 131
 132
 133 extern void
 134 _mesa_chan_to_float_span(const GLcontext *ctx, GLuint n,
 135                          CONST GLchan rgba[][4], GLfloat rgbaf[][4]);
 136
 137
 138 #endif