pixel.h revision 7117f1b4 
1/**
2 * \file pixel.h
3 * Pixel operations.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 * Version:  6.5.2
9 *
10 * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 */
29
30
31#ifndef PIXEL_H
32#define PIXEL_H
33
34
35#include "mtypes.h"
36
37
38/** \name API functions */
39/*@{*/
40
41extern void GLAPIENTRY
42_mesa_GetPixelMapfv( GLenum map, GLfloat *values );
43
44extern void GLAPIENTRY
45_mesa_GetPixelMapuiv( GLenum map, GLuint *values );
46
47extern void GLAPIENTRY
48_mesa_GetPixelMapusv( GLenum map, GLushort *values );
49
50extern void GLAPIENTRY
51_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values );
52
53extern void GLAPIENTRY
54_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values );
55
56extern void GLAPIENTRY
57_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values );
58
59extern void GLAPIENTRY
60_mesa_PixelStoref( GLenum pname, GLfloat param );
61
62
63extern void GLAPIENTRY
64_mesa_PixelStorei( GLenum pname, GLint param );
65
66extern void GLAPIENTRY
67_mesa_PixelTransferf( GLenum pname, GLfloat param );
68
69extern void GLAPIENTRY
70_mesa_PixelTransferi( GLenum pname, GLint param );
71
72extern void GLAPIENTRY
73_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );
74
75/*@}*/
76
77
78/** \name Pixel processing functions */
79/*@{*/
80
81extern void
82_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
83                          GLfloat rScale, GLfloat gScale,
84                          GLfloat bScale, GLfloat aScale,
85                          GLfloat rBias, GLfloat gBias,
86                          GLfloat bBias, GLfloat aBias);
87
88extern void
89_mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
90
91
92extern void
93_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);
94
95
96extern void
97_mesa_lookup_rgba_float(const struct gl_color_table *table,
98                        GLuint n, GLfloat rgba[][4]);
99
100extern void
101_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
102                        GLuint n, GLubyte rgba[][4]);
103
104
105extern void
106_mesa_map_ci_to_rgba(const GLcontext *ctx,
107                     GLuint n, const GLuint index[], GLfloat rgba[][4]);
108
109
110extern void
111_mesa_map_ci8_to_rgba8(const GLcontext *ctx, GLuint n, const GLubyte index[],
112                       GLubyte rgba[][4]);
113
114
115extern void
116_mesa_scale_and_bias_depth(const GLcontext *ctx, GLuint n,
117                           GLfloat depthValues[]);
118
119
120extern void
121_mesa_update_pixel( GLcontext *ctx, GLuint newstate );
122
123extern void
124_mesa_init_pixel( GLcontext * ctx );
125
126/*@}*/
127
128#endif
129