summaryrefslogtreecommitdiff
path: root/src/mesa/main/pixel.h
blob: a3efcf5666ea7cc4937321640896232e373b215c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
/**
 * \file pixel.h
 * Pixel operations.
 */

/*
 * Mesa 3-D graphics library
 * Version:  5.1
 *
 * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


#ifndef PIXEL_H
#define PIXEL_H


#include "mtypes.h"


/** \name API functions */
/*@*/

extern void GLAPIENTRY
_mesa_GetPixelMapfv( GLenum map, GLfloat *values );

extern void GLAPIENTRY
_mesa_GetPixelMapuiv( GLenum map, GLuint *values );

extern void GLAPIENTRY
_mesa_GetPixelMapusv( GLenum map, GLushort *values );

extern void GLAPIENTRY
_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values );

extern void GLAPIENTRY
_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values );

extern void GLAPIENTRY
_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values );

extern void GLAPIENTRY
_mesa_PixelStoref( GLenum pname, GLfloat param );


extern void GLAPIENTRY
_mesa_PixelStorei( GLenum pname, GLint param );

extern void GLAPIENTRY
_mesa_PixelTransferf( GLenum pname, GLfloat param );

extern void GLAPIENTRY
_mesa_PixelTransferi( GLenum pname, GLint param );

extern void GLAPIENTRY
_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor );

/*@}*/


/** \name Pixel processing functions */
/*@{*/

extern void
_mesa_scale_and_bias_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4],
                          GLfloat rScale, GLfloat gScale,
                          GLfloat bScale, GLfloat aScale,
                          GLfloat rBias, GLfloat gBias,
                          GLfloat bBias, GLfloat aBias);

extern void
_mesa_map_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);


extern void
_mesa_transform_rgba(const GLcontext *ctx, GLuint n, GLfloat rgba[][4]);


extern void
_mesa_lookup_rgba(const struct gl_color_table *table,
                  GLuint n, GLfloat rgba[][4]);


extern void
_mesa_shift_and_offset_ci(const GLcontext *ctx, GLuint n,
                          GLuint indexes[]);


extern void
_mesa_map_ci(const GLcontext *ctx, GLuint n, GLuint index[]);


extern void
_mesa_map_ci_to_rgba_chan(const GLcontext *ctx,
                          GLuint n, const GLuint index[],
                          GLchan rgba[][4]);


extern void
_mesa_map_ci_to_rgba(const GLcontext *ctx,
                     GLuint n, const GLuint index[], GLfloat rgba[][4]);


extern void
_mesa_map_ci8_to_rgba(const GLcontext *ctx,
                      GLuint n, const GLubyte index[],
                      GLchan rgba[][4]);


extern void
_mesa_shift_and_offset_stencil(const GLcontext *ctx, GLuint n,
                               GLstencil indexes[]);


extern void
_mesa_map_stencil(const GLcontext *ctx, GLuint n, GLstencil index[]);


extern void
_mesa_chan_to_float_span(const GLcontext *ctx, GLuint n,
                         CONST GLchan rgba[][4], GLfloat rgbaf[][4]);


extern void 
_mesa_update_pixel( GLcontext *ctx, GLuint newstate );

extern void 
_mesa_init_pixel( GLcontext * ctx );

/*@}*/

#endif