pixeltransfer.h revision 3464ebd5 
1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
5 * Copyright (C) 2009-2010  VMware, Inc.  All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25
26#ifndef PIXELTRANSFER_H
27#define PIXELTRANSFER_H
28
29
30#include "mtypes.h"
31
32
33extern void
34_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
35                          GLfloat rScale, GLfloat gScale,
36                          GLfloat bScale, GLfloat aScale,
37                          GLfloat rBias, GLfloat gBias,
38                          GLfloat bBias, GLfloat aBias);
39
40extern void
41_mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]);
42
43extern void
44_mesa_lookup_rgba_float(const struct gl_color_table *table,
45                        GLuint n, GLfloat rgba[][4]);
46
47extern void
48_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
49                        GLuint n, GLubyte rgba[][4]);
50
51
52extern void
53_mesa_map_ci_to_rgba(const struct gl_context *ctx,
54                     GLuint n, const GLuint index[], GLfloat rgba[][4]);
55
56
57extern void
58_mesa_map_ci8_to_rgba8(const struct gl_context *ctx,
59                       GLuint n, const GLubyte index[],
60                       GLubyte rgba[][4]);
61
62
63extern void
64_mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
65                           GLfloat depthValues[]);
66
67extern void
68_mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
69                                GLuint depthValues[]);
70
71extern void
72_mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
73                              GLuint n, GLfloat rgba[][4]);
74
75extern void
76_mesa_shift_and_offset_ci(const struct gl_context *ctx,
77                          GLuint n, GLuint indexes[]);
78
79extern void
80_mesa_apply_ci_transfer_ops(const struct gl_context *ctx,
81                            GLbitfield transferOps,
82                            GLuint n, GLuint indexes[]);
83
84
85extern void
86_mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
87                                 GLstencil stencil[]);
88
89
90#endif
91