pixeltransfer.h revision 848b8605 
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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27#ifndef PIXELTRANSFER_H
28#define PIXELTRANSFER_H
29
30
31#include "mtypes.h"
32
33
34extern void
35_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
36                          GLfloat rScale, GLfloat gScale,
37                          GLfloat bScale, GLfloat aScale,
38                          GLfloat rBias, GLfloat gBias,
39                          GLfloat bBias, GLfloat aBias);
40
41extern void
42_mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]);
43
44extern void
45_mesa_map_ci_to_rgba(const struct gl_context *ctx,
46                     GLuint n, const GLuint index[], GLfloat rgba[][4]);
47
48
49extern void
50_mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
51                           GLfloat depthValues[]);
52
53extern void
54_mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
55                                GLuint depthValues[]);
56
57extern void
58_mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
59                              GLuint n, GLfloat rgba[][4]);
60
61extern void
62_mesa_shift_and_offset_ci(const struct gl_context *ctx,
63                          GLuint n, GLuint indexes[]);
64
65extern void
66_mesa_apply_ci_transfer_ops(const struct gl_context *ctx,
67                            GLbitfield transferOps,
68                            GLuint n, GLuint indexes[]);
69
70
71extern void
72_mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
73                                 GLubyte stencil[]);
74
75
76#endif
77