1/*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
5 * Copyright (C) 1999-2010  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 PACK_H
28#define PACK_H
29
30
31#include "glheader.h"
32
33struct gl_context;
34struct gl_pixelstore_attrib;
35
36extern void
37_mesa_unpack_polygon_stipple(const GLubyte *pattern, GLuint dest[32],
38                             const struct gl_pixelstore_attrib *unpacking);
39
40
41extern void
42_mesa_pack_polygon_stipple(const GLuint pattern[32], GLubyte *dest,
43                           const struct gl_pixelstore_attrib *packing);
44
45
46extern void
47_mesa_pack_bitmap(GLint width, GLint height, const GLubyte *source,
48                  GLubyte *dest, const struct gl_pixelstore_attrib *packing);
49
50
51extern void
52_mesa_unpack_stencil_span(struct gl_context *ctx, GLuint n,
53                          GLenum dstType, GLvoid *dest,
54                          GLenum srcType, const GLvoid *source,
55                          const struct gl_pixelstore_attrib *srcPacking,
56                          GLbitfield transferOps);
57
58extern void
59_mesa_pack_stencil_span(struct gl_context *ctx, GLuint n,
60                        GLenum dstType, GLvoid *dest, const GLubyte *source,
61                        const struct gl_pixelstore_attrib *dstPacking);
62
63
64extern void
65_mesa_unpack_depth_span(struct gl_context *ctx, GLuint n,
66                        GLenum dstType, GLvoid *dest, GLuint depthMax,
67                        GLenum srcType, const GLvoid *source,
68                        const struct gl_pixelstore_attrib *srcPacking);
69
70extern void
71_mesa_pack_depth_span(struct gl_context *ctx, GLuint n, GLvoid *dest,
72                      GLenum dstType, const GLfloat *depthSpan,
73                      const struct gl_pixelstore_attrib *dstPacking);
74
75
76extern void
77_mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n,
78                              GLenum dstType, GLuint *dest,
79                              const GLfloat *depthVals,
80                              const GLubyte *stencilVals,
81                              const struct gl_pixelstore_attrib *dstPacking);
82
83
84extern void *
85_mesa_unpack_image(GLuint dimensions,
86                   GLsizei width, GLsizei height, GLsizei depth,
87                   GLenum format, GLenum type, const GLvoid *pixels,
88                   const struct gl_pixelstore_attrib *unpack);
89
90extern void
91_mesa_pack_luminance_from_rgba_float(GLuint n, GLfloat rgba[][4],
92                                     GLvoid *dstAddr, GLenum dst_format,
93                                     GLbitfield transferOps);
94
95extern void
96_mesa_pack_luminance_from_rgba_integer(GLuint n, GLuint rgba[][4], bool rgba_is_signed,
97                                       GLvoid *dstAddr, GLenum dst_format,
98                                       GLenum dst_type);
99
100extern GLfloat *
101_mesa_unpack_color_index_to_rgba_float(struct gl_context *ctx, GLuint dims,
102                                       const void *src, GLenum srcFormat, GLenum srcType,
103                                       int srcWidth, int srcHeight, int srcDepth,
104                                       const struct gl_pixelstore_attrib *srcPacking,
105                                       GLbitfield transferOps);
106
107extern GLubyte *
108_mesa_unpack_color_index_to_rgba_ubyte(struct gl_context *ctx, GLuint dims,
109                                       const void *src, GLenum srcFormat, GLenum srcType,
110                                       int srcWidth, int srcHeight, int srcDepth,
111                                       const struct gl_pixelstore_attrib *srcPacking,
112                                       GLbitfield transferOps);
113
114#endif
115