pack.h revision 848b8605 
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 "mtypes.h"
32
33
34extern void
35_mesa_unpack_polygon_stipple(const GLubyte *pattern, GLuint dest[32],
36                             const struct gl_pixelstore_attrib *unpacking);
37
38
39extern void
40_mesa_pack_polygon_stipple(const GLuint pattern[32], GLubyte *dest,
41                           const struct gl_pixelstore_attrib *packing);
42
43
44extern GLvoid *
45_mesa_unpack_bitmap(GLint width, GLint height, const GLubyte *pixels,
46                    const struct gl_pixelstore_attrib *packing);
47
48extern void
49_mesa_pack_bitmap(GLint width, GLint height, const GLubyte *source,
50                  GLubyte *dest, const struct gl_pixelstore_attrib *packing);
51
52
53extern void
54_mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n,
55                           GLfloat rgba[][4],
56                           GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
57                           const struct gl_pixelstore_attrib *dstPacking,
58                           GLbitfield transferOps);
59
60
61extern void
62_mesa_unpack_color_span_ubyte(struct gl_context *ctx,
63                             GLuint n, GLenum dstFormat, GLubyte dest[],
64                             GLenum srcFormat, GLenum srcType,
65                             const GLvoid *source,
66                             const struct gl_pixelstore_attrib *srcPacking,
67                             GLbitfield transferOps);
68
69
70extern void
71_mesa_unpack_color_span_float(struct gl_context *ctx,
72                              GLuint n, GLenum dstFormat, GLfloat dest[],
73                              GLenum srcFormat, GLenum srcType,
74                              const GLvoid *source,
75                              const struct gl_pixelstore_attrib *srcPacking,
76                              GLbitfield transferOps);
77
78extern void
79_mesa_unpack_color_span_uint(struct gl_context *ctx,
80                             GLuint n, GLenum dstFormat, GLuint *dest,
81                             GLenum srcFormat, GLenum srcType,
82                             const GLvoid *source,
83                             const struct gl_pixelstore_attrib *srcPacking);
84
85extern void
86_mesa_unpack_index_span(struct gl_context *ctx, GLuint n,
87                        GLenum dstType, GLvoid *dest,
88                        GLenum srcType, const GLvoid *source,
89                        const struct gl_pixelstore_attrib *srcPacking,
90                        GLbitfield transferOps);
91
92
93extern void
94_mesa_pack_index_span(struct gl_context *ctx, GLuint n,
95                      GLenum dstType, GLvoid *dest, const GLuint *source,
96                      const struct gl_pixelstore_attrib *dstPacking,
97                      GLbitfield transferOps);
98
99
100extern void
101_mesa_unpack_stencil_span(struct gl_context *ctx, GLuint n,
102                          GLenum dstType, GLvoid *dest,
103                          GLenum srcType, const GLvoid *source,
104                          const struct gl_pixelstore_attrib *srcPacking,
105                          GLbitfield transferOps);
106
107extern void
108_mesa_pack_stencil_span(struct gl_context *ctx, GLuint n,
109                        GLenum dstType, GLvoid *dest, const GLubyte *source,
110                        const struct gl_pixelstore_attrib *dstPacking);
111
112
113extern void
114_mesa_unpack_depth_span(struct gl_context *ctx, GLuint n,
115                        GLenum dstType, GLvoid *dest, GLuint depthMax,
116                        GLenum srcType, const GLvoid *source,
117                        const struct gl_pixelstore_attrib *srcPacking);
118
119extern void
120_mesa_pack_depth_span(struct gl_context *ctx, GLuint n, GLvoid *dest,
121                      GLenum dstType, const GLfloat *depthSpan,
122                      const struct gl_pixelstore_attrib *dstPacking);
123
124
125extern void
126_mesa_pack_depth_stencil_span(struct gl_context *ctx,GLuint n,
127                              GLenum dstType, GLuint *dest,
128                              const GLfloat *depthVals,
129                              const GLubyte *stencilVals,
130                              const struct gl_pixelstore_attrib *dstPacking);
131
132
133extern void *
134_mesa_unpack_image(GLuint dimensions,
135                   GLsizei width, GLsizei height, GLsizei depth,
136                   GLenum format, GLenum type, const GLvoid *pixels,
137                   const struct gl_pixelstore_attrib *unpack);
138
139
140void
141_mesa_pack_rgba_span_from_uints(struct gl_context *ctx, GLuint n, GLuint rgba[][4],
142                                GLenum dstFormat, GLenum dstType,
143                                GLvoid *dstAddr);
144
145
146void
147_mesa_pack_rgba_span_from_ints(struct gl_context *ctx, GLuint n, GLint rgba[][4],
148                               GLenum dstFormat, GLenum dstType,
149                               GLvoid *dstAddr);
150
151
152extern void
153_mesa_rebase_rgba_float(GLuint n, GLfloat rgba[][4], GLenum baseFormat);
154
155extern void
156_mesa_rebase_rgba_uint(GLuint n, GLuint rgba[][4], GLenum baseFormat);
157
158#endif
159