mesa: Add RGBA to Luminance conversion helpers
[mesa.git] / src / mesa / main / pack.h
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
34 extern void
35 _mesa_unpack_polygon_stipple(const GLubyte *pattern, GLuint dest[32],
36 const struct gl_pixelstore_attrib *unpacking);
37
38
39 extern void
40 _mesa_pack_polygon_stipple(const GLuint pattern[32], GLubyte *dest,
41 const struct gl_pixelstore_attrib *packing);
42
43
44 extern GLvoid *
45 _mesa_unpack_bitmap(GLint width, GLint height, const GLubyte *pixels,
46 const struct gl_pixelstore_attrib *packing);
47
48 extern void
49 _mesa_pack_bitmap(GLint width, GLint height, const GLubyte *source,
50 GLubyte *dest, const struct gl_pixelstore_attrib *packing);
51
52
53 extern 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
61 extern 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
70 extern 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
78 extern 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
85 extern 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
93 extern 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
100 extern 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
107 extern 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
113 extern 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
119 extern 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
125 extern 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
133 extern 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
140 void
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
146 void
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
152 extern void
153 _mesa_rebase_rgba_float(GLuint n, GLfloat rgba[][4], GLenum baseFormat);
154
155 extern void
156 _mesa_rebase_rgba_uint(GLuint n, GLuint rgba[][4], GLenum baseFormat);
157
158 extern void
159 _mesa_pack_luminance_from_rgba_float(GLuint n, GLfloat rgba[][4],
160 GLvoid *dstAddr, GLenum dst_format,
161 GLbitfield transferOps);
162
163 extern void
164 _mesa_pack_luminance_from_rgba_integer(GLuint n, GLuint rgba[][4], bool rgba_is_signed,
165 GLvoid *dstAddr, GLenum dst_format,
166 GLenum dst_type);
167
168 #endif