1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "glheader.h"
#include <GL/gl.h>
#include "glxserver.h"
#include "singlesize.h"
#include "indirect_size_get.h"
/*
** These routines compute the size of variable-size returned parameters.
** Unlike the similar routines that do the same thing for variable-size
** incoming parameters, the samplegl library itself doesn't use these routines.
** Hence, they are located here, in the GLX extension library.
*/
GLint
__glReadPixels_size(GLenum format, GLenum type, GLint w, GLint h)
{
return __glXImageSize(format, type, 0, w, h, 1, 0, 0, 0, 0, 4);
}
GLint
__glGetMap_size(GLenum target, GLenum query)
{
GLint k, order = 0, majorMinor[2];
/*
** Assume target and query are both valid.
*/
switch (target) {
case GL_MAP1_COLOR_4:
case GL_MAP1_NORMAL:
case GL_MAP1_INDEX:
case GL_MAP1_TEXTURE_COORD_1:
case GL_MAP1_TEXTURE_COORD_2:
case GL_MAP1_TEXTURE_COORD_3:
case GL_MAP1_TEXTURE_COORD_4:
case GL_MAP1_VERTEX_3:
case GL_MAP1_VERTEX_4:
switch (query) {
case GL_COEFF:
k = __glMap1d_size(target);
glGetMapiv(target, GL_ORDER, &order);
/*
** The query above might fail, but then order will be zero anyway.
*/
return order * k;
case GL_DOMAIN:
return 2;
case GL_ORDER:
return 1;
}
break;
case GL_MAP2_COLOR_4:
case GL_MAP2_NORMAL:
case GL_MAP2_INDEX:
case GL_MAP2_TEXTURE_COORD_1:
case GL_MAP2_TEXTURE_COORD_2:
case GL_MAP2_TEXTURE_COORD_3:
case GL_MAP2_TEXTURE_COORD_4:
case GL_MAP2_VERTEX_3:
case GL_MAP2_VERTEX_4:
switch (query) {
case GL_COEFF:
k = __glMap2d_size(target);
majorMinor[0] = majorMinor[1] = 0;
glGetMapiv(target, GL_ORDER, majorMinor);
/*
** The query above might fail, but then majorMinor will be zeroes
*/
return majorMinor[0] * majorMinor[1] * k;
case GL_DOMAIN:
return 4;
case GL_ORDER:
return 2;
}
break;
}
return -1;
}
GLint
__glGetMapdv_size(GLenum target, GLenum query)
{
return __glGetMap_size(target, query);
}
GLint
__glGetMapfv_size(GLenum target, GLenum query)
{
return __glGetMap_size(target, query);
}
GLint
__glGetMapiv_size(GLenum target, GLenum query)
{
return __glGetMap_size(target, query);
}
GLint
__glGetPixelMap_size(GLenum map)
{
GLint size;
GLenum query;
switch (map) {
case GL_PIXEL_MAP_I_TO_I:
query = GL_PIXEL_MAP_I_TO_I_SIZE;
break;
case GL_PIXEL_MAP_S_TO_S:
query = GL_PIXEL_MAP_S_TO_S_SIZE;
break;
case GL_PIXEL_MAP_I_TO_R:
query = GL_PIXEL_MAP_I_TO_R_SIZE;
break;
case GL_PIXEL_MAP_I_TO_G:
query = GL_PIXEL_MAP_I_TO_G_SIZE;
break;
case GL_PIXEL_MAP_I_TO_B:
query = GL_PIXEL_MAP_I_TO_B_SIZE;
break;
case GL_PIXEL_MAP_I_TO_A:
query = GL_PIXEL_MAP_I_TO_A_SIZE;
break;
case GL_PIXEL_MAP_R_TO_R:
query = GL_PIXEL_MAP_R_TO_R_SIZE;
break;
case GL_PIXEL_MAP_G_TO_G:
query = GL_PIXEL_MAP_G_TO_G_SIZE;
break;
case GL_PIXEL_MAP_B_TO_B:
query = GL_PIXEL_MAP_B_TO_B_SIZE;
break;
case GL_PIXEL_MAP_A_TO_A:
query = GL_PIXEL_MAP_A_TO_A_SIZE;
break;
default:
return -1;
}
glGetIntegerv(query, &size);
return size;
}
GLint
__glGetPixelMapfv_size(GLenum map)
{
return __glGetPixelMap_size(map);
}
GLint
__glGetPixelMapuiv_size(GLenum map)
{
return __glGetPixelMap_size(map);
}
GLint
__glGetPixelMapusv_size(GLenum map)
{
return __glGetPixelMap_size(map);
}
GLint
__glGetTexImage_size(GLenum target, GLint level, GLenum format,
GLenum type, GLint width, GLint height, GLint depth)
{
return __glXImageSize(format, type, target, width, height, depth,
0, 0, 0, 0, 4);
}
|
