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
|
/*
* Mesa 3-D graphics library
*
* Copyright (C) 2011 Morgan Armand <morgan.devel@gmail.com>
*
* 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 and this permission notice 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <windows.h>
#define WGL_WGLEXT_PROTOTYPES
#include <GL/gl.h>
#include <GL/wglext.h>
#include "stw_icd.h"
#include "stw_context.h"
HGLRC WINAPI
wglCreateContextAttribsARB(HDC hDC, HGLRC hShareContext, const int *attribList)
{
int majorVersion = 1, minorVersion = 0, layerPlane = 0;
int contextFlags = 0x0;
int profileMask = WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
int i;
BOOL done = FALSE;
/* parse attrib_list */
if (attribList) {
for (i = 0; !done && attribList[i]; i++) {
switch (attribList[i]) {
case WGL_CONTEXT_MAJOR_VERSION_ARB:
majorVersion = attribList[++i];
break;
case WGL_CONTEXT_MINOR_VERSION_ARB:
minorVersion = attribList[++i];
break;
case WGL_CONTEXT_LAYER_PLANE_ARB:
layerPlane = attribList[++i];
break;
case WGL_CONTEXT_FLAGS_ARB:
contextFlags = attribList[++i];
break;
case WGL_CONTEXT_PROFILE_MASK_ARB:
profileMask = attribList[++i];
break;
case 0:
/* end of list */
done = TRUE;
break;
default:
/* bad attribute */
SetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
}
}
/* check version (generate ERROR_INVALID_VERSION_ARB if bad) */
switch (majorVersion) {
case 1:
if (minorVersion < 0 || minorVersion > 5) {
SetLastError(ERROR_INVALID_VERSION_ARB);
return NULL;
}
break;
case 2:
if (minorVersion < 0 || minorVersion > 1) {
SetLastError(ERROR_INVALID_VERSION_ARB);
return NULL;
}
break;
case 3:
if (minorVersion < 0 || minorVersion > 3) {
SetLastError(ERROR_INVALID_VERSION_ARB);
return NULL;
}
break;
case 4:
if (minorVersion < 0 || minorVersion > 2) {
SetLastError(ERROR_INVALID_VERSION_ARB);
return NULL;
}
break;
default:
return NULL;
}
if ((contextFlags & WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB) &&
majorVersion < 3) {
SetLastError(ERROR_INVALID_VERSION_ARB);
return NULL;
}
/* check profileMask */
if (profileMask != WGL_CONTEXT_CORE_PROFILE_BIT_ARB &&
profileMask != WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB) {
SetLastError(ERROR_INVALID_PROFILE_ARB);
return NULL;
}
return (HGLRC) stw_create_context_attribs(hDC, layerPlane,
(DHGLRC) (UINT_PTR) hShareContext,
majorVersion, minorVersion,
contextFlags, profileMask);
}
|
