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
|
/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2017 Martin Flöser <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "egl_context_attribute_builder.h"
#include <epoxy/egl.h>
namespace KWin
{
std::vector<int> EglContextAttributeBuilder::build() const
{
std::vector<int> attribs;
if (isVersionRequested()) {
attribs.emplace_back(EGL_CONTEXT_MAJOR_VERSION_KHR);
attribs.emplace_back(majorVersion());
attribs.emplace_back(EGL_CONTEXT_MINOR_VERSION_KHR);
attribs.emplace_back(minorVersion());
}
int contextFlags = 0;
if (isRobust()) {
attribs.emplace_back(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR);
attribs.emplace_back(EGL_LOSE_CONTEXT_ON_RESET_KHR);
contextFlags |= EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR;
}
if (isForwardCompatible()) {
contextFlags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
}
if (contextFlags != 0) {
attribs.emplace_back(EGL_CONTEXT_FLAGS_KHR);
attribs.emplace_back(contextFlags);
}
if (isCoreProfile() || isCompatibilityProfile()) {
attribs.emplace_back(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
if (isCoreProfile()) {
attribs.emplace_back(EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR);
} else if (isCompatibilityProfile()) {
attribs.emplace_back(EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR);
}
}
if (isHighPriority()) {
attribs.emplace_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
attribs.emplace_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
}
attribs.emplace_back(EGL_NONE);
return attribs;
}
std::vector<int> EglOpenGLESContextAttributeBuilder::build() const
{
std::vector<int> attribs;
attribs.emplace_back(EGL_CONTEXT_CLIENT_VERSION);
attribs.emplace_back(majorVersion());
if (isRobust()) {
attribs.emplace_back(EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT);
attribs.emplace_back(EGL_TRUE);
attribs.emplace_back(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT);
attribs.emplace_back(EGL_LOSE_CONTEXT_ON_RESET_EXT);
}
if (isHighPriority()) {
attribs.emplace_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
attribs.emplace_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
}
attribs.emplace_back(EGL_NONE);
return attribs;
}
}
|
