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
|
/*
* Copyright (C) 2024 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "GLFenceEGL.h"
#if HAVE(GL_FENCE)
#include "PlatformDisplay.h"
#include <wtf/Vector.h>
#if USE(LIBEPOXY)
#include <epoxy/egl.h>
#else
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#endif
namespace WebCore {
static std::unique_ptr<GLFence> createEGLFence(EGLenum type, const Vector<EGLAttrib>& attributes)
{
EGLSync sync = nullptr;
auto& display = PlatformDisplay::sharedDisplay();
if (display.eglCheckVersion(1, 5))
sync = eglCreateSync(display.eglDisplay(), type, attributes.isEmpty() ? nullptr : attributes.data());
else {
Vector<EGLint> intAttributes = attributes.map<Vector<EGLint>>([] (EGLAttrib value) {
return value;
});
sync = eglCreateSyncKHR(display.eglDisplay(), type, intAttributes.isEmpty() ? nullptr : intAttributes.data());
}
if (sync == EGL_NO_SYNC)
return nullptr;
glFlush();
#if OS(UNIX)
bool isExportable = type == EGL_SYNC_NATIVE_FENCE_ANDROID;
#else
bool isExportable = false;
#endif
return makeUnique<GLFenceEGL>(sync, isExportable);
}
std::unique_ptr<GLFence> GLFenceEGL::create()
{
return createEGLFence(EGL_SYNC_FENCE_KHR, { });
}
#if OS(UNIX)
std::unique_ptr<GLFence> GLFenceEGL::createExportable()
{
return createEGLFence(EGL_SYNC_NATIVE_FENCE_ANDROID, { });
}
std::unique_ptr<GLFence> GLFenceEGL::importFD(UnixFileDescriptor&& fd)
{
Vector<EGLAttrib> attributes = {
EGL_SYNC_NATIVE_FENCE_FD_ANDROID, fd.release(),
EGL_NONE
};
return createEGLFence(EGL_SYNC_NATIVE_FENCE_ANDROID, attributes);
}
#endif
GLFenceEGL::GLFenceEGL(EGLSyncKHR sync, [[maybe_unused]] bool isExportable)
: m_sync(sync)
#if OS(UNIX)
, m_isExportable(isExportable)
#endif
{
}
GLFenceEGL::~GLFenceEGL()
{
auto& display = PlatformDisplay::sharedDisplay();
if (display.eglCheckVersion(1, 5))
eglDestroySync(display.eglDisplay(), m_sync);
else
eglDestroySyncKHR(display.eglDisplay(), m_sync);
}
void GLFenceEGL::clientWait()
{
auto& display = PlatformDisplay::sharedDisplay();
if (display.eglCheckVersion(1, 5))
eglClientWaitSync(display.eglDisplay(), m_sync, 0, EGL_FOREVER);
else
eglClientWaitSyncKHR(display.eglDisplay(), m_sync, 0, EGL_FOREVER_KHR);
}
void GLFenceEGL::serverWait()
{
if (!capabilities().eglServerWaitSupported) {
clientWait();
return;
}
auto& display = PlatformDisplay::sharedDisplay();
if (display.eglCheckVersion(1, 5))
eglWaitSync(display.eglDisplay(), m_sync, 0);
else
eglWaitSyncKHR(display.eglDisplay(), m_sync, 0);
}
#if OS(UNIX)
UnixFileDescriptor GLFenceEGL::exportFD()
{
if (!m_isExportable)
return { };
return UnixFileDescriptor { eglDupNativeFenceFDANDROID(PlatformDisplay::sharedDisplay().eglDisplay(), m_sync), UnixFileDescriptor::Adopt };
}
#endif
} // namespace WebCore
#endif // HAVE(GL_FENCE)
|
