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
|
/*
* Copyright (C) 2015 Igalia S.L
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "PlatformDisplayX11.h"
#include "GLContext.h"
#if PLATFORM(X11)
#include <X11/Xlib.h>
#include <X11/extensions/Xcomposite.h>
#if PLATFORM(GTK)
#include <X11/extensions/Xdamage.h>
#endif
#if USE(EGL)
#include <EGL/egl.h>
#include <EGL/eglext.h>
#endif
namespace WebCore {
std::unique_ptr<PlatformDisplay> PlatformDisplayX11::create()
{
Display* display = XOpenDisplay(getenv("DISPLAY"));
if (!display)
return nullptr;
return std::make_unique<PlatformDisplayX11>(display, NativeDisplayOwned::Yes);
}
PlatformDisplayX11::PlatformDisplayX11(Display* display, NativeDisplayOwned displayOwned)
: PlatformDisplay(displayOwned)
, m_display(display)
{
}
PlatformDisplayX11::~PlatformDisplayX11()
{
#if USE(EGL) || USE(GLX)
// Clear the sharing context before releasing the display.
m_sharingGLContext = nullptr;
#endif
if (m_nativeDisplayOwned == NativeDisplayOwned::Yes)
XCloseDisplay(m_display);
}
#if USE(EGL)
void PlatformDisplayX11::initializeEGLDisplay()
{
#if defined(EGL_KHR_platform_x11)
const char* extensions = eglQueryString(nullptr, EGL_EXTENSIONS);
if (GLContext::isExtensionSupported(extensions, "EGL_KHR_platform_base")) {
if (auto* getPlatformDisplay = reinterpret_cast<PFNEGLGETPLATFORMDISPLAYEXTPROC>(eglGetProcAddress("eglGetPlatformDisplay")))
m_eglDisplay = getPlatformDisplay(EGL_PLATFORM_X11_KHR, m_display, nullptr);
} else if (GLContext::isExtensionSupported(extensions, "EGL_EXT_platform_base")) {
if (auto* getPlatformDisplay = reinterpret_cast<PFNEGLGETPLATFORMDISPLAYEXTPROC>(eglGetProcAddress("eglGetPlatformDisplayEXT")))
m_eglDisplay = getPlatformDisplay(EGL_PLATFORM_X11_KHR, m_display, nullptr);
} else
#endif
m_eglDisplay = eglGetDisplay(m_display);
PlatformDisplay::initializeEGLDisplay();
}
#endif // USE(EGL)
bool PlatformDisplayX11::supportsXComposite() const
{
if (!m_supportsXComposite) {
if (m_display) {
int eventBase, errorBase;
m_supportsXComposite = XCompositeQueryExtension(m_display, &eventBase, &errorBase);
} else
m_supportsXComposite = false;
}
return m_supportsXComposite.value();
}
bool PlatformDisplayX11::supportsXDamage(std::optional<int>& damageEventBase, std::optional<int>& damageErrorBase) const
{
if (!m_supportsXDamage) {
m_supportsXDamage = false;
#if PLATFORM(GTK)
if (m_display) {
int eventBase, errorBase;
m_supportsXDamage = XDamageQueryExtension(m_display, &eventBase, &errorBase);
if (m_supportsXDamage.value()) {
m_damageEventBase = eventBase;
m_damageErrorBase = errorBase;
}
}
#endif
}
damageEventBase = m_damageEventBase;
damageErrorBase = m_damageErrorBase;
return m_supportsXDamage.value();
}
} // namespace WebCore
#endif // PLATFORM(X11)
|
