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
|
/*
* Copyright (C) 2014 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 "PlatformDisplayWayland.h"
#if PLATFORM(WAYLAND)
#include "GLContextEGL.h"
#include "WaylandSurface.h"
#include <cstring>
#include <glib.h>
#include <wtf/Assertions.h>
namespace WebCore {
const struct wl_registry_listener PlatformDisplayWayland::m_registryListener = {
PlatformDisplayWayland::globalCallback,
PlatformDisplayWayland::globalRemoveCallback
};
void PlatformDisplayWayland::globalCallback(void* data, struct wl_registry* registry, uint32_t name, const char* interface, uint32_t)
{
auto display = static_cast<PlatformDisplayWayland*>(data);
if (!std::strcmp(interface, "wl_compositor"))
display->m_compositor = static_cast<struct wl_compositor*>(wl_registry_bind(registry, name, &wl_compositor_interface, 1));
else if (!std::strcmp(interface, "wl_webkitgtk"))
display->m_webkitgtk = static_cast<struct wl_webkitgtk*>(wl_registry_bind(registry, name, &wl_webkitgtk_interface, 1));
}
void PlatformDisplayWayland::globalRemoveCallback(void*, struct wl_registry*, uint32_t)
{
// FIXME: if this can happen without the UI Process getting shut down
// we should probably destroy our cached display instance.
}
std::unique_ptr<PlatformDisplayWayland> PlatformDisplayWayland::create()
{
struct wl_display* wlDisplay = wl_display_connect(nullptr);
if (!wlDisplay) {
WTFLogAlways("PlatformDisplayWayland initialization: failed to connect to the Wayland server socket. Check your WAYLAND_DISPLAY or WAYLAND_SOCKET environment variables.");
return nullptr;
}
auto display = std::unique_ptr<PlatformDisplayWayland>(new PlatformDisplayWayland(wlDisplay));
if (!display->isInitialized()) {
WTFLogAlways("PlatformDisplayWayland initialization: failed to complete the initialization of the display.");
return nullptr;
}
return display;
}
PlatformDisplayWayland::PlatformDisplayWayland(struct wl_display* wlDisplay)
: m_display(wlDisplay)
, m_registry(wl_display_get_registry(m_display))
, m_eglConfigChosen(false)
{
wl_registry_add_listener(m_registry, &m_registryListener, this);
wl_display_roundtrip(m_display);
static const EGLint configAttributes[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, 1,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
m_eglDisplay = eglGetDisplay(m_display);
PlatformDisplay::initializeEGLDisplay();
if (m_eglDisplay == EGL_NO_DISPLAY)
return;
EGLint numberOfConfigs;
if (!eglChooseConfig(m_eglDisplay, configAttributes, &m_eglConfig, 1, &numberOfConfigs) || numberOfConfigs != 1) {
g_warning("PlatformDisplayWayland initialization: failed to find the desired EGL configuration.");
return;
}
m_eglConfigChosen = true;
}
PlatformDisplayWayland::~PlatformDisplayWayland()
{
if (m_webkitgtk)
wl_webkitgtk_destroy(m_webkitgtk);
if (m_compositor)
wl_compositor_destroy(m_compositor);
if (m_registry)
wl_registry_destroy(m_registry);
if (m_display)
wl_display_disconnect(m_display);
}
std::unique_ptr<WaylandSurface> PlatformDisplayWayland::createSurface(const IntSize& size, int widgetId)
{
struct wl_surface* wlSurface = wl_compositor_create_surface(m_compositor);
// We keep the minimum size at 1x1px since Mesa returns null values in wl_egl_window_create() for zero width or height.
EGLNativeWindowType nativeWindow = wl_egl_window_create(wlSurface, std::max(1, size.width()), std::max(1, size.height()));
wl_webkitgtk_set_surface_for_widget(m_webkitgtk, wlSurface, widgetId);
wl_display_roundtrip(m_display);
return std::make_unique<WaylandSurface>(wlSurface, nativeWindow);
}
std::unique_ptr<GLContextEGL> PlatformDisplayWayland::createSharingGLContext()
{
class OffscreenContextData : public GLContext::Data {
public:
virtual ~OffscreenContextData()
{
wl_egl_window_destroy(nativeWindow);
wl_surface_destroy(surface);
}
struct wl_surface* surface;
EGLNativeWindowType nativeWindow;
};
auto contextData = std::make_unique<OffscreenContextData>();
contextData->surface = wl_compositor_create_surface(m_compositor);
contextData->nativeWindow = wl_egl_window_create(contextData->surface, 1, 1);
auto nativeWindow = contextData->nativeWindow;
return GLContextEGL::createWindowContext(nativeWindow, nullptr, WTFMove(contextData));
}
} // namespace WebCore
#endif // PLATFORM(WAYLAND)
|
