1 /* Copyright (C) <2018> Philippe Normand <philn@igalia.com>
2 * Copyright (C) <2018> Žan Doberšek <zdobersek@igalia.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
24 #include <gst/gl/gstglfuncs.h>
25 #include <gst/gl/egl/gstgldisplay_egl.h>
26 #include <wpe/extensions/audio.h>
28 #include <wpe/fdo-egl.h>
29 #include <wpe/webkit.h>
30 #include "gstwpevideosrc.h"
32 typedef struct _GstGLContext GstGLContext;
33 typedef struct _GstGLDisplay GstGLDisplay;
34 typedef struct _GstEGLImage GstEGLImage;
36 #if defined(WPE_FDO_CHECK_VERSION) && WPE_FDO_CHECK_VERSION(1, 7, 0)
37 #define ENABLE_SHM_BUFFER_SUPPORT 1
39 #define ENABLE_SHM_BUFFER_SUPPORT 0
44 WPEView(WebKitWebContext*, GstWpeVideoSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
47 bool operator!() const { return m_isValid; }
49 /* Used by wpevideosrc */
50 void resize(int width, int height);
51 void loadUri(const gchar*);
52 void loadData(GBytes*);
53 void setDrawBackground(gboolean);
55 void registerAudioReceiver(const struct wpe_audio_receiver*, gpointer);
60 void dispatchKeyboardEvent(struct wpe_input_keyboard_event&);
61 void dispatchPointerEvent(struct wpe_input_pointer_event&);
62 void dispatchAxisEvent(struct wpe_input_axis_event&);
64 /* Used by WPEContextThread */
65 bool hasUri() const { return webkit.uri; }
66 void disconnectLoadFailedSignal();
67 void waitLoadCompletion();
70 void handleExportedImage(gpointer);
71 #if ENABLE_SHM_BUFFER_SUPPORT
72 void handleExportedBuffer(struct wpe_fdo_shm_exported_buffer*);
76 struct wpe_view_backend* backend() const;
78 void loadUriUnlocked(const gchar*);
79 void notifyLoadFinished();
81 void releaseImage(gpointer);
82 #if ENABLE_SHM_BUFFER_SUPPORT
83 void releaseSHMBuffer(gpointer);
84 static void s_releaseSHMBuffer(gpointer);
88 GstGLContext* context;
89 GstGLDisplay* display;
90 GstGLDisplayEGL* display_egl;
91 } gst { nullptr, nullptr, nullptr };
93 static struct wpe_view_backend_exportable_fdo_egl_client s_exportableEGLClient;
94 #if ENABLE_SHM_BUFFER_SUPPORT
95 static struct wpe_view_backend_exportable_fdo_client s_exportableClient;
98 static void s_releaseImage(GstEGLImage*, gpointer);
100 struct wpe_view_backend_exportable_fdo* exportable;
103 } wpe { nullptr, 0, 0, };
108 } webkit = { nullptr, nullptr };
110 bool m_isValid { false };
118 // This mutex guards access to either egl or shm resources declared below,
119 // depending on the runtime behavior.
123 GstEGLImage* pending;
124 GstEGLImage* committed;
125 } egl { nullptr, nullptr };
129 GstBuffer* committed;
130 } shm { nullptr, nullptr };
134 class WPEContextThread {
136 static WPEContextThread& singleton();
141 WPEView* createWPEView(GstWpeVideoSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
143 template<typename Function>
144 void dispatch(Function);
147 static gpointer s_viewThread(gpointer);
151 GThread* thread { nullptr };
155 GMainContext* context;
157 WebKitWebContext* web_context;
158 } glib { nullptr, nullptr, nullptr };