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>
27 #include <wpe/fdo-egl.h>
28 #include <wpe/webkit.h>
29 #include "gstwpevideosrc.h"
31 typedef struct _GstGLContext GstGLContext;
32 typedef struct _GstGLDisplay GstGLDisplay;
33 typedef struct _GstEGLImage GstEGLImage;
35 #if defined(WPE_FDO_CHECK_VERSION) && WPE_FDO_CHECK_VERSION(1, 7, 0)
36 #define ENABLE_SHM_BUFFER_SUPPORT 1
38 #define ENABLE_SHM_BUFFER_SUPPORT 0
43 WPEView(WebKitWebContext*, GstWpeVideoSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
46 bool operator!() const { return m_isValid; }
48 /* Used by wpevideosrc */
49 void resize(int width, int height);
50 void loadUri(const gchar*);
51 void loadData(GBytes*);
52 void setDrawBackground(gboolean);
56 void dispatchKeyboardEvent(struct wpe_input_keyboard_event&);
57 void dispatchPointerEvent(struct wpe_input_pointer_event&);
58 void dispatchAxisEvent(struct wpe_input_axis_event&);
60 /* Used by WPEContextThread */
61 bool hasUri() const { return webkit.uri; }
62 void disconnectLoadFailedSignal();
63 void waitLoadCompletion();
66 void handleExportedImage(gpointer);
67 #if ENABLE_SHM_BUFFER_SUPPORT
68 void handleExportedBuffer(struct wpe_fdo_shm_exported_buffer*);
72 struct wpe_view_backend* backend() const;
74 void loadUriUnlocked(const gchar*);
75 void notifyLoadFinished();
77 void releaseImage(gpointer);
78 #if ENABLE_SHM_BUFFER_SUPPORT
79 void releaseSHMBuffer(gpointer);
80 static void s_releaseSHMBuffer(gpointer);
84 GstGLContext* context;
85 GstGLDisplay* display;
86 GstGLDisplayEGL* display_egl;
87 } gst { nullptr, nullptr, nullptr };
89 static struct wpe_view_backend_exportable_fdo_egl_client s_exportableEGLClient;
90 #if ENABLE_SHM_BUFFER_SUPPORT
91 static struct wpe_view_backend_exportable_fdo_client s_exportableClient;
94 static void s_releaseImage(GstEGLImage*, gpointer);
96 struct wpe_view_backend_exportable_fdo* exportable;
99 } wpe { nullptr, 0, 0 };
104 } webkit = { nullptr, nullptr };
106 bool m_isValid { false };
114 // This mutex guards access to either egl or shm resources declared below,
115 // depending on the runtime behavior.
119 GstEGLImage* pending;
120 GstEGLImage* committed;
121 } egl { nullptr, nullptr };
125 GstBuffer* committed;
126 } shm { nullptr, nullptr };
130 class WPEContextThread {
132 static WPEContextThread& singleton();
137 WPEView* createWPEView(GstWpeVideoSrc*, GstGLContext*, GstGLDisplay*, int width, int height);
139 template<typename Function>
140 void dispatch(Function);
143 static gpointer s_viewThread(gpointer);
147 GThread* thread { nullptr };
151 GMainContext* context;
153 WebKitWebContext* web_context;
154 } glib { nullptr, nullptr, nullptr };