1 files changed, 130 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/gtk/WaylandCompositor.h b/Source/WebKit2/UIProcess/gtk/WaylandCompositor.h
new file mode 100644
index 000000000..14b9a836d
--- /dev/null
+++ b/Source/WebKit2/UIProcess/gtk/WaylandCompositor.h
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#pragma once
+
+#if PLATFORM(WAYLAND) && USE(EGL)
+
+#include "WebPageProxy.h"
+#include <WebCore/RefPtrCairo.h>
+#include <WebCore/WlUniquePtr.h>
+#include <wtf/HashMap.h>
+#include <wtf/NeverDestroyed.h>
+#include <wtf/Noncopyable.h>
+#include <wtf/WeakPtr.h>
+#include <wtf/glib/GRefPtr.h>
+#include <wtf/text/WTFString.h>
+
+typedef void *EGLImageKHR;
+
+namespace WebCore {
+class GLContext;
+}
+
+namespace WebKit {
+
+class WebPageProxy;
+
+class WaylandCompositor {
+    WTF_MAKE_NONCOPYABLE(WaylandCompositor);
+    friend class NeverDestroyed<WaylandCompositor>;
+public:
+    static WaylandCompositor& singleton();
+
+    class Buffer {
+        WTF_MAKE_NONCOPYABLE(Buffer); WTF_MAKE_FAST_ALLOCATED;
+    public:
+        static Buffer* getOrCreate(struct wl_resource*);
+        ~Buffer();
+
+        void use();
+        void unuse();
+
+        EGLImageKHR createImage() const;
+        WebCore::IntSize size() const;
+
+        WeakPtr<Buffer> createWeakPtr() { return m_weakPtrFactory.createWeakPtr(); }
+
+    private:
+        Buffer(struct wl_resource*);
+        static void destroyListenerCallback(struct wl_listener*, void*);
+
+        struct wl_resource* m_resource { nullptr };
+        struct wl_listener m_destroyListener;
+        uint32_t m_busyCount { 0 };
+        WeakPtrFactory<Buffer> m_weakPtrFactory;
+    };
+
+    class Surface {
+        WTF_MAKE_NONCOPYABLE(Surface); WTF_MAKE_FAST_ALLOCATED;
+    public:
+        Surface();
+        ~Surface();
+
+        void attachBuffer(struct wl_resource*);
+        void requestFrame(struct wl_resource*);
+        void commit();
+
+        void setWebPage(WebPageProxy* webPage) { m_webPage = webPage; }
+        bool prepareTextureForPainting(unsigned&, WebCore::IntSize&);
+
+    private:
+        void makePendingBufferCurrent();
+
+        WeakPtr<Buffer> m_buffer;
+        WeakPtr<Buffer> m_pendingBuffer;
+        unsigned m_texture;
+        EGLImageKHR m_image;
+        WebCore::IntSize m_imageSize;
+        Vector<wl_resource*> m_frameCallbackList;
+        WebPageProxy* m_webPage { nullptr };
+    };
+
+    bool isRunning() const { return !!m_display; }
+    String displayName() const { return m_displayName; }
+
+    void bindSurfaceToWebPage(Surface*, uint64_t pageID);
+    void registerWebPage(WebPageProxy&);
+    void unregisterWebPage(WebPageProxy&);
+
+    bool getTexture(WebPageProxy&, unsigned&, WebCore::IntSize&);
+
+private:
+    WaylandCompositor();
+
+    bool initializeEGL();
+
+    String m_displayName;
+    WebCore::WlUniquePtr<struct wl_display> m_display;
+    WebCore::WlUniquePtr<struct wl_global> m_compositorGlobal;
+    WebCore::WlUniquePtr<struct wl_global> m_webkitgtkGlobal;
+    GRefPtr<GSource> m_eventSource;
+    std::unique_ptr<WebCore::GLContext> m_eglContext;
+    HashMap<WebPageProxy*, Surface*> m_pageMap;
+};
+
+} // namespace WebKit
+
+#endif // PLATFORM(WAYLAND) && USE(EGL)