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/*
* 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)
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