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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
#include <wtf/Noncopyable.h>
typedef struct _cairo cairo_t;
#if USE(GTK4)
typedef struct _GdkSnapshot GdkSnapshot;
typedef GdkSnapshot GtkSnapshot;
#endif
namespace WebCore {
class IntRect;
}
namespace WebKit {
class LayerTreeContext;
class WebPageProxy;
class AcceleratedBackingStore {
WTF_MAKE_NONCOPYABLE(AcceleratedBackingStore); WTF_MAKE_FAST_ALLOCATED;
public:
static bool checkRequirements();
static std::unique_ptr<AcceleratedBackingStore> create(WebPageProxy&);
virtual ~AcceleratedBackingStore() = default;
virtual void update(const LayerTreeContext&) { }
#if USE(GTK4)
virtual void snapshot(GtkSnapshot*) = 0;
#else
virtual bool paint(cairo_t*, const WebCore::IntRect&) = 0;
#endif
virtual void realize() { };
virtual void unrealize() { };
virtual bool makeContextCurrent() { return false; }
virtual int renderHostFileDescriptor() { return -1; }
protected:
AcceleratedBackingStore(WebPageProxy&);
WebPageProxy& m_webPage;
};
} // namespace WebKit
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