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/*
Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2012 Company 100, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef WebCoordinatedSurface_h
#define WebCoordinatedSurface_h
#if USE(COORDINATED_GRAPHICS)
#include "ShareableBitmap.h"
#include <WebCore/CoordinatedSurface.h>
#if USE(GRAPHICS_SURFACE)
#include "GraphicsSurface.h"
#endif
namespace WebCore {
class BitmapTexture;
class GraphicsContext;
}
namespace WebKit {
class WebCoordinatedSurface : public WebCore::CoordinatedSurface {
public:
class Handle {
WTF_MAKE_NONCOPYABLE(Handle);
public:
Handle();
void encode(CoreIPC::ArgumentEncoder&) const;
static bool decode(CoreIPC::ArgumentDecoder&, Handle&);
#if USE(GRAPHICS_SURFACE)
WebCore::GraphicsSurfaceToken graphicsSurfaceToken() const { return m_graphicsSurfaceToken; }
#endif
private:
friend class WebCoordinatedSurface;
mutable ShareableBitmap::Handle m_bitmapHandle;
#if USE(GRAPHICS_SURFACE)
WebCore::GraphicsSurfaceToken m_graphicsSurfaceToken;
#endif
WebCore::IntSize m_size;
WebCore::CoordinatedSurface::Flags m_flags;
};
// Create a new WebCoordinatedSurface, and allocate either a GraphicsSurface or a ShareableBitmap as backing.
static PassRefPtr<WebCoordinatedSurface> create(const WebCore::IntSize&, Flags);
// Create a shareable surface from a handle.
static PassRefPtr<WebCoordinatedSurface> create(const Handle&);
// Create a handle.
bool createHandle(Handle&);
virtual ~WebCoordinatedSurface();
virtual void paintToSurface(const WebCore::IntRect&, WebCore::CoordinatedSurface::Client*) OVERRIDE;
#if USE(TEXTURE_MAPPER)
virtual void copyToTexture(PassRefPtr<WebCore::BitmapTexture>, const WebCore::IntRect& target, const WebCore::IntPoint& sourceOffset) OVERRIDE;
#endif
private:
WebCoordinatedSurface(const WebCore::IntSize&, Flags, PassRefPtr<ShareableBitmap>);
// Create a WebCoordinatedSurface referencing an existing ShareableBitmap.
static PassRefPtr<WebCoordinatedSurface> create(const WebCore::IntSize&, Flags, PassRefPtr<ShareableBitmap>);
PassOwnPtr<WebCore::GraphicsContext> createGraphicsContext(const WebCore::IntRect&);
#if USE(GRAPHICS_SURFACE)
WebCoordinatedSurface(const WebCore::IntSize&, Flags, PassRefPtr<WebCore::GraphicsSurface>);
// Create a shareable bitmap backed by a graphics surface.
static PassRefPtr<WebCoordinatedSurface> createWithSurface(const WebCore::IntSize&, Flags);
// Create a WebCoordinatedSurface referencing an existing GraphicsSurface.
static PassRefPtr<WebCoordinatedSurface> create(const WebCore::IntSize&, Flags, PassRefPtr<WebCore::GraphicsSurface>);
bool isBackedByGraphicsSurface() const { return !!m_graphicsSurface; }
#endif
RefPtr<ShareableBitmap> m_bitmap;
#if USE(GRAPHICS_SURFACE)
RefPtr<WebCore::GraphicsSurface> m_graphicsSurface;
#endif
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
#endif // WebCoordinatedSurface_h
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