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/*
* Copyright (C) 2014 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
*/
#include "config.h"
#if USE(COORDINATED_GRAPHICS)
#include "ThreadSafeCoordinatedSurface.h"
#include <WebCore/TextureMapperGL.h>
#include <wtf/StdLibExtras.h>
using namespace WebCore;
namespace WebKit {
Ref<ThreadSafeCoordinatedSurface> ThreadSafeCoordinatedSurface::create(const IntSize& size, CoordinatedSurface::Flags flags)
{
// Making an unconditionally unaccelerated buffer here is OK because this code
// isn't used by any platforms that respect the accelerated bit.
return adoptRef(*new ThreadSafeCoordinatedSurface(size, flags, ImageBuffer::create(size, Unaccelerated)));
}
Ref<ThreadSafeCoordinatedSurface> ThreadSafeCoordinatedSurface::create(const IntSize& size, CoordinatedSurface::Flags flags, std::unique_ptr<ImageBuffer> buffer)
{
return adoptRef(*new ThreadSafeCoordinatedSurface(size, flags, WTFMove(buffer)));
}
ThreadSafeCoordinatedSurface::ThreadSafeCoordinatedSurface(const IntSize& size, CoordinatedSurface::Flags flags, std::unique_ptr<ImageBuffer> buffer)
: CoordinatedSurface(size, flags)
, m_imageBuffer(WTFMove(buffer))
{
}
ThreadSafeCoordinatedSurface::~ThreadSafeCoordinatedSurface()
{
}
void ThreadSafeCoordinatedSurface::paintToSurface(const IntRect& rect, CoordinatedSurface::Client* client)
{
ASSERT(client);
GraphicsContext& context = beginPaint(rect);
client->paintToSurfaceContext(context);
endPaint();
}
GraphicsContext& ThreadSafeCoordinatedSurface::beginPaint(const IntRect& rect)
{
ASSERT(m_imageBuffer);
GraphicsContext& graphicsContext = m_imageBuffer->context();
graphicsContext.save();
graphicsContext.clip(rect);
graphicsContext.translate(rect.x(), rect.y());
return graphicsContext;
}
void ThreadSafeCoordinatedSurface::endPaint()
{
ASSERT(m_imageBuffer);
m_imageBuffer->context().restore();
}
void ThreadSafeCoordinatedSurface::copyToTexture(PassRefPtr<BitmapTexture> passTexture, const IntRect& target, const IntPoint& sourceOffset)
{
RefPtr<BitmapTexture> texture(passTexture);
ASSERT(m_imageBuffer);
RefPtr<Image> image = m_imageBuffer->copyImage(DontCopyBackingStore);
texture->updateContents(image.get(), target, sourceOffset, BitmapTexture::UpdateCanModifyOriginalImageData);
}
} // namespace WebCore
#endif // USE(COORDINATED_GRAPHICS)
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