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/*
* Copyright (C) 2018 Metrological Group B.V.
* Copyright (C) 2018 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* HOLDER 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.
*/
#include "config.h"
#include "NicosiaImageBackingTextureMapperImpl.h"
#if USE(TEXTURE_MAPPER)
namespace Nicosia {
auto ImageBackingTextureMapperImpl::createFactory() -> Factory
{
return Factory(
[](ImageBacking&) {
return makeUnique<ImageBackingTextureMapperImpl>();
});
}
ImageBackingTextureMapperImpl::ImageBackingTextureMapperImpl() = default;
ImageBackingTextureMapperImpl::~ImageBackingTextureMapperImpl() = default;
void ImageBackingTextureMapperImpl::flushUpdate()
{
Locker locker { m_update.lock };
// If the update happens for the same image and there's no buffer, keep the current one
// so it can be received by the CoordinatedGraphicsScene. In that case we only need to update
// the isVisible flag.
if ((m_layerState.update.nativeImageID == m_update.update.nativeImageID) && !m_layerState.update.imageBackingStore) {
m_update.update.isVisible = m_layerState.update.isVisible;
return;
}
m_update.update = WTFMove(m_layerState.update);
}
auto ImageBackingTextureMapperImpl::takeUpdate() -> Update
{
Locker locker { m_update.lock };
return WTFMove(m_update.update);
}
} // namespace Nicosia
#endif
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