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/*
* Copyright (C) 2021 Sony Interactive Entertainment Inc.
*
* 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. ``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
* 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 "RemoteGraphicsContextGLProxy.h"
#if ENABLE(GPU_PROCESS) && ENABLE(WEBGL) && USE(GRAPHICS_LAYER_WC)
#include "GPUConnectionToWebProcess.h"
#include "GPUProcessConnection.h"
#include "RemoteGraphicsContextGLMessages.h"
#include "RemoteRenderingBackendProxy.h"
#include "WCPlatformLayerGCGL.h"
#include "WebProcess.h"
#include <WebCore/GraphicsLayerContentsDisplayDelegate.h>
#include <WebCore/TextureMapperPlatformLayer.h>
namespace WebKit {
namespace {
class PlatformLayerDisplayDelegate final : public WebCore::GraphicsLayerContentsDisplayDelegate {
public:
static Ref<PlatformLayerDisplayDelegate> create(PlatformLayerContainer&& platformLayer)
{
return adoptRef(*new PlatformLayerDisplayDelegate(WTFMove(platformLayer)));
}
PlatformLayer* platformLayer() const final
{
return m_platformLayer.get();
}
private:
PlatformLayerDisplayDelegate(PlatformLayerContainer&& platformLayer)
: m_platformLayer(WTFMove(platformLayer))
{
}
PlatformLayerContainer m_platformLayer;
};
class RemoteGraphicsContextGLProxyWC final : public RemoteGraphicsContextGLProxy {
WTF_DEPRECATED_MAKE_FAST_ALLOCATED(RemoteGraphicsContextGLProxyWC);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RemoteGraphicsContextGLProxyWC);
public:
// RemoteGraphicsContextGLProxy overrides.
void prepareForDisplay() final;
RefPtr<WebCore::GraphicsLayerContentsDisplayDelegate> layerContentsDisplayDelegate() final { return m_layerContentsDisplayDelegate.ptr(); }
private:
explicit RemoteGraphicsContextGLProxyWC(const WebCore::GraphicsContextGLAttributes& attributes, RemoteRenderingBackendProxy& renderingBackend)
: RemoteGraphicsContextGLProxy(attributes, renderingBackend)
, m_layerContentsDisplayDelegate(PlatformLayerDisplayDelegate::create(makeUnique<WCPlatformLayerGCGL>()))
{
}
const Ref<PlatformLayerDisplayDelegate> m_layerContentsDisplayDelegate;
friend class RemoteGraphicsContextGLProxy;
};
void RemoteGraphicsContextGLProxyWC::prepareForDisplay()
{
if (isContextLost())
return;
auto sendResult = sendSync(Messages::RemoteGraphicsContextGL::PrepareForDisplay());
if (!sendResult.succeeded()) {
markContextLost();
return;
}
auto& [contentBuffer] = sendResult.reply();
if (!contentBuffer)
return;
m_hasPreparedForDisplay = true;
static_cast<WCPlatformLayerGCGL*>(m_layerContentsDisplayDelegate->platformLayer())->addContentBufferIdentifier(*contentBuffer);
}
}
Ref<RemoteGraphicsContextGLProxy> RemoteGraphicsContextGLProxy::platformCreate(const WebCore::GraphicsContextGLAttributes& attributes, RemoteRenderingBackendProxy& renderingBackend)
{
return adoptRef(*new RemoteGraphicsContextGLProxyWC(attributes, renderingBackend));
}
}
#endif
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