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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
* Copyright (C) 2022 Metrological Group B.V.
* Copyright (C) 2022 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. ``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.
*/
#pragma once
#if ENABLE(WEBGL) && USE(TEXTURE_MAPPER) && USE(ANGLE)
#include "GraphicsContextGLANGLE.h"
namespace Nicosia {
class GCGLANGLELayer;
}
namespace WebCore {
class TextureMapperGCGLPlatformLayer;
class GraphicsContextGLFallback : public GraphicsContextGLANGLE {
public:
static RefPtr<GraphicsContextGLFallback> create(WebCore::GraphicsContextGLAttributes&&);
virtual ~GraphicsContextGLFallback();
// GraphicsContextGLANGLE overrides.
RefPtr<GraphicsLayerContentsDisplayDelegate> layerContentsDisplayDelegate() final;
#if ENABLE(VIDEO)
bool copyTextureFromMedia(MediaPlayer&, PlatformGLObject texture, GCGLenum target, GCGLint level, GCGLenum internalFormat, GCGLenum format, GCGLenum type, bool premultiplyAlpha, bool flipY) final;
#endif
#if ENABLE(MEDIA_STREAM)
RefPtr<VideoFrame> paintCompositedResultsToVideoFrame() final;
#endif
void setContextVisibility(bool) final;
bool reshapeDisplayBufferBacking() final;
void prepareForDisplay() final;
GCGLuint getInternalColorFormat() const { return m_internalColorFormat; }
private:
GraphicsContextGLFallback(WebCore::GraphicsContextGLAttributes&&);
bool platformInitializeContext() final;
bool platformInitialize() final;
void prepareTexture() final;
std::unique_ptr<Nicosia::GCGLANGLELayer> m_nicosiaLayer;
RefPtr<GraphicsLayerContentsDisplayDelegate> m_layerContentsDisplayDelegate;
friend class Nicosia::GCGLANGLELayer;
};
} // namespace WebCore
#endif // ENABLE(WEBGL) && USE(TEXTURE_MAPPER) && USE(ANGLE)
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