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/*
* Copyright (C) 2024 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.
*/
#pragma once
#if ENABLE(WEBGL) && USE(COORDINATED_GRAPHICS) && USE(GBM)
#include "GraphicsContextGLTextureMapperANGLE.h"
#include "GraphicsLayerContentsDisplayDelegate.h"
#include <wtf/unix/UnixFileDescriptor.h>
typedef void* EGLImageKHR;
struct gbm_bo;
namespace WebCore {
class DMABufBuffer;
class GraphicsContextGLTextureMapperGBM final : public GraphicsContextGLTextureMapperANGLE {
public:
static RefPtr<GraphicsContextGLTextureMapperGBM> create(GraphicsContextGLAttributes&&, RefPtr<GraphicsLayerContentsDisplayDelegate>&& = nullptr);
virtual ~GraphicsContextGLTextureMapperGBM();
WTF::UnixFileDescriptor createExportedFence() const;
void prepareForDisplayWithFinishedSignal(Function<void()>&&);
DMABufBuffer* displayBuffer() { return m_displayBuffer.dmabuf.get(); }
#if ENABLE(WEBXR)
GCGLExternalImage createExternalImage(ExternalImageSource&&, GCGLenum internalFormat, GCGLint layer) final;
void bindExternalImage(GCGLenum target, GCGLExternalImage) final;
bool enableRequiredWebXRExtensions() final;
#endif
private:
GraphicsContextGLTextureMapperGBM(GraphicsContextGLAttributes&&, RefPtr<GraphicsLayerContentsDisplayDelegate>&&);
bool platformInitialize() override;
bool platformInitializeExtensions() override;
bool reshapeDrawingBuffer() override;
void prepareForDisplay() override;
void freeDrawingBuffers();
bool bindNextDrawingBuffer();
struct DrawingBuffer {
RefPtr<DMABufBuffer> dmabuf;
EGLImageKHR image { nullptr };
};
DrawingBuffer createDrawingBuffer() const;
struct {
uint32_t fourcc { 0 };
Vector<uint64_t, 1> modifiers;
} m_drawingBufferFormat;
DrawingBuffer m_drawingBuffer;
DrawingBuffer m_displayBuffer;
};
} // namespace WebCore
#endif // ENABLE(WEBGL) && USE(COORDINATED_GRAPHICS) && USE(GBM)
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