TextureCacheCV.h   [plain text]


/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 * 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
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#ifndef TextureCacheCV_h
#define TextureCacheCV_h

#include "GraphicsTypes3D.h"
#include <wtf/Ref.h>
#include <wtf/RetainPtr.h>
#include <wtf/WeakPtr.h>

typedef struct  __CVBuffer* CVImageBufferRef;
typedef CVImageBufferRef CVOpenGLTextureRef;
typedef CVImageBufferRef CVOpenGLESTextureRef;
typedef struct __CVOpenGLTextureCache *CVOpenGLTextureCacheRef;
typedef struct __CVOpenGLESTextureCache *CVOpenGLESTextureCacheRef;

namespace WebCore {

class GraphicsContext3D;

class TextureCacheCV {
public:
    static std::unique_ptr<TextureCacheCV> create(GraphicsContext3D&);

#if PLATFORM(IOS)
    typedef CVOpenGLESTextureCacheRef  TextureCacheType;
    typedef CVOpenGLESTextureRef TextureType;
#else
    typedef CVOpenGLTextureCacheRef  TextureCacheType;
    typedef CVOpenGLTextureRef TextureType;
#endif

    TextureCacheCV(GraphicsContext3D&, RetainPtr<TextureCacheType>&&);

    RetainPtr<TextureType> textureFromImage(CVImageBufferRef, GC3Denum outputTarget, GC3Dint level, GC3Denum internalFormat, GC3Denum format, GC3Denum type);
    GraphicsContext3D& context() { return m_context.get(); }

private:
    Ref<GraphicsContext3D> m_context;
    RetainPtr<TextureCacheType> m_cache;
    WeakPtrFactory<TextureCacheCV> m_weakPtrFactory;
};

}

#endif // TextureCacheCV_h