apple/GLESWindowFramebuffer.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_RENDERING_GLES_APPLE_GLES_WINDOW_FRAMEBUFFER_H
#define META_OCEAN_RENDERING_GLES_APPLE_GLES_WINDOW_FRAMEBUFFER_H
 
#include "ocean/rendering/glescenegraph/GLESceneGraph.h"
#include "ocean/rendering/glescenegraph/GLESEngine.h"
#include "ocean/rendering/glescenegraph/GLESFramebuffer.h"
#include "ocean/rendering/glescenegraph/GLESTraverser.h"
 
#include "ocean/rendering/WindowFramebuffer.h"
 
namespace Ocean
{
 
namespace Rendering
{
 
namespace GLESceneGraph
{
 
namespace Apple
{
 
/**
 * This class is the base class for all GLESceneGraph window framebuffers for Apple platforms.
 * @ingroup renderinggles
 */
class OCEAN_RENDERING_GLES_EXPORT GLESWindowFramebuffer :
    virtual public GLESFramebuffer,
    virtual public WindowFramebuffer
{
    friend class GLESEngineApple;
 
    public:
 
        /**
         * Initialize the OpenGL ES dispaly and context.
         * @return True, if succeeded
         */
        bool initializeContext() override;
 
        /**
         * Returns the transformation between display and device.
         * @see Framebuffer::device_T_display()
         */
        HomogenousMatrix4 device_T_display() const override;
 
        /**
         * Sets the transformation between display and device.
         * @see Framebuffer::setDevice_T_display().
         */
        bool setDevice_T_display(const HomogenousMatrix4& device_T_display) override;
 
    private:
 
        /**
         * Creates a new window framebuffer.
         */
        GLESWindowFramebuffer();
 
        /**
         * Destructs a window framebuffer.
         */
        ~GLESWindowFramebuffer() override;
 
    protected:
 
        /// The traverser which is used for rendering.
        GLESTraverser traverser_;
 
        /// The transformation between display and device
        HomogenousMatrix4 device_T_display_;
};
 
}
 
}
 
}
 
}
 
#endif // META_OCEAN_RENDERING_GLES_APPLE_GLES_WINDOW_FRAMEBUFFER_H