GLESStereoAttribute.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_STEREO_ATTRIBUTE_H
#define META_OCEAN_RENDERING_GLES_STEREO_ATTRIBUTE_H
 
#include "ocean/rendering/glescenegraph/GLESceneGraph.h"
#include "ocean/rendering/glescenegraph/GLESAttribute.h"
 
#include "ocean/rendering/StereoAttribute.h"
 
namespace Ocean
{
 
namespace Rendering
{
 
namespace GLESceneGraph
{
 
/**
 * This class implements a GLESceneGraph stereo attribute.
 * @ingroup renderinggles
 */
class OCEAN_RENDERING_GLES_EXPORT GLESStereoAttribute :
    virtual public GLESAttribute,
    virtual public StereoAttribute
{
    friend class GLESFactory;
 
    public:
 
        /**
         * Returns the stereo visibility property.
         * @see StereoAttribute::stereoVisibility().
         */
        StereoVisibility stereoVisibility() const override;
 
        /**
         * Sets the stereo visibility property.
         * @see StereoAttribute::setStereoVisibility().
         */
        void setStereoVisibility(const StereoVisibility stereoVisibility) override;
 
        /**
         * Binds this attribute.
         * @see GLESAttribute::bindAttribute().
         */
        void bindAttribute(const GLESFramebuffer& framebuffer, GLESShaderProgram& shaderProgram) override;
 
        /**
         * Unbindes this attribute.
         * @see GLESAttribute::unbindAttribute().
         */
        void unbindAttribute() override;
 
    protected:
 
        /**
         * Creates a new GLESceneGraph stereo attribute.
         */
        GLESStereoAttribute();
 
        /**
         * Destructs a GLESceneGraph stereo attribute.
         */
        ~GLESStereoAttribute() override;
 
    protected:
 
        /// The stereo visibility property of this attribute.
        StereoVisibility stereoVisibility_;
 
        /// The previous cull face value, will be used to restore the previous state when unbinding.
        GLboolean previousCullFaceValue_;
 
        /// The previous cull face mode, will be used to restore the previous state when unbinding.
        GLint previousCullFaceMode_;
};
 
}
 
}
 
}
 
#endif // META_OCEAN_RENDERING_GLES_STEREO_ATTRIBUTE_H