India/cocos2d-x/cocos/vr/CCVRGenericRenderer.h

/****************************************************************************
 Copyright (c) 2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 http://www.cocos2d-x.org

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 all copies or substantial portions of the Software.

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#ifndef CCVRGenericRenderer_hpp
#define CCVRGenericRenderer_hpp

#include "vr/CCVRProtocol.h"
#include "renderer/CCCustomCommand.h"
#include "renderer/CCFrameBuffer.h"

NS_CC_BEGIN

class Camera;
class Sprite;
class DistortionMesh;
class Distortion;
class GLProgramState;
class VRGenericHeadTracker;

struct CC_DLL VREye
{
    enum class EyeType {
        MONO,
        LEFT,
        RIGHT,
    };

    EyeType type;
    experimental::Viewport viewport;
};

class CC_DLL VRGenericRenderer : public VRIRenderer
{
public:
    VRGenericRenderer();
    virtual ~VRGenericRenderer();

    virtual void setup(GLView* glview) override;
    virtual void cleanup() override;
    virtual void render(Scene* scene, Renderer* renderer) override;
    virtual VRIHeadTracker* getHeadTracker() override;

protected:
    void setupGLProgram();
    void renderDistortionMesh(DistortionMesh *mesh, Texture2D* texture);
    DistortionMesh* createDistortionMesh(VREye::EyeType eyeType);

    experimental::FrameBuffer* _fb;
    Size _texSize;
    VREye _leftEye;
    VREye _rightEye;
    DistortionMesh* _leftDistortionMesh;
    DistortionMesh* _rightDistortionMesh;
    Distortion* _distortion;
    bool _vignetteEnabled;
    
    GLProgramState* _glProgramState;
    VRGenericHeadTracker* _headTracker;
};

NS_CC_END

#endif // CCVRGenericRenderer_hpp