lightpass.h

#ifndef LIGHTPASS_H
#define LIGHTPASS_H

#include "renderpass.h"

class LightPass: public RenderPass {
public:
    LightPass();
    ~LightPass();
    void render() override;
    void cleanup() override;

    void addObjectInput(VaoChannel &vaoChannel);

    void removeObjectInput(VaoChannel &vaoChannel);

    void clearObjectInput();

    void setDepthMapInput(TextureChannel &textureChannel);

    TextureChannel &getImageOutput();

    bool imageToScreen();
    void removeInput();
    void updateResolution() override;

    static void linkVpMat(QMatrix4x4 &vp);
private:
    std::list<VaoChannel*> objectIn;
    TextureChannel *depthMapIn, *imageOut;
    GLuint fbo;
    static GLuint vertexShader, fragmentShader, shaderProgram, loc_mvp, loc_depthMap, loc_resolution;
    static QMatrix4x4 *vpMat;
    static unsigned char instanceCounter;
    float *splatScale;
    bool initialized;

    bool generateFBO();
    void removeFBO();
    bool init();
    static bool initShaders();
    static void cleanupShaders();
};

#endif // LIGHTPASS_H