// Clear the previously rendered scene
    glClear(GL_COLOR_BUFFER_BIT);

/*************** AGGIORNO IL TLAS ****************************/
    Program::use(*mRaytracerUpdate);

    prapareDispatch();

    // Dispatch the compute work!
    glDispatchCompute(1 << expOfTwo_maxModels, 1, 1);

    // synchronize with the GPU
    glMemoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT);


/*************** Render ****************************************/

    // Set the raytracer program as the active one
    Program::use(*mRaytracerRender);

    // Bind the raytracer SSBO (the rendering context)
    prapareDispatch();

    // Bind the texture to be written by the raytracer
    glBindImageTexture(0, mRaytracerOutputTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA32F);

    // Set rendering information
    mRaytracerRender->setUniform("width", getWidth());
    mRaytracerRender->setUniform("height", getHeight());

    // Set camera parameters
    mDisplayWriter->setUniform("cameraPosition", glm::vec3(0, 0, 0));
    mDisplayWriter->setUniform("cameraViewDir", glm::vec3(0, 0, -1));
    mDisplayWriter->setUniform("cameraUpVector", glm::vec3(0, 1, 0));
    mDisplayWriter->setUniform("cameraFoV", glm::float32(60));
    mDisplayWriter->setUniform("cameraAspect", glm::float32(getWidth()) / glm::float32(getHeight()));

    // Dispatch the compute work!
    glDispatchCompute((GLuint)(getWidth()), (GLuint)(getHeight()), 1);

/***************** prepareDispatch() binda degli SSO: **********************/
    // Bind the raytracer SSBO (the rendering context)
    for (GLuint k = 0; k < mRaytracingSSBO.size(); ++k)
        glBindBufferBase(GL_SHADER_STORAGE_BUFFER, k, mRaytracingSSBO[k]);