- glBindFramebuffer(GL_READ_FRAMEBUFFER, m_render_fbo);
- glBlitFramebuffer(0, 0, m_width, m_height, 0, 0, m_width, m_height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, m_render_fbo); // read pixels from this FrameBuffer
+ glBlitFramebuffer(0, 0, m_width, m_height, 0, 0, m_width, m_height, GL_COLOR_BUFFER_BIT, GL_NEAREST); // draw pixels