Framebuffer.h

#pragma once
 
#include "../../GLSLProgram.h"
 
class Framebuffer
{
private:
    float _rectangleVertices[24] =
    {
        // Coords    // texCoords
         1.0f, -1.0f,  1.0f, 0.0f,
        -1.0f, -1.0f,  0.0f, 0.0f,
        -1.0f,  1.0f,  0.0f, 1.0f,
 
         1.0f,  1.0f,  1.0f, 1.0f,
         1.0f, -1.0f,  1.0f, 0.0f,
        -1.0f,  1.0f,  0.0f, 1.0f
    };
 
    unsigned int _rectVAO, _rectVBO;
 
    unsigned int _FBO;
    unsigned int _RBO;
 
    unsigned int _multisampledFBO;
    unsigned int _multisampledRBO;
 
public:
    bool _multisampleEnabled = false;
    int _multisamples = 0;
 
    static void SetMultisample(bool enable) {
        if (enable) {
            glEnable(GL_MULTISAMPLE);
        }
        else {
            glDisable(GL_MULTISAMPLE);
        }
    }
 
    uint32_t _framebufferTexture;
    uint32_t _multisampledTexture;
 
    int _width, _height;
 
    Framebuffer();
    ~Framebuffer();
 
    void init(int windowWidth, int windowHeight, bool enableMSAA, int MSAA_samples = 0);
 
    void attachMultisampleTexture(int windowWidth, int windowHeight);
 
    void attachTexture(int windowWidth, int windowHeight);
 
    void Bind();
    void Unbind();
};