#include "../../HEADERS/EFFECTS/Scene.h"

extern "C" {
#include "../../GLES_3_1_compatibility.h"
}

/* REPLACED
#include <GL/freeglut.h>
*/
#include <glut.h>



#include <glm/gtc/matrix_transform.hpp>
#include <string>
#include <iostream>

using namespace glm;

Scene::Scene(int left, int top, int width, int height)
	: PseudoContext { left, top, width, height }
{
	glGenFramebuffers(1, &FBO);
	glGenRenderbuffers(1, &depthRBO);
	glBindRenderbuffer(GL_RENDERBUFFER, depthRBO);
	glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, width, height);
	glBindRenderbuffer(GL_RENDERBUFFER, 0);
}

void Scene::draw() {
	glBindFramebuffer(GL_FRAMEBUFFER, FBO);
	glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, outputTexture, 0);
	glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, depthRBO);
	GLenum DrawBuffers[2] = { GL_COLOR_ATTACHMENT0, GL_DEPTH_STENCIL_ATTACHMENT };
	glDrawBuffers(2, DrawBuffers);
}

void Scene::setOutTexture(GLuint outTexture) {
	outputTexture = outTexture;
}

void Scene::keyPress(unsigned char key, int x, int y) {
	switch (key)
	{
	case 27:
		exit(0);
		break;

	default:
		break;
	}
}

GLuint Scene::getFrameBuffer() {
	return this->FBO;
}