#include "Shader.h"
#include "imgui/stb_image.h"

Texture::Texture(std::string file_name)
{
	int width, height, channel;
	unsigned char * image;	
	glActiveTexture(GL_TEXTURE0);
	glGenTextures(1, &tex_ref);
	glBindTexture(GL_TEXTURE_2D, tex_ref);
		
	image = stbi_load(file_name.c_str(), &width, &height, &channel, 0);

	GLuint enum_rgb = GL_RGB + (channel == 4);

	glTexImage2D(GL_TEXTURE_2D, 0, enum_rgb, width, height, 0, enum_rgb,
		GL_UNSIGNED_BYTE, image);
	glGenerateMipmap(GL_TEXTURE_2D);

	stbi_image_free(image);
	glBindTexture(GL_TEXTURE_2D, 0);
}

Texture::Texture(const Texture &other)
{
	tex_ref = other.tex_ref;
}


Texture::~Texture()
{
}