Texture.cpp

#include "Texture.h"

Texture::Texture()
    : Width{ 0 }, Height{ 0 }, Internal_Format{ GL_RGB }, Image_Format{ GL_RGB }, Wrap_S{ GL_REPEAT }, Wrap_T{ GL_REPEAT }, Filter_Min{ GL_LINEAR }, Filter_Max{ GL_LINEAR }
{
    glGenTextures(1, &this->ID);
}

void Texture::generate(unsigned int width, unsigned int height, unsigned char* data)
{
    this->Width = width;
    this->Height = height;
    // create Texture
    glBindTexture(GL_TEXTURE_2D, this->ID);
    glTexImage2D(GL_TEXTURE_2D, 0, this->Internal_Format, width, height, 0, this->Image_Format, GL_UNSIGNED_BYTE, data);
    // set Texture wrap and filter modes
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, this->Wrap_S);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, this->Wrap_T);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, this->Filter_Min);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, this->Filter_Max);
    // unbind texture
    glBindTexture(GL_TEXTURE_2D, 0);
}

void Texture::bind() const
{
    glBindTexture(GL_TEXTURE_2D, this->ID);
}