Texture.java

public class Texture {
    int m_RendererID;
    String filePath;
    IntBuffer width, height, m_BPP;
    ByteBuffer image;

    public Texture(String filePath) {
        this.filePath = filePath;
        width = height = m_BPP = BufferUtils.createIntBuffer(1);
        this.image = stbi_load(filePath, width, height, m_BPP, 4);
        this.m_RendererID = glGenTextures();
        glBindTexture(GL_TEXTURE_2D, this.m_RendererID);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width.get(0), height.get(0), 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
        unbind();
        if (this.image != null)
            stbi_image_free(this.image);
        else assert false: "Error: (Texture) Could not load image '" + filePath + "'";
    }
    void bind(int slot) {
        glActiveTexture(GL_TEXTURE0 + slot);
        glBindTexture(GL_TEXTURE_2D, this.m_RendererID);
    }
    void unbind() { glBindTexture(GL_TEXTURE_2D, 0); }
}