al_get_opengl_texture(3) al_get_opengl_texture(3) NAME al_get_opengl_texture - Allegro 5 API SYNOPSIS #include GLuint al_get_opengl_texture(ALLEGRO_BITMAP *bitmap) DESCRIPTION Returns the OpenGL texture id internally used by the given bitmap if it uses one, else 0. Example: bitmap = al_load_bitmap("my_texture.png"); texture = al_get_opengl_texture(bitmap); if (texture != 0) glBindTexture(GL_TEXTURE_2D, texture); Allegro reference manual al_get_opengl_texture(3)