OpenGL etc

// https://www.khronos.org/opengl/wiki/History_of_OpenGL
// VBO : since GL 1.5
// Shader : since GL 2.0
// VAO : since ES 3.0, GL 3.0 - https://www.khronos.org/registry/OpenGL-Refpages/es3.0/html/glGenVertexArrays.xhtml
// UBO : since ES 3.0, GL 3.1
// Framebuffer : since GL 3.0, ES 2.0