A glActiveTexture glAttachShader B glBindAttribLocation glBindBuffer glBindFramebuffer glBindRenderbuffer glBindTexture glBlendColor glBlendEquation glBlendEquationSeparate glBlendFunc glBlendFuncSeparate glBufferData glBufferSubData C glCheckFramebufferStatus glClear glClearColor glClearDepthf glClearStencil glColorMask glCompileShader glCompressedTexImage2D glCompressedTexSubImage2D glCopyTexIma