Outbuf            503 src/runtime/opengl.cpp                 arg->kind = Argument::Outbuf;
Outbuf           1512 src/runtime/opengl.cpp         if (kernel_arg->kind == Argument::Outbuf) {
Outbuf           1659 src/runtime/opengl.cpp         if (kernel_arg->kind != Argument::Outbuf) continue;