cmake DOPENSUBDIV_HAS_GLSL_COMPUTE examples

PixarAnimationStudios/OpenSubdiv CMakeLists.txt :538 

add_definitions(
        -DOPENSUBDIV_HAS_GLSL_COMPUTE
    )

lighttransport/tinyusdz src/osd/CMakeLists.txt :516 

add_definitions(
        -DOPENSUBDIV_HAS_GLSL_COMPUTE
    )