added/removed #include statements as suggested by Google's IWYU.
include (approximate) line and column numbers in Xerces-C messages.
added/removed #include statements as suggested by Google's IWYU.
minor code tweaks.
added/removed #include statements as suggested by Google's IWYU.
minor code tweaks.
added/removed #include statements as suggested by Google's IWYU.
removed obsolete source file.
added/removed #include statements as suggested by Google's IWYU, and finally deleted renderer/global/global.h.
minor code tweaks.
Merge remote-tracking branch 'upstream/master' into est_bsdf_sample_refactor
Moved shading basis BSDF::sample arg to BSDFSample