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RESOLVED DUPLICATE of
bug 189125
189123
[WHLSL] Implement uniform control flow restrictions
https://bugs.webkit.org/show_bug.cgi?id=189123
Summary
[WHLSL] Implement uniform control flow restrictions
Myles C. Maxfield
Reported
2018-08-29 16:36:26 PDT
Implement uniform control flow restrictions
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Radar WebKit Bug Importer
Comment 1
2018-09-12 18:50:48 PDT
<
rdar://problem/44403001
>
Myles C. Maxfield
Comment 2
2018-09-24 10:23:53 PDT
Some standard library functions must never be called in nonuniform control flow. Right now, we have a definition of "uniform control flow" in the spec which is validated at run-time, not compile-time. We also (will) have a definition of "control flow which was arrived-at by branching on a non-uniform value" which is validated at compile-time, not run-time. This is currently only used for variables marked "uniform" (which is a totally different thing). We need to figure out whether or not we can unify these two definitions.
Myles C. Maxfield
Comment 3
2018-10-04 19:45:53 PDT
I'm going to do this in the same patch as
https://bugs.webkit.org/show_bug.cgi?id=189125
*** This bug has been marked as a duplicate of
bug 189125
***
Myles C. Maxfield
Comment 4
2018-10-13 14:49:30 PDT
Migrated to
https://github.com/gpuweb/WHLSL/issues/57
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