| Age | Commit message (Collapse) | Author | |
|---|---|---|---|
| 2020-11-23 | Fix QPainter non-determinism on macOS | Andrew Chow | |
| Aplies a patch to Qt that fixes the non-determinism by modifying Qt. The source of the non-determinism is how LLVM 8 optimizes qt_intersect_spans when compiling. The particular optimization that seems to be causing the problems is that a temp variable is being added for spans->y. For some reason, when it does this, it chooses different instructions to use when making that variable. We bypass this problem by patching qt_intersect_spans to always make and use this local variable. | |||
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