When calling ProgramToSkVM, you can now pass in a pointer to an
SkVMDebugInfo struct. Passing in this pointer now enables trace opcodes,
removing the need for a dedicated `fSkVMDebugTrace` flag.
In this CL, the struct is empty, but in followup CLs it will contain
mapping tables that can be used to translate trace instructions into
human-readable results (e.g. slot numbers to variable names).
Change-Id: I6b38ec559723babed1f6d2efc4c5c2579c3b99db
Bug: skia:12614
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/470398
Commit-Queue: John Stiles <johnstiles@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
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