Comment # 113
on bug 80419
from Nicolai Hähnle
Perhaps it does, and that would be bad, but the particular apitrace crash was basically the following: 1) XCOM uses DrawRangeElements with an unnecessarily large range. 2) During tracing, apitrace scans the index/elements array to determine the range of vertices that is really being used. 3) Apitrace only stores this range of vertices. 4) During playback, apitrace would send the same range via DrawRangeElements, but provide vertex data only for the range that was determined to be really used. 5) The driver, on the other hand, relies on the entire range to be there and tries to upload it to the card. This is where the crash happened (and it also explains what I said before about XCOM being slightly inefficient here)
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