tree d3031791574c764758d26e552afa8378d189a7ee
parent 745023ef849582956a892a4e6697cb436fb8583d
author Charlie Lao <cclao@google.com> 1691783481 -0700
committer Angle LUCI CQ <angle-scoped@luci-project-accounts.iam.gserviceaccount.com> 1692058145 +0000

Load/Save ShaderVariableBuffer::memberIndexes in one memcpy

ShaderVariableBuffer::memberIndexes is std::vector<unsigned int>, and
can be quite huge (164 on some programs in blade_and_soul_revolution).
Right now it is calling readInt for individual index and then push_back.
This causes vector to be copied as it grows size. This CL makes one
memcpy for entire vector and increase size only once.

Bug: b/275102061
Change-Id: I983ad289b126dbfd430cf94a3772c2bfd93cb1c6
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4775835
Reviewed-by: Roman Lavrov <romanl@google.com>
Commit-Queue: Charlie Lao <cclao@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>