kc3-lang/angle

2022-09-07T17:44:56

Fix UNSYNCHRONIZED glMapBufferRange test The test makes a buffer and puts in [red, red, red, zero, zero, zero]. It then maps the zero, zero, zero portion with glMapBufferRange(...GL_MAP_UNSYNCHRONIZED_BIT...). It writes green over the zeros, and unmaps. But, because GL_MAP_UNSYNCHRONIZED_BIT was passed in there is no guarnatee the original values have been put in the buffer yet. If they have not then the greens will be over-written. Bug: angleproject:7640 Change-Id: I7d3bf54afb01bca3cc440f998ae1fad0ce1e5e8e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3881166 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Gregg Tavares <gman@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>