Commit e1befb35d4688500faf05736d0b2b8cbec2585a9
2021-09-09T15:53:32
fix a EXT_buffer_storage issue. According to spec, GL_MAP_PERSISTENT_BIT_EXT indicates that it is not an error for the GL to read data from or write data to an immutable buffer while it is mapped. Bug: b/188685164 Change-Id: I899a978dbf9c1d1ad3489063028fd5500c4bd5e1 Signed-off-by: Hailin Zhang <hailinzhang@google.com> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3151278 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com>