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Hash : 55efe37c
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Date : 2019-07-03T11:52:21
Vulkan: Cleanup buffer dependencies onWrite now sets the dependency to make sure the order of setting dependency and adding memory barrier is correct. onReadByBuffer is added to handle buffer-to-buffer dependency and barrier setting correctly without causing a graph loop. onExternalWrite is added so that BufferVk doesn't have to track write access flags. Additionally, setting write dependencies now include both read and write flags. This is in preparation for SSBO support where the buffer can be used to read data in addition to write. Bug: angleproject:3561 Change-Id: I2028186ea14459cd159cf79f6d640df54538fc62 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1687119 Reviewed-by: Tim Van Patten <timvp@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
