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jpark37
83dd9c8540
Use general layout and 0 access masks for external synchronization as specified in the spec. Also set pipeline stages for maximum synchronization just in case because it doesn't seem like the pipeline stages are specified. "Vulkan-incompatible APIs will require the image to be in the GENERAL layout whenever they are accessing them." "Whilst it is not invalid to provide destination or source access masks for memory barriers used for release or acquire operations, respectively, they have no practical effect. Access after a release operation has undefined results, and so visibility for those accesses has no practical effect. Similarly, write access before an acquire operation will produce undefined results for future access, so availability of those writes has no practical use. In an earlier version of the specification, these were required to match on both sides - but this was subsequently relaxed. These masks should be set to 0."