Commit 4e712be2e1b0907b565c73b53722885bcae88038
2019-01-03T13:53:59
Refactor BlockLayoutEncoder APIs for std430. This splits HLSL SSBO access into two steps. First we compute a mapping from the collected SSBO variable names to TField pointers. Then during tree traversal we use a block encoding visitor class that uses the shader names to store BlockMemberInfo structures for the structures and variables. Each nested structure is traversed separately so that the BlockMemberInfo offsets are relative to the structure start rather than the enclosing block. The array stride for a structure is the size of the struct after all the alignment is included. This gives the correct results for the SSBO access chain in the HLSL code. It also will allow us to use the same encoding and visiting logic for SSBOs on the API side. Bug: angleproject:3024 Change-Id: I42b1db0e7547782ae77fe5f64a797f803f203f45 Reviewed-on: https://chromium-review.googlesource.com/c/1352731 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>