Commits on Sep 22, 2023

1. [shaders] Option to force read_write access mode on all storage bindings …

   Introduced the `force_rw_storage` feature which applies a transformation
   that converts all read-only storage bindings to have the `read_write`
   access mode.
   
   This is being provided as an optional preprocessor transformation to
   work around the WebGPU standard's limitation on mixed `storage-read` and
   `storage` usages by a GPU program over the same buffer object (see
   https://www.w3.org/TR/webgpu/#programming-model-resource-usages).
   
   This limitation makes the WGSL shaders incompatible with (Skia)
   Graphite's sub-allocating buffer manager when they are run on its Dawn
   backend. This workaround will be removed once Graphite's buffer
   management system supports whole buffer bindings.

   

   armansito committed Sep 22, 2023
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