[kvark]

It's not absolutely impossible. DXBC was well reverse engineered, and DXIL could also be a direct target for translation. It's up to future work, which for us also includes writing an in house shader converter as a substitute to SPIRV-Cross.

This isn't a big concern at the moment though, since most of the shader loading/compiling time is spent by the driver receiving the result, not us translating it.

Generating a text shader at packaging time is certainly an option to explore, especially for self-contained users like WebRender. The trouble here is that we adjust the shader code based on the pipeline and pipeline layout, so we can only really start translation at the run/init time, unless we start pre-packaging a set of "popular" configurations (which is feasible for WebRender).