r300/r600: add drm-shim support (and fix another r300 nir-to-tgsi swtcl crash)
I haven't worked out how to connect this to some actual CI, yet, but it's already been useful for evaluating r300/r600 fixes.
I haven't worked out how to connect this to some actual CI, yet, but it's already been useful for evaluating r300/r600 fixes.