CI configures without ANYPS5_ENABLE_SPIRV_TOOLS, so the shader recompiler never validates or
optimizes the SPIR-V it emits - Recompiler.cpp guards the ValidateAndOptimizeSpirv call on that
macro - and the shader tests lose the blocks that exercise it:
- ShaderMemory.cpp guards five blocks on the macro, including three expectFailure cases that are
the only coverage for rejecting invalid SPIR-V and for rejecting an unsupported Vulkan or SPIR-V
target.
- SpirvOptimizer.cpp includes the SPIRV-Tools headers, so the file is not built at all.
- README.md gives the Spirv-Tools validation as how the recompiler is known to produce valid
SPIR-V, and no job exercises it.
Add the flag to CONFIGURE. Verified with the CI command and the CI device (lavapipe, subgroup 8,
ANYPS5_REQUIRE_VULKAN=1, GALLIUM_OVERRIDE_CPU_CAPS=avx): the full suite passes 371/371 with the
flag on, with the same 20 skips, and agc_shader_memory passes.
SPIRV-Tools is a submodule built from source, so this adds build time to the job. I have not
measured how much; if it is too much, the flag can go on one job instead of the shared CONFIGURE.
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