When vulkan was merged into mesa's master, the following test began to fail: deqp-vk.pipeline.push_constant.graphics_pipeline.count_3shader_vgf src/intel/vulkan/anv_nir_lower_push_constants.c:47: lower_push_constants_block: Assertion `state->is_scalar' failed.
There are patches on the list to fix this. Unfortunately, there were about 5 different bugs that all had to be fixed before it would work.
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