a488203e85
This splits up radv_nir_rt_shader.c into several parts.
The first part is all ray traversal lowering for RT pipelines, located
at radv_nir_rt_traversal_shader.c. It implements building the traversal
loop, including inlined any-hit/intersection shaders (optionally as a
completely separate shader).
The second part is lowering for individual RT stages (right now,
monolithic vs. CPS-style separate compilation). Each lowering technique
lives in its own file (radv_nir_rt_stage_{monolithic,cps}.c).
Code shared between RT lowering techniques (shader inlining helpers and
storage lowering passes) gets moved into radv_nir_rt_stage_common.c.
One header, radv_nir_rt_stage.h, is the public interface for RT pipeline
stage lowering. Functions exposed to users (really just
radv_pipeline_rt.c) go there. The header for internal shared helpers is
radv_nir_rt_stage_common.c.
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38809>
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