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nir: add intrinsics for ray queries

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13718>
This commit is contained in:
Lionel Landwerlin
2021-06-07 16:20:28 +03:00
committed by Marge Bot
parent 0800ec2c77
commit 0d6f050b46
2 changed files with 43 additions and 0 deletions
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21
src/compiler/nir/nir.h
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@@ -5318,6 +5318,27 @@ nir_addition_might_overflow(nir_shader *shader, struct hash_table *range_ht,
nir_ssa_scalar ssa, unsigned const_val,
const nir_unsigned_upper_bound_config *config);
typedef enum {
nir_ray_query_value_intersection_type,
nir_ray_query_value_intersection_t,
nir_ray_query_value_intersection_instance_custom_index,
nir_ray_query_value_intersection_instance_id,
nir_ray_query_value_intersection_instance_sbt_index,
nir_ray_query_value_intersection_geometry_index,
nir_ray_query_value_intersection_primitive_index,
nir_ray_query_value_intersection_barycentrics,
nir_ray_query_value_intersection_front_face,
nir_ray_query_value_intersection_object_ray_direction,
nir_ray_query_value_intersection_object_ray_origin,
nir_ray_query_value_intersection_object_to_world,
nir_ray_query_value_intersection_world_to_object,
nir_ray_query_value_intersection_candidate_aabb_opaque,
nir_ray_query_value_tmin,
nir_ray_query_value_flags,
nir_ray_query_value_world_ray_direction,
nir_ray_query_value_world_ray_origin,
} nir_ray_query_value;
#include "nir_inline_helpers.h"
#ifdef __cplusplus

22
src/compiler/nir/nir_intrinsics.py
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@@ -492,6 +492,28 @@ intrinsic("terminate_ray")
# src[] = { sbt_index, payload }
intrinsic("execute_callable", src_comp=[1, -1])
# Initialize a ray query
#
# 0. Ray Query
# 1. Acceleration Structure
# 2. Ray Flags
# 3. Cull Mask
# 4. Ray Origin
# 5. Ray Tmin
# 6. Ray Direction
# 7. Ray Tmax
intrinsic("rq_initialize", src_comp=[-1, -1, 1, 1, 3, 1, 3, 1])
# src[] = { query }
intrinsic("rq_terminate", src_comp=[-1])
# src[] = { query }
intrinsic("rq_proceed", src_comp=[-1], dest_comp=1)
# src[] = { query, hit }
intrinsic("rq_generate_intersection", src_comp=[-1, 1])
# src[] = { query }
intrinsic("rq_confirm_intersection", src_comp=[-1])
# src[] = { query, committed } BASE=nir_ray_query_value
intrinsic("rq_load", src_comp=[-1, 1], dest_comp=0, indices=[BASE,COLUMN])
# Driver independent raytracing helpers
# rt_resume is a helper that that be the first instruction accesing the