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radv: Fix the t comparison for triangles

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The accept range is defined like this:
Triangles: tmin < t < tmax
AABBs: tmin <= t <= tmax

(See https://www.khronos.org/registry/vulkan/specs/1.3-extensions/html/vkspec.html#ray-intersection-candidate-determination)

Signed-off-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17123>
This commit is contained in:
Konstantin Seurer 2022-06-18 12:22:01 +02:00 • committed by Marge Bot
parent 1ec7e51997
commit 9196fd3e1f
1 changed files with 2 additions and 2 deletions
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4
src/amd/vulkan/radv_pipeline_rt.c
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@ -1160,8 +1160,8 @@ insert_traversal_triangle_case(struct radv_device *device,
0)));
nir_push_if(b, nir_iand(b,
nir_iand(b, nir_fge(b, nir_load_var(b, vars->tmax), dist),
nir_fge(b, dist, nir_load_var(b, vars->tmin))),
nir_iand(b, nir_flt(b, dist, nir_load_var(b, vars->tmax)),
nir_flt(b, nir_load_var(b, vars->tmin), dist)),
not_cull));
{