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anv/rt: Don't always set disableOpacityCull bit

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Setting this bit always might hurt performance. It might forces
traversal to treat all leafs always valid.

Cc: mesa-stable
Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Felix DeGrood <felix.j.degrood@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39053>
This commit is contained in:
Sagar Ghuge 2025-12-20 23:10:05 -08:00 • committed by Marge Bot
parent e8f1dc687c
commit 61691034ac
1 changed files with 0 additions and 6 deletions
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6
src/intel/vulkan/bvh/encode.comp
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@ -85,8 +85,6 @@ encode_leaf_node(uint32_t type, uint64_t src_node, uint64_t dst_node, REF(anv_ac
/* sub-type (4-bit) encoded on 24-bit index */
geometry_id_and_flags |= (ANV_SUB_TYPE_QUAD & 0xF) << 24;
/* Set disable opacity culling by default */
geometry_id_and_flags |= (1 << 29);
/* Disable the second triangle */
uint32_t prim_index1_delta = 0;
@ -129,8 +127,6 @@ encode_leaf_node(uint32_t type, uint64_t src_node, uint64_t dst_node, REF(anv_ac
/* sub-type (4-bit) encoded on 24-bit index */
geometry_id_and_flags |= (ANV_SUB_TYPE_PROCEDURAL & 0xF) << 24;
/* Set disable opacity culling by default */
geometry_id_and_flags |= (1 << 29);
if ((src.geometry_id_and_flags & VK_GEOMETRY_OPAQUE) != 0) {
geometry_id_and_flags |= (ANV_GEOMETRY_FLAG_OPAQUE << 30);
@ -184,7 +180,6 @@ encode_leaf_node(uint32_t type, uint64_t src_node, uint64_t dst_node, REF(anv_ac
uint32_t inst_flags_and_the_rest = 0;
inst_flags_and_the_rest |= get_instance_flag(instance_flags | (src.sbt_offset_and_flags >> 24));
inst_flags_and_the_rest |= (1 << 29);
inst_flags_and_the_rest |=
((get_instance_flag(src.sbt_offset_and_flags >> 24) & ANV_INSTANCE_FLAG_FORCE_OPAQUE) != 0 ?
ANV_GEOMETRY_FLAG_OPAQUE : 0) << 30;
@ -198,7 +193,6 @@ encode_leaf_node(uint32_t type, uint64_t src_node, uint64_t dst_node, REF(anv_ac
uint32_t instance_contribution_and_geom_flags = 0;
instance_contribution_and_geom_flags |= src.sbt_offset_and_flags & 0xffffff;
instance_contribution_and_geom_flags |= (1 << 29);
instance_contribution_and_geom_flags |=
((get_instance_flag(src.sbt_offset_and_flags >> 24) & ANV_INSTANCE_FLAG_FORCE_OPAQUE) != 0 ?
ANV_GEOMETRY_FLAG_OPAQUE : 0) << 30;