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radv/bvh: Remove unused build_instance helper

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This is in common code now.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32797>
This commit is contained in:
Natalie Vock
2024-12-29 13:53:15 +01:00
committed by Marge Bot
parent b1f6d3b6b7
commit 444bd02255
1 changed files with 0 additions and 50 deletions
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50
src/amd/vulkan/bvh/build_helpers.h
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@@ -148,23 +148,6 @@ build_aabb(inout vk_aabb bounds, VOID_REF src_ptr, VOID_REF dst_ptr, uint32_t ge
return is_valid;
}
vk_aabb
calculate_instance_node_bounds(radv_accel_struct_header header, mat3x4 otw_matrix)
{
vk_aabb aabb;
for (uint32_t comp = 0; comp < 3; ++comp) {
aabb.min[comp] = otw_matrix[comp][3];
aabb.max[comp] = otw_matrix[comp][3];
for (uint32_t col = 0; col < 3; ++col) {
aabb.min[comp] +=
min(otw_matrix[comp][col] * header.aabb.min[col], otw_matrix[comp][col] * header.aabb.max[col]);
aabb.max[comp] +=
max(otw_matrix[comp][col] * header.aabb.min[col], otw_matrix[comp][col] * header.aabb.max[col]);
}
}
return aabb;
}
uint32_t
encode_sbt_offset_and_flags(uint32_t src)
{
@@ -181,39 +164,6 @@ encode_sbt_offset_and_flags(uint32_t src)
return ret;
}
bool
build_instance(inout vk_aabb bounds, VOID_REF src_ptr, VOID_REF dst_ptr, uint32_t global_id)
{
REF(radv_bvh_instance_node) node = REF(radv_bvh_instance_node)(dst_ptr);
AccelerationStructureInstance instance = DEREF(REF(AccelerationStructureInstance)(src_ptr));
/* An inactive instance is one whose acceleration structure handle is VK_NULL_HANDLE. Since the active terminology is
* only relevant for BVH updates, which we do not implement, we can also skip instances with mask == 0.
*/
if (instance.accelerationStructureReference == 0 || instance.custom_instance_and_mask < (1u << 24u))
return false;
radv_accel_struct_header instance_header =
DEREF(REF(radv_accel_struct_header)(instance.accelerationStructureReference));
DEREF(node).bvh_ptr = addr_to_node(instance.accelerationStructureReference + instance_header.bvh_offset);
DEREF(node).bvh_offset = instance_header.bvh_offset;
mat4 transform = mat4(instance.transform);
mat4 inv_transform = transpose(inverse(transpose(transform)));
DEREF(node).wto_matrix = mat3x4(inv_transform);
DEREF(node).otw_matrix = mat3x4(transform);
bounds = calculate_instance_node_bounds(instance_header, mat3x4(transform));
DEREF(node).custom_instance_and_mask = instance.custom_instance_and_mask;
DEREF(node).sbt_offset_and_flags = encode_sbt_offset_and_flags(instance.sbt_offset_and_flags);
DEREF(node).instance_id = global_id;
return true;
}
/** Compute ceiling of integer quotient of A divided by B.
From macros.h */
#define DIV_ROUND_UP(A, B) (((A) + (B)-1) / (B))