mesa/src/amd/vulkan/bvh/leaf.comp
Samuel Pitoiset 87fde606cf radv: use SPDX-License-Identifier
Only files under src/amd/vulkan/** are concerned.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28599>
2024-04-08 07:17:31 +00:00

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3.6 KiB
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/*
* Copyright © 2022 Konstantin Seurer
*
* SPDX-License-Identifier: MIT
*/
#version 460
#extension GL_GOOGLE_include_directive : require
#extension GL_EXT_shader_explicit_arithmetic_types_int8 : require
#extension GL_EXT_shader_explicit_arithmetic_types_int16 : require
#extension GL_EXT_shader_explicit_arithmetic_types_int32 : require
#extension GL_EXT_shader_explicit_arithmetic_types_int64 : require
#extension GL_EXT_shader_explicit_arithmetic_types_float16 : require
#extension GL_EXT_scalar_block_layout : require
#extension GL_EXT_buffer_reference : require
#extension GL_EXT_buffer_reference2 : require
#extension GL_KHR_shader_subgroup_vote : require
#extension GL_KHR_shader_subgroup_arithmetic : require
#extension GL_KHR_shader_subgroup_ballot : require
layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in;
#include "build_interface.h"
layout(push_constant) uniform CONSTS {
leaf_args args;
};
void
main(void)
{
uint32_t global_id = gl_GlobalInvocationID.x;
uint32_t primitive_id = args.geom_data.first_id + global_id;
REF(key_id_pair) id_ptr = INDEX(key_id_pair, args.ids, primitive_id);
uint32_t src_offset = global_id * args.geom_data.stride;
uint32_t dst_stride;
uint32_t node_type;
if (args.geom_data.geometry_type == VK_GEOMETRY_TYPE_TRIANGLES_KHR) {
dst_stride = SIZEOF(radv_bvh_triangle_node);
node_type = radv_ir_node_triangle;
} else if (args.geom_data.geometry_type == VK_GEOMETRY_TYPE_AABBS_KHR) {
dst_stride = SIZEOF(radv_bvh_aabb_node);
node_type = radv_ir_node_aabb;
} else {
dst_stride = SIZEOF(radv_bvh_instance_node);
node_type = radv_ir_node_instance;
}
uint32_t dst_offset = primitive_id * dst_stride;
VOID_REF dst_ptr = OFFSET(args.bvh, dst_offset);
radv_aabb bounds;
bool is_active;
if (args.geom_data.geometry_type == VK_GEOMETRY_TYPE_TRIANGLES_KHR) {
is_active = build_triangle(bounds, dst_ptr, args.geom_data, global_id);
} else if (args.geom_data.geometry_type == VK_GEOMETRY_TYPE_AABBS_KHR) {
VOID_REF src_ptr = OFFSET(args.geom_data.data, src_offset);
is_active = build_aabb(bounds, src_ptr, dst_ptr, args.geom_data.geometry_id, global_id);
} else {
VOID_REF src_ptr = OFFSET(args.geom_data.data, src_offset);
/* arrayOfPointers */
if (args.geom_data.stride == 8) {
src_ptr = DEREF(REF(VOID_REF)(src_ptr));
}
is_active = build_instance(bounds, src_ptr, dst_ptr, global_id);
}
#if ALWAYS_ACTIVE
if (!is_active && args.geom_data.geometry_type != VK_GEOMETRY_TYPE_INSTANCES_KHR) {
bounds.min = vec3(0.0);
bounds.max = vec3(0.0);
is_active = true;
}
#endif
if (is_active) {
REF(radv_ir_node) ir_node = INDEX(radv_ir_node, args.ir, primitive_id);
DEREF(ir_node).aabb = bounds;
}
uint32_t ir_offset = primitive_id * SIZEOF(radv_ir_node);
DEREF(id_ptr).id = is_active ? pack_ir_node_id(ir_offset, node_type) : RADV_BVH_INVALID_NODE;
uvec4 ballot = subgroupBallot(is_active);
if (subgroupElect())
atomicAdd(DEREF(args.header).active_leaf_count, subgroupBallotBitCount(ballot));
atomicMin(DEREF(args.header).min_bounds[0], to_emulated_float(bounds.min.x));
atomicMin(DEREF(args.header).min_bounds[1], to_emulated_float(bounds.min.y));
atomicMin(DEREF(args.header).min_bounds[2], to_emulated_float(bounds.min.z));
atomicMax(DEREF(args.header).max_bounds[0], to_emulated_float(bounds.max.x));
atomicMax(DEREF(args.header).max_bounds[1], to_emulated_float(bounds.max.y));
atomicMax(DEREF(args.header).max_bounds[2], to_emulated_float(bounds.max.z));
}