mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-08 09:08:10 +02:00
anv/rt: Extract common code in separate header
Extract leaf encoding in encode.h and move some of the helper in anv_build_helper.h Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
This commit is contained in:
Sagar Ghuge
parent
ab992f89e7
commit
c7bcadc0df
5 changed files with 198 additions and 177 deletions
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@ -18,4 +18,45 @@ TYPE(child_data, 1);
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TYPE(instance_leaf_part0, 8);
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TYPE(instance_leaf_part1, 8);
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#define ULP 1.1920928955078125e-7f
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/* An offset in 64B blocks from args.output_bvh that points to output of
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* encoded nodes. Can be a leaf or internal node.
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*/
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#define BLOCK uint32_t
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#define BLOCK_OFFSET(block) (OFFSET(args.output_bvh, ANV_RT_BLOCK_SIZE * block))
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uint32_t
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get_instance_flag(uint32_t src)
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{
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return ((src >> 24) & 0xff);
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}
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vk_aabb
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conservative_aabb(vk_aabb input_aabb)
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{
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vk_aabb out_aabb;
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vec3 reduce_value = max(abs(input_aabb.min), abs(input_aabb.max));
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float err = ULP * max(reduce_value.x, max(reduce_value.y, reduce_value.z));
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out_aabb.min = input_aabb.min - vec3(err);
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out_aabb.max = input_aabb.max + vec3(err);
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return out_aabb;
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}
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void
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aabb_extend(inout vk_aabb v1, vk_aabb v2)
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{
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v1.min = min(v1.min, v2.min);
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v1.max = max(v1.max, v2.max);
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}
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vec3
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aabb_size(vk_aabb input_aabb)
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{
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return input_aabb.max - input_aabb.min;
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}
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#endif
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@ -132,7 +132,9 @@ struct anv_quad_leaf_node {
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* Reserved (9-bits)
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*/
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uint32_t prim_index1_delta;
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float v[4][3];
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float v[3][3];
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/* Second triangle coords */
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float v1[3];
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};
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struct anv_procedural_leaf_node {
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@ -9,8 +9,8 @@ layout(local_size_x = 32, local_size_y = 1, local_size_z = 1) in;
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#include "anv_build_helpers.h"
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#include "anv_build_interface.h"
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#include "encode.h"
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#define ULP 1.1920928955078125e-7f
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#define READY_TO_WRITE(offset) ((offset) < VK_NULL_BVH_OFFSET)
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#define ASSIGNED_NODE_TO_ENCODE (gl_GlobalInvocationID.x < DEREF(args.header).ir_internal_node_count)
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@ -24,12 +24,6 @@ layout(local_size_x = 32, local_size_y = 1, local_size_z = 1) in;
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#define IR_NODE uint32_t
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#define NODE_OFFSET(node) (OFFSET(args.intermediate_bvh, ir_id_to_offset(node)))
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/* An offset in 64B blocks from args.output_bvh that points to output of
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* encoded nodes. Can be a leaf or internal node.
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*/
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#define BLOCK uint32_t
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#define BLOCK_OFFSET(block) (OFFSET(args.output_bvh, ANV_RT_BLOCK_SIZE * block))
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layout(push_constant) uniform CONSTS {
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encode_args args;
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};
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@ -41,12 +35,6 @@ debug_dump(uint32_t offset, uint32_t value)
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DEREF(msg) = value;
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}
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uint32_t
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get_instance_flag(uint32_t src)
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{
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return ((src >> 24) & 0xff);
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}
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struct anv_cluster {
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/* simd lane inside cluster: 0 .. 7 */
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uint32_t idx;
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@ -77,153 +65,21 @@ encode_leaf_node(uint32_t type, IR_NODE child, uint64_t dst_node, REF(anv_accel_
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if (DEBUG_EXIT_EARLY(type))
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return;
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switch (type) {
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case vk_ir_node_triangle: {
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REF(anv_quad_leaf_node) quad_leaf = REF(anv_quad_leaf_node)(dst_node);
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vk_ir_triangle_node src = DEREF(REF(vk_ir_triangle_node)(src_node));
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uint32_t geometry_id_and_flags = src.geometry_id_and_flags & 0xffffff;
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/* sub-type (4-bit) encoded on 24-bit index */
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geometry_id_and_flags |= (ANV_SUB_TYPE_QUAD & 0xF) << 24;
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if ((src.geometry_id_and_flags & VK_GEOMETRY_OPAQUE) != 0) {
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/* Geometry opqaue (1-bit) is encoded on 30-bit index */
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geometry_id_and_flags |= (ANV_GEOMETRY_FLAG_OPAQUE << 30);
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}
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/* Disable the second triangle */
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uint32_t prim_index1_delta = 0;
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/* For now, blockIncr are all 1, so every quad leaf has its "last" bit set. */
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prim_index1_delta |= (1 << 22);
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DEREF(quad_leaf).prim_index1_delta = prim_index1_delta;
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DEREF(quad_leaf).prim_index0 = src.triangle_id;
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DEREF(quad_leaf).leaf_desc.geometry_id_and_flags = geometry_id_and_flags;
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/* shaderIndex is typically set to match geomIndex
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* Geom mask is default to 0xFF
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*/
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DEREF(quad_leaf).leaf_desc.shader_index_and_geom_mask = 0xFF000000 | (geometry_id_and_flags & 0xffffff);
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/* Setup single triangle */
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for (uint32_t i = 0; i < 3; i++) {
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for (uint32_t j = 0; j < 3; j++) {
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DEREF(quad_leaf).v[i][j] = src.coords[i][j];
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}
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}
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anv_encode_triangle(dst_node, src);
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break;
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}
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case vk_ir_node_aabb: {
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REF(anv_procedural_leaf_node) aabb_leaf = REF(anv_procedural_leaf_node)(dst_node);
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vk_ir_aabb_node src = DEREF(REF(vk_ir_aabb_node)(src_node));
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uint32_t geometry_id_and_flags = src.geometry_id_and_flags & 0xffffff;
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/* sub-type (4-bit) encoded on 24-bit index */
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geometry_id_and_flags |= (ANV_SUB_TYPE_PROCEDURAL & 0xF) << 24;
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if ((src.geometry_id_and_flags & VK_GEOMETRY_OPAQUE) != 0) {
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geometry_id_and_flags |= (ANV_GEOMETRY_FLAG_OPAQUE << 30);
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}
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DEREF(aabb_leaf).leaf_desc.geometry_id_and_flags = geometry_id_and_flags;
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/* shaderIndex is typically set to match geomIndex
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* Geom mask is default to 0xFF
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*/
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DEREF(aabb_leaf).leaf_desc.shader_index_and_geom_mask = 0xFF000000 | (geometry_id_and_flags & 0xffffff);
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/* num primitives = 1 */
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uint32_t dw1 = 1;
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/* "last" has only 1 bit, and it is set. */
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dw1 |= (1 << 31);
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DEREF(aabb_leaf).DW1 = dw1;
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DEREF(aabb_leaf).primIndex[0] = src.primitive_id;
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anv_encode_aabb(dst_node, src);
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break;
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}
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case vk_ir_node_instance: {
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vk_ir_instance_node src = DEREF(REF(vk_ir_instance_node)(src_node));
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REF(anv_instance_leaf) dst_instance = REF(anv_instance_leaf)(dst_node);
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REF(anv_accel_struct_header) blas_header = REF(anv_accel_struct_header)(src.base_ptr);
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uint64_t start_node_ptr = uint64_t(src.base_ptr) + args.output_bvh_offset;
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#if GFX_VERx10 >= 300
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DEREF(dst_instance).part0.QW_startNodePtr = start_node_ptr;
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uint32_t instance_contribution_and_geom_mask = 0;
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instance_contribution_and_geom_mask |= src.sbt_offset_and_flags & 0xffffff;
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instance_contribution_and_geom_mask |= (src.custom_instance_and_mask & 0xff000000);
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DEREF(dst_instance).part0.DW0 = instance_contribution_and_geom_mask;
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uint32_t inst_flags_and_the_rest = 0;
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inst_flags_and_the_rest |= get_instance_flag(src.sbt_offset_and_flags);
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inst_flags_and_the_rest |=
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((get_instance_flag(src.sbt_offset_and_flags) & ANV_INSTANCE_FLAG_FORCE_OPAQUE) != 0 ?
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ANV_GEOMETRY_FLAG_OPAQUE : 0) << 30;
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DEREF(dst_instance).part0.DW1 = inst_flags_and_the_rest;
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#else
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uint32_t shader_index_and_geom_mask = 0;
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shader_index_and_geom_mask |= (src.custom_instance_and_mask & 0xff000000);
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DEREF(dst_instance).part0.DW0 = shader_index_and_geom_mask;
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uint32_t instance_contribution_and_geom_flags = 0;
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instance_contribution_and_geom_flags |= src.sbt_offset_and_flags & 0xffffff;
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instance_contribution_and_geom_flags |=
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((get_instance_flag(src.sbt_offset_and_flags) & ANV_INSTANCE_FLAG_FORCE_OPAQUE) != 0 ?
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ANV_GEOMETRY_FLAG_OPAQUE : 0) << 30;
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DEREF(dst_instance).part0.DW1 = instance_contribution_and_geom_flags;
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DEREF(dst_instance).part0.QW_startNodePtr =
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(start_node_ptr & ((1ul << 48) - 1)) |
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(uint64_t(get_instance_flag(src.sbt_offset_and_flags)) << 48);
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#endif
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mat4 transform = mat4(src.otw_matrix);
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mat4 inv_transform = transpose(inverse(transpose(transform)));
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mat3x4 wto_matrix = mat3x4(inv_transform);
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mat3x4 otw_matrix = mat3x4(transform);
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/* Arrange WTO transformation matrix in column-major order */
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DEREF(dst_instance).part0.world2obj_vx_x = wto_matrix[0][0];
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DEREF(dst_instance).part0.world2obj_vx_y = wto_matrix[1][0];
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DEREF(dst_instance).part0.world2obj_vx_z = wto_matrix[2][0];
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DEREF(dst_instance).part0.obj2world_p_x = otw_matrix[0][3];
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DEREF(dst_instance).part0.world2obj_vy_x = wto_matrix[0][1];
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DEREF(dst_instance).part0.world2obj_vy_y = wto_matrix[1][1];
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DEREF(dst_instance).part0.world2obj_vy_z = wto_matrix[2][1];
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DEREF(dst_instance).part0.obj2world_p_y = otw_matrix[1][3];
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DEREF(dst_instance).part0.world2obj_vz_x = wto_matrix[0][2];
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DEREF(dst_instance).part0.world2obj_vz_y = wto_matrix[1][2];
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DEREF(dst_instance).part0.world2obj_vz_z = wto_matrix[2][2];
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DEREF(dst_instance).part0.obj2world_p_z = otw_matrix[2][3];
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/* Arrange OTW transformation matrix in column-major order */
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DEREF(dst_instance).part1.obj2world_vx_x = otw_matrix[0][0];
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DEREF(dst_instance).part1.obj2world_vx_y = otw_matrix[1][0];
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DEREF(dst_instance).part1.obj2world_vx_z = otw_matrix[2][0];
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DEREF(dst_instance).part1.world2obj_p_x = wto_matrix[0][3];
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DEREF(dst_instance).part1.obj2world_vy_x = otw_matrix[0][1];
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DEREF(dst_instance).part1.obj2world_vy_y = otw_matrix[1][1];
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DEREF(dst_instance).part1.obj2world_vy_z = otw_matrix[2][1];
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DEREF(dst_instance).part1.world2obj_p_y = wto_matrix[1][3];
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DEREF(dst_instance).part1.obj2world_vz_x = otw_matrix[0][2];
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DEREF(dst_instance).part1.obj2world_vz_y = otw_matrix[1][2];
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DEREF(dst_instance).part1.obj2world_vz_z = otw_matrix[2][2];
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DEREF(dst_instance).part1.world2obj_p_z = wto_matrix[2][3];
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DEREF(dst_instance).part1.bvh_ptr = src.base_ptr;
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DEREF(dst_instance).part1.instance_index = src.instance_id;
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DEREF(dst_instance).part1.instance_id = src.custom_instance_and_mask & 0xffffff;
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anv_encode_instance(dst_node, src);
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uint64_t instance_leaves_addr_base = args.instance_leaves_addr;
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uint64_t slot = ir_id_to_offset(child) / SIZEOF(vk_ir_instance_node);
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DEREF(INDEX(uint64_t, instance_leaves_addr_base, slot)) = dst_node;
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@ -232,33 +88,6 @@ encode_leaf_node(uint32_t type, IR_NODE child, uint64_t dst_node, REF(anv_accel_
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}
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}
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vk_aabb
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conservative_aabb(vk_aabb input_aabb)
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{
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vk_aabb out_aabb;
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vec3 reduce_value = max(abs(input_aabb.min), abs(input_aabb.max));
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float err = ULP * max(reduce_value.x, max(reduce_value.y, reduce_value.z));
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out_aabb.min = input_aabb.min - vec3(err);
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out_aabb.max = input_aabb.max + vec3(err);
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return out_aabb;
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}
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void
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aabb_extend(inout vk_aabb v1, vk_aabb v2)
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{
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v1.min = min(v1.min, v2.min);
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v1.max = max(v1.max, v2.max);
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}
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vec3
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aabb_size(vk_aabb input_aabb)
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{
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return input_aabb.max - input_aabb.min;
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}
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/* Determine the node_type based on type of its children.
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* If children are all the same leaves, this internal node is a fat leaf;
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* Otherwise, it's a mixed node.
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148
src/intel/vulkan/bvh/encode.h
Normal file
148
src/intel/vulkan/bvh/encode.h
Normal file
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@ -0,0 +1,148 @@
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/* Copyright © 2026 Intel Corporation
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* SPDX-License-Identifier: MIT
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*/
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#ifndef ANV_BVH_ENCODE_H
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#define ANV_BVH_ENCODE_H
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#include "anv_build_helpers.h"
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#include "anv_build_interface.h"
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void
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anv_encode_triangle(VOID_REF dst_addr, vk_ir_triangle_node src)
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{
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REF(anv_quad_leaf_node) dst = REF(anv_quad_leaf_node)(dst_addr);
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uint32_t geometry_id_and_flags = 0;
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geometry_id_and_flags |= (src.geometry_id_and_flags & 0xffffff);
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/* Geometry opqaue (1-bit) is encoded on 30-bit index */
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geometry_id_and_flags |= (uint32_t(bool(src.geometry_id_and_flags & VK_GEOMETRY_OPAQUE)) << 30);
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/* Disable the second triangle */
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uint32_t prim_index1_delta = 0;
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/* For now, blockIncr are all 1, so every quad leaf has its "last" bit set. */
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prim_index1_delta |= (1 << 22);
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anv_prim_leaf_desc desc;
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desc.geometry_id_and_flags = geometry_id_and_flags;
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/* shaderIndex is typically set to match geomIndex Geom mask is default to
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* 0xFF
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*/
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desc.shader_index_and_geom_mask = (0xFF000000 | (geometry_id_and_flags & 0xffffff));
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DEREF(dst).prim_index1_delta = prim_index1_delta;
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DEREF(dst).prim_index0 = src.triangle_id;
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DEREF(dst).leaf_desc = desc;
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/* Setup single triangle */
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DEREF(dst).v = src.coords;
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}
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void
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anv_encode_aabb(VOID_REF dst_addr, vk_ir_aabb_node src)
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{
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REF(anv_procedural_leaf_node) dst = REF(anv_procedural_leaf_node)(dst_addr);
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uint32_t geometry_id_and_flags = 0;
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geometry_id_and_flags |= src.geometry_id_and_flags & 0xffffff;
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/* Geometry opqaue (1-bit) is encoded on 30-bit index */
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geometry_id_and_flags |= (uint32_t(bool(src.geometry_id_and_flags & VK_GEOMETRY_OPAQUE)) << 30);
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anv_prim_leaf_desc desc;
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desc.geometry_id_and_flags = geometry_id_and_flags;
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/* shaderIndex is typically set to match geomIndex Geom mask is default to
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* 0xFF
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*/
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desc.shader_index_and_geom_mask = (0xFF000000 | (geometry_id_and_flags & 0xffffff));
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/* num primitives = 1 */
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uint32_t dw1 = 1;
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/* "last" has only 1 bit, and it is set. */
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dw1 |= (1 << 31);
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DEREF(dst).leaf_desc = desc;
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DEREF(dst).DW1 = dw1;
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DEREF(dst).primIndex[0] = src.primitive_id;
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}
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void
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anv_encode_instance(VOID_REF dst_addr, vk_ir_instance_node src)
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{
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REF(anv_instance_leaf) dst = REF(anv_instance_leaf)(dst_addr);
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REF(anv_accel_struct_header) blas_header = REF(anv_accel_struct_header)(src.base_ptr);
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uint64_t start_node_ptr = uint64_t(src.base_ptr) + DEREF(blas_header).rootNodeOffset;
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#if GFX_VERx10 >= 300
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DEREF(dst).part0.QW_startNodePtr = start_node_ptr;
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uint32_t instance_contribution_and_geom_mask = 0;
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instance_contribution_and_geom_mask |= src.sbt_offset_and_flags & 0xffffff;
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instance_contribution_and_geom_mask |= (src.custom_instance_and_mask & 0xff000000);
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DEREF(dst).part0.DW0 = instance_contribution_and_geom_mask;
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uint32_t inst_flags_and_the_rest = 0;
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inst_flags_and_the_rest |= get_instance_flag(src.sbt_offset_and_flags);
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inst_flags_and_the_rest |=
|
||||
((get_instance_flag(src.sbt_offset_and_flags) & ANV_INSTANCE_FLAG_FORCE_OPAQUE) != 0 ?
|
||||
ANV_GEOMETRY_FLAG_OPAQUE : 0) << 30;
|
||||
|
||||
DEREF(dst).part0.DW1 = inst_flags_and_the_rest;
|
||||
#else
|
||||
uint32_t shader_index_and_geom_mask = 0;
|
||||
shader_index_and_geom_mask |= (src.custom_instance_and_mask & 0xff000000);
|
||||
DEREF(dst).part0.DW0 = shader_index_and_geom_mask;
|
||||
|
||||
uint32_t instance_contribution_and_geom_flags = 0;
|
||||
instance_contribution_and_geom_flags |= src.sbt_offset_and_flags & 0xffffff;
|
||||
instance_contribution_and_geom_flags |=
|
||||
((get_instance_flag(src.sbt_offset_and_flags) & ANV_INSTANCE_FLAG_FORCE_OPAQUE) != 0 ?
|
||||
ANV_GEOMETRY_FLAG_OPAQUE : 0) << 30;
|
||||
DEREF(dst).part0.DW1 = instance_contribution_and_geom_flags;
|
||||
|
||||
DEREF(dst).part0.QW_startNodePtr =
|
||||
(start_node_ptr & ((1ul << 48) - 1)) |
|
||||
(uint64_t(get_instance_flag(src.sbt_offset_and_flags)) << 48);
|
||||
#endif
|
||||
|
||||
mat4 transform = mat4(src.otw_matrix);
|
||||
|
||||
mat4 inv_transform = transpose(inverse(transpose(transform)));
|
||||
mat3x4 wto_matrix = mat3x4(inv_transform);
|
||||
mat3x4 otw_matrix = mat3x4(transform);
|
||||
|
||||
/* Arrange WTO transformation matrix in column-major order */
|
||||
DEREF(dst).part0.world2obj_vx_x = wto_matrix[0][0];
|
||||
DEREF(dst).part0.world2obj_vx_y = wto_matrix[1][0];
|
||||
DEREF(dst).part0.world2obj_vx_z = wto_matrix[2][0];
|
||||
DEREF(dst).part0.obj2world_p_x = otw_matrix[0][3];
|
||||
|
||||
DEREF(dst).part0.world2obj_vy_x = wto_matrix[0][1];
|
||||
DEREF(dst).part0.world2obj_vy_y = wto_matrix[1][1];
|
||||
DEREF(dst).part0.world2obj_vy_z = wto_matrix[2][1];
|
||||
DEREF(dst).part0.obj2world_p_y = otw_matrix[1][3];
|
||||
|
||||
DEREF(dst).part0.world2obj_vz_x = wto_matrix[0][2];
|
||||
DEREF(dst).part0.world2obj_vz_y = wto_matrix[1][2];
|
||||
DEREF(dst).part0.world2obj_vz_z = wto_matrix[2][2];
|
||||
DEREF(dst).part0.obj2world_p_z = otw_matrix[2][3];
|
||||
|
||||
/* Arrange OTW transformation matrix in column-major order */
|
||||
DEREF(dst).part1.obj2world_vx_x = otw_matrix[0][0];
|
||||
DEREF(dst).part1.obj2world_vx_y = otw_matrix[1][0];
|
||||
DEREF(dst).part1.obj2world_vx_z = otw_matrix[2][0];
|
||||
DEREF(dst).part1.world2obj_p_x = wto_matrix[0][3];
|
||||
|
||||
DEREF(dst).part1.obj2world_vy_x = otw_matrix[0][1];
|
||||
DEREF(dst).part1.obj2world_vy_y = otw_matrix[1][1];
|
||||
DEREF(dst).part1.obj2world_vy_z = otw_matrix[2][1];
|
||||
DEREF(dst).part1.world2obj_p_y = wto_matrix[1][3];
|
||||
|
||||
DEREF(dst).part1.obj2world_vz_x = otw_matrix[0][2];
|
||||
DEREF(dst).part1.obj2world_vz_y = otw_matrix[1][2];
|
||||
DEREF(dst).part1.obj2world_vz_z = otw_matrix[2][2];
|
||||
DEREF(dst).part1.world2obj_p_z = wto_matrix[2][3];
|
||||
|
||||
DEREF(dst).part1.bvh_ptr = src.base_ptr;
|
||||
DEREF(dst).part1.instance_index = src.instance_id;
|
||||
DEREF(dst).part1.instance_id = src.custom_instance_and_mask & 0xffffff;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -23,6 +23,7 @@ anv_bvh_includes = files(
|
|||
'anv_build_helpers.h',
|
||||
'anv_build_interface.h',
|
||||
'anv_bvh.h',
|
||||
'encode.h',
|
||||
)
|
||||
|
||||
foreach shader : bvh_shaders
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue