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Diffstat (limited to 'intern/cycles/kernel/bvh/obvh_nodes.h')
-rw-r--r--intern/cycles/kernel/bvh/obvh_nodes.h410
1 files changed, 0 insertions, 410 deletions
diff --git a/intern/cycles/kernel/bvh/obvh_nodes.h b/intern/cycles/kernel/bvh/obvh_nodes.h
deleted file mode 100644
index e5c935b75ed..00000000000
--- a/intern/cycles/kernel/bvh/obvh_nodes.h
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
- * Copyright 2011-2014, Blender Foundation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * Aligned nodes intersection AVX code is adopted from Embree,
- */
-
-struct OBVHStackItem {
- int addr;
- float dist;
-};
-
-ccl_device_inline void obvh_near_far_idx_calc(const float3 &idir,
- int *ccl_restrict near_x,
- int *ccl_restrict near_y,
- int *ccl_restrict near_z,
- int *ccl_restrict far_x,
- int *ccl_restrict far_y,
- int *ccl_restrict far_z)
-
-{
-#ifdef __KERNEL_SSE__
- *near_x = 0;
- *far_x = 1;
- *near_y = 2;
- *far_y = 3;
- *near_z = 4;
- *far_z = 5;
-
- const size_t mask = movemask(ssef(idir.m128));
-
- const int mask_x = mask & 1;
- const int mask_y = (mask & 2) >> 1;
- const int mask_z = (mask & 4) >> 2;
-
- *near_x += mask_x;
- *far_x -= mask_x;
- *near_y += mask_y;
- *far_y -= mask_y;
- *near_z += mask_z;
- *far_z -= mask_z;
-#else
- if (idir.x >= 0.0f) {
- *near_x = 0;
- *far_x = 1;
- }
- else {
- *near_x = 1;
- *far_x = 0;
- }
- if (idir.y >= 0.0f) {
- *near_y = 2;
- *far_y = 3;
- }
- else {
- *near_y = 3;
- *far_y = 2;
- }
- if (idir.z >= 0.0f) {
- *near_z = 4;
- *far_z = 5;
- }
- else {
- *near_z = 5;
- *far_z = 4;
- }
-#endif
-}
-
-ccl_device_inline void obvh_item_swap(OBVHStackItem *ccl_restrict a, OBVHStackItem *ccl_restrict b)
-{
- OBVHStackItem tmp = *a;
- *a = *b;
- *b = tmp;
-}
-
-ccl_device_inline void obvh_stack_sort(OBVHStackItem *ccl_restrict s1,
- OBVHStackItem *ccl_restrict s2,
- OBVHStackItem *ccl_restrict s3)
-{
- if (s2->dist < s1->dist) {
- obvh_item_swap(s2, s1);
- }
- if (s3->dist < s2->dist) {
- obvh_item_swap(s3, s2);
- }
- if (s2->dist < s1->dist) {
- obvh_item_swap(s2, s1);
- }
-}
-
-ccl_device_inline void obvh_stack_sort(OBVHStackItem *ccl_restrict s1,
- OBVHStackItem *ccl_restrict s2,
- OBVHStackItem *ccl_restrict s3,
- OBVHStackItem *ccl_restrict s4)
-{
- if (s2->dist < s1->dist) {
- obvh_item_swap(s2, s1);
- }
- if (s4->dist < s3->dist) {
- obvh_item_swap(s4, s3);
- }
- if (s3->dist < s1->dist) {
- obvh_item_swap(s3, s1);
- }
- if (s4->dist < s2->dist) {
- obvh_item_swap(s4, s2);
- }
- if (s3->dist < s2->dist) {
- obvh_item_swap(s3, s2);
- }
-}
-
-ccl_device_inline void obvh_stack_sort(OBVHStackItem *ccl_restrict s1,
- OBVHStackItem *ccl_restrict s2,
- OBVHStackItem *ccl_restrict s3,
- OBVHStackItem *ccl_restrict s4,
- OBVHStackItem *ccl_restrict s5)
-{
- obvh_stack_sort(s1, s2, s3, s4);
- if (s5->dist < s4->dist) {
- obvh_item_swap(s4, s5);
- if (s4->dist < s3->dist) {
- obvh_item_swap(s3, s4);
- if (s3->dist < s2->dist) {
- obvh_item_swap(s2, s3);
- if (s2->dist < s1->dist) {
- obvh_item_swap(s1, s2);
- }
- }
- }
- }
-}
-
-ccl_device_inline void obvh_stack_sort(OBVHStackItem *ccl_restrict s1,
- OBVHStackItem *ccl_restrict s2,
- OBVHStackItem *ccl_restrict s3,
- OBVHStackItem *ccl_restrict s4,
- OBVHStackItem *ccl_restrict s5,
- OBVHStackItem *ccl_restrict s6)
-{
- obvh_stack_sort(s1, s2, s3, s4, s5);
- if (s6->dist < s5->dist) {
- obvh_item_swap(s5, s6);
- if (s5->dist < s4->dist) {
- obvh_item_swap(s4, s5);
- if (s4->dist < s3->dist) {
- obvh_item_swap(s3, s4);
- if (s3->dist < s2->dist) {
- obvh_item_swap(s2, s3);
- if (s2->dist < s1->dist) {
- obvh_item_swap(s1, s2);
- }
- }
- }
- }
- }
-}
-
-ccl_device_inline void obvh_stack_sort(OBVHStackItem *ccl_restrict s1,
- OBVHStackItem *ccl_restrict s2,
- OBVHStackItem *ccl_restrict s3,
- OBVHStackItem *ccl_restrict s4,
- OBVHStackItem *ccl_restrict s5,
- OBVHStackItem *ccl_restrict s6,
- OBVHStackItem *ccl_restrict s7)
-{
- obvh_stack_sort(s1, s2, s3, s4, s5, s6);
- if (s7->dist < s6->dist) {
- obvh_item_swap(s6, s7);
- if (s6->dist < s5->dist) {
- obvh_item_swap(s5, s6);
- if (s5->dist < s4->dist) {
- obvh_item_swap(s4, s5);
- if (s4->dist < s3->dist) {
- obvh_item_swap(s3, s4);
- if (s3->dist < s2->dist) {
- obvh_item_swap(s2, s3);
- if (s2->dist < s1->dist) {
- obvh_item_swap(s1, s2);
- }
- }
- }
- }
- }
- }
-}
-
-ccl_device_inline void obvh_stack_sort(OBVHStackItem *ccl_restrict s1,
- OBVHStackItem *ccl_restrict s2,
- OBVHStackItem *ccl_restrict s3,
- OBVHStackItem *ccl_restrict s4,
- OBVHStackItem *ccl_restrict s5,
- OBVHStackItem *ccl_restrict s6,
- OBVHStackItem *ccl_restrict s7,
- OBVHStackItem *ccl_restrict s8)
-{
- obvh_stack_sort(s1, s2, s3, s4, s5, s6, s7);
- if (s8->dist < s7->dist) {
- obvh_item_swap(s7, s8);
- if (s7->dist < s6->dist) {
- obvh_item_swap(s6, s7);
- if (s6->dist < s5->dist) {
- obvh_item_swap(s5, s6);
- if (s5->dist < s4->dist) {
- obvh_item_swap(s4, s5);
- if (s4->dist < s3->dist) {
- obvh_item_swap(s3, s4);
- if (s3->dist < s2->dist) {
- obvh_item_swap(s2, s3);
- if (s2->dist < s1->dist) {
- obvh_item_swap(s1, s2);
- }
- }
- }
- }
- }
- }
- }
-}
-
-/* Axis-aligned nodes intersection */
-
-ccl_device_inline int obvh_aligned_node_intersect(KernelGlobals *ccl_restrict kg,
- const avxf &isect_near,
- const avxf &isect_far,
-#ifdef __KERNEL_AVX2__
- const avx3f &org_idir,
-#else
- const avx3f &org,
-#endif
- const avx3f &idir,
- const int near_x,
- const int near_y,
- const int near_z,
- const int far_x,
- const int far_y,
- const int far_z,
- const int node_addr,
- avxf *ccl_restrict dist)
-{
- const int offset = node_addr + 2;
-#ifdef __KERNEL_AVX2__
- const avxf tnear_x = msub(
- kernel_tex_fetch_avxf(__bvh_nodes, offset + near_x * 2), idir.x, org_idir.x);
- const avxf tnear_y = msub(
- kernel_tex_fetch_avxf(__bvh_nodes, offset + near_y * 2), idir.y, org_idir.y);
- const avxf tnear_z = msub(
- kernel_tex_fetch_avxf(__bvh_nodes, offset + near_z * 2), idir.z, org_idir.z);
- const avxf tfar_x = msub(
- kernel_tex_fetch_avxf(__bvh_nodes, offset + far_x * 2), idir.x, org_idir.x);
- const avxf tfar_y = msub(
- kernel_tex_fetch_avxf(__bvh_nodes, offset + far_y * 2), idir.y, org_idir.y);
- const avxf tfar_z = msub(
- kernel_tex_fetch_avxf(__bvh_nodes, offset + far_z * 2), idir.z, org_idir.z);
-
- const avxf tnear = max4(tnear_x, tnear_y, tnear_z, isect_near);
- const avxf tfar = min4(tfar_x, tfar_y, tfar_z, isect_far);
- const avxb vmask = tnear <= tfar;
- int mask = (int)movemask(vmask);
- *dist = tnear;
- return mask;
-#else
- return 0;
-#endif
-}
-
-/* Unaligned nodes intersection */
-
-ccl_device_inline int obvh_unaligned_node_intersect(KernelGlobals *ccl_restrict kg,
- const avxf &isect_near,
- const avxf &isect_far,
-#ifdef __KERNEL_AVX2__
- const avx3f &org_idir,
-#endif
- const avx3f &org,
- const avx3f &dir,
- const avx3f &idir,
- const int near_x,
- const int near_y,
- const int near_z,
- const int far_x,
- const int far_y,
- const int far_z,
- const int node_addr,
- avxf *ccl_restrict dist)
-{
- const int offset = node_addr;
- const avxf tfm_x_x = kernel_tex_fetch_avxf(__bvh_nodes, offset + 2);
- const avxf tfm_x_y = kernel_tex_fetch_avxf(__bvh_nodes, offset + 4);
- const avxf tfm_x_z = kernel_tex_fetch_avxf(__bvh_nodes, offset + 6);
-
- const avxf tfm_y_x = kernel_tex_fetch_avxf(__bvh_nodes, offset + 8);
- const avxf tfm_y_y = kernel_tex_fetch_avxf(__bvh_nodes, offset + 10);
- const avxf tfm_y_z = kernel_tex_fetch_avxf(__bvh_nodes, offset + 12);
-
- const avxf tfm_z_x = kernel_tex_fetch_avxf(__bvh_nodes, offset + 14);
- const avxf tfm_z_y = kernel_tex_fetch_avxf(__bvh_nodes, offset + 16);
- const avxf tfm_z_z = kernel_tex_fetch_avxf(__bvh_nodes, offset + 18);
-
- const avxf tfm_t_x = kernel_tex_fetch_avxf(__bvh_nodes, offset + 20);
- const avxf tfm_t_y = kernel_tex_fetch_avxf(__bvh_nodes, offset + 22);
- const avxf tfm_t_z = kernel_tex_fetch_avxf(__bvh_nodes, offset + 24);
-
- const avxf aligned_dir_x = dir.x * tfm_x_x + dir.y * tfm_x_y + dir.z * tfm_x_z,
- aligned_dir_y = dir.x * tfm_y_x + dir.y * tfm_y_y + dir.z * tfm_y_z,
- aligned_dir_z = dir.x * tfm_z_x + dir.y * tfm_z_y + dir.z * tfm_z_z;
-
- const avxf aligned_P_x = org.x * tfm_x_x + org.y * tfm_x_y + org.z * tfm_x_z + tfm_t_x,
- aligned_P_y = org.x * tfm_y_x + org.y * tfm_y_y + org.z * tfm_y_z + tfm_t_y,
- aligned_P_z = org.x * tfm_z_x + org.y * tfm_z_y + org.z * tfm_z_z + tfm_t_z;
-
- const avxf neg_one(-1.0f);
- const avxf nrdir_x = neg_one / aligned_dir_x, nrdir_y = neg_one / aligned_dir_y,
- nrdir_z = neg_one / aligned_dir_z;
-
- const avxf tlower_x = aligned_P_x * nrdir_x, tlower_y = aligned_P_y * nrdir_y,
- tlower_z = aligned_P_z * nrdir_z;
-
- const avxf tupper_x = tlower_x - nrdir_x, tupper_y = tlower_y - nrdir_y,
- tupper_z = tlower_z - nrdir_z;
-
- const avxf tnear_x = min(tlower_x, tupper_x);
- const avxf tnear_y = min(tlower_y, tupper_y);
- const avxf tnear_z = min(tlower_z, tupper_z);
- const avxf tfar_x = max(tlower_x, tupper_x);
- const avxf tfar_y = max(tlower_y, tupper_y);
- const avxf tfar_z = max(tlower_z, tupper_z);
- const avxf tnear = max4(isect_near, tnear_x, tnear_y, tnear_z);
- const avxf tfar = min4(isect_far, tfar_x, tfar_y, tfar_z);
- const avxb vmask = tnear <= tfar;
- *dist = tnear;
- return movemask(vmask);
-}
-
-/* Intersectors wrappers.
- *
- * They'll check node type and call appropriate intersection code.
- */
-
-ccl_device_inline int obvh_node_intersect(KernelGlobals *ccl_restrict kg,
- const avxf &isect_near,
- const avxf &isect_far,
-#ifdef __KERNEL_AVX2__
- const avx3f &org_idir,
-#endif
- const avx3f &org,
- const avx3f &dir,
- const avx3f &idir,
- const int near_x,
- const int near_y,
- const int near_z,
- const int far_x,
- const int far_y,
- const int far_z,
- const int node_addr,
- avxf *ccl_restrict dist)
-{
- const int offset = node_addr;
- const float4 node = kernel_tex_fetch(__bvh_nodes, offset);
- if (__float_as_uint(node.x) & PATH_RAY_NODE_UNALIGNED) {
- return obvh_unaligned_node_intersect(kg,
- isect_near,
- isect_far,
-#ifdef __KERNEL_AVX2__
- org_idir,
-#endif
- org,
- dir,
- idir,
- near_x,
- near_y,
- near_z,
- far_x,
- far_y,
- far_z,
- node_addr,
- dist);
- }
- else {
- return obvh_aligned_node_intersect(kg,
- isect_near,
- isect_far,
-#ifdef __KERNEL_AVX2__
- org_idir,
-#else
- org,
-#endif
- idir,
- near_x,
- near_y,
- near_z,
- far_x,
- far_y,
- far_z,
- node_addr,
- dist);
- }
-}
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