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path: root/intern/cycles/kernel/geom/geom_qbvh.h
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Diffstat (limited to 'intern/cycles/kernel/geom/geom_qbvh.h')
-rw-r--r--intern/cycles/kernel/geom/geom_qbvh.h147
1 files changed, 0 insertions, 147 deletions
diff --git a/intern/cycles/kernel/geom/geom_qbvh.h b/intern/cycles/kernel/geom/geom_qbvh.h
deleted file mode 100644
index 2a2d7822eee..00000000000
--- a/intern/cycles/kernel/geom/geom_qbvh.h
+++ /dev/null
@@ -1,147 +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.
- */
-
-struct QBVHStackItem {
- int addr;
- float dist;
-};
-
-/* TOOD(sergey): Investigate if using intrinsics helps for both
- * stack item swap and float comparison.
- */
-ccl_device_inline void qbvh_item_swap(QBVHStackItem *__restrict a,
- QBVHStackItem *__restrict b)
-{
- QBVHStackItem tmp = *a;
- *a = *b;
- *b = tmp;
-}
-
-ccl_device_inline void qbvh_stack_sort(QBVHStackItem *__restrict s1,
- QBVHStackItem *__restrict s2,
- QBVHStackItem *__restrict s3)
-{
- if(s2->dist < s1->dist) { qbvh_item_swap(s2, s1); }
- if(s3->dist < s2->dist) { qbvh_item_swap(s3, s2); }
- if(s2->dist < s1->dist) { qbvh_item_swap(s2, s1); }
-}
-
-ccl_device_inline void qbvh_stack_sort(QBVHStackItem *__restrict s1,
- QBVHStackItem *__restrict s2,
- QBVHStackItem *__restrict s3,
- QBVHStackItem *__restrict s4)
-{
- if(s2->dist < s1->dist) { qbvh_item_swap(s2, s1); }
- if(s4->dist < s3->dist) { qbvh_item_swap(s4, s3); }
- if(s3->dist < s1->dist) { qbvh_item_swap(s3, s1); }
- if(s4->dist < s2->dist) { qbvh_item_swap(s4, s2); }
- if(s3->dist < s2->dist) { qbvh_item_swap(s3, s2); }
-}
-
-ccl_device_inline int qbvh_node_intersect(KernelGlobals *__restrict kg,
- const ssef& tnear,
- const ssef& tfar,
-#ifdef __KERNEL_AVX2__
- const sse3f& org_idir,
-#else
- const sse3f& org,
-#endif
- const sse3f& 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 nodeAddr,
- ssef *__restrict dist)
-{
- const int offset = nodeAddr*BVH_QNODE_SIZE;
-#ifdef __KERNEL_AVX2__
- const ssef tnear_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x), idir.x, org_idir.x);
- const ssef tnear_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y), idir.y, org_idir.y);
- const ssef tnear_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z), idir.z, org_idir.z);
- const ssef tfar_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x), idir.x, org_idir.x);
- const ssef tfar_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y), idir.y, org_idir.y);
- const ssef tfar_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z), idir.z, org_idir.z);
-#else
- const ssef tnear_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x) - org.x) * idir.x;
- const ssef tnear_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y) - org.y) * idir.y;
- const ssef tnear_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z) - org.z) * idir.z;
- const ssef tfar_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x) - org.x) * idir.x;
- const ssef tfar_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y) - org.y) * idir.y;
- const ssef tfar_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z) - org.z) * idir.z;
-#endif
-
-#ifdef __KERNEL_SSE41__
- const ssef tNear = maxi(maxi(tnear_x, tnear_y), maxi(tnear_z, tnear));
- const ssef tFar = mini(mini(tfar_x, tfar_y), mini(tfar_z, tfar));
- const sseb vmask = cast(tNear) > cast(tFar);
- int mask = (int)movemask(vmask)^0xf;
-#else
- const ssef tNear = max4(tnear_x, tnear_y, tnear_z, tnear);
- const ssef tFar = min4(tfar_x, tfar_y, tfar_z, tfar);
- const sseb vmask = tNear <= tFar;
- int mask = (int)movemask(vmask);
-#endif
- *dist = tNear;
- return mask;
-}
-
-ccl_device_inline int qbvh_node_intersect_robust(KernelGlobals *__restrict kg,
- const ssef& tnear,
- const ssef& tfar,
-#ifdef __KERNEL_AVX2__
- const sse3f& P_idir,
-#else
- const sse3f& P,
-#endif
- const sse3f& 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 nodeAddr,
- const float difl,
- ssef *__restrict dist)
-{
- const int offset = nodeAddr*BVH_QNODE_SIZE;
-#ifdef __KERNEL_AVX2__
- const ssef tnear_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x), idir.x, P_idir.x);
- const ssef tnear_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y), idir.y, P_idir.y);
- const ssef tnear_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z), idir.z, P_idir.z);
- const ssef tfar_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x), idir.x, P_idir.x);
- const ssef tfar_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y), idir.y, P_idir.y);
- const ssef tfar_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z), idir.z, P_idir.z);
-#else
- const ssef tnear_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x) - P.x) * idir.x;
- const ssef tnear_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y) - P.y) * idir.y;
- const ssef tnear_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z) - P.z) * idir.z;
- const ssef tfar_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x) - P.x) * idir.x;
- const ssef tfar_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y) - P.y) * idir.y;
- const ssef tfar_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z) - P.z) * idir.z;
-#endif
-
- const float round_down = 1.0f - difl;
- const float round_up = 1.0f + difl;
- const ssef tNear = max4(tnear_x, tnear_y, tnear_z, tnear);
- const ssef tFar = min4(tfar_x, tfar_y, tfar_z, tfar);
- const sseb vmask = round_down*tNear <= round_up*tFar;
- *dist = tNear;
- return (int)movemask(vmask);
-}
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