1 files changed, 0 insertions, 139 deletions
diff --git a/intern/cycles/kernel/svm/svm_ao.h b/intern/cycles/kernel/svm/svm_ao.h
deleted file mode 100644
index 4cfef7bc204..00000000000
--- a/intern/cycles/kernel/svm/svm_ao.h
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright 2011-2018 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.
- */
-
-#include "kernel/bvh/bvh.h"
-
-CCL_NAMESPACE_BEGIN
-
-#ifdef __SHADER_RAYTRACE__
-
-#  ifdef __KERNEL_OPTIX__
-extern "C" __device__ float __direct_callable__svm_node_ao(
-#  else
-ccl_device float svm_ao(
-#  endif
-    KernelGlobals kg,
-    ConstIntegratorState state,
-    ccl_private ShaderData *sd,
-    float3 N,
-    float max_dist,
-    int num_samples,
-    int flags)
-{
-  if (flags & NODE_AO_GLOBAL_RADIUS) {
-    max_dist = kernel_data.integrator.ao_bounces_distance;
-  }
-
-  /* Early out if no sampling needed. */
-  if (max_dist <= 0.0f || num_samples < 1 || sd->object == OBJECT_NONE) {
-    return 1.0f;
-  }
-
-  /* Can't raytrace from shaders like displacement, before BVH exists. */
-  if (kernel_data.bvh.bvh_layout == BVH_LAYOUT_NONE) {
-    return 1.0f;
-  }
-
-  if (flags & NODE_AO_INSIDE) {
-    N = -N;
-  }
-
-  float3 T, B;
-  make_orthonormals(N, &T, &B);
-
-  /* TODO: support ray-tracing in shadow shader evaluation? */
-  RNGState rng_state;
-  path_state_rng_load(state, &rng_state);
-
-  int unoccluded = 0;
-  for (int sample = 0; sample < num_samples; sample++) {
-    float disk_u, disk_v;
-    path_branched_rng_2D(kg, &rng_state, sample, num_samples, PRNG_BEVEL_U, &disk_u, &disk_v);
-
-    float2 d = concentric_sample_disk(disk_u, disk_v);
-    float3 D = make_float3(d.x, d.y, safe_sqrtf(1.0f - dot(d, d)));
-
-    /* Create ray. */
-    Ray ray;
-    ray.P = ray_offset(sd->P, N);
-    ray.D = D.x * T + D.y * B + D.z * N;
-    ray.t = max_dist;
-    ray.time = sd->time;
-    ray.dP = differential_zero_compact();
-    ray.dD = differential_zero_compact();
-
-    if (flags & NODE_AO_ONLY_LOCAL) {
-      if (!scene_intersect_local(kg, &ray, NULL, sd->object, NULL, 0)) {
-        unoccluded++;
-      }
-    }
-    else {
-      Intersection isect;
-      if (!scene_intersect(kg, &ray, PATH_RAY_SHADOW_OPAQUE, &isect)) {
-        unoccluded++;
-      }
-    }
-  }
-
-  return ((float)unoccluded) / num_samples;
-}
-
-template<uint node_feature_mask, typename ConstIntegratorGenericState>
-#  if defined(__KERNEL_OPTIX__)
-ccl_device_inline
-#  else
-ccl_device_noinline
-#  endif
-    void
-    svm_node_ao(KernelGlobals kg,
-                ConstIntegratorGenericState state,
-                ccl_private ShaderData *sd,
-                ccl_private float *stack,
-                uint4 node)
-{
-  uint flags, dist_offset, normal_offset, out_ao_offset;
-  svm_unpack_node_uchar4(node.y, &flags, &dist_offset, &normal_offset, &out_ao_offset);
-
-  uint color_offset, out_color_offset, samples;
-  svm_unpack_node_uchar3(node.z, &color_offset, &out_color_offset, &samples);
-
-  float ao = 1.0f;
-
-  IF_KERNEL_NODES_FEATURE(RAYTRACE)
-  {
-    float dist = stack_load_float_default(stack, dist_offset, node.w);
-    float3 normal = stack_valid(normal_offset) ? stack_load_float3(stack, normal_offset) : sd->N;
-
-#  ifdef __KERNEL_OPTIX__
-    ao = optixDirectCall<float>(0, kg, state, sd, normal, dist, samples, flags);
-#  else
-    ao = svm_ao(kg, state, sd, normal, dist, samples, flags);
-#  endif
-  }
-
-  if (stack_valid(out_ao_offset)) {
-    stack_store_float(stack, out_ao_offset, ao);
-  }
-
-  if (stack_valid(out_color_offset)) {
-    float3 color = stack_load_float3(stack, color_offset);
-    stack_store_float3(stack, out_color_offset, ao * color);
-  }
-}
-
-#endif /* __SHADER_RAYTRACE__ */
-
-CCL_NAMESPACE_END