1 files changed, 0 insertions, 199 deletions
diff --git a/thirdparty/embree-aarch64/kernels/common/instance_stack.h b/thirdparty/embree-aarch64/kernels/common/instance_stack.h
deleted file mode 100644
index d7e3637f7b..0000000000
--- a/thirdparty/embree-aarch64/kernels/common/instance_stack.h
+++ /dev/null
@@ -1,199 +0,0 @@
-// Copyright 2009-2020 Intel Corporation
-// SPDX-License-Identifier: Apache-2.0
-
-#pragma once
-
-#include "rtcore.h"
-
-namespace embree {
-namespace instance_id_stack {
-
-static_assert(RTC_MAX_INSTANCE_LEVEL_COUNT > 0, 
-              "RTC_MAX_INSTANCE_LEVEL_COUNT must be greater than 0.");
-
-/*******************************************************************************
- * Instance ID stack manipulation.
- * This is used from the instance intersector.
- ******************************************************************************/
-
-/* 
- * Push an instance to the stack. 
- */
-RTC_FORCEINLINE bool push(RTCIntersectContext* context, 
-                          unsigned instanceId)
-{
-#if RTC_MAX_INSTANCE_LEVEL_COUNT > 1
-  const bool spaceAvailable = context->instStackSize < RTC_MAX_INSTANCE_LEVEL_COUNT;
-  /* We assert here because instances are silently dropped when the stack is full. 
-     This might be quite hard to find in production. */
-  assert(spaceAvailable); 
-  if (likely(spaceAvailable))
-    context->instID[context->instStackSize++] = instanceId;
-  return spaceAvailable;
-#else
-  const bool spaceAvailable = (context->instID[0] == RTC_INVALID_GEOMETRY_ID);
-  assert(spaceAvailable); 
-  if (likely(spaceAvailable))
-    context->instID[0] = instanceId;
-  return spaceAvailable;
-#endif
-}
-
-
-/* 
- * Pop the last instance pushed to the stack. 
- * Do not call on an empty stack. 
- */
-RTC_FORCEINLINE void pop(RTCIntersectContext* context)
-{
-  assert(context);
-#if RTC_MAX_INSTANCE_LEVEL_COUNT > 1
-  assert(context->instStackSize > 0);
-  context->instID[--context->instStackSize] = RTC_INVALID_GEOMETRY_ID;
-#else
-  assert(context->instID[0] != RTC_INVALID_GEOMETRY_ID);
-  context->instID[0] = RTC_INVALID_GEOMETRY_ID;
-#endif
-}
-
-/*******************************************************************************
- * Optimized instance id stack copy.
- * The copy() function at the bottom of this block will either copy full
- * stacks or copy only until the last valid element has been copied, depending
- * on RTC_MAX_INSTANCE_LEVEL_COUNT.
- ******************************************************************************/
-
-/*
- * Plain array assignment. This works for scalar->scalar,
- * scalar->vector, and vector->vector.
- */
-template <class Src, class Tgt>
-RTC_FORCEINLINE void level_copy(unsigned level, Src* src, Tgt* tgt)
-{
-  tgt[level] = src[level];
-}
-
-/*
- * Masked SIMD vector->vector store.
- */
-template <int K>
-RTC_FORCEINLINE void level_copy(unsigned level, const vuint<K>* src, vuint<K>* tgt, const vbool<K>& mask)
-{
-  vuint<K>::storeu(mask, tgt + level, src[level]);
-}
-
-/*
- * Masked scalar->SIMD vector store.
- */
-template <int K>
-RTC_FORCEINLINE void level_copy(unsigned level, const unsigned* src, vuint<K>* tgt, const vbool<K>& mask)
-{
-  vuint<K>::store(mask, tgt + level, src[level]);
-}
-
-/*
- * Indexed assign from vector to scalar.
- */
-template <int K>
-RTC_FORCEINLINE void level_copy(unsigned level, const vuint<K>* src, unsigned* tgt, const size_t& idx)
-{
-  tgt[level] = src[level][idx];
-}
-
-/*
- * Indexed assign from scalar to vector.
- */
-template <int K>
-RTC_FORCEINLINE void level_copy(unsigned level, const unsigned* src, vuint<K>* tgt, const size_t& idx)
-{
-  tgt[level][idx] = src[level];
-}
-
-/*
- * Indexed assign from vector to vector.
- */
-template <int K>
-RTC_FORCEINLINE void level_copy(unsigned level, const vuint<K>* src, vuint<K>* tgt, const size_t& i, const size_t& j)
-{
-  tgt[level][j] = src[level][i];
-}
-
-/*
- * Check if the given stack level is valid.
- * These are only used for large max stack sizes.
- */
-RTC_FORCEINLINE bool level_valid(unsigned level, const unsigned* stack)
-{
-  return stack[level] != RTC_INVALID_GEOMETRY_ID;
-}
-RTC_FORCEINLINE bool level_valid(unsigned level, const unsigned* stack, const size_t& /*i*/)
-{
-  return stack[level] != RTC_INVALID_GEOMETRY_ID;
-}
-template <int K>
-RTC_FORCEINLINE bool level_valid(unsigned level, const unsigned* stack, const vbool<K>& /*mask*/)
-{
-  return stack[level] != RTC_INVALID_GEOMETRY_ID;
-}
-
-template <int K>
-RTC_FORCEINLINE bool level_valid(unsigned level, const vuint<K>* stack)
-{
-  return any(stack[level] != RTC_INVALID_GEOMETRY_ID);
-}
-template <int K>
-RTC_FORCEINLINE bool level_valid(unsigned level, const vuint<K>* stack, const vbool<K>& mask)
-{
-  return any(mask & (stack[level] != RTC_INVALID_GEOMETRY_ID));
-}
-
-template <int K>
-RTC_FORCEINLINE bool level_valid(unsigned level, const vuint<K>* stack, const size_t& i)
-{
-  return stack[level][i] != RTC_INVALID_GEOMETRY_ID;
-}
-template <int K>
-RTC_FORCEINLINE bool level_valid(unsigned level, const vuint<K>* stack, const size_t& i, const size_t& /*j*/)
-{
-  return stack[level][i] != RTC_INVALID_GEOMETRY_ID;
-}
-
-/*
- * Copy an instance ID stack.
- *
- * This function automatically selects a LevelFunctor from the above Assign 
- * structs.
- */
-template <class Src, class Tgt, class... Args>
-RTC_FORCEINLINE void copy(Src src, Tgt tgt, Args&&... args)
-{
-#if (RTC_MAX_INSTANCE_LEVEL_COUNT == 1)
-  /* 
-   * Avoid all loops for only one level. 
-   */
-  level_copy(0, src, tgt, std::forward<Args>(args)...);
-
-#elif (RTC_MAX_INSTANCE_LEVEL_COUNT <= 4)
-  /* 
-   * It is faster to avoid the valid test for low level counts.
-   * Just copy the whole stack.
-   */
-  for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
-    level_copy(l, src, tgt, std::forward<Args>(args)...);
-
-#else
-  /* 
-   * For general stack sizes, it pays off to test for validity.
-   */
-  bool valid = true;
-  for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT && valid; ++l)
-  {
-    level_copy(l, src, tgt, std::forward<Args>(args)...);
-    valid = level_valid(l, src, std::forward<Args>(args)...);
-  }
-#endif
-}
-
-} // namespace instance_id_stack
-} // namespace embree
-