1 files changed, 95 insertions, 0 deletions
diff --git a/intern/cycles/util/types_int8_impl.h b/intern/cycles/util/types_int8_impl.h
new file mode 100644
index 00000000000..080bcaa6a2b
--- /dev/null
+++ b/intern/cycles/util/types_int8_impl.h
@@ -0,0 +1,95 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2011-2022 Blender Foundation */
+
+#pragma once
+
+#ifndef __UTIL_TYPES_H__
+#  error "Do not include this file directly, include util/types.h instead."
+#endif
+
+CCL_NAMESPACE_BEGIN
+
+#ifdef __KERNEL_AVX__
+__forceinline vint8::vint8()
+{
+}
+
+__forceinline vint8::vint8(const vint8 &a) : m256(a.m256)
+{
+}
+
+__forceinline vint8::vint8(const __m256i &a) : m256(a)
+{
+}
+
+__forceinline vint8::operator const __m256i &() const
+{
+  return m256;
+}
+
+__forceinline vint8::operator __m256i &()
+{
+  return m256;
+}
+
+__forceinline vint8 &vint8::operator=(const vint8 &a)
+{
+  m256 = a.m256;
+  return *this;
+}
+#endif /* __KERNEL_AVX__ */
+
+#ifndef __KERNEL_GPU__
+__forceinline int vint8::operator[](int i) const
+{
+  util_assert(i >= 0);
+  util_assert(i < 8);
+  return *(&a + i);
+}
+
+__forceinline int &vint8::operator[](int i)
+{
+  util_assert(i >= 0);
+  util_assert(i < 8);
+  return *(&a + i);
+}
+#endif
+
+ccl_device_inline vint8 make_vint8(int a, int b, int c, int d, int e, int f, int g, int h)
+{
+#ifdef __KERNEL_AVX__
+  return vint8(_mm256_set_epi32(h, g, f, e, d, c, b, a));
+#else
+  return {a, b, c, d, e, f, g, h};
+#endif
+}
+
+ccl_device_inline vint8 make_vint8(int i)
+{
+#ifdef __KERNEL_AVX__
+  return vint8(_mm256_set1_epi32(i));
+#else
+  return make_vint8(i, i, i, i, i, i, i, i);
+#endif
+}
+
+ccl_device_inline vint8 make_vint8(const vfloat8 f)
+{
+#ifdef __KERNEL_AVX__
+  return vint8(_mm256_cvtps_epi32(f.m256));
+#else
+  return make_vint8(
+      (int)f.a, (int)f.b, (int)f.c, (int)f.d, (int)f.e, (int)f.f, (int)f.g, (int)f.h);
+#endif
+}
+
+ccl_device_inline vint8 make_vint8(const int4 a, const int4 b)
+{
+#ifdef __KERNEL_AVX__
+  return vint8(_mm256_insertf128_si256(_mm256_castsi128_si256(a.m128), b.m128, 1));
+#else
+  return make_vint8(a.x, a.y, a.z, a.w, b.x, b.y, b.z, b.w);
+#endif
+}
+
+CCL_NAMESPACE_END