b2b2d9a4f3
One octree per volume per shader based on the density. In preparation for the null scattering
118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 */
|
|
|
|
#pragma once
|
|
|
|
#include "util/types_int3.h"
|
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
#if !defined(__KERNEL_METAL__)
|
|
ccl_device_inline int3 min(const int3 a, const int3 b)
|
|
{
|
|
# if defined(__KERNEL_SSE__) && defined(__KERNEL_SSE42__)
|
|
return int3(_mm_min_epi32(a.m128, b.m128));
|
|
# else
|
|
return make_int3(min(a.x, b.x), min(a.y, b.y), min(a.z, b.z));
|
|
# endif
|
|
}
|
|
|
|
ccl_device_inline int3 max(const int3 a, const int3 b)
|
|
{
|
|
# if defined(__KERNEL_SSE__) && defined(__KERNEL_SSE42__)
|
|
return int3(_mm_max_epi32(a.m128, b.m128));
|
|
# else
|
|
return make_int3(max(a.x, b.x), max(a.y, b.y), max(a.z, b.z));
|
|
# endif
|
|
}
|
|
|
|
ccl_device_inline int3 clamp(const int3 a, const int mn, const int mx)
|
|
{
|
|
# ifdef __KERNEL_SSE__
|
|
return min(max(a, make_int3(mn)), make_int3(mx));
|
|
# else
|
|
return make_int3(clamp(a.x, mn, mx), clamp(a.y, mn, mx), clamp(a.z, mn, mx));
|
|
# endif
|
|
}
|
|
|
|
ccl_device_inline int3 clamp(const int3 a, int3 &mn, const int mx)
|
|
{
|
|
# ifdef __KERNEL_SSE__
|
|
return min(max(a, mn), make_int3(mx));
|
|
# else
|
|
return make_int3(clamp(a.x, mn.x, mx), clamp(a.y, mn.y, mx), clamp(a.z, mn.z, mx));
|
|
# endif
|
|
}
|
|
|
|
ccl_device_inline bool operator==(const int3 a, const int3 b)
|
|
{
|
|
return a.x == b.x && a.y == b.y && a.z == b.z;
|
|
}
|
|
|
|
ccl_device_inline bool operator!=(const int3 a, const int3 b)
|
|
{
|
|
return !(a == b);
|
|
}
|
|
|
|
ccl_device_inline bool operator<(const int3 a, const int3 b)
|
|
{
|
|
return a.x < b.x && a.y < b.y && a.z < b.z;
|
|
}
|
|
|
|
ccl_device_inline int3 operator+(const int3 a, const int3 b)
|
|
{
|
|
# ifdef __KERNEL_SSE__
|
|
return int3(_mm_add_epi32(a.m128, b.m128));
|
|
# else
|
|
return make_int3(a.x + b.x, a.y + b.y, a.z + b.z);
|
|
# endif
|
|
}
|
|
|
|
ccl_device_inline int3 operator-(const int3 a, const int3 b)
|
|
{
|
|
# ifdef __KERNEL_SSE__
|
|
return int3(_mm_sub_epi32(a.m128, b.m128));
|
|
# else
|
|
return make_int3(a.x - b.x, a.y - b.y, a.z - b.z);
|
|
# endif
|
|
}
|
|
|
|
ccl_device_inline int3 operator>>(const int3 a, const int i)
|
|
{
|
|
return make_int3(a.x >> i, a.y >> i, a.z >> i);
|
|
}
|
|
|
|
ccl_device_inline int3 operator*(const int3 a, const int3 b)
|
|
{
|
|
return make_int3(a.x * b.x, a.y * b.y, a.z * b.z);
|
|
}
|
|
|
|
ccl_device_inline int3 operator^(const int3 a, const int3 b)
|
|
{
|
|
return make_int3(a.x ^ b.x, a.y ^ b.y, a.z ^ b.z);
|
|
}
|
|
|
|
ccl_device_inline int3 operator&(const int3 a, const int3 b)
|
|
{
|
|
return make_int3(a.x & b.x, a.y & b.y, a.z & b.z);
|
|
}
|
|
|
|
ccl_device_inline int3 operator&(const int3 a, const int b)
|
|
{
|
|
# ifdef __KERNEL_SSE__
|
|
return int3(_mm_and_si128(a.m128, _mm_set1_epi32(b)));
|
|
# else
|
|
return make_int3(a.x & b, a.y & b, a.z & b);
|
|
# endif
|
|
}
|
|
|
|
ccl_device_inline bool all(const int3 a)
|
|
{
|
|
return a.x && a.y && a.z;
|
|
}
|
|
|
|
#endif /* !__KERNEL_METAL__ */
|
|
|
|
CCL_NAMESPACE_END
|