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Diffstat (limited to 'intern/cycles/util/math_int4.h')
| -rw-r--r-- | intern/cycles/util/math_int4.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/intern/cycles/util/math_int4.h b/intern/cycles/util/math_int4.h new file mode 100644 index 00000000000..eaa9be73b63 --- /dev/null +++ b/intern/cycles/util/math_int4.h @@ -0,0 +1,153 @@ +/* + * Copyright 2011-2017 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. + */ + +#ifndef __UTIL_MATH_INT4_H__ +#define __UTIL_MATH_INT4_H__ + +#ifndef __UTIL_MATH_H__ +# error "Do not include this file directly, include util/types.h instead." +#endif + +CCL_NAMESPACE_BEGIN + +/******************************************************************************* + * Declaration. + */ + +#ifndef __KERNEL_GPU__ +ccl_device_inline int4 operator+(const int4 &a, const int4 &b); +ccl_device_inline int4 operator+=(int4 &a, const int4 &b); +ccl_device_inline int4 operator>>(const int4 &a, int i); +ccl_device_inline int4 operator<<(const int4 &a, int i); +ccl_device_inline int4 operator<(const int4 &a, const int4 &b); +ccl_device_inline int4 operator>=(const int4 &a, const int4 &b); +ccl_device_inline int4 operator&(const int4 &a, const int4 &b); +ccl_device_inline int4 min(int4 a, int4 b); +ccl_device_inline int4 max(int4 a, int4 b); +ccl_device_inline int4 clamp(const int4 &a, const int4 &mn, const int4 &mx); +ccl_device_inline int4 select(const int4 &mask, const int4 &a, const int4 &b); +#endif /* __KERNEL_GPU__ */ + +/******************************************************************************* + * Definition. + */ + +#ifndef __KERNEL_GPU__ +ccl_device_inline int4 operator+(const int4 &a, const int4 &b) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_add_epi32(a.m128, b.m128)); +# else + return make_int4(a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w); +# endif +} + +ccl_device_inline int4 operator+=(int4 &a, const int4 &b) +{ + return a = a + b; +} + +ccl_device_inline int4 operator>>(const int4 &a, int i) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_srai_epi32(a.m128, i)); +# else + return make_int4(a.x >> i, a.y >> i, a.z >> i, a.w >> i); +# endif +} + +ccl_device_inline int4 operator<<(const int4 &a, int i) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_slli_epi32(a.m128, i)); +# else + return make_int4(a.x << i, a.y << i, a.z << i, a.w << i); +# endif +} + +ccl_device_inline int4 operator<(const int4 &a, const int4 &b) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_cmplt_epi32(a.m128, b.m128)); +# else + return make_int4(a.x < b.x, a.y < b.y, a.z < b.z, a.w < b.w); +# endif +} + +ccl_device_inline int4 operator>=(const int4 &a, const int4 &b) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_xor_si128(_mm_set1_epi32(0xffffffff), _mm_cmplt_epi32(a.m128, b.m128))); +# else + return make_int4(a.x >= b.x, a.y >= b.y, a.z >= b.z, a.w >= b.w); +# endif +} + +ccl_device_inline int4 operator&(const int4 &a, const int4 &b) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_and_si128(a.m128, b.m128)); +# else + return make_int4(a.x & b.x, a.y & b.y, a.z & b.z, a.w & b.w); +# endif +} + +ccl_device_inline int4 min(int4 a, int4 b) +{ +# if defined(__KERNEL_SSE__) && defined(__KERNEL_SSE41__) + return int4(_mm_min_epi32(a.m128, b.m128)); +# else + return make_int4(min(a.x, b.x), min(a.y, b.y), min(a.z, b.z), min(a.w, b.w)); +# endif +} + +ccl_device_inline int4 max(int4 a, int4 b) +{ +# if defined(__KERNEL_SSE__) && defined(__KERNEL_SSE41__) + return int4(_mm_max_epi32(a.m128, b.m128)); +# else + return make_int4(max(a.x, b.x), max(a.y, b.y), max(a.z, b.z), max(a.w, b.w)); +# endif +} + +ccl_device_inline int4 clamp(const int4 &a, const int4 &mn, const int4 &mx) +{ + return min(max(a, mn), mx); +} + +ccl_device_inline int4 select(const int4 &mask, const int4 &a, const int4 &b) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_or_si128(_mm_and_si128(mask, a), _mm_andnot_si128(mask, b))); +# else + return make_int4( + (mask.x) ? a.x : b.x, (mask.y) ? a.y : b.y, (mask.z) ? a.z : b.z, (mask.w) ? a.w : b.w); +# endif +} + +ccl_device_inline int4 load_int4(const int *v) +{ +# ifdef __KERNEL_SSE__ + return int4(_mm_loadu_si128((__m128i *)v)); +# else + return make_int4(v[0], v[1], v[2], v[3]); +# endif +} +#endif /* __KERNEL_GPU__ */ + +CCL_NAMESPACE_END + +#endif /* __UTIL_MATH_INT4_H__ */ |