Brecht Van Lommel
9cfc7967dd
* Replace license text in headers with SPDX identifiers. * Remove specific license info from outdated readme.txt, instead leave details to the source files. * Add list of SPDX license identifiers used, and corresponding license texts. * Update copyright dates while we're at it. Ref D14069, T95597
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2011-2022 Blender Foundation */
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#pragma once
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#define __KERNEL_CPU__
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/* Release kernel has too much false-positive maybe-uninitialized warnings,
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* which makes it possible to miss actual warnings.
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*/
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#if (defined(__GNUC__) && !defined(__clang__)) && defined(NDEBUG)
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# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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# pragma GCC diagnostic ignored "-Wuninitialized"
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#endif
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#include "util/half.h"
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#include "util/math.h"
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#include "util/simd.h"
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#include "util/texture.h"
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#include "util/types.h"
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/* On x86_64, versions of glibc < 2.16 have an issue where expf is
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* much slower than the double version. This was fixed in glibc 2.16.
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*/
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#if !defined(__KERNEL_GPU__) && defined(__x86_64__) && defined(__x86_64__) && \
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defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) && \
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(__GLIBC__ <= 2 && __GLIBC_MINOR__ < 16)
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# define expf(x) ((float)exp((double)(x)))
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#endif
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CCL_NAMESPACE_BEGIN
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/* Assertions inside the kernel only work for the CPU device, so we wrap it in
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* a macro which is empty for other devices */
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#define kernel_assert(cond) assert(cond)
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/* Texture types to be compatible with CUDA textures. These are really just
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* simple arrays and after inlining fetch hopefully revert to being a simple
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* pointer lookup. */
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template<typename T> struct texture {
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ccl_always_inline const T &fetch(int index) const
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{
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kernel_assert(index >= 0 && index < width);
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return data[index];
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}
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T *data;
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int width;
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};
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/* Macros to handle different memory storage on different devices */
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#ifdef __KERNEL_SSE2__
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typedef vector3<sseb> sse3b;
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typedef vector3<ssef> sse3f;
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typedef vector3<ssei> sse3i;
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ccl_device_inline void print_sse3b(const char *label, sse3b &a)
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{
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print_sseb(label, a.x);
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print_sseb(label, a.y);
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print_sseb(label, a.z);
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}
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ccl_device_inline void print_sse3f(const char *label, sse3f &a)
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{
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print_ssef(label, a.x);
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print_ssef(label, a.y);
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print_ssef(label, a.z);
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}
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ccl_device_inline void print_sse3i(const char *label, sse3i &a)
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{
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print_ssei(label, a.x);
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print_ssei(label, a.y);
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print_ssei(label, a.z);
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}
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# if defined(__KERNEL_AVX__) || defined(__KERNEL_AVX2__)
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typedef vector3<avxf> avx3f;
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# endif
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#endif
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CCL_NAMESPACE_END
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