tornavis/intern/cycles/util/defines.h

107 lines
3.5 KiB
C

/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
*
* SPDX-License-Identifier: Apache-2.0 */
/* clang-format off */
/* #define __forceinline triggers a bug in some clang-format versions, disable
* format for entire file to keep results consistent. */
#ifndef __UTIL_DEFINES_H__
#define __UTIL_DEFINES_H__
/* Bitness */
#if defined(__ppc64__) || defined(__PPC64__) || defined(__x86_64__) || defined(__ia64__) || \
defined(_M_X64) || defined(__aarch64__)
# define __KERNEL_64_BIT__
#endif
/* Qualifiers for kernel code shared by CPU and GPU */
#ifndef __KERNEL_GPU__
/* Leave inlining decisions to compiler for these, the inline keyword here
* is not about performance but including function definitions in headers. */
# define ccl_device static inline
# define ccl_device_extern extern "C"
# define ccl_device_noinline static inline
# define ccl_device_noinline_cpu ccl_device_noinline
/* Forced inlining. */
# if defined(_WIN32) && !defined(FREE_WINDOWS)
# define ccl_device_inline static __forceinline
# define ccl_device_forceinline static __forceinline
# define ccl_device_inline_method __forceinline
# define ccl_align(...) __declspec(align(__VA_ARGS__))
# ifdef __KERNEL_64_BIT__
# define ccl_try_align(...) __declspec(align(__VA_ARGS__))
# else /* __KERNEL_64_BIT__ */
# undef __KERNEL_WITH_SSE_ALIGN__
/* No support for function arguments (error C2719). */
# define ccl_try_align(...)
# endif /* __KERNEL_64_BIT__ */
# define ccl_may_alias
# define ccl_always_inline __forceinline
# define ccl_never_inline __declspec(noinline)
# else /* _WIN32 && !FREE_WINDOWS */
# define ccl_device_inline static inline __attribute__((always_inline))
# define ccl_device_forceinline static inline __attribute__((always_inline))
# define ccl_device_inline_method __attribute__((always_inline))
# define ccl_align(...) __attribute__((aligned(__VA_ARGS__)))
# ifndef FREE_WINDOWS64
# define __forceinline inline __attribute__((always_inline))
# endif
# define ccl_try_align(...) __attribute__((aligned(__VA_ARGS__)))
# define ccl_may_alias __attribute__((__may_alias__))
# define ccl_always_inline __attribute__((always_inline))
# define ccl_never_inline __attribute__((noinline))
# endif /* _WIN32 && !FREE_WINDOWS */
/* Address spaces for GPU. */
# define ccl_global
# define ccl_inline_constant inline constexpr
# define ccl_static_constexpr static constexpr
# define ccl_constant const
# define ccl_private
# define ccl_ray_data ccl_private
# define ccl_restrict __restrict
# define ccl_optional_struct_init
# define ccl_loop_no_unroll
# define ccl_attr_maybe_unused [[maybe_unused]]
# define __KERNEL_WITH_SSE_ALIGN__
/* Use to suppress '-Wimplicit-fallthrough' (in place of 'break'). */
# ifndef ATTR_FALLTHROUGH
# if defined(__GNUC__) && (__GNUC__ >= 7) /* gcc7.0+ only */
# define ATTR_FALLTHROUGH __attribute__((fallthrough))
# else
# define ATTR_FALLTHROUGH ((void)0)
# endif
# endif
#endif /* __KERNEL_GPU__ */
/* macros */
/* hints for branch prediction, only use in code that runs a _lot_ */
#if defined(__GNUC__) && !defined(__KERNEL_GPU__)
# define LIKELY(x) __builtin_expect(!!(x), 1)
# define UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
# define LIKELY(x) (x)
# define UNLIKELY(x) (x)
#endif
#ifndef __KERNEL_GPU__
# include <cassert>
# define util_assert(statement) assert(statement)
#else
# define util_assert(statement)
#endif
#define CONCAT_HELPER(a, ...) a##__VA_ARGS__
#define CONCAT(a, ...) CONCAT_HELPER(a, __VA_ARGS__)
#endif /* __UTIL_DEFINES_H__ */