d832d993c5
These replace float3 and packed_float3 in various places in the kernel where a spectral color representation will be used in the future. That representation will require more than 3 channels and conversion to from/RGB. The kernel code was refactored to remove the assumption that Spectrum and RGB colors are the same thing. There are no functional changes, Spectrum is still a float3 and the conversion functions are no-ops. Differential Revision: https://developer.blender.org/D15535
143 lines
4.3 KiB
C++
143 lines
4.3 KiB
C++
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2011-2022 Blender Foundation */
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/* clang-format off */
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/* #define __forceinline triggers a bug in some clang-format versions, disable
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* format for entire file to keep results consistent. */
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#ifndef __UTIL_DEFINES_H__
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#define __UTIL_DEFINES_H__
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/* Bitness */
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#if defined(__ppc64__) || defined(__PPC64__) || defined(__x86_64__) || defined(__ia64__) || \
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defined(_M_X64) || defined(__aarch64__)
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# define __KERNEL_64_BIT__
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#endif
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/* Qualifiers for kernel code shared by CPU and GPU */
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#ifndef __KERNEL_GPU__
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/* Leave inlining decisions to compiler for these, the inline keyword here
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* is not about performance but including function definitions in headers. */
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# define ccl_device static inline
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# define ccl_device_noinline static inline
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# define ccl_device_noinline_cpu ccl_device_noinline
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/* Forced inlining. */
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# if defined(_WIN32) && !defined(FREE_WINDOWS)
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# define ccl_device_inline static __forceinline
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# define ccl_device_forceinline static __forceinline
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# define ccl_device_inline_method __forceinline
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# define ccl_align(...) __declspec(align(__VA_ARGS__))
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# ifdef __KERNEL_64_BIT__
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# define ccl_try_align(...) __declspec(align(__VA_ARGS__))
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# else /* __KERNEL_64_BIT__ */
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# undef __KERNEL_WITH_SSE_ALIGN__
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/* No support for function arguments (error C2719). */
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# define ccl_try_align(...)
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# endif /* __KERNEL_64_BIT__ */
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# define ccl_may_alias
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# define ccl_always_inline __forceinline
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# define ccl_never_inline __declspec(noinline)
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# else /* _WIN32 && !FREE_WINDOWS */
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# define ccl_device_inline static inline __attribute__((always_inline))
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# define ccl_device_forceinline static inline __attribute__((always_inline))
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# define ccl_device_inline_method __attribute__((always_inline))
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# define ccl_align(...) __attribute__((aligned(__VA_ARGS__)))
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# ifndef FREE_WINDOWS64
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# define __forceinline inline __attribute__((always_inline))
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# endif
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# define ccl_try_align(...) __attribute__((aligned(__VA_ARGS__)))
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# define ccl_may_alias __attribute__((__may_alias__))
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# define ccl_always_inline __attribute__((always_inline))
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# define ccl_never_inline __attribute__((noinline))
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# endif /* _WIN32 && !FREE_WINDOWS */
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/* Address spaces for GPU. */
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# define ccl_global
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# define ccl_inline_constant inline constexpr
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# define ccl_constant const
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# define ccl_private
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# define ccl_restrict __restrict
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# define ccl_optional_struct_init
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# define ccl_loop_no_unroll
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# define ccl_attr_maybe_unused [[maybe_unused]]
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# define __KERNEL_WITH_SSE_ALIGN__
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/* Use to suppress '-Wimplicit-fallthrough' (in place of 'break'). */
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# ifndef ATTR_FALLTHROUGH
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# if defined(__GNUC__) && (__GNUC__ >= 7) /* gcc7.0+ only */
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# define ATTR_FALLTHROUGH __attribute__((fallthrough))
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# else
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# define ATTR_FALLTHROUGH ((void)0)
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# endif
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# endif
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#endif /* __KERNEL_GPU__ */
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/* macros */
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/* hints for branch prediction, only use in code that runs a _lot_ */
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#if defined(__GNUC__) && !defined(__KERNEL_GPU__)
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# define LIKELY(x) __builtin_expect(!!(x), 1)
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# define UNLIKELY(x) __builtin_expect(!!(x), 0)
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#else
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# define LIKELY(x) (x)
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# define UNLIKELY(x) (x)
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#endif
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#if defined(__GNUC__) || defined(__clang__)
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# if defined(__cplusplus)
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/* Some magic to be sure we don't have reference in the type. */
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template<typename T> static inline T decltype_helper(T x)
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{
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return x;
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}
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# define TYPEOF(x) decltype(decltype_helper(x))
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# else
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# define TYPEOF(x) typeof(x)
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# endif
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#endif
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/* Causes warning:
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* incompatible types when assigning to type 'Foo' from type 'Bar'
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* ... the compiler optimizes away the temp var */
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#ifdef __GNUC__
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# define CHECK_TYPE(var, type) \
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{ \
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TYPEOF(var) * __tmp; \
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__tmp = (type *)NULL; \
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(void)__tmp; \
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} \
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(void)0
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# define CHECK_TYPE_PAIR(var_a, var_b) \
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{ \
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TYPEOF(var_a) * __tmp; \
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__tmp = (typeof(var_b) *)NULL; \
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(void)__tmp; \
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} \
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(void)0
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#else
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# define CHECK_TYPE(var, type)
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# define CHECK_TYPE_PAIR(var_a, var_b)
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#endif
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/* can be used in simple macros */
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#define CHECK_TYPE_INLINE(val, type) ((void)(((type)0) != (val)))
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#ifndef __KERNEL_GPU__
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# include <cassert>
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# define util_assert(statement) assert(statement)
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#else
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# define util_assert(statement)
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#endif
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#define CONCAT_HELPER(a, ...) a##__VA_ARGS__
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#define CONCAT(a, ...) CONCAT_HELPER(a, __VA_ARGS__)
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#endif /* __UTIL_DEFINES_H__ */
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