Differential D12367 Diff 41308 intern/cycles/kernel/device/cpu/compat.h

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intern/cycles/kernel/device/cpu/compat.h

This file was moved from intern/cycles/kernel/kernel_compat_cpu.h.

	/*			/*
	* Copyright 2011-2013 Blender Foundation			* Copyright 2011-2013 Blender Foundation
	*			*
	* Licensed under the Apache License, Version 2.0 (the "License");			* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.			* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at			* You may obtain a copy of the License at
	*			*
	* http://www.apache.org/licenses/LICENSE-2.0			* http://www.apache.org/licenses/LICENSE-2.0
	*			*
	* Unless required by applicable law or agreed to in writing, software			* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,			* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.			* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and			* See the License for the specific language governing permissions and
	* limitations under the License.			* limitations under the License.
	*/			*/

	#ifndef __KERNEL_COMPAT_CPU_H__			#pragma once
	#define __KERNEL_COMPAT_CPU_H__

	#define __KERNEL_CPU__			#define __KERNEL_CPU__

	/* Release kernel has too much false-positive maybe-uninitialized warnings,			/* Release kernel has too much false-positive maybe-uninitialized warnings,
	* which makes it possible to miss actual warnings.			* which makes it possible to miss actual warnings.
	*/			*/
	#if (defined(__GNUC__) && !defined(__clang__)) && defined(NDEBUG)			#if (defined(__GNUC__) && !defined(__clang__)) && defined(NDEBUG)
	# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"			# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
	# pragma GCC diagnostic ignored "-Wuninitialized"			# pragma GCC diagnostic ignored "-Wuninitialized"
	#endif			#endif

	/* Selective nodes compilation. */
	#ifndef __NODES_MAX_GROUP__
	# define __NODES_MAX_GROUP__ NODE_GROUP_LEVEL_MAX
	#endif
	#ifndef __NODES_FEATURES__
	# define __NODES_FEATURES__ NODE_FEATURE_ALL
	#endif

	#include "util/util_half.h"			#include "util/util_half.h"
	#include "util/util_math.h"			#include "util/util_math.h"
	#include "util/util_simd.h"			#include "util/util_simd.h"
	#include "util/util_texture.h"			#include "util/util_texture.h"
	#include "util/util_types.h"			#include "util/util_types.h"

	#define ccl_addr_space			#define ccl_addr_space

	#define ccl_local_id(d) 0
	#define ccl_global_id(d) (kg->global_id[d])

	#define ccl_local_size(d) 1
	#define ccl_global_size(d) (kg->global_size[d])

	#define ccl_group_id(d) ccl_global_id(d)
	#define ccl_num_groups(d) ccl_global_size(d)

	/* On x86_64, versions of glibc < 2.16 have an issue where expf is			/* On x86_64, versions of glibc < 2.16 have an issue where expf is
	* much slower than the double version. This was fixed in glibc 2.16.			* much slower than the double version. This was fixed in glibc 2.16.
	*/			*/
	#if !defined(__KERNEL_GPU__) && defined(__x86_64__) && defined(__x86_64__) && \			#if !defined(__KERNEL_GPU__) && defined(__x86_64__) && defined(__x86_64__) && \
	defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) && \			defined(__GNU_LIBRARY__) && defined(__GLIBC__) && defined(__GLIBC_MINOR__) && \
	(__GLIBC__ <= 2 && __GLIBC_MINOR__ < 16)			(__GLIBC__ <= 2 && __GLIBC_MINOR__ < 16)
	# define expf(x) ((float)exp((double)(x)))			# define expf(x) ((float)exp((double)(x)))
	#endif			#endif

	CCL_NAMESPACE_BEGIN			CCL_NAMESPACE_BEGIN

	/* Assertions inside the kernel only work for the CPU device, so we wrap it in			/* Assertions inside the kernel only work for the CPU device, so we wrap it in
	* a macro which is empty for other devices */			* a macro which is empty for other devices */

	#define kernel_assert(cond) assert(cond)			#define kernel_assert(cond) assert(cond)

	/* Texture types to be compatible with CUDA textures. These are really just			/* Texture types to be compatible with CUDA textures. These are really just
	* simple arrays and after inlining fetch hopefully revert to being a simple			* simple arrays and after inlining fetch hopefully revert to being a simple
	* pointer lookup. */			* pointer lookup. */
	template<typename T> struct texture {			template<typename T> struct texture {
	ccl_always_inline const T &fetch(int index)			ccl_always_inline const T &fetch(int index) const
	{			{
	kernel_assert(index >= 0 && index < width);			kernel_assert(index >= 0 && index < width);
	return data[index];			return data[index];
	}			}
	#if defined(__KERNEL_AVX__) \|\| defined(__KERNEL_AVX2__)
	/* Reads 256 bytes but indexes in blocks of 128 bytes to maintain
	* compatibility with existing indices and data structures.
	*/
	ccl_always_inline avxf fetch_avxf(const int index)
	{
	kernel_assert(index >= 0 && (index + 1) < width);
	ssef ssef_data = (ssef )data;
	ssef *ssef_node_data = &ssef_data[index];
	return _mm256_loadu_ps((float *)ssef_node_data);
	}
	#endif

	#ifdef __KERNEL_SSE2__
	ccl_always_inline ssef fetch_ssef(int index)
	{
	kernel_assert(index >= 0 && index < width);
	return ((ssef *)data)[index];
	}

	ccl_always_inline ssei fetch_ssei(int index)
	{
	kernel_assert(index >= 0 && index < width);
	return ((ssei *)data)[index];
	}
	#endif

	T *data;			T *data;
	int width;			int width;
	};			};

	/* Macros to handle different memory storage on different devices */			/* Macros to handle different memory storage on different devices */

	#define kernel_tex_fetch(tex, index) (kg->tex.fetch(index))
	#define kernel_tex_fetch_avxf(tex, index) (kg->tex.fetch_avxf(index))
	#define kernel_tex_fetch_ssef(tex, index) (kg->tex.fetch_ssef(index))
	#define kernel_tex_fetch_ssei(tex, index) (kg->tex.fetch_ssei(index))
	#define kernel_tex_lookup(tex, t, offset, size) (kg->tex.lookup(t, offset, size))
	#define kernel_tex_array(tex) (kg->tex.data)

	#define kernel_data (kg->__data)

	#ifdef __KERNEL_SSE2__			#ifdef __KERNEL_SSE2__
	typedef vector3<sseb> sse3b;			typedef vector3<sseb> sse3b;
	typedef vector3<ssef> sse3f;			typedef vector3<ssef> sse3f;
	typedef vector3<ssei> sse3i;			typedef vector3<ssei> sse3i;

	ccl_device_inline void print_sse3b(const char *label, sse3b &a)			ccl_device_inline void print_sse3b(const char *label, sse3b &a)
	{			{
	print_sseb(label, a.x);			print_sseb(label, a.x);
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	# if defined(__KERNEL_AVX__) \|\| defined(__KERNEL_AVX2__)			# if defined(__KERNEL_AVX__) \|\| defined(__KERNEL_AVX2__)
	typedef vector3<avxf> avx3f;			typedef vector3<avxf> avx3f;
	# endif			# endif

	#endif			#endif

	CCL_NAMESPACE_END			CCL_NAMESPACE_END

	#endif /* __KERNEL_COMPAT_CPU_H__ */