blender-archive/intern/cycles/kernel/kernels/cpu/kernel_split.cpp

/*
 * Copyright 2011-2013 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.
 */

/* CPU kernel entry points */

/* On x86-64, we can assume SSE2, so avoid the extra kernel and compile this
 * one with SSE2 intrinsics.
 */
#if defined(__x86_64__) || defined(_M_X64)
#  define __KERNEL_SSE2__
#endif

#define __SPLIT_KERNEL__

/* When building kernel for native machine detect kernel features from the flags
 * set by compiler.
 */
#ifdef WITH_KERNEL_NATIVE
#  ifdef __SSE2__
#    ifndef __KERNEL_SSE2__
#      define __KERNEL_SSE2__
#    endif
#  endif
#  ifdef __SSE3__
#    define __KERNEL_SSE3__
#  endif
#  ifdef __SSSE3__
#    define __KERNEL_SSSE3__
#  endif
#  ifdef __SSE4_1__
#    define __KERNEL_SSE41__
#  endif
#  ifdef __AVX__
#    define __KERNEL_AVX__
#  endif
#  ifdef __AVX2__
#    define __KERNEL_SSE__
#    define __KERNEL_AVX2__
#  endif
#endif

/* quiet unused define warnings */
#if defined(__KERNEL_SSE2__)
    /* do nothing */
#endif

#include "kernel/kernel.h"
#define KERNEL_ARCH cpu
#include "kernel/kernels/cpu/kernel_cpu_impl.h"