blender/intern/cycles/util/util_optimization.h
2014-01-30 15:26:22 +11:00

133 lines
2.9 KiB
C

/*
* 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
*/
#ifndef __UTIL_OPTIMIZATION_H__
#define __UTIL_OPTIMIZATION_H__
#ifndef __KERNEL_GPU__
/* quiet unused define warnings */
#if defined(__KERNEL_SSE2__) || \
defined(__KERNEL_SSE3__) || \
defined(__KERNEL_SSSE3__) || \
defined(__KERNEL_SSE41__)
/* do nothing */
#endif
/* x86
*
* Compile a regular, SSE2 and SSE3 kernel. */
#if defined(i386) || defined(_M_IX86)
#ifdef WITH_KERNEL_SSE2
#define WITH_CYCLES_OPTIMIZED_KERNEL_SSE2
#endif
#ifdef WITH_KERNEL_SSE3
#define WITH_CYCLES_OPTIMIZED_KERNEL_SSE3
#endif
#endif
/* x86-64
*
* Compile a regular (includes SSE2), SSE3 and SSE 4.1 kernel. */
#if defined(__x86_64__) || defined(_M_X64)
/* SSE2 is always available on x86-64 CPUs, so auto enable */
#define __KERNEL_SSE2__
/* no SSE2 kernel on x86-64, part of regular kernel */
#ifdef WITH_KERNEL_SSE3
#define WITH_CYCLES_OPTIMIZED_KERNEL_SSE3
#endif
#ifdef WITH_KERNEL_SSE41
#define WITH_CYCLES_OPTIMIZED_KERNEL_SSE41
#endif
#ifdef WITH_KERNEL_AVX
#define WITH_CYCLES_OPTIMIZED_KERNEL_AVX
#endif
/* MSVC 2008, no SSE41 (broken blendv intrinsic) and no AVX support */
#if defined(_MSC_VER) && (_MSC_VER < 1700)
#undef WITH_CYCLES_OPTIMIZED_KERNEL_SSE41
#undef WITH_CYCLES_OPTIMIZED_KERNEL_AVX
#endif
#endif
/* SSE Experiment
*
* This is disabled code for an experiment to use SSE types globally for types
* such as float3 and float4. Currently this gives an overall slowdown. */
#if 0
#define __KERNEL_SSE__
#ifndef __KERNEL_SSE2__
#define __KERNEL_SSE2__
#endif
#ifndef __KERNEL_SSE3__
#define __KERNEL_SSE3__
#endif
#ifndef __KERNEL_SSSE3__
#define __KERNEL_SSSE3__
#endif
#ifndef __KERNEL_SSE4__
#define __KERNEL_SSE4__
#endif
#endif
/* SSE Intrinsics includes
*
* We assume __KERNEL_SSEX__ flags to have been defined at this point */
/* SSE intrinsics headers */
#ifndef FREE_WINDOWS64
#ifdef __KERNEL_SSE2__
#include <xmmintrin.h> /* SSE 1 */
#include <emmintrin.h> /* SSE 2 */
#endif
#ifdef __KERNEL_SSE3__
#include <pmmintrin.h> /* SSE 3 */
#endif
#ifdef __KERNEL_SSSE3__
#include <tmmintrin.h> /* SSSE 3 */
#endif
#ifdef __KERNEL_SSE41__
#include <smmintrin.h> /* SSE 4.1 */
#endif
#else
/* MinGW64 has conflicting declarations for these SSE headers in <windows.h>.
* Since we can't avoid including <windows.h>, better only include that */
#include <windows.h>
#endif
#endif
#endif /* __UTIL_OPTIMIZATION_H__ */