1 /*************************************************************************** 2 Copyright (c) 2010, Code Aurora Forum. All rights reserved. 3 Copyright 2006-2010, The Android Open Source Project 4 5 Licensed under the Apache License, Version 2.0 (the "License"); you 6 may not use this file except in compliance with the License. You may 7 obtain a copy of the License at 8 9 http://www.apache.org/licenses/LICENSE-2.0 10 11 Unless required by applicable law or agreed to in writing, software 12 distributed under the License is distributed on an "AS IS" BASIS, 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 14 implied. See the License for the specific language governing 15 permissions and limitations under the License. 16 ***************************************************************************/ 17 18 /* Changes: 19 * 2011-04-01 ARM 20 * Merged the functions from src/opts/opts_check_arm_neon.cpp 21 * Modified to return ARM version of memset16 and memset32 if no neon 22 * available in the core 23 */ 24 25 #include "SkUtils.h" 26 27 extern "C" void memset16_neon(uint16_t dst[], uint16_t value, int count); 28 extern "C" void memset32_neon(uint32_t dst[], uint32_t value, int count); 29 30 extern "C" void arm_memset16(uint16_t* dst, uint16_t value, int count); 31 extern "C" void arm_memset32(uint32_t* dst, uint32_t value, int count); 32 33 static inline bool hasNeonRegisters() { 34 #if defined(__ARM_HAVE_NEON) && defined(SK_CPU_LENDIAN) 35 return true; 36 #else 37 return false; 38 #endif 39 } 40 41 SkMemset16Proc SkMemset16GetPlatformProc() { 42 if (hasNeonRegisters()) { 43 return memset16_neon; 44 } else { 45 #if defined(SK_CPU_LENDIAN) 46 return arm_memset16; 47 #else 48 return NULL; 49 #endif 50 } 51 } 52 53 SkMemset32Proc SkMemset32GetPlatformProc() { 54 if (hasNeonRegisters()) { 55 return memset32_neon; 56 } else { 57 #if defined(SK_CPU_LENDIAN) 58 return arm_memset32; 59 #else 60 return NULL; 61 #endif 62 } 63 } 64
