1 /* 2 * Copyright 2017 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkUtils_opts_DEFINED 9 #define SkUtils_opts_DEFINED 10 11 #include <stdint.h> 12 #include "include/private/SkNx.h" 13 14 namespace SK_OPTS_NS { 15 16 template <typename T> memsetT(T buffer[],T value,int count)17 static void memsetT(T buffer[], T value, int count) { 18 #if defined(SK_CPU_SSE_LEVEL) && SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_AVX 19 static const int N = 32 / sizeof(T); 20 #else 21 static const int N = 16 / sizeof(T); 22 #endif 23 while (count >= N) { 24 SkNx<N,T>(value).store(buffer); 25 buffer += N; 26 count -= N; 27 } 28 while (count --> 0) { 29 *buffer++ = value; 30 } 31 } 32 memset16(uint16_t buffer[],uint16_t value,int count)33 /*not static*/ inline void memset16(uint16_t buffer[], uint16_t value, int count) { 34 memsetT(buffer, value, count); 35 } memset32(uint32_t buffer[],uint32_t value,int count)36 /*not static*/ inline void memset32(uint32_t buffer[], uint32_t value, int count) { 37 memsetT(buffer, value, count); 38 } memset64(uint64_t buffer[],uint64_t value,int count)39 /*not static*/ inline void memset64(uint64_t buffer[], uint64_t value, int count) { 40 memsetT(buffer, value, count); 41 } 42 43 template <typename T> rect_memsetT(T buffer[],T value,int count,size_t rowBytes,int height)44 static void rect_memsetT(T buffer[], T value, int count, size_t rowBytes, int height) { 45 while (height --> 0) { 46 memsetT(buffer, value, count); 47 buffer = (T*)((char*)buffer + rowBytes); 48 } 49 } 50 rect_memset16(uint16_t buffer[],uint16_t value,int count,size_t rowBytes,int height)51 /*not static*/ inline void rect_memset16(uint16_t buffer[], uint16_t value, int count, 52 size_t rowBytes, int height) { 53 rect_memsetT(buffer, value, count, rowBytes, height); 54 } rect_memset32(uint32_t buffer[],uint32_t value,int count,size_t rowBytes,int height)55 /*not static*/ inline void rect_memset32(uint32_t buffer[], uint32_t value, int count, 56 size_t rowBytes, int height) { 57 rect_memsetT(buffer, value, count, rowBytes, height); 58 } rect_memset64(uint64_t buffer[],uint64_t value,int count,size_t rowBytes,int height)59 /*not static*/ inline void rect_memset64(uint64_t buffer[], uint64_t value, int count, 60 size_t rowBytes, int height) { 61 rect_memsetT(buffer, value, count, rowBytes, height); 62 } 63 64 } // namespace SK_OPTS_NS 65 66 #endif//SkUtils_opts_DEFINED 67