/* ** ** Copyright 2009, The Android Open Source Project ** ** 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. */ #define LOG_TAG "StopWatch" #include <stdlib.h> #include <stdio.h> #include <utils/StopWatch.h> #include <utils/Log.h> #include <ui/GraphicBuffer.h> #include <ui/GraphicBufferMapper.h> using namespace android; void* lamecpy(void* d, void const* s, size_t size) { char* dst = (char*)d; char const* src = (char const*)s; while (size) { *dst++ = *src++; size--; } return d; } int main(int argc, char** argv) { size_t size = 128*256*4; void* temp = malloc(size); void* temp2 = malloc(size); memset(temp, 0, size); memset(temp2, 0, size); sp<GraphicBuffer> buffer = new GraphicBuffer(128, 256, HAL_PIXEL_FORMAT_RGBA_8888, GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN); status_t err = buffer->initCheck(); if (err != NO_ERROR) { printf("%s\n", strerror(-err)); return 0; } void* vaddr; buffer->lock( GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN, &vaddr); { StopWatch watch("memset"); for (int i=0 ; i<10 ; i++) memset(vaddr, 0, size); } { StopWatch watch("memcpy baseline"); for (int i=0 ; i<10 ; i++) memcpy(temp, temp2, size); } { StopWatch watch("memcpy from gralloc"); for (int i=0 ; i<10 ; i++) memcpy(temp, vaddr, size); } { StopWatch watch("memcpy into gralloc"); for (int i=0 ; i<10 ; i++) memcpy(vaddr, temp, size); } { StopWatch watch("lamecpy baseline"); for (int i=0 ; i<10 ; i++) lamecpy(temp, temp2, size); } { StopWatch watch("lamecpy from gralloc"); for (int i=0 ; i<10 ; i++) lamecpy(temp, vaddr, size); } { StopWatch watch("lamecpy into gralloc"); for (int i=0 ; i<10 ; i++) lamecpy(vaddr, temp, size); } buffer->unlock(); return 0; }