gralloc.cpp revision 3330b203039dea366d4981db1408a460134b2d2c 
1/*
2 **
3 ** Copyright 2009, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may 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 implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18#define LOG_TAG "StopWatch"
19
20#include <stdlib.h>
21#include <stdio.h>
22#include <utils/StopWatch.h>
23#include <utils/Log.h>
24
25#include <ui/GraphicBuffer.h>
26#include <ui/GraphicBufferMapper.h>
27
28using namespace android;
29
30void* lamecpy(void* d, void const* s, size_t size) {
31    char* dst = (char*)d;
32    char const* src = (char const*)s;
33    while (size) {
34        *dst++ = *src++;
35        size--;
36    }
37    return d;
38}
39
40int main(int argc, char** argv)
41{
42    size_t size = 128*256*4;
43    void* temp = malloc(size);
44    void* temp2 = malloc(size);
45    memset(temp, 0, size);
46    memset(temp2, 0, size);
47
48
49    sp<GraphicBuffer> buffer = new GraphicBuffer(128, 256, HAL_PIXEL_FORMAT_RGBA_8888,
50            GRALLOC_USAGE_SW_READ_OFTEN |
51            GRALLOC_USAGE_SW_WRITE_OFTEN);
52
53    status_t err = buffer->initCheck();
54    if (err != NO_ERROR) {
55        printf("%s\n", strerror(-err));
56        return 0;
57    }
58
59    void* vaddr;
60    buffer->lock(
61            GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
62            &vaddr);
63
64    {
65        StopWatch watch("memset");
66        for (int i=0 ; i<10 ; i++)
67            memset(vaddr, 0, size);
68    }
69
70    {
71        StopWatch watch("memcpy baseline");
72        for (int i=0 ; i<10 ; i++)
73            memcpy(temp, temp2, size);
74    }
75
76    {
77        StopWatch watch("memcpy from gralloc");
78        for (int i=0 ; i<10 ; i++)
79            memcpy(temp, vaddr, size);
80    }
81
82    {
83        StopWatch watch("memcpy into gralloc");
84        for (int i=0 ; i<10 ; i++)
85            memcpy(vaddr, temp, size);
86    }
87
88
89    {
90        StopWatch watch("lamecpy baseline");
91        for (int i=0 ; i<10 ; i++)
92            lamecpy(temp, temp2, size);
93    }
94
95    {
96        StopWatch watch("lamecpy from gralloc");
97        for (int i=0 ; i<10 ; i++)
98            lamecpy(temp, vaddr, size);
99    }
100
101    {
102        StopWatch watch("lamecpy into gralloc");
103        for (int i=0 ; i<10 ; i++)
104            lamecpy(vaddr, temp, size);
105    }
106
107    buffer->unlock();
108
109    return 0;
110}
111