5b06dc00ac
frameworks/native/services/surfaceflinger/tests/vsync/vsync.cpp:55:44: error: 'ALOOPER_EVENT_INPUT' was not declared in this scope
loop->addFd(myDisplayEvent.getFd(), 0, ALOOPER_EVENT_INPUT, receiver,
^
frameworks/native/services/surfaceflinger/tests/vsync/vsync.cpp:64:18: error: 'ALOOPER_POLL_WAKE' was not declared in this scope
case ALOOPER_POLL_WAKE:
^
frameworks/native/services/surfaceflinger/tests/vsync/vsync.cpp:67:18: error: 'ALOOPER_POLL_CALLBACK' was not declared in this scope
case ALOOPER_POLL_CALLBACK:
^
frameworks/native/services/surfaceflinger/tests/vsync/vsync.cpp:70:18: error: 'ALOOPER_POLL_TIMEOUT' was not declared in this scope
case ALOOPER_POLL_TIMEOUT:
^
frameworks/native/services/surfaceflinger/tests/vsync/vsync.cpp:73:18: error: 'ALOOPER_POLL_ERROR' was not declared in this scope
case ALOOPER_POLL_ERROR:
^
it is missing one header file
Change-Id: Ie2fb02523a866b13a99edf837f072d101cacb466
Signed-off-by: Nanik Tolaram <nanikjava@gmail.com>
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <android/looper.h>
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#include <gui/DisplayEventReceiver.h>
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#include <utils/Looper.h>
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using namespace android;
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int receiver(int fd, int events, void* data)
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{
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DisplayEventReceiver* q = (DisplayEventReceiver*)data;
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ssize_t n;
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DisplayEventReceiver::Event buffer[1];
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static nsecs_t oldTimeStamp = 0;
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while ((n = q->getEvents(buffer, 1)) > 0) {
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for (int i=0 ; i<n ; i++) {
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if (buffer[i].header.type == DisplayEventReceiver::DISPLAY_EVENT_VSYNC) {
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printf("event vsync: count=%d\t", buffer[i].vsync.count);
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}
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if (oldTimeStamp) {
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float t = float(buffer[i].header.timestamp - oldTimeStamp) / s2ns(1);
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printf("%f ms (%f Hz)\n", t*1000, 1.0/t);
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}
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oldTimeStamp = buffer[i].header.timestamp;
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}
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}
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if (n<0) {
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printf("error reading events (%s)\n", strerror(-n));
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}
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return 1;
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}
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int main(int argc, char** argv)
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{
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DisplayEventReceiver myDisplayEvent;
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sp<Looper> loop = new Looper(false);
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loop->addFd(myDisplayEvent.getFd(), 0, ALOOPER_EVENT_INPUT, receiver,
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&myDisplayEvent);
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myDisplayEvent.setVsyncRate(1);
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do {
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//printf("about to poll...\n");
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int32_t ret = loop->pollOnce(-1);
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switch (ret) {
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case ALOOPER_POLL_WAKE:
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//("ALOOPER_POLL_WAKE\n");
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break;
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case ALOOPER_POLL_CALLBACK:
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//("ALOOPER_POLL_CALLBACK\n");
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break;
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case ALOOPER_POLL_TIMEOUT:
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printf("ALOOPER_POLL_TIMEOUT\n");
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break;
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case ALOOPER_POLL_ERROR:
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printf("ALOOPER_POLL_TIMEOUT\n");
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break;
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default:
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printf("ugh? poll returned %d\n", ret);
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break;
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}
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} while (1);
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return 0;
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}
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