1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "rsContext.h"
18
19#include "rsThreadIO.h"
20
21using namespace android;
22using namespace android::renderscript;
23
24ThreadIO::ThreadIO()
25{
26    mToCore.init(16 * 1024);
27    mToClient.init(1024);
28}
29
30ThreadIO::~ThreadIO()
31{
32}
33
34void ThreadIO::shutdown()
35{
36    mToCore.shutdown();
37}
38
39bool ThreadIO::playCoreCommands(Context *con, bool waitForCommand)
40{
41    bool ret = false;
42    while(!mToCore.isEmpty() || waitForCommand) {
43        uint32_t cmdID = 0;
44        uint32_t cmdSize = 0;
45        ret = true;
46        if (con->props.mLogTimes) {
47            con->timerSet(Context::RS_TIMER_IDLE);
48        }
49        const void * data = mToCore.get(&cmdID, &cmdSize);
50        if (!cmdSize) {
51            // exception occured, probably shutdown.
52            return false;
53        }
54        if (con->props.mLogTimes) {
55            con->timerSet(Context::RS_TIMER_INTERNAL);
56        }
57        waitForCommand = false;
58        //LOGV("playCoreCommands 3 %i %i", cmdID, cmdSize);
59
60        gPlaybackFuncs[cmdID](con, data);
61        mToCore.next();
62    }
63    return ret;
64}
65
66
67