rsThreadIO.cpp revision 1fddd90849deaae89b546ff492c345d485bbce42 
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}
28
29ThreadIO::~ThreadIO()
30{
31}
32
33void ThreadIO::shutdown()
34{
35    mToCore.shutdown();
36}
37
38bool ThreadIO::playCoreCommands(Context *con, bool waitForCommand)
39{
40    bool ret = false;
41    while(!mToCore.isEmpty() || waitForCommand) {
42        uint32_t cmdID = 0;
43        uint32_t cmdSize = 0;
44        ret = true;
45        if (con->props.mLogTimes) {
46            con->timerSet(Context::RS_TIMER_IDLE);
47        }
48        const void * data = mToCore.get(&cmdID, &cmdSize);
49        if (!cmdSize) {
50            // exception occured, probably shutdown.
51            return false;
52        }
53        if (con->props.mLogTimes) {
54            con->timerSet(Context::RS_TIMER_INTERNAL);
55        }
56        waitForCommand = false;
57        //LOGV("playCoreCommands 3 %i %i", cmdID, cmdSize);
58
59        gPlaybackFuncs[cmdID](con, data);
60        mToCore.next();
61    }
62    return ret;
63}
64
65
66