1 /*
2 * Copyright (C) 2015 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 #define LOG_TAG "hwc-drm-compositor-worker"
18
19 #include "drmdisplaycompositor.h"
20 #include "drmcompositorworker.h"
21 #include "worker.h"
22
23 #include <stdlib.h>
24
25 #include <cutils/log.h>
26 #include <hardware/hardware.h>
27
28 namespace android {
29
DrmCompositorWorker(DrmDisplayCompositor * compositor)30 DrmCompositorWorker::DrmCompositorWorker(DrmDisplayCompositor *compositor)
31 : Worker("drm-compositor", HAL_PRIORITY_URGENT_DISPLAY),
32 compositor_(compositor) {
33 }
34
~DrmCompositorWorker()35 DrmCompositorWorker::~DrmCompositorWorker() {
36 }
37
Init()38 int DrmCompositorWorker::Init() {
39 return InitWorker();
40 }
41
Routine()42 void DrmCompositorWorker::Routine() {
43 int ret;
44 if (!compositor_->HaveQueuedComposites()) {
45 ret = Lock();
46 if (ret) {
47 ALOGE("Failed to lock worker, %d", ret);
48 return;
49 }
50
51 int wait_ret = WaitForSignalOrExitLocked();
52
53 ret = Unlock();
54 if (ret) {
55 ALOGE("Failed to unlock worker, %d", ret);
56 return;
57 }
58
59 if (wait_ret == -EINTR) {
60 return;
61 } else if (wait_ret) {
62 ALOGE("Failed to wait for signal, %d", wait_ret);
63 return;
64 }
65 }
66
67 ret = compositor_->Composite();
68 if (ret)
69 ALOGE("Failed to composite! %d", ret);
70 }
71 }
72