2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #define LOG_TAG "hwc-drm-compositor-worker"
19 #include "drmdisplaycompositor.h"
20 #include "drmcompositorworker.h"
25 #include <cutils/log.h>
26 #include <hardware/hardware.h>
30 static const int64_t kSquashWait = 500000000LL;
32 DrmCompositorWorker::DrmCompositorWorker(DrmDisplayCompositor *compositor)
33 : Worker("drm-compositor", HAL_PRIORITY_URGENT_DISPLAY),
34 compositor_(compositor) {
37 DrmCompositorWorker::~DrmCompositorWorker() {
40 int DrmCompositorWorker::Init() {
44 void DrmCompositorWorker::Routine() {
46 if (!compositor_->HaveQueuedComposites()) {
49 ALOGE("Failed to lock worker, %d", ret);
53 // Only use a timeout if we didn't do a SquashAll last time. This will
54 // prevent wait_ret == -ETIMEDOUT which would trigger a SquashAll and be a
55 // pointless drain on resources.
56 int wait_ret = did_squash_all_ ? WaitForSignalOrExitLocked()
57 : WaitForSignalOrExitLocked(kSquashWait);
61 ALOGE("Failed to unlock worker, %d", ret);
71 ret = compositor_->SquashAll();
73 ALOGE("Failed to squash all %d", ret);
74 did_squash_all_ = true;
77 ALOGE("Failed to wait for signal, %d", wait_ret);
82 ret = compositor_->Composite();
84 ALOGE("Failed to composite! %d", ret);
85 did_squash_all_ = false;