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 30 DrmCompositorWorker::DrmCompositorWorker(DrmDisplayCompositor *compositor) 31 : Worker("drm-compositor", HAL_PRIORITY_URGENT_DISPLAY), 32 compositor_(compositor) { 33 } 34 35 DrmCompositorWorker::~DrmCompositorWorker() { 36 } 37 38 int DrmCompositorWorker::Init() { 39 return InitWorker(); 40 } 41 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
