129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
/*
|
|
* Copyright (C) 2015-2016 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#define LOG_TAG "hwc-virtual-compositor-worker"
|
|
|
|
#include "virtualcompositorworker.h"
|
|
|
|
#include <cutils/log.h>
|
|
#include <sw_sync.h>
|
|
#include <sync/sync.h>
|
|
|
|
namespace android {
|
|
|
|
static const int kMaxQueueDepth = 3;
|
|
static const int kAcquireWaitTimeoutMs = 3000;
|
|
|
|
VirtualCompositorWorker::VirtualCompositorWorker()
|
|
: QueueWorker("virtual-compositor", HAL_PRIORITY_URGENT_DISPLAY),
|
|
timeline_fd_(-1),
|
|
timeline_(0),
|
|
timeline_current_(0) {
|
|
}
|
|
|
|
VirtualCompositorWorker::~VirtualCompositorWorker() {
|
|
if (timeline_fd_ >= 0) {
|
|
FinishComposition(timeline_);
|
|
close(timeline_fd_);
|
|
timeline_fd_ = -1;
|
|
}
|
|
}
|
|
|
|
int VirtualCompositorWorker::Init() {
|
|
int ret = sw_sync_timeline_create();
|
|
if (ret < 0) {
|
|
ALOGE("Failed to create sw sync timeline %d", ret);
|
|
return ret;
|
|
}
|
|
timeline_fd_ = ret;
|
|
|
|
set_max_queue_size(kMaxQueueDepth);
|
|
return InitWorker();
|
|
}
|
|
|
|
void VirtualCompositorWorker::QueueComposite(hwc_display_contents_1_t *dc) {
|
|
std::unique_ptr<VirtualComposition> composition(new VirtualComposition);
|
|
|
|
composition->outbuf_acquire_fence.Set(dc->outbufAcquireFenceFd);
|
|
dc->outbufAcquireFenceFd = -1;
|
|
if (dc->retireFenceFd >= 0)
|
|
close(dc->retireFenceFd);
|
|
dc->retireFenceFd = CreateNextTimelineFence();
|
|
|
|
for (size_t i = 0; i < dc->numHwLayers; ++i) {
|
|
hwc_layer_1_t *layer = &dc->hwLayers[i];
|
|
if (layer->flags & HWC_SKIP_LAYER)
|
|
continue;
|
|
composition->layer_acquire_fences.emplace_back(layer->acquireFenceFd);
|
|
layer->acquireFenceFd = -1;
|
|
if (layer->releaseFenceFd >= 0)
|
|
close(layer->releaseFenceFd);
|
|
layer->releaseFenceFd = CreateNextTimelineFence();
|
|
}
|
|
|
|
composition->release_timeline = timeline_;
|
|
|
|
QueueWork(std::move(composition));
|
|
}
|
|
|
|
int VirtualCompositorWorker::CreateNextTimelineFence() {
|
|
++timeline_;
|
|
return sw_sync_fence_create(timeline_fd_, "drm_fence", timeline_);
|
|
}
|
|
|
|
int VirtualCompositorWorker::FinishComposition(int point) {
|
|
int timeline_increase = point - timeline_current_;
|
|
if (timeline_increase <= 0)
|
|
return 0;
|
|
int ret = sw_sync_timeline_inc(timeline_fd_, timeline_increase);
|
|
if (ret)
|
|
ALOGE("Failed to increment sync timeline %d", ret);
|
|
else
|
|
timeline_current_ = point;
|
|
return ret;
|
|
}
|
|
|
|
void VirtualCompositorWorker::ProcessWork(
|
|
std::unique_ptr<VirtualComposition> composition) {
|
|
if (!composition.get())
|
|
return;
|
|
|
|
int ret;
|
|
int outbuf_acquire_fence = composition->outbuf_acquire_fence.get();
|
|
if (outbuf_acquire_fence >= 0) {
|
|
ret = sync_wait(outbuf_acquire_fence, kAcquireWaitTimeoutMs);
|
|
if (ret) {
|
|
ALOGE("Failed to wait for outbuf acquire %d/%d", outbuf_acquire_fence,
|
|
ret);
|
|
return;
|
|
}
|
|
composition->outbuf_acquire_fence.Close();
|
|
}
|
|
for (size_t i = 0; i < composition->layer_acquire_fences.size(); ++i) {
|
|
int layer_acquire_fence = composition->layer_acquire_fences[i].get();
|
|
if (layer_acquire_fence >= 0) {
|
|
ret = sync_wait(layer_acquire_fence, kAcquireWaitTimeoutMs);
|
|
if (ret) {
|
|
ALOGE("Failed to wait for layer acquire %d/%d", layer_acquire_fence,
|
|
ret);
|
|
return;
|
|
}
|
|
composition->layer_acquire_fences[i].Close();
|
|
}
|
|
}
|
|
FinishComposition(composition->release_timeline);
|
|
}
|
|
}
|