60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
|
|
* Copyright (C) 2022 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-composition-drm-kms-plan"
|
|
|
|
#include "DrmKmsPlan.h"
|
|
|
|
#include "drm/DrmDevice.h"
|
|
#include "drm/DrmPlane.h"
|
|
#include "utils/log.h"
|
|
|
|
namespace android {
|
|
auto DrmKmsPlan::CreateDrmKmsPlan(DrmDisplayPipeline &pipe,
|
|
std::vector<DrmHwcLayer> composition)
|
|
-> std::unique_ptr<DrmKmsPlan> {
|
|
auto plan = std::make_unique<DrmKmsPlan>();
|
|
|
|
auto avail_planes = pipe.GetUsablePlanes();
|
|
|
|
int z_pos = 0;
|
|
for (auto &dhl : composition) {
|
|
std::shared_ptr<BindingOwner<DrmPlane>> plane;
|
|
|
|
/* Skip unsupported planes */
|
|
do {
|
|
if (avail_planes.empty()) {
|
|
return {};
|
|
}
|
|
|
|
plane = *avail_planes.begin();
|
|
avail_planes.erase(avail_planes.begin());
|
|
} while (!plane->Get()->IsValidForLayer(&dhl));
|
|
|
|
LayerToPlaneJoining joining = {
|
|
.layer = std::move(dhl),
|
|
.plane = plane,
|
|
.z_pos = z_pos++,
|
|
};
|
|
|
|
plan->plan.emplace_back(std::move(joining));
|
|
}
|
|
|
|
return plan;
|
|
}
|
|
|
|
} // namespace android
|