46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
|
|
* Copyright (C) 2020 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_BACKEND_H
|
|
#define ANDROID_BACKEND_H
|
|
|
|
#include "hwc2_device/DrmHwcTwo.h"
|
|
|
|
namespace android {
|
|
|
|
class Backend {
|
|
public:
|
|
virtual ~Backend() = default;
|
|
virtual HWC2::Error ValidateDisplay(HwcDisplay *display, uint32_t *num_types,
|
|
uint32_t *num_requests);
|
|
virtual std::tuple<int, size_t> GetClientLayers(
|
|
HwcDisplay *display, const std::vector<HwcLayer *> &layers);
|
|
virtual bool IsClientLayer(HwcDisplay *display, HwcLayer *layer);
|
|
|
|
protected:
|
|
static bool HardwareSupportsLayerType(HWC2::Composition comp_type);
|
|
static uint32_t CalcPixOps(const std::vector<HwcLayer *> &layers,
|
|
size_t first_z, size_t size);
|
|
static void MarkValidated(std::vector<HwcLayer *> &layers,
|
|
size_t client_first_z, size_t client_size);
|
|
static std::tuple<int, int> GetExtraClientRange(
|
|
HwcDisplay *display, const std::vector<HwcLayer *> &layers,
|
|
int client_start, size_t client_size);
|
|
};
|
|
} // namespace android
|
|
|
|
#endif
|