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/*
* Copyright (C) 2015 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_DRM_DISPLAY_COMPOSITION_H_
#define ANDROID_DRM_DISPLAY_COMPOSITION_H_
#include <hardware/hardware.h>
#include <hardware/hwcomposer.h>
#include <sstream>
#include <vector>
#include "drm/DrmCrtc.h"
#include "drm/DrmPlane.h"
#include "drmhwcomposer.h"
namespace android {
class Importer;
constexpr size_t kUndefinedSourceLayer = UINT16_MAX;
class DrmCompositionPlane {
public:
DrmCompositionPlane() = default;
DrmCompositionPlane(DrmCompositionPlane &&rhs) = default;
DrmCompositionPlane &operator=(DrmCompositionPlane &&other) = default;
DrmCompositionPlane(DrmPlane *plane, size_t source_layer)
: plane_(plane), source_layer_(source_layer) {
}
DrmPlane *plane() const {
return plane_;
}
size_t source_layer() const {
return source_layer_;
}
private:
DrmPlane *plane_ = nullptr;
size_t source_layer_ = kUndefinedSourceLayer;
};
class DrmDisplayComposition {
public:
DrmDisplayComposition(const DrmDisplayComposition &) = delete;
explicit DrmDisplayComposition(DrmCrtc *crtc);
~DrmDisplayComposition() = default;
int SetLayers(DrmHwcLayer *layers, size_t num_layers);
int AddPlaneComposition(DrmCompositionPlane plane);
int Plan(std::vector<DrmPlane *> *primary_planes,
std::vector<DrmPlane *> *overlay_planes);
std::vector<DrmHwcLayer> &layers() {
return layers_;
}
std::vector<DrmCompositionPlane> &composition_planes() {
return composition_planes_;
}
DrmCrtc *crtc() const {
return crtc_;
}
private:
DrmCrtc *crtc_ = nullptr;
std::vector<DrmHwcLayer> layers_;
std::vector<DrmCompositionPlane> composition_planes_;
};
} // namespace android
#endif // ANDROID_DRM_DISPLAY_COMPOSITION_H_
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