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// Copyright (c) 2014 Intel Corporation 
// 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
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
#include <common/utils/Dump.h>
#include <hardware/hwcomposer.h>
#include <utils/SortedVector.h>
#include <DataBuffer.h>
#include <DisplayPlane.h>
#include <DisplayPlaneManager.h>
#include <common/base/HwcLayer.h>
namespace android {
namespace intel {
class HwcLayerList {
HwcLayerList(hwc_display_contents_1_t *list, int disp);
virtual ~HwcLayerList();
virtual bool initialize();
virtual void deinitialize();
virtual bool update(hwc_display_contents_1_t *list);
virtual DisplayPlane* getPlane(uint32_t index) const;
void postFlip();
// dump interface
virtual void dump(Dump& d);
bool checkSupported(int planeType, HwcLayer *hwcLayer);
bool checkRgbOverlaySupported(HwcLayer *hwcLayer);
bool checkCursorSupported(HwcLayer *hwcLayer);
bool allocatePlanes();
bool assignCursorPlanes();
bool assignCursorPlanes(int index, int planeNumber);
bool assignOverlayPlanes();
bool assignOverlayPlanes(int index, int planeNumber);
bool assignSpritePlanes();
bool assignSpritePlanes(int index, int planeNumber);
bool assignPrimaryPlane();
bool assignPrimaryPlaneHelper(HwcLayer *hwcLayer, int zorder = -1);
bool attachPlanes();
bool useAsFrameBufferTarget(HwcLayer *target);
bool hasIntersection(HwcLayer *la, HwcLayer *lb);
ZOrderLayer* addZOrderLayer(int type, HwcLayer *hwcLayer, int zorder = -1);
void removeZOrderLayer(ZOrderLayer *layer);
void setupSmartComposition();
void dump();
class HwcLayerVector : public SortedVector<HwcLayer*> {
HwcLayerVector() {}
virtual int do_compare(const void* lhs, const void* rhs) const {
const HwcLayer* l = *(HwcLayer**)lhs;
const HwcLayer* r = *(HwcLayer**)rhs;
// sorted from index 0 to n
return l->getIndex() - r->getIndex();
class PriorityVector : public SortedVector<HwcLayer*> {
PriorityVector() {}
virtual int do_compare(const void* lhs, const void* rhs) const {
const HwcLayer* l = *(HwcLayer**)lhs;
const HwcLayer* r = *(HwcLayer**)rhs;
return r->getPriority() - l->getPriority();
hwc_display_contents_1_t *mList;
int mLayerCount;
HwcLayerVector mLayers;
HwcLayerVector mFBLayers;
PriorityVector mSpriteCandidates;
PriorityVector mOverlayCandidates;
PriorityVector mCursorCandidates;
ZOrderConfig mZOrderConfig;
HwcLayer *mFrameBufferTarget;
int mDisplayIndex;
} // namespace intel
} // namespace android
#endif /* HWC_LAYER_LIST_H */