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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
//
// 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 DISPLAYPLANEMANAGER_H_
#define DISPLAYPLANEMANAGER_H_
#include <common/utils/Dump.h>
#include <DisplayPlane.h>
#include <common/base/HwcLayer.h>
#include <utils/Vector.h>
namespace android {
namespace intel {
struct ZOrderLayer
{
ZOrderLayer() {
memset(this, 0, sizeof(ZOrderLayer));
}
inline bool operator<(const ZOrderLayer& rhs) const {
return zorder < rhs.zorder;
}
int planeType;
int zorder;
DisplayPlane *plane;
HwcLayer *hwcLayer;
};
class ZOrderConfig : public SortedVector<ZOrderLayer*> {
public:
ZOrderConfig() {}
int do_compare(const void* lhs, const void* rhs) const {
const ZOrderLayer *l = *(ZOrderLayer**)lhs;
const ZOrderLayer *r = *(ZOrderLayer**)rhs;
// sorted from z order 0 to n
return l->zorder - r->zorder;
}
};
class DisplayPlaneManager {
public:
DisplayPlaneManager();
virtual ~DisplayPlaneManager();
public:
virtual bool initialize();
virtual void deinitialize();
virtual bool isValidZOrder(int dsp, ZOrderConfig& config) = 0;
virtual bool assignPlanes(int dsp, ZOrderConfig& config) = 0;
// TODO: remove this API
virtual void* getZOrderConfig() const = 0;
virtual int getFreePlanes(int dsp, int type);
virtual void reclaimPlane(int dsp, DisplayPlane& plane);
virtual void disableReclaimedPlanes();
virtual bool isOverlayPlanesDisabled();
// dump interface
virtual void dump(Dump& d);
protected:
// plane allocation & free
int getPlane(uint32_t& mask);
int getPlane(uint32_t& mask, int index);
DisplayPlane* getPlane(int type, int index);
DisplayPlane* getAnyPlane(int type);
void putPlane(int index, uint32_t& mask);
void putPlane(int dsp, DisplayPlane& plane);
bool isFreePlane(int type, int index);
virtual DisplayPlane* allocPlane(int index, int type) = 0;
protected:
int mPlaneCount[DisplayPlane::PLANE_MAX];
int mTotalPlaneCount;
int mPrimaryPlaneCount;
int mSpritePlaneCount;
int mOverlayPlaneCount;
int mCursorPlaneCount;
Vector<DisplayPlane*> mPlanes[DisplayPlane::PLANE_MAX];
// Bitmap of free planes. Bit0 - plane A, bit 1 - plane B, etc.
uint32_t mFreePlanes[DisplayPlane::PLANE_MAX];
uint32_t mReclaimedPlanes[DisplayPlane::PLANE_MAX];
bool mInitialized;
enum {
DEFAULT_PRIMARY_PLANE_COUNT = 3
};
};
} // namespace intel
} // namespace android
#endif /* DISPLAYPLANEMANAGER_H_ */
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