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/* |
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// Copyright (c) 2014 Intel Corporation |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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*/ |
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#ifndef DISPLAYPLANEMANAGER_H_ |
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#define DISPLAYPLANEMANAGER_H_ |
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#include <common/utils/Dump.h> |
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#include <DisplayPlane.h> |
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#include <common/base/HwcLayer.h> |
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#include <utils/Vector.h> |
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namespace android { |
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namespace intel { |
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struct ZOrderLayer |
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{ |
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ZOrderLayer() { |
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memset(this, 0, sizeof(ZOrderLayer)); |
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} |
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inline bool operator<(const ZOrderLayer& rhs) const { |
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return zorder < rhs.zorder; |
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} |
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int planeType; |
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int zorder; |
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DisplayPlane *plane; |
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HwcLayer *hwcLayer; |
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}; |
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class ZOrderConfig : public SortedVector<ZOrderLayer*> { |
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public: |
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ZOrderConfig() {} |
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int do_compare(const void* lhs, const void* rhs) const { |
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const ZOrderLayer *l = *(ZOrderLayer**)lhs; |
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const ZOrderLayer *r = *(ZOrderLayer**)rhs; |
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// sorted from z order 0 to n |
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return l->zorder - r->zorder; |
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} |
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}; |
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class DisplayPlaneManager { |
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public: |
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DisplayPlaneManager(); |
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virtual ~DisplayPlaneManager(); |
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public: |
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virtual bool initialize(); |
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virtual void deinitialize(); |
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virtual bool isValidZOrder(int dsp, ZOrderConfig& config) = 0; |
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virtual bool assignPlanes(int dsp, ZOrderConfig& config) = 0; |
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// TODO: remove this API |
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virtual void* getZOrderConfig() const = 0; |
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virtual int getFreePlanes(int dsp, int type); |
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virtual void reclaimPlane(int dsp, DisplayPlane& plane); |
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virtual void disableReclaimedPlanes(); |
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virtual bool isOverlayPlanesDisabled(); |
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// dump interface |
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virtual void dump(Dump& d); |
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protected: |
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// plane allocation & free |
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int getPlane(uint32_t& mask); |
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int getPlane(uint32_t& mask, int index); |
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DisplayPlane* getPlane(int type, int index); |
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DisplayPlane* getAnyPlane(int type); |
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void putPlane(int index, uint32_t& mask); |
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void putPlane(int dsp, DisplayPlane& plane); |
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bool isFreePlane(int type, int index); |
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virtual DisplayPlane* allocPlane(int index, int type) = 0; |
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protected: |
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int mPlaneCount[DisplayPlane::PLANE_MAX]; |
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int mTotalPlaneCount; |
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int mPrimaryPlaneCount; |
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int mSpritePlaneCount; |
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int mOverlayPlaneCount; |
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int mCursorPlaneCount; |
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Vector<DisplayPlane*> mPlanes[DisplayPlane::PLANE_MAX]; |
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// Bitmap of free planes. Bit0 - plane A, bit 1 - plane B, etc. |
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uint32_t mFreePlanes[DisplayPlane::PLANE_MAX]; |
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uint32_t mReclaimedPlanes[DisplayPlane::PLANE_MAX]; |
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bool mInitialized; |
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enum { |
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DEFAULT_PRIMARY_PLANE_COUNT = 3 |
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}; |
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}; |
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} // namespace intel |
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} // namespace android |
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#endif /* DISPLAYPLANEMANAGER_H_ */
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