path: root/hwc2/common/base/HwcLayer.h (plain)
blob: 2c378adb1d6bb7cb805ceabbc5a2d9b7c500087a

1	/*
2	// Copyright (c) 2014 Intel Corporation
3	//
4	// Licensed under the Apache License, Version 2.0 (the "License");
5	// you may not use this file except in compliance with the License.
6	// You may obtain a copy of the License at
7	//
8	// http://www.apache.org/licenses/LICENSE-2.0
9	//
10	// Unless required by applicable law or agreed to in writing, software
11	// distributed under the License is distributed on an "AS IS" BASIS,
12	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	// See the License for the specific language governing permissions and
14	// limitations under the License.
15	//
16	// This file is modified by Amlogic, Inc. 2017.01.17.
17	*/
18
19	#ifndef HWC_LAYER_H
20	#define HWC_LAYER_H
21
22	#include <hardware/hwcomposer2.h>
23	#include <utils/threads.h>
24	#include <Dump.h>
25	#include <utils/Vector.h>
26	#include <Utils.h>
27	#include <HwcFenceControl.h>
28
29	namespace android {
30	namespace amlogic {
31
32	class HwcLayer {
33	public:
34	HwcLayer(hwc2_display_t& dpy);
35	virtual ~HwcLayer();
36
37	// HWC2 Layer functions
38	int32_t setBuffer(buffer_handle_t buffer, int32_t acquireFence);
39	int32_t setSurfaceDamage(hwc_region_t damage);
40
41	// HWC2 Layer state functions
42	int32_t setBlendMode(int32_t mode);
43	int32_t setColor(hwc_color_t color);
44	int32_t setDataspace(int32_t dataspace);
45	int32_t setDisplayFrame(hwc_rect_t frame);
46	int32_t setPlaneAlpha(float alpha);
47	int32_t setSidebandStream(const native_handle_t* stream);
48	int32_t setSourceCrop(hwc_frect_t crop);
49	int32_t setTransform(int32_t transform);
50	int32_t setVisibleRegion(hwc_region_t visible);
51	int32_t setZ(uint32_t z);
52	uint32_t getZ() const { return mZ; }
53
54	int32_t setCompositionType(int32_t type);
55	int32_t getCompositionType() const { return mCompositionType; }
56
57	// get HWC2 Layer state functions
58	buffer_handle_t getBufferHandle() const { return mBufferHnd; }
59	const native_handle_t* getSidebandStream() const { return mSidebandStream; }
60	int32_t getAcquireFence() const { return mAcquireFence; }
61	int32_t getDuppedAcquireFence() { return HwcFenceControl::dupFence(mAcquireFence); }
62	hwc_region_t getSurfaceDamage() { return mDamageRegion; };
63	int32_t getBlendMode() { return mBlendMode; };
64	hwc_color_t getColor() { return mColor; };
65	int32_t getDataspace() { return mDataSpace; };
66	hwc_rect_t getDisplayFrame() { return mDisplayFrame;};
67	float getPlaneAlpha() { return mPlaneAlpha; };
68	hwc_frect_t getSourceCrop() { return mSourceCrop; };
69	int32_t getTransform() { return mTransform; };
70	hwc_region_t getVisibleRegion() { return mVisibleRegion; };
71
72	bool initialize();
73	void deinitialize();
74	void dump(Dump& d);
75
76	void resetAcquireFence();
77
78	bool isCropped();
79	bool isScaled();
80	bool isOffset();
81	bool isBlended();
82	bool haveColor();
83	bool havePlaneAlpha();
84	bool haveDataspace();
85	void reverseScaledFrame(const float& scaleX, const float& scaleY);
86
87	#if WITH_LIBPLAYER_MODULE
88	void presentOverlay(bool bPresent);
89	#endif
90
91	private:
92	void resetLayerBuffer();
93
94	private:
95	hwc2_display_t mDisplayId;
96	int32_t mBlendMode;
97	hwc_color_t mColor;
98	int32_t mCompositionType;
99	int32_t mAcquireFence;
100	int32_t mDataSpace;
101	float mPlaneAlpha;
102	int32_t mTransform;
103	int32_t mLastTransform;
104	uint32_t mZ;
105	hwc_frect_t mSourceCrop;
106	hwc_rect_t mDisplayFrame;
107	hwc_rect_t mLastDisplayFrame;
108	hwc_region_t mDamageRegion;
109	hwc_region_t mVisibleRegion;
110
111
112	union {
113	buffer_handle_t mBufferHnd;
114
115	/* When compositionType is HWC_SIDEBAND, this is the handle
116	* of the sideband video stream to compose. */
117	const native_handle_t* mSidebandStream;
118	};
119
120	#if WITH_LIBPLAYER_MODULE
121	// for store overlay layer's state.
122	char mLastVal[32];
123	char mLastAxis[32];
124	char mLastMode[32];
125	char mLastFreescale[32];
126	char mLastWindowaxis[50];
127	#endif
128	// lock
129	Mutex mLock;
130	bool mInitialized;
131	bool mScaleReversed;
132	};
133
134	} // namespace amlogic
135	} // namespace android
136
137
138	#endif /* HWC_LAYER_H */
139