path: root/hwc2/include/VirtualDevice.h (plain)
blob: 553d03c73789ab2895b23f819cddf84073930681

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 VIRTUAL_DEVICE_H
20	#define VIRTUAL_DEVICE_H
21
22	namespace android {
23	namespace amlogic {
24
25	class VirtualDevice : public IDisplayDevice {
26	enum {
27	LAYER_MAX_NUM_CHANGE_TYPE = 16,
28	LAYER_MAX_NUM_SUPPORT = 16,
29	};
30	public:
31	VirtualDevice(Hwcomposer& hwc);
32	virtual ~VirtualDevice();
33
34	friend class Hwcomposer;
35	friend class HwcLayer;
36
37	public:
38	// Required by HWC2
39	virtual int32_t acceptDisplayChanges();
40	virtual bool createLayer(hwc2_layer_t* outLayer);
41	virtual bool destroyLayer(hwc2_layer_t layer);
42	virtual int32_t getActiveConfig(hwc2_config_t* outConfig);
43	virtual int32_t getChangedCompositionTypes(uint32_t* outNumElements, hwc2_layer_t* outLayers,
44	int32_t* /*hwc2_composition_t*/ outTypes);
45	virtual int32_t getClientTargetSupport(uint32_t width,
46	uint32_t height, int32_t /*android_pixel_format_t*/ format,
47	int32_t /*android_dataspace_t*/ dataspace);
48	virtual int32_t getColorModes(uint32_t* outNumModes,
49	int32_t* /*android_color_mode_t*/ outModes);
50	virtual int32_t getDisplayAttribute(hwc2_config_t config,
51	int32_t /*hwc2_attribute_t*/ attribute, int32_t* outValue);
52	virtual int32_t getDisplayConfigs(uint32_t* outNumConfigs, hwc2_config_t* outConfigs);
53	virtual int32_t getDisplayName(uint32_t* outSize,char* outName);
54	virtual int32_t getDisplayRequests(int32_t* /*hwc2_display_request_t*/ outDisplayRequests,
55	uint32_t* outNumElements, hwc2_layer_t* outLayers, int32_t* /*hwc2_layer_request_t*/ outLayerRequests);
56	virtual int32_t getDisplayType(int32_t* /*hwc2_display_type_t*/ outType);
57	virtual int32_t getDozeSupport(int32_t* outSupport);
58	virtual int32_t getHdrCapabilities(uint32_t* outNumTypes,
59	int32_t* /*android_hdr_t*/ outTypes, float* outMaxLuminance,
60	float* outMaxAverageLuminance, float* outMinLuminance);
61	virtual int32_t getReleaseFences(uint32_t* outNumElements, hwc2_layer_t* outLayers, int32_t* outFences);
62	virtual int32_t presentDisplay(int32_t* outRetireFence);
63	virtual int32_t setActiveConfig(hwc2_config_t config);
64	virtual int32_t setClientTarget(buffer_handle_t target,
65	int32_t acquireFence, int32_t /*android_dataspace_t*/ dataspace, hwc_region_t damage);
66	virtual int32_t setColorMode(int32_t /*android_color_mode_t*/ mode);
67	virtual int32_t setColorTransform(const float* matrix, int32_t /*android_color_transform_t*/ hint);
68
69	//virtual int32_t setOutputBuffer(buffer_handle_t buffer, int32_t releaseFence); // virtual display only
70
71	virtual int32_t setPowerMode(int32_t /*hwc2_power_mode_t*/ mode);
72	virtual bool vsyncControl(bool enabled); // virtual hwc2_error_t setVsyncEnabled(hwc2_display_t display, int32_t /*hwc2_vsync_t*/ enabled);
73	virtual int32_t validateDisplay(uint32_t* outNumTypes, uint32_t* outNumRequests);
74	virtual int32_t setCursorPosition(hwc2_layer_t layerId, int32_t x, int32_t y);
75
76	virtual int32_t createVirtualDisplay(uint32_t width, uint32_t height, int32_t* format, hwc2_display_t* outDisplay);
77	virtual int32_t destroyVirtualDisplay(hwc2_display_t display);
78	virtual int32_t setOutputBuffer(buffer_handle_t buffer, int32_t releaseFence);
79
80	// Other Display methods
81	virtual Hwcomposer& getDevice() const { return mHwc; }
82	virtual hwc2_display_t getId() const { return mId; }
83	virtual bool isConnected() const { return mIsConnected; }
84
85	// device related operations
86	virtual bool initCheck() const { return mInitialized; }
87	virtual bool initialize();
88	virtual void deinitialize();
89	virtual const char* getName() const { return mName; };
90	virtual int getDisplayId() const { return mId; };
91	virtual HwcLayer* getLayerById(hwc2_layer_t layerId);
92	virtual bool updateDisplayConfigs();
93
94	//events
95	virtual void onVsync(int64_t timestamp);
96	virtual void onHotplug(int disp, bool connected);
97	virtual void dump(Dump& d);
98
99	private:
100	// For use by Device
101	int32_t postFramebuffer(int32_t* outRetireFence);
102
103	// Member variables
104	hwc2_display_t mId;
105	const char *mName;
106	bool mIsConnected;
107	Hwcomposer& mHwc;
108	uint32_t mWidth;
109	uint32_t mHeight;
110	int32_t mFormat;
111	char mDisplayMode[32];
112
113	int32_t /*android_color_mode_t*/ mColorMode;
114
115	// client target layer.
116	buffer_handle_t mClientTargetHnd;
117	hwc_region_t mClientTargetDamageRegion;
118	int32_t mTargetAcquireFence;
119
120	buffer_handle_t mVirtualHnd;
121	int32_t mVirtualReleaseFence;
122
123	int32_t mRetireFence;
124
125	// num of composition type changed layer.
126	uint32_t mNumLayersChangetype;
127	uint32_t mNumLayerChangerequest;
128
129	// layer
130	KeyedVector<hwc2_layer_t, HwcLayer*> mHwcLayersChangeType;
131	KeyedVector<hwc2_layer_t, HwcLayer*> mHwcLayers;
132
133	// lock
134	Mutex mLock;
135	bool mInitialized;
136	};
137
138	}
139	}
140
141	#endif /* VIRTUAL_DEVICE_H */
142
143