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1 #ifndef _TCUANDROIDRENDERACTIVITY_HPP
2 #define _TCUANDROIDRENDERACTIVITY_HPP
3 /*-------------------------------------------------------------------------
4  * drawElements Quality Program Tester Core
5  * ----------------------------------------
6  *
7  * Copyright 2014 The Android Open Source Project
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  *
21  *//*!
22  * \file
23  * \brief RenderActivity base class.
24  *//*--------------------------------------------------------------------*/
25 
26 #include "tcuDefs.hpp"
27 #include "tcuAndroidNativeActivity.hpp"
28 #include "deThread.hpp"
29 #include "deThreadSafeRingBuffer.hpp"
30 
31 namespace tcu
32 {
33 namespace Android
34 {
35 
36 enum MessageType
37 {
38 	// Execution control messages. No data argument.
39 	MESSAGE_RESUME = 0,
40 	MESSAGE_PAUSE,
41 	MESSAGE_FINISH,
42 
43 	// Window messages. Argument is ANativeWindow pointer.
44 	MESSAGE_WINDOW_CREATED,
45 	MESSAGE_WINDOW_RESIZED,
46 	MESSAGE_WINDOW_DESTROYED,
47 
48 	// Input queue messages. Argument is AInputQueue pointer.
49 	MESSAGE_INPUT_QUEUE_CREATED,
50 	MESSAGE_INPUT_QUEUE_DESTROYED,
51 
52 	MESSAGE_SYNC,					//!< Main thread requests sync. Data argument is de::Semaphore* that needs to be incremented.
53 
54 	MESSAGETYPE_LAST
55 };
56 
57 struct Message
58 {
59 	MessageType			type;			//!< Message type.
60 	union
61 	{
62 		ANativeWindow*	window;
63 		AInputQueue*	inputQueue;
64 		de::Semaphore*	semaphore;
65 	} payload;							//!< Optional data argument.
66 
Messagetcu::Android::Message67 	Message (void)
68 		: type(MESSAGETYPE_LAST)
69 	{
70 	}
71 
Messagetcu::Android::Message72 	explicit Message (MessageType type_)
73 		: type(type_)
74 	{
75 		DE_ASSERT(type_ == MESSAGE_RESUME	||
76 				  type_ == MESSAGE_PAUSE	||
77 				  type_ == MESSAGE_FINISH);
78 	}
79 
Messagetcu::Android::Message80 	Message (MessageType type_, ANativeWindow* window)
81 		: type(type_)
82 	{
83 		DE_ASSERT(type_ == MESSAGE_WINDOW_CREATED	||
84 				  type_ == MESSAGE_WINDOW_DESTROYED	||
85 				  type_ == MESSAGE_WINDOW_RESIZED);
86 		DE_ASSERT(window);
87 		payload.window = window;
88 	}
89 
Messagetcu::Android::Message90 	Message (MessageType type_, AInputQueue* inputQueue)
91 		: type(type_)
92 	{
93 		DE_ASSERT(type_ == MESSAGE_INPUT_QUEUE_CREATED	||
94 				  type_ == MESSAGE_INPUT_QUEUE_DESTROYED);
95 		DE_ASSERT(inputQueue);
96 		payload.inputQueue = inputQueue;
97 	}
98 
Messagetcu::Android::Message99 	Message (MessageType type_, de::Semaphore* semaphore)
100 		: type(type_)
101 	{
102 		DE_ASSERT(type_ == MESSAGE_SYNC);
103 		DE_ASSERT(semaphore);
104 		payload.semaphore = semaphore;
105 	}
106 };
107 
108 enum WindowState
109 {
110 	WINDOWSTATE_NOT_CREATED = 0,	//!< Framework hasn't signaled window creation.
111 	WINDOWSTATE_NOT_INITIALIZED,	//!< Framework hasn't signaled first resize after creation and thus size is not final.
112 	WINDOWSTATE_READY,				//!< Window is ready for use.
113 	WINDOWSTATE_DESTROYED,			//!< Window has been destroyed.
114 
115 	WINDOWSTATE_LAST
116 };
117 
118 typedef de::ThreadSafeRingBuffer<Message> MessageQueue;
119 
120 class RenderThread : private de::Thread
121 {
122 public:
123 							RenderThread				(NativeActivity& activity);
124 							~RenderThread				(void);
125 
126 	void					start						(void);
127 	void					resume						(void);
128 	void					pause						(void);
129 	void					stop						(void);
130 
131 	void					enqueue						(const Message& message);
132 	void					sync						(void);
133 
134 	void					run							(void);
135 
136 protected:
onInputEvent(AInputEvent * event)137 	virtual void			onInputEvent				(AInputEvent* event) { DE_UNREF(event); }
138 	virtual void			onWindowCreated				(ANativeWindow* window) = 0;
139 	virtual void			onWindowResized				(ANativeWindow* window) = 0;
140 	virtual void			onWindowDestroyed			(ANativeWindow* window) = 0;
141 	virtual bool			render						(void) = 0;
142 
getNativeActivity(void)143 	NativeActivity&			getNativeActivity			(void) { return m_activity; }
144 
145 private:
146 	void					processMessage				(const Message& message);
147 
148 	// Shared state.
149 	NativeActivity&			m_activity;
150 	MessageQueue			m_msgQueue;
151 
152 	// Parent thread state.
153 	bool					m_threadRunning;
154 
155 	// Thread state.
156 	AInputQueue*			m_inputQueue;
157 	WindowState				m_windowState;
158 	ANativeWindow*			m_window;
159 	bool					m_paused;					//!< Is rendering paused?
160 	bool					m_finish;					//!< Has thread received FINISH message?
161 	bool					m_receivedFirstResize;				//!< Has the first onWindowResized been processed?
162 };
163 
164 class RenderActivity : public NativeActivity
165 {
166 public:
167 							RenderActivity				(ANativeActivity* activity);
168 	virtual					~RenderActivity				(void);
169 
170 	virtual void			onStart						(void);
171 	virtual void			onResume					(void);
172 	virtual void			onPause						(void);
173 	virtual void			onStop						(void);
174 	virtual void			onDestroy					(void);
175 
176 	virtual void			onNativeWindowCreated		(ANativeWindow* window);
177 	virtual void			onNativeWindowResized		(ANativeWindow* window);
178 	virtual void			onNativeWindowRedrawNeeded	(ANativeWindow* window);
179 	virtual void			onNativeWindowDestroyed		(ANativeWindow* window);
180 
181 	virtual void			onInputQueueCreated			(AInputQueue* queue);
182 	virtual void			onInputQueueDestroyed		(AInputQueue* queue);
183 
184 protected:
185 	//! Set rendering thread. Must be called at construction time.
186 	void					setThread					(RenderThread* thread);
187 
188 private:
189 							RenderActivity				(const RenderActivity& other);
190 	RenderActivity&			operator=					(const RenderActivity& other);
191 
192 	RenderThread*			m_thread;
193 };
194 
195 } // Android
196 } // tcu
197 
198 #endif // _TCUANDROIDRENDERACTIVITY_HPP
199