/src/main/java/org/distorted/library/DistortedSurface.java - Annotate - Distorted Android

library / src / main / java / org / distorted / library / DistortedSurface.java @ 05ecc6fe

1	c5369f1b	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
2			// Copyright 2016 Leszek Koltunski //
3			// //
4			// This file is part of Distorted. //
5			// //
6			// Distorted is free software: you can redistribute it and/or modify //
7			// it under the terms of the GNU General Public License as published by //
8			// the Free Software Foundation, either version 2 of the License, or //
9			// (at your option) any later version. //
10			// //
11			// Distorted is distributed in the hope that it will be useful, //
12			// but WITHOUT ANY WARRANTY; without even the implied warranty of //
13			// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
14			// GNU General Public License for more details. //
15			// //
16			// You should have received a copy of the GNU General Public License //
17			// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
18			///////////////////////////////////////////////////////////////////////////////////////////////////
19
20			package org.distorted.library;
21
22	f28fffc2	Leszek Koltunski	import java.util.HashMap;
23	05ecc6fe	Leszek Koltunski	import java.util.Iterator;
24	af4cc5db	Leszek Koltunski	import java.util.LinkedList;
25	05ecc6fe	Leszek Koltunski	import java.util.Map;
26	af4cc5db	Leszek Koltunski
27			///////////////////////////////////////////////////////////////////////////////////////////////////
28			/**
29			* Keep all objects created in a static LinkedList. The point: we need to be able to mark
30			* Objects for deletion, and delete all marked Objects later at a convenient time (that's
31			* because we can only delete from a thread that holds the OpenGL context so here we provide a
32			* framework where one is able to mark for deletion at any time and actual deletion takes place
33			* on the next render).
34			*/
35			abstract class DistortedSurface
36			{
37	c7da4e65	leszek	static final int FAILED_TO_CREATE = 1;
38			static final int NOT_CREATED_YET = 2;
39			static final int DONT_CREATE = 3;
40			static final int CREATED = 4;
41	af4cc5db	Leszek Koltunski
42	09ab7524	Leszek Koltunski	static final int TYPE_USER = 0;
43			static final int TYPE_TREE = 1;
44			static final int TYPE_SYST = 2;
45
46	f28fffc2	Leszek Koltunski	private static final int JOB_CREATE = 0;
47			private static final int JOB_DELETE = 1;
48
49			private class Job
50			{
51			DistortedSurface surface;
52			int action;
53
54			Job(DistortedSurface s, int a)
55			{
56			surface = s;
57			action = a;
58			}
59			}
60
61	f8377ef8	leszek	private static boolean mToDo = false;
62			private static LinkedList<DistortedSurface> mDoneList = new LinkedList<>();
63	cc2979e3	Leszek Koltunski	private static HashMap<Long,Job> mToDoMap = new HashMap<>();
64	af27df87	leszek	private static long mNextClientID = 0;
65			private static long mNextSystemID = 0;
66	af4cc5db	Leszek Koltunski
67	c204c69d	leszek	private long mID;
68	09ab7524	Leszek Koltunski	private int mType;
69	c7da4e65	leszek	int mColorCreated;
70	af4cc5db	Leszek Koltunski	int[] mColorH = new int[1];
71			int mSizeX, mSizeY; // in screen space
72
73			///////////////////////////////////////////////////////////////////////////////////////////////////
74
75	f8377ef8	leszek	abstract void create();
76	af4cc5db	Leszek Koltunski	abstract void delete();
77	f8377ef8	leszek	abstract void recreate();
78	af4cc5db	Leszek Koltunski
79			///////////////////////////////////////////////////////////////////////////////////////////////////
80	05ecc6fe	Leszek Koltunski	// must be called from a thread holding OpenGL Context
81	af4cc5db	Leszek Koltunski
82	f8377ef8	leszek	static synchronized void toDo()
83	af4cc5db	Leszek Koltunski	{
84	f8377ef8	leszek	if( mToDo )
85	af4cc5db	Leszek Koltunski	{
86	f28fffc2	Leszek Koltunski	Job job;
87	f8377ef8	leszek	DistortedSurface surface;
88	af4cc5db	Leszek Koltunski
89	cc2979e3	Leszek Koltunski	for(Long key: mToDoMap.keySet())
90	af4cc5db	Leszek Koltunski	{
91	cc2979e3	Leszek Koltunski	job = mToDoMap.get(key);
92	f28fffc2	Leszek Koltunski	surface = job.surface;
93	af4cc5db	Leszek Koltunski
94	eadf0859	leszek	//android.util.Log.d("SURFACE", " ---> need to "+(job.action==JOB_CREATE ? "create":"delete")+" surfaceID="+surface.getID() );
95	f28fffc2	Leszek Koltunski
96			if( job.action==JOB_CREATE )
97	af4cc5db	Leszek Koltunski	{
98	f8377ef8	leszek	surface.create();
99			mDoneList.add(surface);
100	af4cc5db	Leszek Koltunski	}
101	f28fffc2	Leszek Koltunski	else if( job.action==JOB_DELETE )
102			{
103			surface.delete();
104			}
105	af4cc5db	Leszek Koltunski	}
106
107	cc2979e3	Leszek Koltunski	mToDoMap.clear();
108	f8377ef8	leszek	mToDo = false;
109	af4cc5db	Leszek Koltunski	}
110			}
111
112	c5369f1b	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
113
114	05ecc6fe	Leszek Koltunski	static synchronized void onPause()
115	af4cc5db	Leszek Koltunski	{
116	f8377ef8	leszek	DistortedSurface surface;
117	05ecc6fe	Leszek Koltunski	int num = mDoneList.size();
118	f8377ef8	leszek
119	05ecc6fe	Leszek Koltunski	for(int i=0; i<num; i++)
120	af4cc5db	Leszek Koltunski	{
121	05ecc6fe	Leszek Koltunski	surface = mDoneList.removeFirst();
122			mToDoMap.put(surface.getID(), surface.new Job(surface,JOB_CREATE) );
123			surface.recreate();
124	af27df87	leszek	}
125
126	05ecc6fe	Leszek Koltunski	mToDo = true;
127			}
128
129			///////////////////////////////////////////////////////////////////////////////////////////////////
130	f28fffc2	Leszek Koltunski
131	05ecc6fe	Leszek Koltunski	static synchronized void onDestroy()
132			{
133			Job job;
134			Iterator<Map.Entry<Long,Job>> it = mToDoMap.entrySet().iterator();
135	af27df87	leszek
136	05ecc6fe	Leszek Koltunski	while (it.hasNext())
137	af27df87	leszek	{
138	05ecc6fe	Leszek Koltunski	Map.Entry<Long,Job> entry = it.next();
139			job = entry.getValue();
140			if (job.surface.mType!=TYPE_SYST) it.remove();
141	af4cc5db	Leszek Koltunski	}
142
143	05ecc6fe	Leszek Koltunski	mDoneList.clear();
144
145	f28fffc2	Leszek Koltunski	mToDo = true;
146	af27df87	leszek	mNextClientID = 0;
147	f8377ef8	leszek	}
148
149	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
150
151	af27df87	leszek	@SuppressWarnings("unused")
152			static void debugLists()
153			{
154			android.util.Log.e("Surface", "Done list:");
155	f28fffc2	Leszek Koltunski
156			DistortedSurface surface;
157			int num = mDoneList.size();
158
159			for(int i=0; i<num; i++)
160			{
161			surface = mDoneList.get(i);
162			surface.print(i, "");
163			}
164
165	af27df87	leszek	android.util.Log.e("Surface", "ToDo list:");
166	f28fffc2	Leszek Koltunski
167			Job job;
168			int i=0;
169
170	cc2979e3	Leszek Koltunski	for(Long key: mToDoMap.keySet())
171	f28fffc2	Leszek Koltunski	{
172	cc2979e3	Leszek Koltunski	job = mToDoMap.get(key);
173	f28fffc2	Leszek Koltunski	job.surface.print(i++, job.action==JOB_CREATE ? " create":" delete");
174			}
175	af27df87	leszek	}
176
177			///////////////////////////////////////////////////////////////////////////////////////////////////
178
179	f28fffc2	Leszek Koltunski	private void print(int i, String extra)
180	af27df87	leszek	{
181			String str;
182
183	f28fffc2	Leszek Koltunski	if( this instanceof DistortedFramebuffer ) str = (i+": Framebuffer ");
184			else if( this instanceof DistortedTexture) str = (i+": Texture ");
185			else if( this instanceof DistortedScreen ) str = (i+": Screen ");
186			else str = (i+": UNKNOWN ");
187	af27df87	leszek
188	f28fffc2	Leszek Koltunski	str += ("("+getWidth()+","+getHeight()+") surfaceID:"+getID());
189	af27df87	leszek
190	f28fffc2	Leszek Koltunski	switch(mType)
191			{
192			case TYPE_SYST: str+=" SYSTEM"; break;
193			case TYPE_USER: str+=" USER" ; break;
194			case TYPE_TREE: str+=" TREE" ; break;
195			default : str+=" ERROR??";
196	af27df87	leszek	}
197	f28fffc2	Leszek Koltunski
198			android.util.Log.e("Surface", str+extra);
199	af27df87	leszek	}
200
201			///////////////////////////////////////////////////////////////////////////////////////////////////
202
203	09ab7524	Leszek Koltunski	DistortedSurface(int width, int height, int create, int type)
204	af4cc5db	Leszek Koltunski	{
205	c7da4e65	leszek	mSizeX = width ;
206			mSizeY = height;
207			mColorCreated = create;
208			mColorH[0] = 0;
209	09ab7524	Leszek Koltunski	mID = type==TYPE_SYST ? --mNextSystemID : ++mNextClientID;
210			mType = type;
211	c7da4e65	leszek
212			if( create!=DONT_CREATE )
213	f8377ef8	leszek	{
214	cc2979e3	Leszek Koltunski	mToDoMap.put(mID, new Job(this,JOB_CREATE) );
215	f8377ef8	leszek	mToDo = true;
216			}
217	af4cc5db	Leszek Koltunski	}
218
219	f28fffc2	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
220
221			synchronized void markForCreation()
222			{
223			mDoneList.remove(this);
224	cc2979e3	Leszek Koltunski	mToDoMap.put(mID, new Job(this,JOB_CREATE) );
225	f28fffc2	Leszek Koltunski	mToDo = true;
226			}
227
228	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
229			// PUBLIC API
230			///////////////////////////////////////////////////////////////////////////////////////////////////
231	c5369f1b	leszek	/**
232	af4cc5db	Leszek Koltunski	* Mark the underlying OpenGL object for deletion. Actual deletion will take place on the next render.
233	c5369f1b	leszek	*/
234	f28fffc2	Leszek Koltunski	synchronized public void markForDeletion()
235	af4cc5db	Leszek Koltunski	{
236	f28fffc2	Leszek Koltunski	mDoneList.remove(this);
237	cc2979e3	Leszek Koltunski	mToDoMap.put(mID, new Job(this,JOB_DELETE) );
238	f28fffc2	Leszek Koltunski	mToDo = true;
239	af4cc5db	Leszek Koltunski	}
240	c5369f1b	leszek
241	af4cc5db	Leszek Koltunski	////////////////////////////////////////////////////////////////////////////////////////////////////
242	c5369f1b	leszek	/**
243	8d52a49c	Leszek Koltunski	* Return unique ID of this Surface.
244	c5369f1b	leszek	*/
245	af4cc5db	Leszek Koltunski	public long getID()
246			{
247	c204c69d	leszek	return mID;
248	af4cc5db	Leszek Koltunski	}
249
250			///////////////////////////////////////////////////////////////////////////////////////////////////
251
252	c5369f1b	leszek	/**
253	3a70bd6d	leszek	* Return the width of this Surface.
254	af4cc5db	Leszek Koltunski	*
255	3a70bd6d	leszek	* @return width of the Object, in pixels.
256	c5369f1b	leszek	*/
257	af4cc5db	Leszek Koltunski	public int getWidth()
258			{
259			return mSizeX;
260			}
261
262			///////////////////////////////////////////////////////////////////////////////////////////////////
263	c5369f1b	leszek	/**
264	3a70bd6d	leszek	* Return the height of this Surface.
265	af4cc5db	Leszek Koltunski	*
266	3a70bd6d	leszek	* @return height of the Object, in pixels.
267	c5369f1b	leszek	*/
268	af4cc5db	Leszek Koltunski	public int getHeight()
269			{
270			return mSizeY;
271			}
272
273			///////////////////////////////////////////////////////////////////////////////////////////////////
274	c5369f1b	leszek	/**
275	8d52a49c	Leszek Koltunski	* Return the depth of this Surface.
276	af4cc5db	Leszek Koltunski	* <p>
277			* Admittedly quite a strange method. Why do we need to pass a Mesh to it? Because one cannot determine
278			* 'depth' of a Surface (bitmap really!) when rendered based only on the texture itself, that depends
279			* on the Mesh it is rendered with.
280			*
281			* @return depth of the Object, in pixels.
282	c5369f1b	leszek	*/
283	af4cc5db	Leszek Koltunski	public int getDepth(MeshObject mesh)
284			{
285			return mesh==null ? 0 : (int)(mSizeX*mesh.zFactor);
286			}
287			}

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library / src / main / java / org / distorted / library / DistortedSurface.java @ 05ecc6fe