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

library / src / main / java / org / distorted / library / DistortedSurface.java @ 6e7c8721

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	af4cc5db	Leszek Koltunski	import java.util.LinkedList;
24
25			///////////////////////////////////////////////////////////////////////////////////////////////////
26			/**
27			* Keep all objects created in a static LinkedList. The point: we need to be able to mark
28			* Objects for deletion, and delete all marked Objects later at a convenient time (that's
29			* because we can only delete from a thread that holds the OpenGL context so here we provide a
30			* framework where one is able to mark for deletion at any time and actual deletion takes place
31			* on the next render).
32			*/
33			abstract class DistortedSurface
34			{
35	c7da4e65	leszek	static final int FAILED_TO_CREATE = 1;
36			static final int NOT_CREATED_YET = 2;
37			static final int DONT_CREATE = 3;
38			static final int CREATED = 4;
39	af4cc5db	Leszek Koltunski
40	09ab7524	Leszek Koltunski	static final int TYPE_USER = 0;
41			static final int TYPE_TREE = 1;
42			static final int TYPE_SYST = 2;
43
44	f28fffc2	Leszek Koltunski	private static final int JOB_CREATE = 0;
45			private static final int JOB_DELETE = 1;
46
47			private class Job
48			{
49			DistortedSurface surface;
50			int action;
51
52			Job(DistortedSurface s, int a)
53			{
54			surface = s;
55			action = a;
56			}
57			}
58
59	f8377ef8	leszek	private static boolean mToDo = false;
60			private static LinkedList<DistortedSurface> mDoneList = new LinkedList<>();
61	cc2979e3	Leszek Koltunski	private static HashMap<Long,Job> mToDoMap = new HashMap<>();
62	af27df87	leszek	private static long mNextClientID = 0;
63			private static long mNextSystemID = 0;
64	af4cc5db	Leszek Koltunski
65	c204c69d	leszek	private long mID;
66	09ab7524	Leszek Koltunski	private int mType;
67	c7da4e65	leszek	int mColorCreated;
68	af4cc5db	Leszek Koltunski	int[] mColorH = new int[1];
69	6e7c8721	Leszek Koltunski	int mWidth, mHeight;
70	af4cc5db	Leszek Koltunski
71			///////////////////////////////////////////////////////////////////////////////////////////////////
72
73	f8377ef8	leszek	abstract void create();
74	af4cc5db	Leszek Koltunski	abstract void delete();
75	f8377ef8	leszek	abstract void recreate();
76	af4cc5db	Leszek Koltunski
77			///////////////////////////////////////////////////////////////////////////////////////////////////
78	05ecc6fe	Leszek Koltunski	// must be called from a thread holding OpenGL Context
79	af4cc5db	Leszek Koltunski
80	f8377ef8	leszek	static synchronized void toDo()
81	af4cc5db	Leszek Koltunski	{
82	f8377ef8	leszek	if( mToDo )
83	af4cc5db	Leszek Koltunski	{
84	f28fffc2	Leszek Koltunski	Job job;
85	f8377ef8	leszek	DistortedSurface surface;
86	af4cc5db	Leszek Koltunski
87	cc2979e3	Leszek Koltunski	for(Long key: mToDoMap.keySet())
88	af4cc5db	Leszek Koltunski	{
89	cc2979e3	Leszek Koltunski	job = mToDoMap.get(key);
90	f28fffc2	Leszek Koltunski	surface = job.surface;
91	af4cc5db	Leszek Koltunski
92	eadf0859	leszek	//android.util.Log.d("SURFACE", " ---> need to "+(job.action==JOB_CREATE ? "create":"delete")+" surfaceID="+surface.getID() );
93	f28fffc2	Leszek Koltunski
94			if( job.action==JOB_CREATE )
95	af4cc5db	Leszek Koltunski	{
96	f8377ef8	leszek	surface.create();
97			mDoneList.add(surface);
98	af4cc5db	Leszek Koltunski	}
99	f28fffc2	Leszek Koltunski	else if( job.action==JOB_DELETE )
100			{
101			surface.delete();
102			}
103	af4cc5db	Leszek Koltunski	}
104
105	cc2979e3	Leszek Koltunski	mToDoMap.clear();
106	f8377ef8	leszek	mToDo = false;
107	af4cc5db	Leszek Koltunski	}
108			}
109
110	c5369f1b	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
111
112	05ecc6fe	Leszek Koltunski	static synchronized void onPause()
113	af4cc5db	Leszek Koltunski	{
114	f8377ef8	leszek	DistortedSurface surface;
115	05ecc6fe	Leszek Koltunski	int num = mDoneList.size();
116	f8377ef8	leszek
117	05ecc6fe	Leszek Koltunski	for(int i=0; i<num; i++)
118	af4cc5db	Leszek Koltunski	{
119	05ecc6fe	Leszek Koltunski	surface = mDoneList.removeFirst();
120			mToDoMap.put(surface.getID(), surface.new Job(surface,JOB_CREATE) );
121			surface.recreate();
122	af27df87	leszek	}
123
124	05ecc6fe	Leszek Koltunski	mToDo = true;
125			}
126
127			///////////////////////////////////////////////////////////////////////////////////////////////////
128	f28fffc2	Leszek Koltunski
129	05ecc6fe	Leszek Koltunski	static synchronized void onDestroy()
130			{
131	0c303a2c	Leszek Koltunski	mToDoMap.clear();
132	05ecc6fe	Leszek Koltunski	mDoneList.clear();
133
134	f28fffc2	Leszek Koltunski	mToDo = true;
135	af27df87	leszek	mNextClientID = 0;
136	f8377ef8	leszek	}
137
138	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
139
140	af27df87	leszek	@SuppressWarnings("unused")
141			static void debugLists()
142			{
143			android.util.Log.e("Surface", "Done list:");
144	f28fffc2	Leszek Koltunski
145			DistortedSurface surface;
146			int num = mDoneList.size();
147
148			for(int i=0; i<num; i++)
149			{
150			surface = mDoneList.get(i);
151			surface.print(i, "");
152			}
153
154	af27df87	leszek	android.util.Log.e("Surface", "ToDo list:");
155	f28fffc2	Leszek Koltunski
156			Job job;
157			int i=0;
158
159	cc2979e3	Leszek Koltunski	for(Long key: mToDoMap.keySet())
160	f28fffc2	Leszek Koltunski	{
161	cc2979e3	Leszek Koltunski	job = mToDoMap.get(key);
162	f28fffc2	Leszek Koltunski	job.surface.print(i++, job.action==JOB_CREATE ? " create":" delete");
163			}
164	af27df87	leszek	}
165
166			///////////////////////////////////////////////////////////////////////////////////////////////////
167
168	f28fffc2	Leszek Koltunski	private void print(int i, String extra)
169	af27df87	leszek	{
170			String str;
171
172	f28fffc2	Leszek Koltunski	if( this instanceof DistortedFramebuffer ) str = (i+": Framebuffer ");
173			else if( this instanceof DistortedTexture) str = (i+": Texture ");
174			else if( this instanceof DistortedScreen ) str = (i+": Screen ");
175			else str = (i+": UNKNOWN ");
176	af27df87	leszek
177	f28fffc2	Leszek Koltunski	str += ("("+getWidth()+","+getHeight()+") surfaceID:"+getID());
178	af27df87	leszek
179	f28fffc2	Leszek Koltunski	switch(mType)
180			{
181			case TYPE_SYST: str+=" SYSTEM"; break;
182			case TYPE_USER: str+=" USER" ; break;
183			case TYPE_TREE: str+=" TREE" ; break;
184			default : str+=" ERROR??";
185	af27df87	leszek	}
186	f28fffc2	Leszek Koltunski
187			android.util.Log.e("Surface", str+extra);
188	af27df87	leszek	}
189
190			///////////////////////////////////////////////////////////////////////////////////////////////////
191
192	09ab7524	Leszek Koltunski	DistortedSurface(int width, int height, int create, int type)
193	af4cc5db	Leszek Koltunski	{
194	6e7c8721	Leszek Koltunski	mWidth = width ;
195			mHeight = height;
196	c7da4e65	leszek	mColorCreated = create;
197			mColorH[0] = 0;
198	09ab7524	Leszek Koltunski	mID = type==TYPE_SYST ? --mNextSystemID : ++mNextClientID;
199			mType = type;
200	c7da4e65	leszek
201			if( create!=DONT_CREATE )
202	f8377ef8	leszek	{
203	cc2979e3	Leszek Koltunski	mToDoMap.put(mID, new Job(this,JOB_CREATE) );
204	f8377ef8	leszek	mToDo = true;
205			}
206	af4cc5db	Leszek Koltunski	}
207
208	f28fffc2	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
209
210			synchronized void markForCreation()
211			{
212			mDoneList.remove(this);
213	cc2979e3	Leszek Koltunski	mToDoMap.put(mID, new Job(this,JOB_CREATE) );
214	f28fffc2	Leszek Koltunski	mToDo = true;
215			}
216
217	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
218			// PUBLIC API
219			///////////////////////////////////////////////////////////////////////////////////////////////////
220	c5369f1b	leszek	/**
221	af4cc5db	Leszek Koltunski	* Mark the underlying OpenGL object for deletion. Actual deletion will take place on the next render.
222	c5369f1b	leszek	*/
223	f28fffc2	Leszek Koltunski	synchronized public void markForDeletion()
224	af4cc5db	Leszek Koltunski	{
225	f28fffc2	Leszek Koltunski	mDoneList.remove(this);
226	cc2979e3	Leszek Koltunski	mToDoMap.put(mID, new Job(this,JOB_DELETE) );
227	f28fffc2	Leszek Koltunski	mToDo = true;
228	af4cc5db	Leszek Koltunski	}
229	c5369f1b	leszek
230	af4cc5db	Leszek Koltunski	////////////////////////////////////////////////////////////////////////////////////////////////////
231	c5369f1b	leszek	/**
232	8d52a49c	Leszek Koltunski	* Return unique ID of this Surface.
233	c5369f1b	leszek	*/
234	af4cc5db	Leszek Koltunski	public long getID()
235			{
236	c204c69d	leszek	return mID;
237	af4cc5db	Leszek Koltunski	}
238
239			///////////////////////////////////////////////////////////////////////////////////////////////////
240
241	c5369f1b	leszek	/**
242	3a70bd6d	leszek	* Return the width of this Surface.
243	af4cc5db	Leszek Koltunski	*
244	3a70bd6d	leszek	* @return width of the Object, in pixels.
245	c5369f1b	leszek	*/
246	af4cc5db	Leszek Koltunski	public int getWidth()
247			{
248	6e7c8721	Leszek Koltunski	return mWidth;
249	af4cc5db	Leszek Koltunski	}
250
251			///////////////////////////////////////////////////////////////////////////////////////////////////
252	c5369f1b	leszek	/**
253	3a70bd6d	leszek	* Return the height of this Surface.
254	af4cc5db	Leszek Koltunski	*
255	3a70bd6d	leszek	* @return height of the Object, in pixels.
256	c5369f1b	leszek	*/
257	af4cc5db	Leszek Koltunski	public int getHeight()
258			{
259	6e7c8721	Leszek Koltunski	return mHeight;
260	af4cc5db	Leszek Koltunski	}
261
262			///////////////////////////////////////////////////////////////////////////////////////////////////
263	c5369f1b	leszek	/**
264	8d52a49c	Leszek Koltunski	* Return the depth of this Surface.
265	af4cc5db	Leszek Koltunski	* <p>
266			* Admittedly quite a strange method. Why do we need to pass a Mesh to it? Because one cannot determine
267			* 'depth' of a Surface (bitmap really!) when rendered based only on the texture itself, that depends
268			* on the Mesh it is rendered with.
269			*
270			* @return depth of the Object, in pixels.
271	c5369f1b	leszek	*/
272	af4cc5db	Leszek Koltunski	public int getDepth(MeshObject mesh)
273			{
274	6e7c8721	Leszek Koltunski	return mesh==null ? 0 : (int)(mWidth*mesh.zFactor);
275	af4cc5db	Leszek Koltunski	}
276			}

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library / src / main / java / org / distorted / library / DistortedSurface.java @ 6e7c8721