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

library / src / main / java / org / distorted / library / main / DistortedOutputSurface.java @ 86c352e0

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	fe82a979	Leszek Koltunski	package org.distorted.library.main;
21	c5369f1b	leszek
22	e6519ac8	Leszek Koltunski	import android.opengl.GLES31;
23	af4cc5db	Leszek Koltunski	import android.opengl.Matrix;
24	86e99907	leszek
25	3521c6fe	leszek	import org.distorted.library.effect.EffectQuality;
26
27	a09ada4c	Leszek Koltunski	import java.util.ArrayList;
28	af4cc5db	Leszek Koltunski
29			///////////////////////////////////////////////////////////////////////////////////////////////////
30	70b6a155	Leszek Koltunski	/**
31			* This is not really part of the public API.
32			*
33			* @y.exclude
34			*/
35			public abstract class DistortedOutputSurface extends DistortedSurface implements DistortedMaster.Slave
36	af4cc5db	Leszek Koltunski	{
37	89de975c	leszek	/**
38			* Do not create DEPTH or STENCIL attachment
39			*/
40	23eecbd9	Leszek Koltunski	public static final int NO_DEPTH_NO_STENCIL = 0;
41	89de975c	leszek	/**
42			* Create DEPTH, but not STENCIL
43			*/
44	23eecbd9	Leszek Koltunski	public static final int DEPTH_NO_STENCIL = 1;
45	89de975c	leszek	/**
46			* Create both DEPTH and STENCIL
47			*/
48	23eecbd9	Leszek Koltunski	public static final int BOTH_DEPTH_STENCIL = 2;
49	89de975c	leszek
50	efe3d8fe	leszek	private static final int ATTACH = 0;
51			private static final int DETACH = 1;
52			private static final int DETALL = 2;
53			private static final int SORT = 3;
54
55	a09ada4c	Leszek Koltunski	private ArrayList<DistortedNode> mChildren;
56			private int mNumChildren; // ==mChildren.length(), but we only create mChildren if the first one gets added
57	406e2f6b	Leszek Koltunski	private boolean mRenderWayOIT;
58	a09ada4c	Leszek Koltunski
59	efe3d8fe	leszek	private class Job
60			{
61			int type;
62			DistortedNode node;
63
64	ffbe7ecf	Leszek Koltunski	Job(int t, DistortedNode n)
65	efe3d8fe	leszek	{
66			type = t;
67			node = n;
68			}
69			}
70
71			private ArrayList<Job> mJobs = new ArrayList<>();
72
73	baa3989b	Leszek Koltunski	// Global buffers used for postprocessing.
74	df5f8dd9	Leszek Koltunski	private static DistortedOutputSurface[] mBuffer=null;
75	60c1c622	leszek
76	c2c08950	leszek	private float mFOV;
77			float mDistance, mNear;
78	af4cc5db	Leszek Koltunski	float[] mProjectionMatrix;
79
80	89de975c	leszek	int mDepthStencilCreated;
81			int mDepthStencil;
82	8ebbc730	Leszek Koltunski	int[] mDepthStencilH;
83			int[] mFBOH;
84			private long[] mTime;
85	a436ccc5	leszek
86	a9f41fa3	leszek	private float mClearR, mClearG, mClearB, mClearA;
87			private float mClearDepth;
88	23eecbd9	Leszek Koltunski	private int mClearStencil;
89	ad16ed3b	Leszek Koltunski	private int mClear;
90	78db8663	Leszek Koltunski	float mMipmap;
91
92	61441ce2	Leszek Koltunski	int mRealWidth; // the Surface can be backed up with a texture that is
93			int mRealHeight; // larger than the viewport we have to it.
94			// mWidth,mHeight are the sizes of the Viewport, those -
95			// sizes of the backing up texture.
96	a4b182d4	Leszek Koltunski
97	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
98
99	8ebbc730	Leszek Koltunski	DistortedOutputSurface(int width, int height, int createColor, int numfbos, int numcolors, int depthStencil, int fbo, int type)
100	af4cc5db	Leszek Koltunski	{
101	8ebbc730	Leszek Koltunski	super(width,height,createColor,numfbos,numcolors,type);
102
103	406e2f6b	Leszek Koltunski	mRenderWayOIT = false;
104
105	8ebbc730	Leszek Koltunski	mDepthStencilH = new int[numfbos];
106			mFBOH = new int[numfbos];
107
108			mTime = new long[numfbos];
109			for(int i=0; i<mNumFBOs;i++) mTime[i]=0;
110	af4cc5db	Leszek Koltunski
111	a4b182d4	Leszek Koltunski	mRealWidth = width;
112			mRealHeight= height;
113
114	af4cc5db	Leszek Koltunski	mProjectionMatrix = new float[16];
115
116			mFOV = 60.0f;
117	54fe333a	leszek	mNear= 0.5f;
118	af4cc5db	Leszek Koltunski
119	23eecbd9	Leszek Koltunski	mDepthStencilCreated= (depthStencil== NO_DEPTH_NO_STENCIL ? DONT_CREATE:NOT_CREATED_YET);
120	89de975c	leszek	mDepthStencil = depthStencil;
121
122			mFBOH[0] = fbo;
123			mDepthStencilH[0]= 0;
124	a436ccc5	leszek
125	a9f41fa3	leszek	mClearR = 0.0f;
126			mClearG = 0.0f;
127			mClearB = 0.0f;
128			mClearA = 0.0f;
129
130			mClearDepth = 1.0f;
131	23eecbd9	Leszek Koltunski	mClearStencil = 0;
132	e6519ac8	Leszek Koltunski	mClear = GLES31.GL_DEPTH_BUFFER_BIT \| GLES31.GL_COLOR_BUFFER_BIT;
133	a9f41fa3	leszek
134	8426bd6a	Leszek Koltunski	mMipmap = 1.0f;
135	78db8663	Leszek Koltunski
136	af4cc5db	Leszek Koltunski	createProjection();
137			}
138
139	c5369f1b	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
140
141	be60d4ff	leszek	private void createProjection()
142	af4cc5db	Leszek Koltunski	{
143			if( mWidth>0 && mHeight>1 )
144			{
145			if( mFOV>0.0f ) // perspective projection
146			{
147	54fe333a	leszek	float a = 2.0f(float)Math.tan(mFOVMath.PI/360);
148	8426bd6a	Leszek Koltunski	float q = mWidth*mNear;
149			float c = mHeight*mNear;
150	54fe333a	leszek
151	c2c08950	leszek	float left = -q/2;
152			float right = +q/2;
153			float bottom = -c/2;
154			float top = +c/2;
155			float near = c/a;
156	54fe333a	leszek
157	8426bd6a	Leszek Koltunski	mDistance = mHeight/a;
158	af4cc5db	Leszek Koltunski	float far = 2*mDistance-near;
159
160			Matrix.frustumM(mProjectionMatrix, 0, left, right, bottom, top, near, far);
161			}
162			else // parallel projection
163			{
164	8426bd6a	Leszek Koltunski	float left = -mWidth/2.0f;
165			float right = +mWidth/2.0f;
166			float bottom = -mHeight/2.0f;
167			float top = +mHeight/2.0f;
168			float near = mWidth+mHeight-mHeight*(1.0f-mNear);
169			mDistance = mWidth+mHeight;
170			float far = mWidth+mHeight+mHeight*(1.0f-mNear);
171	af4cc5db	Leszek Koltunski
172			Matrix.orthoM(mProjectionMatrix, 0, left, right, bottom, top, near, far);
173			}
174			}
175			}
176
177	1d6d261e	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
178
179	56c6ca24	Leszek Koltunski	private static void createPostprocessingBuffers(int width, int height, float near)
180	1d6d261e	Leszek Koltunski	{
181	df5f8dd9	Leszek Koltunski	mBuffer = new DistortedOutputSurface[EffectQuality.LENGTH];
182	1d6d261e	Leszek Koltunski	float mipmap=1.0f;
183
184	baa3989b	Leszek Koltunski	for (int j=0; j<EffectQuality.LENGTH; j++)
185	1d6d261e	Leszek Koltunski	{
186	586b5fa1	Leszek Koltunski	mBuffer[j] = new DistortedFramebuffer(Distorted.FBO_QUEUE_SIZE,2,BOTH_DEPTH_STENCIL,TYPE_SYST, (int)(widthmipmap), (int)(heightmipmap) );
187	baa3989b	Leszek Koltunski	mBuffer[j].mMipmap = mipmap;
188			mBuffer[j].mNear = near; // copy mNear as well (for blitting- see PostprocessEffect.apply() )
189			mBuffer[j].glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
190	a4b182d4	Leszek Koltunski
191	1d6d261e	Leszek Koltunski	mipmap *= EffectQuality.MULTIPLIER;
192			}
193
194			DistortedObject.toDo(); // create the FBOs immediately. This is safe as we must be holding the OpenGL context now.
195
196	e6519ac8	Leszek Koltunski	GLES31.glStencilMask(0xff);
197			GLES31.glDepthMask(true);
198	56c6ca24	Leszek Koltunski	GLES31.glColorMask(true, true, true, true);
199			GLES31.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
200	e6519ac8	Leszek Koltunski	GLES31.glClearDepthf(1.0f);
201			GLES31.glClearStencil(0);
202	1d6d261e	Leszek Koltunski
203	baa3989b	Leszek Koltunski	for (int j=0; j<EffectQuality.LENGTH; j++)
204	1d6d261e	Leszek Koltunski	{
205	586b5fa1	Leszek Koltunski	for(int k=0; k<Distorted.FBO_QUEUE_SIZE; k++)
206			{
207			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mBuffer[j].mFBOH[k]);
208			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, mBuffer[j].mColorH[2*k+1], 0);
209			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT \| GLES31.GL_DEPTH_BUFFER_BIT \| GLES31.GL_STENCIL_BUFFER_BIT);
210			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, mBuffer[j].mColorH[2*k ], 0);
211			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT);
212			}
213	1d6d261e	Leszek Koltunski	}
214	586b5fa1	Leszek Koltunski
215			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, 0);
216	1d6d261e	Leszek Koltunski	}
217
218	a4b182d4	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
219
220	ce154014	Leszek Koltunski	static synchronized void onDestroy()
221	a4b182d4	Leszek Koltunski	{
222	df5f8dd9	Leszek Koltunski	if( mBuffer!=null )
223	ce154014	Leszek Koltunski	{
224	df5f8dd9	Leszek Koltunski	for (int j = 0; j < EffectQuality.LENGTH; j++)
225			{
226			mBuffer[j] = null;
227			}
228
229			mBuffer = null;
230	ce154014	Leszek Koltunski	}
231			}
232	a4b182d4	Leszek Koltunski
233	ce154014	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
234	ae2802b1	Leszek Koltunski	// The postprocessing buffers mBuffer[] are generally speaking too large (there's just one static
235	2aef1f4d	Leszek Koltunski	// set of them) so before we use them for output, we need to adjust the Viewport as if they were
236	ae2802b1	Leszek Koltunski	// smaller. That takes care of outputting pixels to them. When we use them as input, we have to
237			// adjust the texture coords - see the get{Width\|Height}Correction functions.
238	a4b182d4	Leszek Koltunski
239	56c6ca24	Leszek Koltunski	private static void clonePostprocessingViewport(DistortedOutputSurface from)
240	ce154014	Leszek Koltunski	{
241	baa3989b	Leszek Koltunski	if( mBuffer[0].mWidth != from.mWidth \|\| mBuffer[0].mHeight != from.mHeight )
242	a4b182d4	Leszek Koltunski	{
243	ce154014	Leszek Koltunski	DistortedOutputSurface surface;
244
245			for(int i=0; i<EffectQuality.LENGTH; i++)
246			{
247	baa3989b	Leszek Koltunski	surface = mBuffer[i];
248	ce154014	Leszek Koltunski
249	baa3989b	Leszek Koltunski	surface.mWidth = (int)(from.mWidth *surface.mMipmap);
250			surface.mHeight = (int)(from.mHeight*surface.mMipmap);
251	ce154014	Leszek Koltunski
252	baa3989b	Leszek Koltunski	surface.mNear = from.mNear; // Near plane is independent of the mipmap level
253	ce154014	Leszek Koltunski
254	baa3989b	Leszek Koltunski	//android.util.Log.e("surface", "viewport "+i+" to ("+from.mWidth+"x"+from.mHeight+")");
255	b0f04e72	Leszek Koltunski
256	baa3989b	Leszek Koltunski	surface.createProjection();
257	ce154014	Leszek Koltunski
258	baa3989b	Leszek Koltunski	int maxw = surface.mWidth > surface.mRealWidth ? surface.mWidth : surface.mRealWidth;
259			int maxh = surface.mHeight > surface.mRealHeight ? surface.mHeight : surface.mRealHeight;
260	a4b182d4	Leszek Koltunski
261	baa3989b	Leszek Koltunski	if (maxw > surface.mRealWidth \|\| maxh > surface.mRealHeight)
262			{
263			surface.mRealWidth = maxw;
264			surface.mRealHeight = maxh;
265	ce154014	Leszek Koltunski
266	baa3989b	Leszek Koltunski	surface.recreate();
267			surface.create();
268	ce154014	Leszek Koltunski	}
269			}
270	a4b182d4	Leszek Koltunski	}
271			}
272
273	97020807	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
274
275			private int blitWithDepth(long currTime, DistortedOutputSurface buffer,int fbo)
276			{
277			GLES31.glViewport(0, 0, mWidth, mHeight);
278			setAsOutputFBO(currTime,fbo);
279			GLES31.glActiveTexture(GLES31.GL_TEXTURE0);
280			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, buffer.mColorH[2*fbo]);
281			GLES31.glActiveTexture(GLES31.GL_TEXTURE1);
282			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, buffer.mDepthStencilH[fbo]);
283
284			GLES31.glDisable(GLES31.GL_STENCIL_TEST);
285			GLES31.glStencilMask(0x00);
286
287			DistortedEffects.blitDepthPriv(this, buffer.getWidthCorrection(), buffer.getHeightCorrection() );
288			GLES31.glActiveTexture(GLES31.GL_TEXTURE0);
289			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, 0);
290			GLES31.glActiveTexture(GLES31.GL_TEXTURE1);
291			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, 0);
292
293			// clear buffers
294			GLES31.glStencilMask(0xff);
295			GLES31.glDepthMask(true);
296			GLES31.glColorMask(true,true,true,true);
297			GLES31.glClearColor(0.0f,0.0f,0.0f,0.0f);
298			GLES31.glClearDepthf(1.0f);
299			GLES31.glClearStencil(0);
300
301			buffer.setAsOutputFBO(fbo);
302			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, buffer.mColorH[2*fbo+1], 0);
303			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT\|GLES31.GL_DEPTH_BUFFER_BIT\|GLES31.GL_STENCIL_BUFFER_BIT);
304			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, buffer.mColorH[2*fbo ], 0);
305			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT);
306
307			return 1;
308			}
309
310	66a0fa17	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
311
312			private static void oitClear(DistortedOutputSurface buffer)
313			{
314			DistortedEffects.zeroOutAtomic();
315			DistortedEffects.oitClear(buffer);
316			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT\|GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
317			}
318
319	6b962e80	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
320
321	8ebbc730	Leszek Koltunski	private int oitBuild(long time, DistortedOutputSurface buffer, int fbo)
322	6b962e80	Leszek Koltunski	{
323	e6519ac8	Leszek Koltunski	GLES31.glViewport(0, 0, mWidth, mHeight);
324	586b5fa1	Leszek Koltunski	setAsOutputFBO(time,fbo);
325	e6519ac8	Leszek Koltunski	GLES31.glActiveTexture(GLES31.GL_TEXTURE0);
326	586b5fa1	Leszek Koltunski	GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, buffer.mColorH[2*fbo]);
327	e6519ac8	Leszek Koltunski	GLES31.glActiveTexture(GLES31.GL_TEXTURE1);
328	586b5fa1	Leszek Koltunski	GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, buffer.mDepthStencilH[fbo]);
329	6b962e80	Leszek Koltunski
330	56c6ca24	Leszek Koltunski	DistortedRenderState.colorDepthStencilOn();
331			DistortedRenderState.enableDepthTest();
332	6b962e80	Leszek Koltunski
333	56c6ca24	Leszek Koltunski	DistortedEffects.oitBuild(this, buffer.getWidthCorrection(), buffer.getHeightCorrection() );
334	e6519ac8	Leszek Koltunski	GLES31.glActiveTexture(GLES31.GL_TEXTURE0);
335			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, 0);
336			GLES31.glActiveTexture(GLES31.GL_TEXTURE1);
337			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, 0);
338	6b962e80	Leszek Koltunski
339	56c6ca24	Leszek Koltunski	DistortedRenderState.colorDepthStencilRestore();
340			DistortedRenderState.restoreDepthTest();
341
342	8777ce17	Leszek Koltunski	return 1;
343			}
344
345			///////////////////////////////////////////////////////////////////////////////////////////////////
346	baa3989b	Leszek Koltunski	// two phases: 1. collapse the SSBO 2. blend the ssbo's color
347	8777ce17	Leszek Koltunski
348	1f19fba8	Leszek Koltunski	private int oitRender(long currTime, int fbo)
349	8777ce17	Leszek Koltunski	{
350	c207da02	Leszek Koltunski	float corrW = getWidthCorrection();
351			float corrH = getHeightCorrection();
352	c8d70463	Leszek Koltunski
353	5fdae11d	Leszek Koltunski	// Do the Collapse Pass only if we do have a Depth attachment.
354			// Otherwise there's no point (in fact we then would create a feedback loop!)
355	88c7b603	Leszek Koltunski
356	1f19fba8	Leszek Koltunski	if( mDepthStencilH[fbo] != 0 )
357	5fdae11d	Leszek Koltunski	{
358			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, 0);
359			GLES31.glActiveTexture(GLES31.GL_TEXTURE1);
360	1f19fba8	Leszek Koltunski	GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, mDepthStencilH[fbo]);
361	5fdae11d	Leszek Koltunski	DistortedRenderState.switchOffColorDepthStencil();
362			DistortedEffects.oitCollapse(this, corrW, corrH);
363			GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, 0);
364			}
365	8777ce17	Leszek Koltunski
366	1f19fba8	Leszek Koltunski	setAsOutputFBO(currTime,fbo);
367	33f59f22	Leszek Koltunski	DistortedRenderState.switchColorDepthOnStencilOff();
368			DistortedEffects.oitRender(this, corrW, corrH);
369			DistortedRenderState.restoreColorDepthStencil();
370
371	8777ce17	Leszek Koltunski	return 1;
372			}
373
374	88c7b603	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
375
376			void clear()
377			{
378			DistortedRenderState.colorDepthStencilOn();
379			GLES31.glClearColor(mClearR, mClearG, mClearB, mClearA);
380			GLES31.glClearDepthf(mClearDepth);
381			GLES31.glClearStencil(mClearStencil);
382			GLES31.glClear(mClear);
383			DistortedRenderState.colorDepthStencilRestore();
384			}
385
386	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
387	e02264ff	leszek	// Render all children, one by one. If there are no postprocessing effects, just render to THIS.
388			// Otherwise, render to a buffer and on each change of Postprocessing Bucket, apply the postprocessing
389	56c6ca24	Leszek Koltunski	// to a whole buffer (lastQueue.postprocess) and merge it (this.oitBuild).
390	39086ebb	leszek
391	86c352e0	Leszek Koltunski	/*
392			int renderChildren1(long time, int numChildren, ArrayList<DistortedNode> children, int fbo, boolean oit)
393			{
394			oitClear(this);
395			setAsOutputFBO(time,fbo);
396			mChildren.get(0).drawOIT(time, this);
397			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT \| GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
398			oitRender(time, fbo);
399
400			return 0;
401			}
402			*/
403
404	406e2f6b	Leszek Koltunski	int renderChildren(long time, int numChildren, ArrayList<DistortedNode> children, int fbo, boolean oit)
405	b2939df4	Leszek Koltunski	{
406	7266d8ef	Leszek Koltunski	int quality=0, internalQuality = 0, numRenders = 0, bucketChange = 0;
407	3f44e745	Leszek Koltunski	DistortedNode child1, child2;
408	70b6a155	Leszek Koltunski	EffectQueuePostprocess lastQueue=null, currQueue;
409	33f59f22	Leszek Koltunski	long lastBucket=0, currBucket;
410	56c6ca24	Leszek Koltunski
411	c1a38ba3	Leszek Koltunski	if( oit && numChildren>0 )
412			{
413			oitClear(this);
414			}
415
416	8e28b6ff	leszek	for(int i=0; i<numChildren; i++)
417	39086ebb	leszek	{
418	3f44e745	Leszek Koltunski	child1 = children.get(i);
419	70b6a155	Leszek Koltunski	currQueue = child1.getPostprocessQueue();
420			currBucket= currQueue.getID();
421	b9798977	leszek
422	56c6ca24	Leszek Koltunski	if( currBucket==0 )
423			{
424	586b5fa1	Leszek Koltunski	setAsOutputFBO(time,fbo);
425	c1a38ba3	Leszek Koltunski
426			if( oit )
427			{
428			numRenders += child1.drawOIT(time, this);
429			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT \| GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
430			}
431			else
432			{
433			numRenders += child1.draw(time, this);
434			}
435	56c6ca24	Leszek Koltunski	}
436	60c1c622	leszek	else
437			{
438	df5f8dd9	Leszek Koltunski	if( mBuffer==null ) createPostprocessingBuffers(mWidth,mHeight,mNear);
439	c9a24bfb	Leszek Koltunski
440	915b7b2b	leszek	if( lastBucket!=currBucket )
441	c9a24bfb	Leszek Koltunski	{
442	375b3950	Leszek Koltunski	if( lastBucket==0 )
443			{
444	56c6ca24	Leszek Koltunski	clonePostprocessingViewport(this);
445	375b3950	Leszek Koltunski	}
446			else
447	c9a24bfb	Leszek Koltunski	{
448			for(int j=bucketChange; j<i; j++)
449			{
450	3f44e745	Leszek Koltunski	child2 = children.get(j);
451	586b5fa1	Leszek Koltunski	mBuffer[internalQuality].setAsOutputFBO(fbo);
452	baa3989b	Leszek Koltunski	numRenders += child2.markStencilAndDepth(time,mBuffer[internalQuality],lastQueue);
453	c9a24bfb	Leszek Koltunski	}
454
455	586b5fa1	Leszek Koltunski	numRenders += lastQueue.postprocess(mBuffer,fbo);
456	406e2f6b	Leszek Koltunski
457			if( oit )
458			{
459			numRenders += oitBuild(time, mBuffer[quality], fbo);
460			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT \| GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
461			}
462			else
463			{
464			numRenders += blitWithDepth(time, mBuffer[quality],fbo);
465			}
466	61ce8e90	Leszek Koltunski	mBuffer[quality].clearBuffer(fbo);
467	c9a24bfb	Leszek Koltunski	}
468	660cd468	leszek
469	70b6a155	Leszek Koltunski	internalQuality = currQueue.getInternalQuality();
470			quality = currQueue.getQuality();
471			bucketChange = i;
472	c9a24bfb	Leszek Koltunski	}
473
474	586b5fa1	Leszek Koltunski	mBuffer[quality].setAsOutputFBO(time,fbo);
475	baa3989b	Leszek Koltunski	child1.drawNoBlend(time,mBuffer[quality]);
476	c9a24bfb	Leszek Koltunski
477	8e28b6ff	leszek	if( i==numChildren-1 )
478	cf7394cc	leszek	{
479	8e28b6ff	leszek	for(int j=bucketChange; j<numChildren; j++)
480	c9a24bfb	Leszek Koltunski	{
481	3f44e745	Leszek Koltunski	child2 = children.get(j);
482	586b5fa1	Leszek Koltunski	mBuffer[internalQuality].setAsOutputFBO(fbo);
483	baa3989b	Leszek Koltunski	numRenders += child2.markStencilAndDepth(time,mBuffer[internalQuality],currQueue);
484	c9a24bfb	Leszek Koltunski	}
485
486	586b5fa1	Leszek Koltunski	numRenders += currQueue.postprocess(mBuffer,fbo);
487	406e2f6b	Leszek Koltunski
488			if( oit )
489			{
490			numRenders += oitBuild(time, mBuffer[quality], fbo);
491			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT \| GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
492			mBuffer[quality].clearBuffer(fbo);
493			}
494			else
495			{
496			numRenders += blitWithDepth(time, mBuffer[quality],fbo);
497			}
498	cf7394cc	leszek	}
499	56c6ca24	Leszek Koltunski	} // end else (postprocessed child)
500	b9798977	leszek
501	70b6a155	Leszek Koltunski	lastQueue = currQueue;
502			lastBucket= currBucket;
503	56c6ca24	Leszek Koltunski	} // end main for loop
504
505	c1a38ba3	Leszek Koltunski	if( oit && numChildren>0 )
506			{
507			numRenders += oitRender(time, fbo); // merge the OIT linked list
508			}
509
510	39086ebb	leszek	return numRenders;
511			}
512
513	be60d4ff	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
514
515	26a4e5f6	leszek	ArrayList<DistortedNode> getChildren()
516	be60d4ff	leszek	{
517	26a4e5f6	leszek	return mChildren;
518	be60d4ff	leszek	}
519
520	ae2802b1	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
521			/**
522			* Not part of the Public API.
523			*
524			* @y.exclude
525			*/
526			public float getWidthCorrection()
527			{
528			return (float)mWidth/mRealWidth;
529			}
530
531			///////////////////////////////////////////////////////////////////////////////////////////////////
532			/**
533			* Not part of the Public API.
534			*
535			* @y.exclude
536			*/
537			public float getHeightCorrection()
538			{
539			return (float)mHeight/mRealHeight;
540			}
541
542	61ce8e90	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
543
544			private void clearBuffer(int fbo)
545			{
546	a07e0204	Leszek Koltunski	DistortedRenderState.colorDepthStencilOn();
547
548			GLES31.glClearColor(mClearR, mClearG, mClearB, mClearA);
549			GLES31.glClearDepthf(mClearDepth);
550			GLES31.glClearStencil(mClearStencil);
551	61ce8e90	Leszek Koltunski
552			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[fbo]);
553			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, mColorH[2*fbo+1], 0);
554			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT\|GLES31.GL_DEPTH_BUFFER_BIT\|GLES31.GL_STENCIL_BUFFER_BIT);
555			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, mColorH[2*fbo ], 0);
556			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT);
557	a07e0204	Leszek Koltunski
558			DistortedRenderState.colorDepthStencilRestore();
559	61ce8e90	Leszek Koltunski	}
560
561	8ebbc730	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
562
563	b3d1b670	Leszek Koltunski	private void setAsOutputFBO(long time, int fbo)
564	8ebbc730	Leszek Koltunski	{
565			if( fbo>=0 && fbo<mNumFBOs )
566			{
567			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[fbo]);
568
569			if (mTime[fbo] != time)
570			{
571			mTime[fbo] = time;
572			clear();
573			}
574			}
575			else
576			{
577	586b5fa1	Leszek Koltunski	android.util.Log.e("surface", "error in setAsOutput1, fbo="+fbo);
578			}
579			}
580
581			///////////////////////////////////////////////////////////////////////////////////////////////////
582			/**
583			* Not part of the Public API.
584			*
585			* @y.exclude
586			*/
587			public void setAsOutputFBO(int fbo)
588			{
589			if( fbo>=0 && fbo<mNumFBOs )
590			{
591			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[fbo]);
592			}
593			else
594			{
595			android.util.Log.e("surface", "error in setAsOutput2, fbo="+fbo);
596	8ebbc730	Leszek Koltunski	}
597			}
598
599	b2939df4	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
600			// PUBLIC API
601	39086ebb	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
602	c5369f1b	leszek	/**
603	8ebbc730	Leszek Koltunski	* Draws all the attached children to this OutputSurface's 0th FBO.
604	af4cc5db	Leszek Koltunski	* <p>
605			* Must be called from a thread holding OpenGL Context.
606			*
607	d9706fd2	Leszek Koltunski	* @param time Current time, in milliseconds. This will be passed to all the Effects stored in the children Nodes.
608	7691a39f	leszek	* @return Number of objects rendered.
609	c5369f1b	leszek	*/
610	b2939df4	Leszek Koltunski	public int render(long time)
611	8ebbc730	Leszek Koltunski	{
612			return render(time,0);
613			}
614
615			///////////////////////////////////////////////////////////////////////////////////////////////////
616			/**
617			* Draws all the attached children to this OutputSurface.
618			* <p>
619			* Must be called from a thread holding OpenGL Context.
620			*
621			* @param time Current time, in milliseconds. This will be passed to all the Effects stored in the children Nodes.
622			* @param fbo The surface can have many FBOs backing it up - render this to FBO number 'fbo'.
623			* @return Number of objects rendered.
624			*/
625			public int render(long time, int fbo)
626	af4cc5db	Leszek Koltunski	{
627	c204c69d	leszek	// change tree topology (attach and detach children)
628	889cce10	Leszek Koltunski	/*
629	42571056	Leszek Koltunski	boolean changed1 =
630	889cce10	Leszek Koltunski	*/
631	efe3d8fe	leszek	DistortedMaster.toDo();
632	eadf0859	leszek	/*
633	42571056	Leszek Koltunski	if( changed1 )
634	c204c69d	leszek	{
635			for(int i=0; i<mNumChildren; i++)
636			{
637	af27df87	leszek	mChildren.get(i).debug(0);
638	c204c69d	leszek	}
639	af27df87	leszek
640	7691a39f	leszek	DistortedNode.debugMap();
641	c204c69d	leszek	}
642	eadf0859	leszek	*/
643	09ab7524	Leszek Koltunski	// create and delete all underlying OpenGL resources
644			// Watch out: FIRST change topology, only then deal
645			// with OpenGL resources. That's because changing Tree
646			// can result in additional Framebuffers that would need
647			// to be created immediately, before the calls to drawRecursive()
648	42571056	Leszek Koltunski	/*
649			boolean changed2 =
650			*/
651	f8377ef8	leszek	toDo();
652	eadf0859	leszek	/*
653	42571056	Leszek Koltunski	if( changed2 )
654	af27df87	leszek	{
655	226144d0	leszek	DistortedObject.debugLists();
656	42571056	Leszek Koltunski	}
657	eadf0859	leszek	*/
658	c834348d	leszek	// mark OpenGL state as unknown
659			DistortedRenderState.reset();
660	2ed1c692	leszek
661	b2939df4	Leszek Koltunski	int numRenders=0;
662	7691a39f	leszek
663	d9706fd2	Leszek Koltunski	for(int i=0; i<mNumChildren; i++)
664	af4cc5db	Leszek Koltunski	{
665	b2939df4	Leszek Koltunski	numRenders += mChildren.get(i).renderRecursive(time);
666	af4cc5db	Leszek Koltunski	}
667	7691a39f	leszek
668	406e2f6b	Leszek Koltunski	numRenders += renderChildren(time,mNumChildren,mChildren,fbo, mRenderWayOIT);
669	b2939df4	Leszek Koltunski
670	7691a39f	leszek	return numRenders;
671	af4cc5db	Leszek Koltunski	}
672
673			///////////////////////////////////////////////////////////////////////////////////////////////////
674	c5369f1b	leszek	/**
675			* Bind this Surface as a Framebuffer we can render to.
676	02ab6f9d	leszek	*
677			* @param time Present time, in milliseconds. The point: looking at this param the library can figure
678			* out if this is the first time during present frame that this FBO is being set as output.
679			* If so, the library, in addition to binding the Surface for output, also clears the
680			* Surface's color and depth attachments.
681	c5369f1b	leszek	*/
682	95c441a2	leszek	public void setAsOutput(long time)
683	a436ccc5	leszek	{
684	e6519ac8	Leszek Koltunski	GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[0]);
685	95c441a2	leszek
686	8ebbc730	Leszek Koltunski	if( mTime[0]!=time )
687	95c441a2	leszek	{
688	8ebbc730	Leszek Koltunski	mTime[0] = time;
689	88c7b603	Leszek Koltunski	clear();
690	95c441a2	leszek	}
691	a436ccc5	leszek	}
692	af4cc5db	Leszek Koltunski
693	1dfc9074	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
694			/**
695			* Bind this Surface as a Framebuffer we can render to.
696			* <p>
697			* This version does not attempt to clear anything.
698			*/
699			public void setAsOutput()
700			{
701	e6519ac8	Leszek Koltunski	GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[0]);
702	1dfc9074	leszek	}
703
704			///////////////////////////////////////////////////////////////////////////////////////////////////
705			/**
706			* Return the Near plane of the Projection included in the Surface.
707			*
708			* @return the Near plane.
709			*/
710			public float getNear()
711			{
712			return mNear;
713			}
714
715	638b5b5c	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
716			/**
717			* Set mipmap level.
718			* <p>
719			* Trick for speeding up your renders - one can create a pyramid of OutputSurface objects, each next
720			* one some constant FACTOR smaller than the previous (0.5 is the common value), then set the Mipmap
721			* Level of the i-th object to be FACTOR^i (we start counting from 0). When rendering any scene into
722			* such prepared OutputSurface, the library will make sure to scale any Effects used so that the end
723			* scene will end up looking identical no matter which object we render to. Identical, that is, except
724			* for the loss of quality and gain in speed associated with rendering to a smaller Surface.
725	8426bd6a	Leszek Koltunski	* <p>
726			* Example: if you create two FBOs, one 1000x1000 and another 500x500 in size, and set the second one
727			* mipmap to 0.5 (the first one's is 1.0 by default), define Effects to be a single move by (100,100),
728			* and render a skinned Mesh into both FBO, the end result will look proportionally the same, because
729			* in the second case the move vector (100,100) will be auto-scaled to (50,50).
730	638b5b5c	leszek	*
731			* @param mipmap The mipmap level. Acceptable range: 0<mipmap<infinity, although mipmap>1
732			* does not make any sense (that would result in loss of speed and no gain in quality)
733			*/
734			public void setMipmap(float mipmap)
735			{
736			mMipmap = mipmap;
737			}
738
739	a9f41fa3	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
740			/**
741	e6519ac8	Leszek Koltunski	* Set the (R,G,B,A) values of GLES31.glClearColor() to set up color with which to clear
742	ad16ed3b	Leszek Koltunski	* this Surface at the beginning of each frame.
743	a9f41fa3	leszek	*
744			* @param r the Red component. Default: 0.0f
745			* @param g the Green component. Default: 0.0f
746			* @param b the Blue component. Default: 0.0f
747			* @param a the Alpha component. Default: 0.0f
748			*/
749			public void glClearColor(float r, float g, float b, float a)
750			{
751			mClearR = r;
752			mClearG = g;
753			mClearB = b;
754			mClearA = a;
755			}
756
757			///////////////////////////////////////////////////////////////////////////////////////////////////
758			/**
759	23eecbd9	Leszek Koltunski	* Uses glClearDepthf() to set up a value with which to clear
760			* the Depth buffer of our Surface at the beginning of each frame.
761	a9f41fa3	leszek	*
762			* @param d the Depth. Default: 1.0f
763			*/
764			public void glClearDepthf(float d)
765			{
766			mClearDepth = d;
767			}
768
769	23eecbd9	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
770			/**
771			* Uses glClearStencil() to set up a value with which to clear the
772			* Stencil buffer of our Surface at the beginning of each frame.
773			*
774			* @param s the Stencil. Default: 0
775			*/
776			public void glClearStencil(int s)
777			{
778			mClearStencil = s;
779			}
780
781	ad16ed3b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
782			/**
783			* Which buffers to Clear at the beginning of each frame?
784			* <p>
785			* Valid values: 0, or bitwise OR of one or more values from the set GL_COLOR_BUFFER_BIT,
786			* GL_DEPTH_BUFFER_BIT, GL_STENCIL_BUFFER_BIT.
787			* Default: GL_DEPTH_BUFFER_BIT \| GL_COLOR_BUFFER_BIT.
788			*
789			* @param mask bitwise OR of BUFFER_BITs to clear.
790			*/
791			public void glClear(int mask)
792			{
793			mClear = mask;
794			}
795
796	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
797			/**
798			* Create new Projection matrix.
799			*
800			* @param fov Vertical 'field of view' of the Projection frustrum (in degrees).
801	54fe333a	leszek	* Valid values: 0<=fov<180. FOV==0 means 'parallel projection'.
802			* @param near Distance between the screen plane and the near plane.
803	61441ce2	Leszek Koltunski	* Valid vaules: 0<near<1. When near==0 (illegal!), the Near Plane is exactly at the tip of
804			* the pyramid. When near==1 (illegal!) the near plane is equivalent to the screen plane.
805	af4cc5db	Leszek Koltunski	*/
806	54fe333a	leszek	public void setProjection(float fov, float near)
807	af4cc5db	Leszek Koltunski	{
808	8069e806	Leszek Koltunski	if( fov < 180.0f && fov >=0.0f )
809			{
810			mFOV = fov;
811			}
812
813			if( near< 1.0f && near> 0.0f )
814			{
815			mNear= near;
816			}
817			else if( near<=0.0f )
818			{
819			mNear = 0.01f;
820			}
821			else if( near>=1.0f )
822			{
823			mNear=0.99f;
824			}
825	af4cc5db	Leszek Koltunski
826	61ce8e90	Leszek Koltunski	if( mBuffer!=null )
827			{
828			for(int j=0; j<EffectQuality.LENGTH; j++) mBuffer[j].mNear = mNear;
829			}
830
831	af4cc5db	Leszek Koltunski	createProjection();
832			}
833
834			///////////////////////////////////////////////////////////////////////////////////////////////////
835	c5369f1b	leszek	/**
836	af4cc5db	Leszek Koltunski	* Resize the underlying Framebuffer.
837	c7da4e65	leszek	* <p>
838			* This method can be safely called mid-render as it doesn't interfere with rendering.
839	af4cc5db	Leszek Koltunski	*
840			* @param width The new width.
841			* @param height The new height.
842	c5369f1b	leszek	*/
843	af4cc5db	Leszek Koltunski	public void resize(int width, int height)
844			{
845			if( mWidth!=width \|\| mHeight!=height )
846			{
847	a4b182d4	Leszek Koltunski	mWidth = mRealWidth = width;
848			mHeight= mRealHeight= height;
849	f8377ef8	leszek
850			createProjection();
851
852	c7da4e65	leszek	if( mColorCreated==CREATED )
853	f8377ef8	leszek	{
854	f28fffc2	Leszek Koltunski	markForCreation();
855	f8377ef8	leszek	recreate();
856			}
857	af4cc5db	Leszek Koltunski	}
858			}
859	a09ada4c	Leszek Koltunski
860	a436ccc5	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
861			/**
862	89de975c	leszek	* Return true if the Surface contains a DEPTH attachment.
863	a436ccc5	leszek	*
864	89de975c	leszek	* @return <bold>true</bold> if the Surface contains a DEPTH attachment.
865	a436ccc5	leszek	*/
866	89de975c	leszek	public boolean hasDepth()
867	a436ccc5	leszek	{
868	89de975c	leszek	return mDepthStencilCreated==CREATED;
869	a436ccc5	leszek	}
870
871			///////////////////////////////////////////////////////////////////////////////////////////////////
872			/**
873	89de975c	leszek	* Return true if the Surface contains a STENCIL attachment.
874	a436ccc5	leszek	*
875	89de975c	leszek	* @return <bold>true</bold> if the Surface contains a STENCIL attachment.
876	a436ccc5	leszek	*/
877	89de975c	leszek	public boolean hasStencil()
878	a436ccc5	leszek	{
879	89de975c	leszek	return (mDepthStencilCreated==CREATED && mDepthStencil==BOTH_DEPTH_STENCIL);
880	a436ccc5	leszek	}
881
882	406e2f6b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
883			/**
884			* When rendering this Node, should we use the Order Independent Transparency render more?
885			* <p>
886			* There are two modes of rendering: the fast 'normal' way, which however renders transparent
887			* fragments in different ways depending on which fragments get rendered first, or the slower
888			* 'oit' way, which renders transparent fragments correctly regardless of their order.
889			*
890			* @param oit True if we want to render more slowly, but in a way which accounts for transparency.
891			*/
892			public void setOrderIndependentTransparency(boolean oit)
893			{
894			mRenderWayOIT = oit;
895			}
896
897	a09ada4c	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
898			/**
899			* Adds a new child to the last position in the list of our Surface's children.
900	c204c69d	leszek	* <p>
901			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
902	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
903	a09ada4c	Leszek Koltunski	*
904			* @param node The new Node to add.
905			*/
906	c204c69d	leszek	public void attach(DistortedNode node)
907	a09ada4c	Leszek Koltunski	{
908	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(ATTACH,node));
909	efe3d8fe	leszek	DistortedMaster.newSlave(this);
910	a09ada4c	Leszek Koltunski	}
911
912			///////////////////////////////////////////////////////////////////////////////////////////////////
913			/**
914			* Adds a new child to the last position in the list of our Surface's children.
915	c204c69d	leszek	* <p>
916			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
917	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
918	a09ada4c	Leszek Koltunski	*
919			* @param surface InputSurface to initialize our child Node with.
920			* @param effects DistortedEffects to initialize our child Node with.
921			* @param mesh MeshObject to initialize our child Node with.
922			* @return the newly constructed child Node, or null if we couldn't allocate resources.
923			*/
924	c204c69d	leszek	public DistortedNode attach(DistortedInputSurface surface, DistortedEffects effects, MeshObject mesh)
925	a09ada4c	Leszek Koltunski	{
926			DistortedNode node = new DistortedNode(surface,effects,mesh);
927	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(ATTACH,node));
928	efe3d8fe	leszek	DistortedMaster.newSlave(this);
929	c204c69d	leszek	return node;
930			}
931
932	af27df87	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
933			/**
934			* Removes the first occurrence of a specified child from the list of children of our Surface.
935			* <p>
936			* A bit questionable method as there can be many different Nodes attached as children, some
937			* of them having the same Effects but - for instance - different Mesh. Use with care.
938			* <p>
939			* We cannot do this mid-render - actual detachment will be done just before the next render, by the
940	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
941	af27df87	leszek	*
942			* @param effects DistortedEffects to remove.
943			*/
944			public void detach(DistortedEffects effects)
945			{
946			long id = effects.getID();
947			DistortedNode node;
948	8baa1fe6	Leszek Koltunski	boolean detached = false;
949	af27df87	leszek
950			for(int i=0; i<mNumChildren; i++)
951			{
952			node = mChildren.get(i);
953
954			if( node.getEffects().getID()==id )
955			{
956	8baa1fe6	Leszek Koltunski	detached = true;
957	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(DETACH,node));
958	efe3d8fe	leszek	DistortedMaster.newSlave(this);
959	af27df87	leszek	break;
960			}
961			}
962	8baa1fe6	Leszek Koltunski
963			if( !detached )
964			{
965			// if we failed to detach any, it still might be the case that
966	efe3d8fe	leszek	// there's an ATTACH job that we need to cancel.
967			int num = mJobs.size();
968			Job job;
969
970			for(int i=0; i<num; i++)
971			{
972			job = mJobs.get(i);
973
974			if( job.type==ATTACH && job.node.getEffects()==effects )
975			{
976			mJobs.remove(i);
977			break;
978			}
979			}
980	8baa1fe6	Leszek Koltunski	}
981	af27df87	leszek	}
982
983	a09ada4c	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
984			/**
985			* Removes the first occurrence of a specified child from the list of children of our Surface.
986	c204c69d	leszek	* <p>
987			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
988	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
989	c204c69d	leszek	*
990			* @param node The Node to remove.
991			*/
992			public void detach(DistortedNode node)
993			{
994	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(DETACH,node));
995	efe3d8fe	leszek	DistortedMaster.newSlave(this);
996	a09ada4c	Leszek Koltunski	}
997
998			///////////////////////////////////////////////////////////////////////////////////////////////////
999			/**
1000			* Removes all children Nodes.
1001	c204c69d	leszek	* <p>
1002			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
1003	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
1004	c204c69d	leszek	*/
1005			public void detachAll()
1006			{
1007	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(DETALL,null));
1008	efe3d8fe	leszek	DistortedMaster.newSlave(this);
1009	c204c69d	leszek	}
1010
1011			///////////////////////////////////////////////////////////////////////////////////////////////////
1012			/**
1013			* This is not really part of the public API. Has to be public only because it is a part of the
1014	efe3d8fe	leszek	* DistortedSlave interface, which should really be a class that we extend here instead but
1015	c204c69d	leszek	* Java has no multiple inheritance.
1016	43fbf0dd	leszek	*
1017			* @y.exclude
1018	a09ada4c	Leszek Koltunski	*/
1019	efe3d8fe	leszek	public void doWork()
1020	a09ada4c	Leszek Koltunski	{
1021	efe3d8fe	leszek	int num = mJobs.size();
1022			Job job;
1023
1024			for(int i=0; i<num; i++)
1025			{
1026			job = mJobs.remove(0);
1027
1028			switch(job.type)
1029			{
1030	be60d4ff	leszek	case ATTACH: if( mChildren==null ) mChildren = new ArrayList<>(2);
1031			job.node.setSurfaceParent(this);
1032	85bfeb7a	Leszek Koltunski	DistortedMaster.addSortingByBuckets(mChildren,job.node);
1033	efe3d8fe	leszek	mNumChildren++;
1034			break;
1035	be60d4ff	leszek	case DETACH: if( mNumChildren>0 && mChildren.remove(job.node) )
1036	efe3d8fe	leszek	{
1037	be60d4ff	leszek	job.node.setSurfaceParent(null);
1038	efe3d8fe	leszek	mNumChildren--;
1039			}
1040			break;
1041	be60d4ff	leszek	case DETALL: if( mNumChildren>0 )
1042	efe3d8fe	leszek	{
1043	be60d4ff	leszek	DistortedNode tmp;
1044
1045			for(int j=mNumChildren-1; j>=0; j--)
1046			{
1047			tmp = mChildren.remove(j);
1048			tmp.setSurfaceParent(null);
1049			}
1050
1051	efe3d8fe	leszek	mNumChildren = 0;
1052			}
1053			break;
1054	ffbe7ecf	Leszek Koltunski	case SORT : mChildren.remove(job.node);
1055	85bfeb7a	Leszek Koltunski	DistortedMaster.addSortingByBuckets(mChildren,job.node);
1056	efe3d8fe	leszek	break;
1057			}
1058			}
1059	a09ada4c	Leszek Koltunski	}
1060	af4cc5db	Leszek Koltunski	}

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library / src / main / java / org / distorted / library / main / DistortedOutputSurface.java @ 86c352e0