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

library / src / main / java / org / distorted / library / main / DistortedOutputSurface.java @ c1a38ba3

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	406e2f6b	Leszek Koltunski	int renderChildren(long time, int numChildren, ArrayList<DistortedNode> children, int fbo, boolean oit)
392	b2939df4	Leszek Koltunski	{
393	7266d8ef	Leszek Koltunski	int quality=0, internalQuality = 0, numRenders = 0, bucketChange = 0;
394	3f44e745	Leszek Koltunski	DistortedNode child1, child2;
395	70b6a155	Leszek Koltunski	EffectQueuePostprocess lastQueue=null, currQueue;
396	33f59f22	Leszek Koltunski	long lastBucket=0, currBucket;
397	56c6ca24	Leszek Koltunski
398	c1a38ba3	Leszek Koltunski	if( oit && numChildren>0 )
399			{
400			oitClear(this);
401			}
402
403	8e28b6ff	leszek	for(int i=0; i<numChildren; i++)
404	39086ebb	leszek	{
405	3f44e745	Leszek Koltunski	child1 = children.get(i);
406	70b6a155	Leszek Koltunski	currQueue = child1.getPostprocessQueue();
407			currBucket= currQueue.getID();
408	b9798977	leszek
409	56c6ca24	Leszek Koltunski	if( currBucket==0 )
410			{
411	586b5fa1	Leszek Koltunski	setAsOutputFBO(time,fbo);
412	c1a38ba3	Leszek Koltunski
413			if( oit )
414			{
415			numRenders += child1.drawOIT(time, this);
416			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT \| GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
417			}
418			else
419			{
420			numRenders += child1.draw(time, this);
421			}
422	56c6ca24	Leszek Koltunski	}
423	60c1c622	leszek	else
424			{
425	df5f8dd9	Leszek Koltunski	if( mBuffer==null ) createPostprocessingBuffers(mWidth,mHeight,mNear);
426	c9a24bfb	Leszek Koltunski
427	915b7b2b	leszek	if( lastBucket!=currBucket )
428	c9a24bfb	Leszek Koltunski	{
429	375b3950	Leszek Koltunski	if( lastBucket==0 )
430			{
431	56c6ca24	Leszek Koltunski	clonePostprocessingViewport(this);
432	375b3950	Leszek Koltunski	}
433			else
434	c9a24bfb	Leszek Koltunski	{
435			for(int j=bucketChange; j<i; j++)
436			{
437	3f44e745	Leszek Koltunski	child2 = children.get(j);
438	586b5fa1	Leszek Koltunski	mBuffer[internalQuality].setAsOutputFBO(fbo);
439	baa3989b	Leszek Koltunski	numRenders += child2.markStencilAndDepth(time,mBuffer[internalQuality],lastQueue);
440	c9a24bfb	Leszek Koltunski	}
441
442	586b5fa1	Leszek Koltunski	numRenders += lastQueue.postprocess(mBuffer,fbo);
443	406e2f6b	Leszek Koltunski
444			if( oit )
445			{
446			numRenders += oitBuild(time, mBuffer[quality], fbo);
447			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT \| GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
448			}
449			else
450			{
451			numRenders += blitWithDepth(time, mBuffer[quality],fbo);
452			}
453	61ce8e90	Leszek Koltunski	mBuffer[quality].clearBuffer(fbo);
454	c9a24bfb	Leszek Koltunski	}
455	660cd468	leszek
456	70b6a155	Leszek Koltunski	internalQuality = currQueue.getInternalQuality();
457			quality = currQueue.getQuality();
458			bucketChange = i;
459	c9a24bfb	Leszek Koltunski	}
460
461	586b5fa1	Leszek Koltunski	mBuffer[quality].setAsOutputFBO(time,fbo);
462	baa3989b	Leszek Koltunski	child1.drawNoBlend(time,mBuffer[quality]);
463	c9a24bfb	Leszek Koltunski
464	8e28b6ff	leszek	if( i==numChildren-1 )
465	cf7394cc	leszek	{
466	8e28b6ff	leszek	for(int j=bucketChange; j<numChildren; j++)
467	c9a24bfb	Leszek Koltunski	{
468	3f44e745	Leszek Koltunski	child2 = children.get(j);
469	586b5fa1	Leszek Koltunski	mBuffer[internalQuality].setAsOutputFBO(fbo);
470	baa3989b	Leszek Koltunski	numRenders += child2.markStencilAndDepth(time,mBuffer[internalQuality],currQueue);
471	c9a24bfb	Leszek Koltunski	}
472
473	586b5fa1	Leszek Koltunski	numRenders += currQueue.postprocess(mBuffer,fbo);
474	406e2f6b	Leszek Koltunski
475			if( oit )
476			{
477			numRenders += oitBuild(time, mBuffer[quality], fbo);
478			GLES31.glMemoryBarrier(GLES31.GL_SHADER_STORAGE_BARRIER_BIT \| GLES31.GL_ATOMIC_COUNTER_BARRIER_BIT);
479			mBuffer[quality].clearBuffer(fbo);
480			}
481			else
482			{
483			numRenders += blitWithDepth(time, mBuffer[quality],fbo);
484			}
485	cf7394cc	leszek	}
486	56c6ca24	Leszek Koltunski	} // end else (postprocessed child)
487	b9798977	leszek
488	70b6a155	Leszek Koltunski	lastQueue = currQueue;
489			lastBucket= currBucket;
490	56c6ca24	Leszek Koltunski	} // end main for loop
491
492	c1a38ba3	Leszek Koltunski	if( oit && numChildren>0 )
493			{
494			numRenders += oitRender(time, fbo); // merge the OIT linked list
495			}
496
497	39086ebb	leszek	return numRenders;
498			}
499
500	be60d4ff	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
501
502	26a4e5f6	leszek	ArrayList<DistortedNode> getChildren()
503	be60d4ff	leszek	{
504	26a4e5f6	leszek	return mChildren;
505	be60d4ff	leszek	}
506
507	ae2802b1	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
508			/**
509			* Not part of the Public API.
510			*
511			* @y.exclude
512			*/
513			public float getWidthCorrection()
514			{
515			return (float)mWidth/mRealWidth;
516			}
517
518			///////////////////////////////////////////////////////////////////////////////////////////////////
519			/**
520			* Not part of the Public API.
521			*
522			* @y.exclude
523			*/
524			public float getHeightCorrection()
525			{
526			return (float)mHeight/mRealHeight;
527			}
528
529	61ce8e90	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
530
531			private void clearBuffer(int fbo)
532			{
533	a07e0204	Leszek Koltunski	DistortedRenderState.colorDepthStencilOn();
534
535			GLES31.glClearColor(mClearR, mClearG, mClearB, mClearA);
536			GLES31.glClearDepthf(mClearDepth);
537			GLES31.glClearStencil(mClearStencil);
538	61ce8e90	Leszek Koltunski
539			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[fbo]);
540			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, mColorH[2*fbo+1], 0);
541			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT\|GLES31.GL_DEPTH_BUFFER_BIT\|GLES31.GL_STENCIL_BUFFER_BIT);
542			GLES31.glFramebufferTexture2D(GLES31.GL_FRAMEBUFFER, GLES31.GL_COLOR_ATTACHMENT0, GLES31.GL_TEXTURE_2D, mColorH[2*fbo ], 0);
543			GLES31.glClear(GLES31.GL_COLOR_BUFFER_BIT);
544	a07e0204	Leszek Koltunski
545			DistortedRenderState.colorDepthStencilRestore();
546	61ce8e90	Leszek Koltunski	}
547
548	8ebbc730	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
549
550	b3d1b670	Leszek Koltunski	private void setAsOutputFBO(long time, int fbo)
551	8ebbc730	Leszek Koltunski	{
552			if( fbo>=0 && fbo<mNumFBOs )
553			{
554			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[fbo]);
555
556			if (mTime[fbo] != time)
557			{
558			mTime[fbo] = time;
559			clear();
560			}
561			}
562			else
563			{
564	586b5fa1	Leszek Koltunski	android.util.Log.e("surface", "error in setAsOutput1, fbo="+fbo);
565			}
566			}
567
568			///////////////////////////////////////////////////////////////////////////////////////////////////
569			/**
570			* Not part of the Public API.
571			*
572			* @y.exclude
573			*/
574			public void setAsOutputFBO(int fbo)
575			{
576			if( fbo>=0 && fbo<mNumFBOs )
577			{
578			GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[fbo]);
579			}
580			else
581			{
582			android.util.Log.e("surface", "error in setAsOutput2, fbo="+fbo);
583	8ebbc730	Leszek Koltunski	}
584			}
585
586	b2939df4	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
587			// PUBLIC API
588	39086ebb	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
589	c5369f1b	leszek	/**
590	8ebbc730	Leszek Koltunski	* Draws all the attached children to this OutputSurface's 0th FBO.
591	af4cc5db	Leszek Koltunski	* <p>
592			* Must be called from a thread holding OpenGL Context.
593			*
594	d9706fd2	Leszek Koltunski	* @param time Current time, in milliseconds. This will be passed to all the Effects stored in the children Nodes.
595	7691a39f	leszek	* @return Number of objects rendered.
596	c5369f1b	leszek	*/
597	b2939df4	Leszek Koltunski	public int render(long time)
598	8ebbc730	Leszek Koltunski	{
599			return render(time,0);
600			}
601
602			///////////////////////////////////////////////////////////////////////////////////////////////////
603			/**
604			* Draws all the attached children to this OutputSurface.
605			* <p>
606			* Must be called from a thread holding OpenGL Context.
607			*
608			* @param time Current time, in milliseconds. This will be passed to all the Effects stored in the children Nodes.
609			* @param fbo The surface can have many FBOs backing it up - render this to FBO number 'fbo'.
610			* @return Number of objects rendered.
611			*/
612			public int render(long time, int fbo)
613	af4cc5db	Leszek Koltunski	{
614	c204c69d	leszek	// change tree topology (attach and detach children)
615	889cce10	Leszek Koltunski	/*
616	42571056	Leszek Koltunski	boolean changed1 =
617	889cce10	Leszek Koltunski	*/
618	efe3d8fe	leszek	DistortedMaster.toDo();
619	eadf0859	leszek	/*
620	42571056	Leszek Koltunski	if( changed1 )
621	c204c69d	leszek	{
622			for(int i=0; i<mNumChildren; i++)
623			{
624	af27df87	leszek	mChildren.get(i).debug(0);
625	c204c69d	leszek	}
626	af27df87	leszek
627	7691a39f	leszek	DistortedNode.debugMap();
628	c204c69d	leszek	}
629	eadf0859	leszek	*/
630	09ab7524	Leszek Koltunski	// create and delete all underlying OpenGL resources
631			// Watch out: FIRST change topology, only then deal
632			// with OpenGL resources. That's because changing Tree
633			// can result in additional Framebuffers that would need
634			// to be created immediately, before the calls to drawRecursive()
635	42571056	Leszek Koltunski	/*
636			boolean changed2 =
637			*/
638	f8377ef8	leszek	toDo();
639	eadf0859	leszek	/*
640	42571056	Leszek Koltunski	if( changed2 )
641	af27df87	leszek	{
642	226144d0	leszek	DistortedObject.debugLists();
643	42571056	Leszek Koltunski	}
644	eadf0859	leszek	*/
645	c834348d	leszek	// mark OpenGL state as unknown
646			DistortedRenderState.reset();
647	2ed1c692	leszek
648	b2939df4	Leszek Koltunski	int numRenders=0;
649	7691a39f	leszek
650	d9706fd2	Leszek Koltunski	for(int i=0; i<mNumChildren; i++)
651	af4cc5db	Leszek Koltunski	{
652	b2939df4	Leszek Koltunski	numRenders += mChildren.get(i).renderRecursive(time);
653	af4cc5db	Leszek Koltunski	}
654	7691a39f	leszek
655	406e2f6b	Leszek Koltunski	numRenders += renderChildren(time,mNumChildren,mChildren,fbo, mRenderWayOIT);
656	b2939df4	Leszek Koltunski
657	7691a39f	leszek	return numRenders;
658	af4cc5db	Leszek Koltunski	}
659
660			///////////////////////////////////////////////////////////////////////////////////////////////////
661	c5369f1b	leszek	/**
662			* Bind this Surface as a Framebuffer we can render to.
663	02ab6f9d	leszek	*
664			* @param time Present time, in milliseconds. The point: looking at this param the library can figure
665			* out if this is the first time during present frame that this FBO is being set as output.
666			* If so, the library, in addition to binding the Surface for output, also clears the
667			* Surface's color and depth attachments.
668	c5369f1b	leszek	*/
669	95c441a2	leszek	public void setAsOutput(long time)
670	a436ccc5	leszek	{
671	e6519ac8	Leszek Koltunski	GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[0]);
672	95c441a2	leszek
673	8ebbc730	Leszek Koltunski	if( mTime[0]!=time )
674	95c441a2	leszek	{
675	8ebbc730	Leszek Koltunski	mTime[0] = time;
676	88c7b603	Leszek Koltunski	clear();
677	95c441a2	leszek	}
678	a436ccc5	leszek	}
679	af4cc5db	Leszek Koltunski
680	1dfc9074	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
681			/**
682			* Bind this Surface as a Framebuffer we can render to.
683			* <p>
684			* This version does not attempt to clear anything.
685			*/
686			public void setAsOutput()
687			{
688	e6519ac8	Leszek Koltunski	GLES31.glBindFramebuffer(GLES31.GL_FRAMEBUFFER, mFBOH[0]);
689	1dfc9074	leszek	}
690
691			///////////////////////////////////////////////////////////////////////////////////////////////////
692			/**
693			* Return the Near plane of the Projection included in the Surface.
694			*
695			* @return the Near plane.
696			*/
697			public float getNear()
698			{
699			return mNear;
700			}
701
702	638b5b5c	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
703			/**
704			* Set mipmap level.
705			* <p>
706			* Trick for speeding up your renders - one can create a pyramid of OutputSurface objects, each next
707			* one some constant FACTOR smaller than the previous (0.5 is the common value), then set the Mipmap
708			* Level of the i-th object to be FACTOR^i (we start counting from 0). When rendering any scene into
709			* such prepared OutputSurface, the library will make sure to scale any Effects used so that the end
710			* scene will end up looking identical no matter which object we render to. Identical, that is, except
711			* for the loss of quality and gain in speed associated with rendering to a smaller Surface.
712	8426bd6a	Leszek Koltunski	* <p>
713			* Example: if you create two FBOs, one 1000x1000 and another 500x500 in size, and set the second one
714			* mipmap to 0.5 (the first one's is 1.0 by default), define Effects to be a single move by (100,100),
715			* and render a skinned Mesh into both FBO, the end result will look proportionally the same, because
716			* in the second case the move vector (100,100) will be auto-scaled to (50,50).
717	638b5b5c	leszek	*
718			* @param mipmap The mipmap level. Acceptable range: 0<mipmap<infinity, although mipmap>1
719			* does not make any sense (that would result in loss of speed and no gain in quality)
720			*/
721			public void setMipmap(float mipmap)
722			{
723			mMipmap = mipmap;
724			}
725
726	a9f41fa3	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
727			/**
728	e6519ac8	Leszek Koltunski	* Set the (R,G,B,A) values of GLES31.glClearColor() to set up color with which to clear
729	ad16ed3b	Leszek Koltunski	* this Surface at the beginning of each frame.
730	a9f41fa3	leszek	*
731			* @param r the Red component. Default: 0.0f
732			* @param g the Green component. Default: 0.0f
733			* @param b the Blue component. Default: 0.0f
734			* @param a the Alpha component. Default: 0.0f
735			*/
736			public void glClearColor(float r, float g, float b, float a)
737			{
738			mClearR = r;
739			mClearG = g;
740			mClearB = b;
741			mClearA = a;
742			}
743
744			///////////////////////////////////////////////////////////////////////////////////////////////////
745			/**
746	23eecbd9	Leszek Koltunski	* Uses glClearDepthf() to set up a value with which to clear
747			* the Depth buffer of our Surface at the beginning of each frame.
748	a9f41fa3	leszek	*
749			* @param d the Depth. Default: 1.0f
750			*/
751			public void glClearDepthf(float d)
752			{
753			mClearDepth = d;
754			}
755
756	23eecbd9	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
757			/**
758			* Uses glClearStencil() to set up a value with which to clear the
759			* Stencil buffer of our Surface at the beginning of each frame.
760			*
761			* @param s the Stencil. Default: 0
762			*/
763			public void glClearStencil(int s)
764			{
765			mClearStencil = s;
766			}
767
768	ad16ed3b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
769			/**
770			* Which buffers to Clear at the beginning of each frame?
771			* <p>
772			* Valid values: 0, or bitwise OR of one or more values from the set GL_COLOR_BUFFER_BIT,
773			* GL_DEPTH_BUFFER_BIT, GL_STENCIL_BUFFER_BIT.
774			* Default: GL_DEPTH_BUFFER_BIT \| GL_COLOR_BUFFER_BIT.
775			*
776			* @param mask bitwise OR of BUFFER_BITs to clear.
777			*/
778			public void glClear(int mask)
779			{
780			mClear = mask;
781			}
782
783	af4cc5db	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
784			/**
785			* Create new Projection matrix.
786			*
787			* @param fov Vertical 'field of view' of the Projection frustrum (in degrees).
788	54fe333a	leszek	* Valid values: 0<=fov<180. FOV==0 means 'parallel projection'.
789			* @param near Distance between the screen plane and the near plane.
790	61441ce2	Leszek Koltunski	* Valid vaules: 0<near<1. When near==0 (illegal!), the Near Plane is exactly at the tip of
791			* the pyramid. When near==1 (illegal!) the near plane is equivalent to the screen plane.
792	af4cc5db	Leszek Koltunski	*/
793	54fe333a	leszek	public void setProjection(float fov, float near)
794	af4cc5db	Leszek Koltunski	{
795	8069e806	Leszek Koltunski	if( fov < 180.0f && fov >=0.0f )
796			{
797			mFOV = fov;
798			}
799
800			if( near< 1.0f && near> 0.0f )
801			{
802			mNear= near;
803			}
804			else if( near<=0.0f )
805			{
806			mNear = 0.01f;
807			}
808			else if( near>=1.0f )
809			{
810			mNear=0.99f;
811			}
812	af4cc5db	Leszek Koltunski
813	61ce8e90	Leszek Koltunski	if( mBuffer!=null )
814			{
815			for(int j=0; j<EffectQuality.LENGTH; j++) mBuffer[j].mNear = mNear;
816			}
817
818	af4cc5db	Leszek Koltunski	createProjection();
819			}
820
821			///////////////////////////////////////////////////////////////////////////////////////////////////
822	c5369f1b	leszek	/**
823	af4cc5db	Leszek Koltunski	* Resize the underlying Framebuffer.
824	c7da4e65	leszek	* <p>
825			* This method can be safely called mid-render as it doesn't interfere with rendering.
826	af4cc5db	Leszek Koltunski	*
827			* @param width The new width.
828			* @param height The new height.
829	c5369f1b	leszek	*/
830	af4cc5db	Leszek Koltunski	public void resize(int width, int height)
831			{
832			if( mWidth!=width \|\| mHeight!=height )
833			{
834	a4b182d4	Leszek Koltunski	mWidth = mRealWidth = width;
835			mHeight= mRealHeight= height;
836	f8377ef8	leszek
837			createProjection();
838
839	c7da4e65	leszek	if( mColorCreated==CREATED )
840	f8377ef8	leszek	{
841	f28fffc2	Leszek Koltunski	markForCreation();
842	f8377ef8	leszek	recreate();
843			}
844	af4cc5db	Leszek Koltunski	}
845			}
846	a09ada4c	Leszek Koltunski
847	a436ccc5	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
848			/**
849	89de975c	leszek	* Return true if the Surface contains a DEPTH attachment.
850	a436ccc5	leszek	*
851	89de975c	leszek	* @return <bold>true</bold> if the Surface contains a DEPTH attachment.
852	a436ccc5	leszek	*/
853	89de975c	leszek	public boolean hasDepth()
854	a436ccc5	leszek	{
855	89de975c	leszek	return mDepthStencilCreated==CREATED;
856	a436ccc5	leszek	}
857
858			///////////////////////////////////////////////////////////////////////////////////////////////////
859			/**
860	89de975c	leszek	* Return true if the Surface contains a STENCIL attachment.
861	a436ccc5	leszek	*
862	89de975c	leszek	* @return <bold>true</bold> if the Surface contains a STENCIL attachment.
863	a436ccc5	leszek	*/
864	89de975c	leszek	public boolean hasStencil()
865	a436ccc5	leszek	{
866	89de975c	leszek	return (mDepthStencilCreated==CREATED && mDepthStencil==BOTH_DEPTH_STENCIL);
867	a436ccc5	leszek	}
868
869	406e2f6b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
870			/**
871			* When rendering this Node, should we use the Order Independent Transparency render more?
872			* <p>
873			* There are two modes of rendering: the fast 'normal' way, which however renders transparent
874			* fragments in different ways depending on which fragments get rendered first, or the slower
875			* 'oit' way, which renders transparent fragments correctly regardless of their order.
876			*
877			* @param oit True if we want to render more slowly, but in a way which accounts for transparency.
878			*/
879			public void setOrderIndependentTransparency(boolean oit)
880			{
881			mRenderWayOIT = oit;
882			}
883
884	a09ada4c	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
885			/**
886			* Adds a new child to the last position in the list of our Surface's children.
887	c204c69d	leszek	* <p>
888			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
889	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
890	a09ada4c	Leszek Koltunski	*
891			* @param node The new Node to add.
892			*/
893	c204c69d	leszek	public void attach(DistortedNode node)
894	a09ada4c	Leszek Koltunski	{
895	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(ATTACH,node));
896	efe3d8fe	leszek	DistortedMaster.newSlave(this);
897	a09ada4c	Leszek Koltunski	}
898
899			///////////////////////////////////////////////////////////////////////////////////////////////////
900			/**
901			* Adds a new child to the last position in the list of our Surface's children.
902	c204c69d	leszek	* <p>
903			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
904	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
905	a09ada4c	Leszek Koltunski	*
906			* @param surface InputSurface to initialize our child Node with.
907			* @param effects DistortedEffects to initialize our child Node with.
908			* @param mesh MeshObject to initialize our child Node with.
909			* @return the newly constructed child Node, or null if we couldn't allocate resources.
910			*/
911	c204c69d	leszek	public DistortedNode attach(DistortedInputSurface surface, DistortedEffects effects, MeshObject mesh)
912	a09ada4c	Leszek Koltunski	{
913			DistortedNode node = new DistortedNode(surface,effects,mesh);
914	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(ATTACH,node));
915	efe3d8fe	leszek	DistortedMaster.newSlave(this);
916	c204c69d	leszek	return node;
917			}
918
919	af27df87	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
920			/**
921			* Removes the first occurrence of a specified child from the list of children of our Surface.
922			* <p>
923			* A bit questionable method as there can be many different Nodes attached as children, some
924			* of them having the same Effects but - for instance - different Mesh. Use with care.
925			* <p>
926			* We cannot do this mid-render - actual detachment will be done just before the next render, by the
927	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
928	af27df87	leszek	*
929			* @param effects DistortedEffects to remove.
930			*/
931			public void detach(DistortedEffects effects)
932			{
933			long id = effects.getID();
934			DistortedNode node;
935	8baa1fe6	Leszek Koltunski	boolean detached = false;
936	af27df87	leszek
937			for(int i=0; i<mNumChildren; i++)
938			{
939			node = mChildren.get(i);
940
941			if( node.getEffects().getID()==id )
942			{
943	8baa1fe6	Leszek Koltunski	detached = true;
944	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(DETACH,node));
945	efe3d8fe	leszek	DistortedMaster.newSlave(this);
946	af27df87	leszek	break;
947			}
948			}
949	8baa1fe6	Leszek Koltunski
950			if( !detached )
951			{
952			// if we failed to detach any, it still might be the case that
953	efe3d8fe	leszek	// there's an ATTACH job that we need to cancel.
954			int num = mJobs.size();
955			Job job;
956
957			for(int i=0; i<num; i++)
958			{
959			job = mJobs.get(i);
960
961			if( job.type==ATTACH && job.node.getEffects()==effects )
962			{
963			mJobs.remove(i);
964			break;
965			}
966			}
967	8baa1fe6	Leszek Koltunski	}
968	af27df87	leszek	}
969
970	a09ada4c	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
971			/**
972			* Removes the first occurrence of a specified child from the list of children of our Surface.
973	c204c69d	leszek	* <p>
974			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
975	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
976	c204c69d	leszek	*
977			* @param node The Node to remove.
978			*/
979			public void detach(DistortedNode node)
980			{
981	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(DETACH,node));
982	efe3d8fe	leszek	DistortedMaster.newSlave(this);
983	a09ada4c	Leszek Koltunski	}
984
985			///////////////////////////////////////////////////////////////////////////////////////////////////
986			/**
987			* Removes all children Nodes.
988	c204c69d	leszek	* <p>
989			* We cannot do this mid-render - actual attachment will be done just before the next render, by the
990	efe3d8fe	leszek	* DistortedMaster (by calling doWork())
991	c204c69d	leszek	*/
992			public void detachAll()
993			{
994	ffbe7ecf	Leszek Koltunski	mJobs.add(new Job(DETALL,null));
995	efe3d8fe	leszek	DistortedMaster.newSlave(this);
996	c204c69d	leszek	}
997
998			///////////////////////////////////////////////////////////////////////////////////////////////////
999			/**
1000			* This is not really part of the public API. Has to be public only because it is a part of the
1001	efe3d8fe	leszek	* DistortedSlave interface, which should really be a class that we extend here instead but
1002	c204c69d	leszek	* Java has no multiple inheritance.
1003	43fbf0dd	leszek	*
1004			* @y.exclude
1005	a09ada4c	Leszek Koltunski	*/
1006	efe3d8fe	leszek	public void doWork()
1007	a09ada4c	Leszek Koltunski	{
1008	efe3d8fe	leszek	int num = mJobs.size();
1009			Job job;
1010
1011			for(int i=0; i<num; i++)
1012			{
1013			job = mJobs.remove(0);
1014
1015			switch(job.type)
1016			{
1017	be60d4ff	leszek	case ATTACH: if( mChildren==null ) mChildren = new ArrayList<>(2);
1018			job.node.setSurfaceParent(this);
1019	85bfeb7a	Leszek Koltunski	DistortedMaster.addSortingByBuckets(mChildren,job.node);
1020	efe3d8fe	leszek	mNumChildren++;
1021			break;
1022	be60d4ff	leszek	case DETACH: if( mNumChildren>0 && mChildren.remove(job.node) )
1023	efe3d8fe	leszek	{
1024	be60d4ff	leszek	job.node.setSurfaceParent(null);
1025	efe3d8fe	leszek	mNumChildren--;
1026			}
1027			break;
1028	be60d4ff	leszek	case DETALL: if( mNumChildren>0 )
1029	efe3d8fe	leszek	{
1030	be60d4ff	leszek	DistortedNode tmp;
1031
1032			for(int j=mNumChildren-1; j>=0; j--)
1033			{
1034			tmp = mChildren.remove(j);
1035			tmp.setSurfaceParent(null);
1036			}
1037
1038	efe3d8fe	leszek	mNumChildren = 0;
1039			}
1040			break;
1041	ffbe7ecf	Leszek Koltunski	case SORT : mChildren.remove(job.node);
1042	85bfeb7a	Leszek Koltunski	DistortedMaster.addSortingByBuckets(mChildren,job.node);
1043	efe3d8fe	leszek	break;
1044			}
1045			}
1046	a09ada4c	Leszek Koltunski	}
1047	af4cc5db	Leszek Koltunski	}

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library / src / main / java / org / distorted / library / main / DistortedOutputSurface.java @ c1a38ba3