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

library / src / main / java / org / distorted / library / main / DistortedOutputSurface.java @ df5f8dd9

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

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library / src / main / java / org / distorted / library / main / DistortedOutputSurface.java @ df5f8dd9