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

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 93aa7e5a

1	d333eb6b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
2			// Copyright 2016 Leszek Koltunski //
3			// //
4	46b572b5	Leszek Koltunski	// This file is part of Distorted. //
5	d333eb6b	Leszek Koltunski	// //
6	46b572b5	Leszek Koltunski	// Distorted is free software: you can redistribute it and/or modify //
7	d333eb6b	Leszek Koltunski	// 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	46b572b5	Leszek Koltunski	// Distorted is distributed in the hope that it will be useful, //
12	d333eb6b	Leszek Koltunski	// 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	46b572b5	Leszek Koltunski	// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
18	d333eb6b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
19
20	fe82a979	Leszek Koltunski	package org.distorted.library.main;
21	6a06a912	Leszek Koltunski
22	30beb34f	Leszek Koltunski	import android.app.ActivityManager;
23	7845dc66	Leszek Koltunski	import android.content.Context;
24	30beb34f	Leszek Koltunski	import android.content.pm.ConfigurationInfo;
25	d6e94c84	Leszek Koltunski	import android.content.res.Resources;
26	b7074bc6	Leszek Koltunski	import android.opengl.GLES30;
27	edea9cf3	Leszek Koltunski	import android.opengl.GLES31;
28	bfe45b4a	Leszek Koltunski	import android.util.Log;
29	310e14fb	leszek
30	bfe45b4a	Leszek Koltunski	import org.distorted.library.R;
31	26a4e5f6	leszek	import org.distorted.library.effect.Effect;
32	809dcae3	Leszek Koltunski	import org.distorted.library.effectqueue.EffectQueue;
33			import org.distorted.library.effectqueue.EffectQueuePostprocess;
34	bfe45b4a	Leszek Koltunski	import org.distorted.library.effect.EffectType;
35			import org.distorted.library.effect.FragmentEffect;
36	aa2f0486	Leszek Koltunski	import org.distorted.library.effect.PostprocessEffect;
37	bfe45b4a	Leszek Koltunski	import org.distorted.library.effect.VertexEffect;
38	07206c71	Leszek Koltunski	import org.distorted.library.effectqueue.EffectQueueVertex;
39			import org.distorted.library.mesh.DeferredJobs;
40	bfe45b4a	Leszek Koltunski	import org.distorted.library.mesh.MeshBase;
41	ed06301f	Leszek Koltunski	import org.distorted.library.message.EffectMessageSender;
42	bfe45b4a	Leszek Koltunski	import org.distorted.library.program.DistortedProgram;
43	b7074bc6	Leszek Koltunski	import org.distorted.library.program.VertexCompilationException;
44	bfe45b4a	Leszek Koltunski
45			import java.io.InputStream;
46			import java.nio.ByteBuffer;
47			import java.nio.ByteOrder;
48			import java.nio.FloatBuffer;
49			import java.nio.IntBuffer;
50	6a06a912	Leszek Koltunski
51			///////////////////////////////////////////////////////////////////////////////////////////////////
52			/**
53	f953bee0	Leszek Koltunski	* A singleton class used to control various global dialog_settings.
54	6a06a912	Leszek Koltunski	*/
55	7602a827	Leszek Koltunski	public class DistortedLibrary
56	39cbf9dc	Leszek Koltunski	{
57	b7074bc6	Leszek Koltunski	private static int mGLSL;
58			private static String mGLSL_VERSION;
59			private static boolean mOITCompilationSuccessful;
60	6a06a912	Leszek Koltunski	/**
61	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedTexture from another instance, clone the Bitmap that's
62			* backing up our DistortedTexture.
63	6a06a912	Leszek Koltunski	* <p>
64	cacc63de	Leszek Koltunski	* This way we can have two DistortedTextures, both backed up by the same Bitmap, to which we can
65	6a06a912	Leszek Koltunski	* apply different effects. Used in the copy constructor.
66			*/
67	29a06526	Leszek Koltunski	public static final int CLONE_SURFACE = 0x1;
68	6a06a912	Leszek Koltunski	/**
69	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Matrix Effects.
70	6a06a912	Leszek Koltunski	* <p>
71	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the MATRIX queue.
72	6a06a912	Leszek Koltunski	*/
73	015642fb	Leszek Koltunski	public static final int CLONE_MATRIX = 0x2;
74	6a06a912	Leszek Koltunski	/**
75	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Vertex Effects.
76	6a06a912	Leszek Koltunski	* <p>
77	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the VERTEX queue.
78	6a06a912	Leszek Koltunski	*/
79			public static final int CLONE_VERTEX = 0x4;
80			/**
81	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Fragment Effects.
82	6a06a912	Leszek Koltunski	* <p>
83	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the FRAGMENT queue.
84	6a06a912	Leszek Koltunski	*/
85			public static final int CLONE_FRAGMENT= 0x8;
86	d6e94c84	Leszek Koltunski	/**
87			* When creating an instance of a DistortedEffects from another instance, clone the PostProcess Effects.
88			* <p>
89			* This way we can have two different DistortedEffects sharing the POSTPROCESS queue.
90			*/
91			public static final int CLONE_POSTPROCESS= 0x10;
92	6a06a912	Leszek Koltunski	/**
93	a09ada4c	Leszek Koltunski	* When creating an instance of a DistortedNode from another instance, clone the children Nodes.
94	6a06a912	Leszek Koltunski	* <p>
95	cacc63de	Leszek Koltunski	* This is mainly useful for creating many similar sub-trees and rendering then at different places
96			* on the screen with (optionally) different Effects.
97	6a06a912	Leszek Koltunski	*/
98	d6e94c84	Leszek Koltunski	public static final int CLONE_CHILDREN= 0x20;
99	b3618cb5	Leszek Koltunski
100	586b5fa1	Leszek Koltunski	/**
101			* Work around bugs in ARM Mali driver by, instead to a single FBO, rendering to a circular queue
102			* of FBO_QUEUE_SIZE FBOs. (otherwise we sometimes get a 'full pipeline flush' and the end result
103			* might be missing part of the Objects)
104	6672d895	Leszek Koltunski	*
105	12f9e4bb	Leszek Koltunski	* This bug only exists on Mali driver r12.
106	6672d895	Leszek Koltunski	*
107			* https://community.arm.com/graphics/f/discussions/10285/opengl-es-3-1-on-mali-t880-flashes
108	586b5fa1	Leszek Koltunski	*/
109	973e99d7	Leszek Koltunski	static final int FBO_QUEUE_SIZE = 4;
110	586b5fa1	Leszek Koltunski
111	55c14a19	Leszek Koltunski	private static boolean mInitialized=false;
112	6a06a912	Leszek Koltunski
113	bfe45b4a	Leszek Koltunski	//////////////////////////////////////////////////////////////////////////////////////////////
114			/// MAIN PROGRAM ///
115			private static DistortedProgram mMainProgram;
116			private static int mMainTextureH;
117
118			/// NORMAL PROGRAM /////
119			private static DistortedProgram mNormalProgram;
120			private static int mNormalMVPMatrixH;
121
122			/// MAIN OIT PROGRAM ///
123			private static DistortedProgram mMainOITProgram;
124			private static int mMainOITTextureH;
125			private static int mMainOITSizeH;
126			private static int mMainOITNumRecordsH;
127
128			/// BLIT PROGRAM ///
129			private static DistortedProgram mBlitProgram;
130			private static int mBlitTextureH;
131			private static int mBlitDepthH;
132			private static final FloatBuffer mQuadPositions;
133
134	f046b159	Leszek Koltunski	/// FULL PROGRAM ///
135			private static DistortedProgram mFullProgram;
136
137	bfe45b4a	Leszek Koltunski	static
138			{
139			float[] positionData= { -0.5f, -0.5f, -0.5f, 0.5f, 0.5f,-0.5f, 0.5f, 0.5f };
140			mQuadPositions = ByteBuffer.allocateDirect(32).order(ByteOrder.nativeOrder()).asFloatBuffer();
141			mQuadPositions.put(positionData).position(0);
142			}
143
144			/// BLIT DEPTH PROGRAM ///
145			private static DistortedProgram mBlitDepthProgram;
146			private static int mBlitDepthTextureH;
147			private static int mBlitDepthDepthTextureH;
148			private static int mBlitDepthDepthH;
149			private static int mBlitDepthTexCorrH;
150
151			/// OIT SSBO BUFFER ///
152			private static int[] mLinkedListSSBO = new int[1];
153	7602a827	Leszek Koltunski	private static int[] mAtomicCounter = new int[DistortedLibrary.FBO_QUEUE_SIZE];
154	bfe45b4a	Leszek Koltunski	private static int mCurrBuffer;
155
156			static
157			{
158			mLinkedListSSBO[0]= -1;
159			mCurrBuffer = 0;
160
161	7602a827	Leszek Koltunski	for(int i = 0; i< DistortedLibrary.FBO_QUEUE_SIZE; i++) mAtomicCounter[i] = -1;
162	bfe45b4a	Leszek Koltunski	}
163
164			///////////////////////////////////////////////////////////////
165			// meaning: allocate 1.0 screenful of places for transparent
166			// fragments in the SSBO backing up the OIT render method.
167			private static float mBufferSize=1.0f;
168
169			/// OIT CLEAR PROGRAM ///
170			private static DistortedProgram mOITClearProgram;
171			private static int mOITClearDepthH;
172			private static int mOITClearTexCorrH;
173			private static int mOITClearSizeH;
174
175			/// OIT BUILD PROGRAM ///
176			private static DistortedProgram mOITBuildProgram;
177			private static int mOITBuildTextureH;
178			private static int mOITBuildDepthTextureH;
179			private static int mOITBuildDepthH;
180			private static int mOITBuildTexCorrH;
181			private static int mOITBuildSizeH;
182			private static int mOITBuildNumRecordsH;
183
184			/// OIT COLLAPSE PROGRAM ///
185			private static DistortedProgram mOITCollapseProgram;
186			private static int mOITCollapseDepthTextureH;
187			private static int mOITCollapseDepthH;
188			private static int mOITCollapseTexCorrH;
189			private static int mOITCollapseSizeH;
190
191			/// OIT RENDER PROGRAM ///
192			private static DistortedProgram mOITRenderProgram;
193			private static int mOITRenderDepthH;
194			private static int mOITRenderTexCorrH;
195			private static int mOITRenderSizeH;
196
197			/// END PROGRAMS //////
198
199	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
200	c638c1b0	Leszek Koltunski	// private: hide this from Javadoc
201	6a06a912	Leszek Koltunski
202	7602a827	Leszek Koltunski	private DistortedLibrary()
203	6a06a912	Leszek Koltunski	{
204	8eccf334	Leszek Koltunski
205	6a06a912	Leszek Koltunski	}
206
207	bfe45b4a	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
208
209	809dcae3	Leszek Koltunski	private static void createPrograms(Resources resources)
210	bfe45b4a	Leszek Koltunski	{
211			// MAIN PROGRAM ////////////////////////////////////
212			final InputStream mainVertStream = resources.openRawResource(R.raw.main_vertex_shader);
213			final InputStream mainFragStream = resources.openRawResource(R.raw.main_fragment_shader);
214
215			int numF = FragmentEffect.getNumEnabled();
216			int numV = VertexEffect.getNumEnabled();
217
218	b7074bc6	Leszek Koltunski	String mainVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n");
219			String mainFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + ( numF>0 ? getMax(EffectType.FRAGMENT) : 0 ) + "\n");
220	36d65d88	Leszek Koltunski
221	e8925fcd	Leszek Koltunski	mainVertHeader += "#define MAX_COMPON " + MeshBase.getMaxEffComponents() + "\n";
222	36d65d88	Leszek Koltunski
223	bfe45b4a	Leszek Koltunski	String enabledEffectV= VertexEffect.getGLSL();
224			String enabledEffectF= FragmentEffect.getGLSL();
225
226			String[] feedback = { "v_Position", "v_endPosition" };
227
228			try
229			{
230			mMainProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
231	b7074bc6	Leszek Koltunski	enabledEffectV, enabledEffectF, mGLSL, feedback);
232	bfe45b4a	Leszek Koltunski	}
233			catch(Exception e)
234			{
235			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN program: "+e.getMessage());
236			throw new RuntimeException(e.getMessage());
237			}
238
239			int mainProgramH = mMainProgram.getProgramHandle();
240			EffectQueue.getUniforms(mainProgramH,0);
241	36d65d88	Leszek Koltunski	MeshBase.getUniforms(mainProgramH,0);
242	b7074bc6	Leszek Koltunski	mMainTextureH= GLES30.glGetUniformLocation( mainProgramH, "u_Texture");
243	bfe45b4a	Leszek Koltunski
244			// BLIT PROGRAM ////////////////////////////////////
245			final InputStream blitVertStream = resources.openRawResource(R.raw.blit_vertex_shader);
246			final InputStream blitFragStream = resources.openRawResource(R.raw.blit_fragment_shader);
247
248			try
249			{
250	b7074bc6	Leszek Koltunski	mBlitProgram = new DistortedProgram(blitVertStream,blitFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
251	bfe45b4a	Leszek Koltunski	}
252			catch(Exception e)
253			{
254			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT program: "+e.getMessage());
255			throw new RuntimeException(e.getMessage());
256			}
257
258			int blitProgramH = mBlitProgram.getProgramHandle();
259	b7074bc6	Leszek Koltunski	mBlitTextureH = GLES30.glGetUniformLocation( blitProgramH, "u_Texture");
260			mBlitDepthH = GLES30.glGetUniformLocation( blitProgramH, "u_Depth");
261	bfe45b4a	Leszek Koltunski
262			// BLIT DEPTH PROGRAM ////////////////////////////////////
263			final InputStream blitDepthVertStream = resources.openRawResource(R.raw.blit_depth_vertex_shader);
264			final InputStream blitDepthFragStream = resources.openRawResource(R.raw.blit_depth_fragment_shader);
265
266			try
267			{
268	b7074bc6	Leszek Koltunski	mBlitDepthProgram = new DistortedProgram(blitDepthVertStream,blitDepthFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
269	bfe45b4a	Leszek Koltunski	}
270			catch(Exception e)
271			{
272			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT DEPTH program: "+e.getMessage());
273			throw new RuntimeException(e.getMessage());
274			}
275
276			int blitDepthProgramH = mBlitDepthProgram.getProgramHandle();
277	b7074bc6	Leszek Koltunski	mBlitDepthTextureH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_Texture");
278			mBlitDepthDepthTextureH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_DepthTexture");
279			mBlitDepthDepthH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_Depth");
280			mBlitDepthTexCorrH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_TexCorr");
281	bfe45b4a	Leszek Koltunski
282			// NORMAL PROGRAM //////////////////////////////////////
283			final InputStream normalVertexStream = resources.openRawResource(R.raw.normal_vertex_shader);
284			final InputStream normalFragmentStream = resources.openRawResource(R.raw.normal_fragment_shader);
285
286			try
287			{
288	b7074bc6	Leszek Koltunski	mNormalProgram = new DistortedProgram(normalVertexStream,normalFragmentStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
289	bfe45b4a	Leszek Koltunski	}
290			catch(Exception e)
291			{
292			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile NORMAL program: "+e.getMessage());
293			throw new RuntimeException(e.getMessage());
294			}
295
296			int normalProgramH = mNormalProgram.getProgramHandle();
297	b7074bc6	Leszek Koltunski	mNormalMVPMatrixH = GLES30.glGetUniformLocation( normalProgramH, "u_MVPMatrix");
298	bfe45b4a	Leszek Koltunski	}
299
300	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
301
302			private static void createFullProgram(Resources resources)
303			{
304			final InputStream fullVertStream = resources.openRawResource(R.raw.main_vertex_shader);
305			final InputStream fullFragStream = resources.openRawResource(R.raw.main_fragment_shader);
306
307			int numV = VertexEffect.getAllEnabled();
308
309			String fullVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n");
310			String fullFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + 0 + "\n");
311	36d65d88	Leszek Koltunski
312	e8925fcd	Leszek Koltunski	fullVertHeader += "#define MAX_COMPON " + MeshBase.getMaxEffComponents() + "\n";
313	36d65d88	Leszek Koltunski
314	f046b159	Leszek Koltunski	String enabledEffectV= VertexEffect.getAllGLSL();
315			String enabledEffectF= "{}";
316
317	667884b0	Leszek Koltunski	fullVertHeader += "#define PREAPPLY\n";
318
319	e54bfada	Leszek Koltunski	String[] feedback = { "v_Position", "v_endPosition", "v_Inflate" };
320	f046b159	Leszek Koltunski
321			try
322			{
323			mFullProgram = new DistortedProgram(fullVertStream, fullFragStream, fullVertHeader, fullFragHeader,
324			enabledEffectV, enabledEffectF, mGLSL, feedback);
325			}
326			catch(Exception e)
327			{
328			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile FULL program: "+e.getMessage());
329			throw new RuntimeException(e.getMessage());
330			}
331
332			int fullProgramH = mFullProgram.getProgramHandle();
333			EffectQueue.getUniforms(fullProgramH,3);
334	36d65d88	Leszek Koltunski	MeshBase.getUniforms(fullProgramH,3);
335	f046b159	Leszek Koltunski	}
336
337	bfe45b4a	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
338
339	809dcae3	Leszek Koltunski	private static void createProgramsOIT(Resources resources)
340	bfe45b4a	Leszek Koltunski	{
341			// MAIN OIT PROGRAM ////////////////////////////////
342			final InputStream mainVertStream = resources.openRawResource(R.raw.main_vertex_shader);
343			final InputStream mainFragStream = resources.openRawResource(R.raw.main_fragment_shader);
344
345			int numF = FragmentEffect.getNumEnabled();
346			int numV = VertexEffect.getNumEnabled();
347
348	b7074bc6	Leszek Koltunski	String mainVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n") + ("#define OIT\n");
349			String mainFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + ( numF>0 ? getMax(EffectType.FRAGMENT) : 0 ) + "\n") + ("#define OIT\n");
350	bfe45b4a	Leszek Koltunski
351	e8925fcd	Leszek Koltunski	mainVertHeader += "#define MAX_COMPON " + MeshBase.getMaxEffComponents() + "\n";
352	36d65d88	Leszek Koltunski
353	bfe45b4a	Leszek Koltunski	String enabledEffectV= VertexEffect.getGLSL();
354			String enabledEffectF= FragmentEffect.getGLSL();
355
356			try
357			{
358			mMainOITProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
359	b7074bc6	Leszek Koltunski	enabledEffectV, enabledEffectF, mGLSL, null);
360	bfe45b4a	Leszek Koltunski	}
361			catch(Exception e)
362			{
363			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN OIT program: "+e.getMessage());
364			throw new RuntimeException(e.getMessage());
365			}
366
367			int mainOITProgramH = mMainOITProgram.getProgramHandle();
368			EffectQueue.getUniforms(mainOITProgramH,1);
369	36d65d88	Leszek Koltunski	MeshBase.getUniforms(mainOITProgramH,1);
370	b7074bc6	Leszek Koltunski	mMainOITTextureH = GLES30.glGetUniformLocation( mainOITProgramH, "u_Texture");
371			mMainOITSizeH = GLES30.glGetUniformLocation( mainOITProgramH, "u_Size");
372			mMainOITNumRecordsH = GLES30.glGetUniformLocation( mainOITProgramH, "u_numRecords");
373	bfe45b4a	Leszek Koltunski
374			// OIT CLEAR PROGRAM ////////////////////////////////////
375			final InputStream oitClearVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
376			final InputStream oitClearFragStream = resources.openRawResource(R.raw.oit_clear_fragment_shader);
377
378			try
379			{
380	b7074bc6	Leszek Koltunski	mOITClearProgram = new DistortedProgram(oitClearVertStream,oitClearFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
381	bfe45b4a	Leszek Koltunski	}
382			catch(Exception e)
383			{
384			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT CLEAR program: "+e.getMessage());
385			throw new RuntimeException(e.getMessage());
386			}
387
388			int oitClearProgramH = mOITClearProgram.getProgramHandle();
389	b7074bc6	Leszek Koltunski	mOITClearDepthH = GLES30.glGetUniformLocation( oitClearProgramH, "u_Depth");
390			mOITClearTexCorrH = GLES30.glGetUniformLocation( oitClearProgramH, "u_TexCorr");
391			mOITClearSizeH = GLES30.glGetUniformLocation( oitClearProgramH, "u_Size");
392	bfe45b4a	Leszek Koltunski
393			// OIT BUILD PROGRAM ////////////////////////////////////
394			final InputStream oitBuildVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
395			final InputStream oitBuildFragStream = resources.openRawResource(R.raw.oit_build_fragment_shader);
396
397			try
398			{
399	b7074bc6	Leszek Koltunski	mOITBuildProgram = new DistortedProgram(oitBuildVertStream,oitBuildFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
400	bfe45b4a	Leszek Koltunski	}
401			catch(Exception e)
402			{
403			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT BUILD program: "+e.getMessage());
404			throw new RuntimeException(e.getMessage());
405			}
406
407			int oitBuildProgramH = mOITBuildProgram.getProgramHandle();
408	b7074bc6	Leszek Koltunski	mOITBuildTextureH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Texture");
409			mOITBuildDepthTextureH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_DepthTexture");
410			mOITBuildDepthH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Depth");
411			mOITBuildTexCorrH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_TexCorr");
412			mOITBuildSizeH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Size");
413			mOITBuildNumRecordsH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_numRecords");
414	bfe45b4a	Leszek Koltunski
415			// OIT COLLAPSE PROGRAM ///////////////////////////
416			final InputStream oitCollapseVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
417			final InputStream oitCollapseFragStream = resources.openRawResource(R.raw.oit_collapse_fragment_shader);
418
419			try
420			{
421	b7074bc6	Leszek Koltunski	mOITCollapseProgram = new DistortedProgram(oitCollapseVertStream,oitCollapseFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
422	bfe45b4a	Leszek Koltunski	}
423			catch(Exception e)
424			{
425			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT COLLAPSE program: "+e.getMessage());
426			throw new RuntimeException(e.getMessage());
427			}
428
429			int oitCollapseProgramH = mOITCollapseProgram.getProgramHandle();
430	b7074bc6	Leszek Koltunski	mOITCollapseDepthTextureH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_DepthTexture");
431			mOITCollapseDepthH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_Depth");
432			mOITCollapseTexCorrH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_TexCorr");
433			mOITCollapseSizeH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_Size");
434	bfe45b4a	Leszek Koltunski
435			// OIT RENDER PROGRAM ///////////////////////////
436			final InputStream oitRenderVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
437			final InputStream oitRenderFragStream = resources.openRawResource(R.raw.oit_render_fragment_shader);
438
439			try
440			{
441	b7074bc6	Leszek Koltunski	mOITRenderProgram = new DistortedProgram(oitRenderVertStream,oitRenderFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
442	bfe45b4a	Leszek Koltunski	}
443			catch(Exception e)
444			{
445			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT RENDER program: "+e.getMessage());
446			throw new RuntimeException(e.getMessage());
447			}
448
449			int oitRenderProgramH = mOITRenderProgram.getProgramHandle();
450	b7074bc6	Leszek Koltunski	mOITRenderDepthH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_Depth");
451			mOITRenderTexCorrH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_TexCorr");
452			mOITRenderSizeH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_Size");
453	bfe45b4a	Leszek Koltunski	}
454
455			///////////////////////////////////////////////////////////////////////////////////////////////////
456
457			private static void displayNormals(EffectQueue[] queues, MeshBase mesh)
458			{
459			int num = mesh.getNumVertices();
460			int tfo = mesh.getTFO();
461
462	b7074bc6	Leszek Koltunski	GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfo );
463			GLES30.glBeginTransformFeedback( GLES30.GL_POINTS);
464	7602a827	Leszek Koltunski	InternalRenderState.switchOffDrawing();
465	b7074bc6	Leszek Koltunski	GLES30.glDrawArrays( GLES30.GL_POINTS, 0, num );
466	7602a827	Leszek Koltunski	InternalRenderState.restoreDrawing();
467	b7074bc6	Leszek Koltunski	GLES30.glEndTransformFeedback();
468			GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
469	bfe45b4a	Leszek Koltunski
470	f046b159	Leszek Koltunski	mNormalProgram.useProgram();
471			GLES30.glUniformMatrix4fv(mNormalMVPMatrixH, 1, false, EffectQueue.getMVP(queues) , 0);
472			mesh.bindTransformAttribs(mNormalProgram);
473	b7074bc6	Leszek Koltunski	GLES30.glLineWidth(8.0f);
474			GLES30.glDrawArrays(GLES30.GL_LINES, 0, 2*num);
475	bfe45b4a	Leszek Koltunski	}
476
477	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
478			// execute all VertexEffects and adjust all vertices
479
480	07206c71	Leszek Koltunski	public static void adjustVertices(MeshBase mesh, EffectQueueVertex queue)
481	f046b159	Leszek Koltunski	{
482			if( mFullProgram!=null )
483			{
484			int num = mesh.getNumVertices();
485			int tfo = mesh.getTFO();
486
487			mFullProgram.useProgram();
488			mesh.bindVertexAttribs(mFullProgram);
489	07206c71	Leszek Koltunski	queue.compute(1);
490			queue.send(0.0f,3);
491	36d65d88	Leszek Koltunski	mesh.send(3);
492	f046b159	Leszek Koltunski
493			GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfo );
494			GLES30.glBeginTransformFeedback( GLES30.GL_POINTS);
495			InternalRenderState.switchOffDrawing();
496			GLES30.glDrawArrays( GLES30.GL_POINTS, 0, num );
497			InternalRenderState.restoreDrawing();
498			GLES30.glEndTransformFeedback();
499			mesh.copyTransformToVertex();
500	b5be333a	Leszek Koltunski	GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
501	f046b159	Leszek Koltunski	}
502			}
503
504	bfe45b4a	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
505
506	c90aca24	Leszek Koltunski	static void drawPrivOIT(DistortedEffects effects, MeshBase mesh, InternalOutputSurface surface, long currTime)
507	bfe45b4a	Leszek Koltunski	{
508	c90aca24	Leszek Koltunski	EffectQueue[] queues = effects.getQueues();
509
510	644c21f2	Leszek Koltunski	EffectQueue.compute(queues, currTime);
511	b7074bc6	Leszek Koltunski	GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
512	bfe45b4a	Leszek Koltunski
513	7602a827	Leszek Koltunski	DistortedLibrary.mMainOITProgram.useProgram();
514	b7074bc6	Leszek Koltunski	GLES30.glUniform1i(DistortedLibrary.mMainOITTextureH, 0);
515			GLES30.glUniform2ui(DistortedLibrary.mMainOITSizeH, surface.mWidth, surface.mHeight);
516			GLES30.glUniform1ui(DistortedLibrary.mMainOITNumRecordsH, (int)(DistortedLibrary.mBufferSizesurface.mWidthsurface.mHeight) );
517	7602a827	Leszek Koltunski	mesh.bindVertexAttribs(DistortedLibrary.mMainOITProgram);
518	36d65d88	Leszek Koltunski	mesh.send(1);
519	bfe45b4a	Leszek Koltunski
520	809dcae3	Leszek Koltunski	float inflate = mesh.getInflate();
521			float distance = surface.mDistance;
522			float mipmap = surface.mMipmap;
523			float[] projection= surface.mProjectionMatrix;
524	bfe45b4a	Leszek Koltunski
525	23b733db	Leszek Koltunski	EffectQueue.send(queues, distance, mipmap, projection, inflate, mesh, 1 );
526	b7074bc6	Leszek Koltunski	GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, mesh.getNumVertices() );
527	bfe45b4a	Leszek Koltunski
528			if( mesh.getShowNormals() )
529			{
530	7602a827	Leszek Koltunski	DistortedLibrary.mMainProgram.useProgram();
531	36d65d88	Leszek Koltunski	mesh.send(0);
532	23b733db	Leszek Koltunski	EffectQueue.send(queues, distance, mipmap, projection, inflate, mesh, 0 );
533	bfe45b4a	Leszek Koltunski	displayNormals(queues,mesh);
534			}
535			}
536
537			///////////////////////////////////////////////////////////////////////////////////////////////////
538
539	c90aca24	Leszek Koltunski	static void drawPriv(DistortedEffects effects, MeshBase mesh, InternalOutputSurface surface, long currTime)
540	bfe45b4a	Leszek Koltunski	{
541	f046b159	Leszek Koltunski	if( mMainProgram!=null )
542	f482efa3	Leszek Koltunski	{
543			EffectQueue[] queues = effects.getQueues();
544	bfe45b4a	Leszek Koltunski
545	f482efa3	Leszek Koltunski	EffectQueue.compute(queues, currTime);
546			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
547	46b572b5	Leszek Koltunski
548	f482efa3	Leszek Koltunski	mMainProgram.useProgram();
549			GLES30.glUniform1i(DistortedLibrary.mMainTextureH, 0);
550			mesh.bindVertexAttribs(DistortedLibrary.mMainProgram);
551	36d65d88	Leszek Koltunski	mesh.send(0);
552	809dcae3	Leszek Koltunski
553	f482efa3	Leszek Koltunski	float inflate = mesh.getInflate();
554			float distance = surface.mDistance;
555			float mipmap = surface.mMipmap;
556			float[] projection= surface.mProjectionMatrix;
557	809dcae3	Leszek Koltunski
558	f482efa3	Leszek Koltunski	EffectQueue.send(queues, distance, mipmap, projection, inflate, mesh, 0 );
559			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, mesh.getNumVertices() );
560	bfe45b4a	Leszek Koltunski
561	f482efa3	Leszek Koltunski	if( mesh.getShowNormals() ) displayNormals(queues,mesh);
562			}
563	bfe45b4a	Leszek Koltunski	}
564
565			///////////////////////////////////////////////////////////////////////////////////////////////////
566
567	7602a827	Leszek Koltunski	static void blitPriv(InternalOutputSurface surface)
568	bfe45b4a	Leszek Koltunski	{
569	f482efa3	Leszek Koltunski	if( mBlitProgram!=null )
570			{
571			mBlitProgram.useProgram();
572	bfe45b4a	Leszek Koltunski
573	f482efa3	Leszek Koltunski	GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
574			GLES30.glUniform1i(mBlitTextureH, 0);
575			GLES30.glUniform1f( mBlitDepthH , 1.0f-surface.mNear);
576			GLES30.glVertexAttribPointer(mBlitProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
577			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
578			}
579	bfe45b4a	Leszek Koltunski	}
580
581			///////////////////////////////////////////////////////////////////////////////////////////////////
582
583	7602a827	Leszek Koltunski	static void blitDepthPriv(InternalOutputSurface surface, float corrW, float corrH)
584	bfe45b4a	Leszek Koltunski	{
585	f482efa3	Leszek Koltunski	if( mBlitDepthProgram!=null )
586			{
587			mBlitDepthProgram.useProgram();
588
589			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
590			GLES30.glUniform1i(mBlitDepthTextureH, 0);
591			GLES30.glUniform1i(mBlitDepthDepthTextureH, 1);
592			GLES30.glUniform2f(mBlitDepthTexCorrH, corrW, corrH );
593			GLES30.glUniform1f( mBlitDepthDepthH , 1.0f-surface.mNear);
594			GLES30.glVertexAttribPointer(mBlitDepthProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
595			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
596			}
597	bfe45b4a	Leszek Koltunski	}
598
599			///////////////////////////////////////////////////////////////////////////////////////////////////
600	b7074bc6	Leszek Koltunski	// yes it is safe to be mixing 3.0 and 3.1 like that, senior members of the OpenGL discussions forum assert
601	bfe45b4a	Leszek Koltunski
602			private static int printPreviousBuffer()
603			{
604			int counter = 0;
605
606	b7074bc6	Leszek Koltunski	ByteBuffer atomicBuf = (ByteBuffer)GLES30.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
607			GLES30.GL_MAP_READ_BIT);
608	bfe45b4a	Leszek Koltunski	if( atomicBuf!=null )
609			{
610			IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
611			counter = atomicIntBuf.get(0);
612			}
613			else
614			{
615	b7074bc6	Leszek Koltunski	Log.e("effects", "print: failed to map atomic buffer");
616	bfe45b4a	Leszek Koltunski	}
617
618	b7074bc6	Leszek Koltunski	GLES30.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
619	bfe45b4a	Leszek Koltunski
620			return counter;
621			}
622
623			///////////////////////////////////////////////////////////////////////////////////////////////////
624
625			private static void zeroBuffer()
626			{
627	b7074bc6	Leszek Koltunski	ByteBuffer atomicBuf = (ByteBuffer)GLES30.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
628			GLES30.GL_MAP_WRITE_BIT\|GLES30.GL_MAP_INVALIDATE_BUFFER_BIT);
629	bfe45b4a	Leszek Koltunski	if( atomicBuf!=null )
630			{
631			IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
632			atomicIntBuf.put(0,0);
633			}
634			else
635			{
636	b7074bc6	Leszek Koltunski	Log.e("effects", "zero: failed to map atomic buffer");
637	bfe45b4a	Leszek Koltunski	}
638
639	b7074bc6	Leszek Koltunski	GLES30.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
640	bfe45b4a	Leszek Koltunski	}
641
642			///////////////////////////////////////////////////////////////////////////////////////////////////
643			// reset atomic counter to 0
644
645			static int zeroOutAtomic()
646			{
647			int counter = 0;
648
649			if( mAtomicCounter[0]<0 )
650			{
651	b7074bc6	Leszek Koltunski	GLES30.glGenBuffers(DistortedLibrary.FBO_QUEUE_SIZE,mAtomicCounter,0);
652	bfe45b4a	Leszek Koltunski
653	7602a827	Leszek Koltunski	for(int i = 0; i< DistortedLibrary.FBO_QUEUE_SIZE; i++)
654	bfe45b4a	Leszek Koltunski	{
655	b7074bc6	Leszek Koltunski	GLES30.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[i]);
656			GLES30.glBufferData(GLES31.GL_ATOMIC_COUNTER_BUFFER, 4, null, GLES30.GL_DYNAMIC_DRAW);
657	bfe45b4a	Leszek Koltunski	zeroBuffer();
658			}
659			}
660
661			// reading the value of the buffer on every frame would slow down rendering by
662	f953bee0	Leszek Koltunski	// dialog_about 3%; doing it only once every 5 frames affects speed by less than 1%.
663	bfe45b4a	Leszek Koltunski	if( mCurrBuffer==0 )
664			{
665	b7074bc6	Leszek Koltunski	GLES30.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[mCurrBuffer]);
666	bfe45b4a	Leszek Koltunski	counter = printPreviousBuffer();
667			}
668
669	7602a827	Leszek Koltunski	if( ++mCurrBuffer>= DistortedLibrary.FBO_QUEUE_SIZE ) mCurrBuffer = 0;
670	bfe45b4a	Leszek Koltunski
671	b7074bc6	Leszek Koltunski	GLES30.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[mCurrBuffer]);
672	bfe45b4a	Leszek Koltunski	zeroBuffer();
673
674			return counter;
675			}
676
677			///////////////////////////////////////////////////////////////////////////////////////////////////
678	809dcae3	Leszek Koltunski	// Pass1 of the OIT algorithm. Clear per-pixel head-pointers.
679	bfe45b4a	Leszek Koltunski
680	7602a827	Leszek Koltunski	static void oitClear(InternalOutputSurface surface, int counter)
681	bfe45b4a	Leszek Koltunski	{
682	f482efa3	Leszek Koltunski	if( mOITClearProgram!=null )
683	bfe45b4a	Leszek Koltunski	{
684	f482efa3	Leszek Koltunski	if( mLinkedListSSBO[0]<0 )
685			{
686			GLES30.glGenBuffers(1,mLinkedListSSBO,0);
687	bfe45b4a	Leszek Koltunski
688	f482efa3	Leszek Koltunski	int size = (int)(surface.mWidthsurface.mHeight(3mBufferSize+1)4);
689			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
690			GLES30.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, size, null, GLES30.GL_DYNAMIC_READ\|GLES30.GL_DYNAMIC_DRAW);
691			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
692	bfe45b4a	Leszek Koltunski
693	f482efa3	Leszek Koltunski	GLES30.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER, 1, mLinkedListSSBO[0]);
694			}
695	bfe45b4a	Leszek Koltunski
696	f482efa3	Leszek Koltunski	// See if we have overflown the SSBO in one of the previous frames.
697			// If yes, assume we need to make the SSBO larger.
698			float overflow = counter/(mBufferSizesurface.mWidthsurface.mHeight);
699	bfe45b4a	Leszek Koltunski
700	f482efa3	Leszek Koltunski	if( overflow>1.0f )
701			{
702			//android.util.Log.e("effects", "previous frame rendered "+counter+
703			// " fragments, but there was only "+(mBufferSizesurface.mWidthsurface.mHeight)+" space");
704
705			mBufferSize *= (int)(overflow+1.0f);
706			int size = (int)(surface.mWidthsurface.mHeight(3mBufferSize+1)4);
707			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
708			GLES30.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, size, null, GLES30.GL_DYNAMIC_READ\|GLES30.GL_DYNAMIC_DRAW);
709			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
710			}
711	bfe45b4a	Leszek Koltunski
712	f482efa3	Leszek Koltunski	mOITClearProgram.useProgram();
713	bfe45b4a	Leszek Koltunski
714	f482efa3	Leszek Koltunski	GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
715			GLES30.glUniform2f(mOITClearTexCorrH, 1.0f, 1.0f ); // corrections do not really matter here - only present because of common vertex shader.
716			GLES30.glUniform1f( mOITClearDepthH , 1.0f); // likewise depth
717			GLES30.glUniform2ui(mOITClearSizeH, surface.mWidth, surface.mHeight);
718			GLES30.glVertexAttribPointer(mOITClearProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
719			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
720			}
721	bfe45b4a	Leszek Koltunski	}
722
723			///////////////////////////////////////////////////////////////////////////////////////////////////
724			// Pass2 of the OIT algorithm - build per-pixel linked lists.
725
726	7602a827	Leszek Koltunski	static void oitBuild(InternalOutputSurface surface, float corrW, float corrH)
727	bfe45b4a	Leszek Koltunski	{
728	f482efa3	Leszek Koltunski	if( mOITBuildProgram!=null )
729			{
730			mOITBuildProgram.useProgram();
731
732			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
733			GLES30.glUniform1i(mOITBuildTextureH, 0);
734			GLES30.glUniform1i(mOITBuildDepthTextureH, 1);
735			GLES30.glUniform2f(mOITBuildTexCorrH, corrW, corrH );
736			GLES30.glUniform2ui(mOITBuildSizeH, surface.mWidth, surface.mHeight);
737			GLES30.glUniform1ui(mOITBuildNumRecordsH, (int)(mBufferSizesurface.mWidthsurface.mHeight) );
738			GLES30.glUniform1f(mOITBuildDepthH , 1.0f-surface.mNear);
739			GLES30.glVertexAttribPointer(mOITBuildProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
740			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
741			}
742	bfe45b4a	Leszek Koltunski	}
743
744			///////////////////////////////////////////////////////////////////////////////////////////////////
745			// Pass3 of the OIT algorithm. Cut occluded parts of the linked list.
746
747	7602a827	Leszek Koltunski	static void oitCollapse(InternalOutputSurface surface, float corrW, float corrH)
748	bfe45b4a	Leszek Koltunski	{
749	f482efa3	Leszek Koltunski	if( mOITCollapseProgram!=null )
750			{
751			mOITCollapseProgram.useProgram();
752
753			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
754			GLES30.glUniform1i(mOITCollapseDepthTextureH, 1);
755			GLES30.glUniform2f(mOITCollapseTexCorrH, corrW, corrH );
756			GLES30.glUniform2ui(mOITCollapseSizeH, surface.mWidth, surface.mHeight);
757			GLES30.glUniform1f( mOITCollapseDepthH , 1.0f-surface.mNear);
758			GLES30.glVertexAttribPointer(mOITCollapseProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
759			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
760			}
761	bfe45b4a	Leszek Koltunski	}
762
763			///////////////////////////////////////////////////////////////////////////////////////////////////
764			// Pass4 of the OIT algorithm. Render all the transparent pixels from the per-pixel linked lists.
765
766	7602a827	Leszek Koltunski	static void oitRender(InternalOutputSurface surface, float corrW, float corrH)
767	bfe45b4a	Leszek Koltunski	{
768	f482efa3	Leszek Koltunski	if( mOITRenderProgram!=null )
769			{
770			mOITRenderProgram.useProgram();
771
772			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
773			GLES30.glUniform2f(mOITRenderTexCorrH, corrW, corrH );
774			GLES30.glUniform2ui(mOITRenderSizeH, surface.mWidth, surface.mHeight);
775			GLES30.glUniform1f( mOITRenderDepthH , 1.0f-surface.mNear);
776			GLES30.glVertexAttribPointer(mOITRenderProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
777			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
778			}
779	bfe45b4a	Leszek Koltunski	}
780
781			///////////////////////////////////////////////////////////////////////////////////////////////////
782
783			static void setSSBOSize(float size)
784			{
785			mBufferSize = size;
786			}
787
788	edea9cf3	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
789			// ARM Mali driver r12 has problems when we keep swapping many FBOs (fixed in r22)
790	b7074bc6	Leszek Koltunski	// PowerVR GE8100 / GE8300 compiler fails to compile OIT programs.
791	edea9cf3	Leszek Koltunski
792	c43abe6c	Leszek Koltunski	private static void detectBuggyDrivers()
793	edea9cf3	Leszek Koltunski	{
794	b7074bc6	Leszek Koltunski	String vendor = GLES30.glGetString(GLES30.GL_VENDOR);
795			String version = GLES30.glGetString(GLES30.GL_VERSION);
796			String renderer= GLES30.glGetString(GLES30.GL_RENDERER);
797	edea9cf3	Leszek Koltunski
798			/*
799	b7074bc6	Leszek Koltunski	android.util.Log.e("DISTORTED", "GLSL Version "+GLES30.glGetString(GLES31.GL_SHADING_LANGUAGE_VERSION));
800			android.util.Log.e("DISTORTED", "GL Version " +GLES30.glGetString(GLES31.GL_VERSION));
801			android.util.Log.e("DISTORTED", "GL Vendor " +GLES30.glGetString(GLES31.GL_VENDOR));
802			android.util.Log.e("DISTORTED", "GL Renderer " +GLES30.glGetString(GLES31.GL_RENDERER));
803	edea9cf3	Leszek Koltunski	*/
804
805			if( vendor.contains("ARM") )
806			{
807			if( version.contains("r12") )
808			{
809	b7074bc6	Leszek Koltunski	Log.e("DISTORTED", "You are running this on a ARM Mali driver r12.\nThis is a buggy driver, please update to r22. Problems with flashing expected.");
810	edea9cf3	Leszek Koltunski	}
811			}
812			else if( vendor.contains("Imagination") )
813			{
814			if( renderer.contains("GE8") )
815			{
816	b7074bc6	Leszek Koltunski	Log.e("DISTORTED", "You are running this on a PowerVR GE8XXX.\nDue to a buggy compiler OIT rendering will not work");
817	a79650a2	Leszek Koltunski	Log.e("DISTORTED", "GLSL Version "+GLES30.glGetString(GLES31.GL_SHADING_LANGUAGE_VERSION));
818	edea9cf3	Leszek Koltunski	}
819			}
820			}
821
822	b7074bc6	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
823			/**
824			* Return OpenGL ES version supported by the hardware we are running on.
825	60fdf71d	Leszek Koltunski	* There are only three possibilities: 300 (OpenGL ES 3.0) or 310 (at least OpenGL ES 3.1)
826			* or 200 (OpenGL ES 2.0)
827	b7074bc6	Leszek Koltunski	*/
828	60fdf71d	Leszek Koltunski	public static int getGLSL()
829	b7074bc6	Leszek Koltunski	{
830			return mGLSL;
831			}
832
833			///////////////////////////////////////////////////////////////////////////////////////////////////
834			/**
835			* Have we successfully managed to compile the OIT programs?
836			* Some hardware ( Imagination GE8100 / 8300, driver build 1.8@4490469 present in my HTC phone and,
837			* sadly, Amazon Fire Stick 4K ) fails to compile the shaders. See relevant thread in Imagination's
838			* support forum:
839			*
840			* https://forums.imgtec.com/t/ge8100-in-htc-desire-12-android-7-1-1-fragment-shader-fails-to-compile/2708
841			*/
842			public static boolean OITCompilationSuccessful()
843			{
844			return mOITCompilationSuccessful;
845			}
846
847	421c2728	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
848	310e14fb	leszek	/**
849			* Have we called onCreate yet, ie have we initialized the library?
850	1dfc9074	leszek	* @return <code>true</code> if the library is initialized and ready for action.
851	310e14fb	leszek	*/
852			public static boolean isInitialized()
853	421c2728	Leszek Koltunski	{
854	55c14a19	Leszek Koltunski	return mInitialized;
855	421c2728	Leszek Koltunski	}
856
857	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
858			/**
859	c43abe6c	Leszek Koltunski	* When OpenGL context gets created, call this method so that the library can initialise its internal data structures.
860	432442f9	Leszek Koltunski	* I.e. best called from GLSurfaceView.onCreate().
861	6a06a912	Leszek Koltunski	* <p>
862	432442f9	Leszek Koltunski	* Needs to be called from a thread holding the OpenGL context.
863	6a06a912	Leszek Koltunski	*
864	015642fb	Leszek Koltunski	* @param context Context of the App using the library - used to open up Resources and read Shader code.
865	6a06a912	Leszek Koltunski	*/
866	edea9cf3	Leszek Koltunski	public static void onCreate(final Context context) throws Exception
867	d6e94c84	Leszek Koltunski	{
868	30beb34f	Leszek Koltunski	final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
869			final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
870	b7074bc6	Leszek Koltunski
871			int glESversion = configurationInfo.reqGlEsVersion;
872			int major = glESversion >> 16;
873			int minor = glESversion & 0xff;
874
875			if( major< 3 )
876			{
877			mGLSL = 100major + 10minor;
878			throw new VertexCompilationException("at least OpenGL ES 3.0 required, this device supports only "+major+"."+minor);
879			}
880			else
881			{
882			mGLSL = (major==3 && minor==0) ? 300 : 310;
883			}
884
885			android.util.Log.e("DISTORTED", "Using OpenGL ES "+major+"."+minor);
886			mGLSL_VERSION = "#version "+mGLSL+" es\n";
887	edea9cf3	Leszek Koltunski
888			mInitialized = true;
889	b7074bc6	Leszek Koltunski	mOITCompilationSuccessful = false;
890	edea9cf3	Leszek Koltunski
891			detectBuggyDrivers();
892
893	0e924ba5	Leszek Koltunski	EffectMessageSender.startSending();
894
895	d6e94c84	Leszek Koltunski	final Resources resources = context.getResources();
896	c90b9e01	Leszek Koltunski
897	edea9cf3	Leszek Koltunski	Exception exception=null;
898
899			try
900			{
901	bfe45b4a	Leszek Koltunski	createPrograms(resources);
902	edea9cf3	Leszek Koltunski	}
903			catch(Exception ex)
904			{
905			exception = ex;
906			}
907
908	f046b159	Leszek Koltunski	try
909			{
910			createFullProgram(resources);
911			}
912			catch(Exception ex)
913			{
914			exception = ex;
915			}
916
917	b7074bc6	Leszek Koltunski	if( mGLSL>=310)
918	edea9cf3	Leszek Koltunski	{
919	b7074bc6	Leszek Koltunski	try
920			{
921			createProgramsOIT(resources);
922			mOITCompilationSuccessful = true;
923			}
924			catch(Exception ex)
925			{
926			exception = ex;
927			}
928	edea9cf3	Leszek Koltunski	}
929
930	a13dde77	Leszek Koltunski	try
931			{
932	b7074bc6	Leszek Koltunski	EffectQueuePostprocess.createPrograms(resources, mGLSL);
933	a13dde77	Leszek Koltunski	}
934			catch(Exception ex)
935			{
936			exception = ex;
937			}
938
939	edea9cf3	Leszek Koltunski	try
940			{
941	b7074bc6	Leszek Koltunski	PostprocessEffect.createPrograms(mGLSL);
942	edea9cf3	Leszek Koltunski	}
943			catch(Exception ex)
944			{
945			exception = ex;
946			}
947
948			if( exception!=null)
949			{
950			throw exception;
951			}
952	6a06a912	Leszek Koltunski	}
953
954	05ecc6fe	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
955			/**
956	78e89fb5	Leszek Koltunski	* Call this so that the Library can release the OpenGL related data that needs to be recreated.
957	05ecc6fe	Leszek Koltunski	* Must be called from Activity.onPause().
958			*/
959			public static void onPause()
960			{
961	7602a827	Leszek Koltunski	InternalObject.onPause();
962	bfe45b4a	Leszek Koltunski
963			mLinkedListSSBO[0]= -1;
964
965	7602a827	Leszek Koltunski	for(int i = 0; i< DistortedLibrary.FBO_QUEUE_SIZE; i++) mAtomicCounter[i] = -1;
966	05ecc6fe	Leszek Koltunski	}
967
968	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
969			/**
970			* Call this so that the Library can release its internal data structures.
971			* Must be called from Activity.onDestroy().
972			*/
973			public static void onDestroy()
974			{
975	7602a827	Leszek Koltunski	InternalObject.onDestroy();
976			InternalNodeData.onDestroy();
977			InternalMaster.onDestroy();
978			InternalOutputSurface.onDestroy();
979	46b572b5	Leszek Koltunski	DistortedEffects.onDestroy();
980	42571056	Leszek Koltunski	EffectQueue.onDestroy();
981	26a4e5f6	leszek	Effect.onDestroy();
982	07206c71	Leszek Koltunski	DeferredJobs.onDestroy();
983	6a06a912	Leszek Koltunski	EffectMessageSender.stopSending();
984	f8686932	Leszek Koltunski
985	55c14a19	Leszek Koltunski	mInitialized = false;
986	6a06a912	Leszek Koltunski	}
987	bfe45b4a	Leszek Koltunski
988			///////////////////////////////////////////////////////////////////////////////////////////////////
989			/**
990			* Returns the maximum number of effects of a given type that can be simultaneously applied to a
991			* single (InputSurface,MeshBase) combo.
992			*
993			* @param type {@link EffectType}
994			* @return The maximum number of effects of a given type.
995			*/
996			@SuppressWarnings("unused")
997			public static int getMax(EffectType type)
998			{
999			return EffectQueue.getMax(type.ordinal());
1000			}
1001
1002			///////////////////////////////////////////////////////////////////////////////////////////////////
1003			/**
1004			* Sets the maximum number of effects that can be stored in a single EffectQueue at one time.
1005			* This can fail if:
1006			* <ul>
1007			* <li>the value of 'max' is outside permitted range (0 ≤ max ≤ Byte.MAX_VALUE)
1008			* <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
1009	7602a827	Leszek Koltunski	* before the Vertex Shader gets compiled, i.e. before the call to {@link DistortedLibrary#onCreate}. After this
1010	bfe45b4a	Leszek Koltunski	* time only decreasing the value of 'max' is permitted.
1011			* <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
1012			* </ul>
1013			*
1014			* @param type {@link EffectType}
1015			* @param max new maximum number of simultaneous effects. Has to be a non-negative number not greater
1016			* than Byte.MAX_VALUE
1017			* @return <code>true</code> if operation was successful, <code>false</code> otherwise.
1018			*/
1019			@SuppressWarnings("unused")
1020			public static boolean setMax(EffectType type, int max)
1021			{
1022			return EffectQueue.setMax(type.ordinal(),max);
1023			}
1024	f8f6d457	leszek	}

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library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 93aa7e5a