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

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ f046b159

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

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library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ f046b159