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

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 36d65d88

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	36d65d88	Leszek Koltunski
219			mainVertHeader += "#define MAX_COMPON " + MeshBase.getMaxComponents() + "\n";
220
221	bfe45b4a	Leszek Koltunski	String enabledEffectV= VertexEffect.getGLSL();
222			String enabledEffectF= FragmentEffect.getGLSL();
223
224			String[] feedback = { "v_Position", "v_endPosition" };
225
226			try
227			{
228			mMainProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
229	b7074bc6	Leszek Koltunski	enabledEffectV, enabledEffectF, mGLSL, feedback);
230	bfe45b4a	Leszek Koltunski	}
231			catch(Exception e)
232			{
233			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN program: "+e.getMessage());
234			throw new RuntimeException(e.getMessage());
235			}
236
237			int mainProgramH = mMainProgram.getProgramHandle();
238			EffectQueue.getUniforms(mainProgramH,0);
239	36d65d88	Leszek Koltunski	MeshBase.getUniforms(mainProgramH,0);
240	b7074bc6	Leszek Koltunski	mMainTextureH= GLES30.glGetUniformLocation( mainProgramH, "u_Texture");
241	bfe45b4a	Leszek Koltunski
242			// BLIT PROGRAM ////////////////////////////////////
243			final InputStream blitVertStream = resources.openRawResource(R.raw.blit_vertex_shader);
244			final InputStream blitFragStream = resources.openRawResource(R.raw.blit_fragment_shader);
245
246			try
247			{
248	b7074bc6	Leszek Koltunski	mBlitProgram = new DistortedProgram(blitVertStream,blitFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
249	bfe45b4a	Leszek Koltunski	}
250			catch(Exception e)
251			{
252			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT program: "+e.getMessage());
253			throw new RuntimeException(e.getMessage());
254			}
255
256			int blitProgramH = mBlitProgram.getProgramHandle();
257	b7074bc6	Leszek Koltunski	mBlitTextureH = GLES30.glGetUniformLocation( blitProgramH, "u_Texture");
258			mBlitDepthH = GLES30.glGetUniformLocation( blitProgramH, "u_Depth");
259	bfe45b4a	Leszek Koltunski
260			// BLIT DEPTH PROGRAM ////////////////////////////////////
261			final InputStream blitDepthVertStream = resources.openRawResource(R.raw.blit_depth_vertex_shader);
262			final InputStream blitDepthFragStream = resources.openRawResource(R.raw.blit_depth_fragment_shader);
263
264			try
265			{
266	b7074bc6	Leszek Koltunski	mBlitDepthProgram = new DistortedProgram(blitDepthVertStream,blitDepthFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
267	bfe45b4a	Leszek Koltunski	}
268			catch(Exception e)
269			{
270			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT DEPTH program: "+e.getMessage());
271			throw new RuntimeException(e.getMessage());
272			}
273
274			int blitDepthProgramH = mBlitDepthProgram.getProgramHandle();
275	b7074bc6	Leszek Koltunski	mBlitDepthTextureH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_Texture");
276			mBlitDepthDepthTextureH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_DepthTexture");
277			mBlitDepthDepthH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_Depth");
278			mBlitDepthTexCorrH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_TexCorr");
279	bfe45b4a	Leszek Koltunski
280			// NORMAL PROGRAM //////////////////////////////////////
281			final InputStream normalVertexStream = resources.openRawResource(R.raw.normal_vertex_shader);
282			final InputStream normalFragmentStream = resources.openRawResource(R.raw.normal_fragment_shader);
283
284			try
285			{
286	b7074bc6	Leszek Koltunski	mNormalProgram = new DistortedProgram(normalVertexStream,normalFragmentStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
287	bfe45b4a	Leszek Koltunski	}
288			catch(Exception e)
289			{
290			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile NORMAL program: "+e.getMessage());
291			throw new RuntimeException(e.getMessage());
292			}
293
294			int normalProgramH = mNormalProgram.getProgramHandle();
295	b7074bc6	Leszek Koltunski	mNormalMVPMatrixH = GLES30.glGetUniformLocation( normalProgramH, "u_MVPMatrix");
296	bfe45b4a	Leszek Koltunski	}
297
298	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
299
300			private static void createFullProgram(Resources resources)
301			{
302			final InputStream fullVertStream = resources.openRawResource(R.raw.main_vertex_shader);
303			final InputStream fullFragStream = resources.openRawResource(R.raw.main_fragment_shader);
304
305			int numV = VertexEffect.getAllEnabled();
306
307			String fullVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n");
308			String fullFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + 0 + "\n");
309	36d65d88	Leszek Koltunski
310			fullVertHeader += "#define MAX_COMPON " + MeshBase.getMaxComponents() + "\n";
311
312	f046b159	Leszek Koltunski	String enabledEffectV= VertexEffect.getAllGLSL();
313			String enabledEffectF= "{}";
314
315	667884b0	Leszek Koltunski	fullVertHeader += "#define PREAPPLY\n";
316
317	e54bfada	Leszek Koltunski	String[] feedback = { "v_Position", "v_endPosition", "v_Inflate" };
318	f046b159	Leszek Koltunski
319			try
320			{
321			mFullProgram = new DistortedProgram(fullVertStream, fullFragStream, fullVertHeader, fullFragHeader,
322			enabledEffectV, enabledEffectF, mGLSL, feedback);
323			}
324			catch(Exception e)
325			{
326			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile FULL program: "+e.getMessage());
327			throw new RuntimeException(e.getMessage());
328			}
329
330			int fullProgramH = mFullProgram.getProgramHandle();
331			EffectQueue.getUniforms(fullProgramH,3);
332	36d65d88	Leszek Koltunski	MeshBase.getUniforms(fullProgramH,3);
333	f046b159	Leszek Koltunski	}
334
335	bfe45b4a	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
336
337	809dcae3	Leszek Koltunski	private static void createProgramsOIT(Resources resources)
338	bfe45b4a	Leszek Koltunski	{
339			// MAIN OIT PROGRAM ////////////////////////////////
340			final InputStream mainVertStream = resources.openRawResource(R.raw.main_vertex_shader);
341			final InputStream mainFragStream = resources.openRawResource(R.raw.main_fragment_shader);
342
343			int numF = FragmentEffect.getNumEnabled();
344			int numV = VertexEffect.getNumEnabled();
345
346	b7074bc6	Leszek Koltunski	String mainVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n") + ("#define OIT\n");
347			String mainFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + ( numF>0 ? getMax(EffectType.FRAGMENT) : 0 ) + "\n") + ("#define OIT\n");
348	bfe45b4a	Leszek Koltunski
349	36d65d88	Leszek Koltunski	mainVertHeader += "#define MAX_COMPON " + MeshBase.getMaxComponents() + "\n";
350
351	bfe45b4a	Leszek Koltunski	String enabledEffectV= VertexEffect.getGLSL();
352			String enabledEffectF= FragmentEffect.getGLSL();
353
354			try
355			{
356			mMainOITProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
357	b7074bc6	Leszek Koltunski	enabledEffectV, enabledEffectF, mGLSL, null);
358	bfe45b4a	Leszek Koltunski	}
359			catch(Exception e)
360			{
361			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN OIT program: "+e.getMessage());
362			throw new RuntimeException(e.getMessage());
363			}
364
365			int mainOITProgramH = mMainOITProgram.getProgramHandle();
366			EffectQueue.getUniforms(mainOITProgramH,1);
367	36d65d88	Leszek Koltunski	MeshBase.getUniforms(mainOITProgramH,1);
368	b7074bc6	Leszek Koltunski	mMainOITTextureH = GLES30.glGetUniformLocation( mainOITProgramH, "u_Texture");
369			mMainOITSizeH = GLES30.glGetUniformLocation( mainOITProgramH, "u_Size");
370			mMainOITNumRecordsH = GLES30.glGetUniformLocation( mainOITProgramH, "u_numRecords");
371	bfe45b4a	Leszek Koltunski
372			// OIT CLEAR PROGRAM ////////////////////////////////////
373			final InputStream oitClearVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
374			final InputStream oitClearFragStream = resources.openRawResource(R.raw.oit_clear_fragment_shader);
375
376			try
377			{
378	b7074bc6	Leszek Koltunski	mOITClearProgram = new DistortedProgram(oitClearVertStream,oitClearFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
379	bfe45b4a	Leszek Koltunski	}
380			catch(Exception e)
381			{
382			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT CLEAR program: "+e.getMessage());
383			throw new RuntimeException(e.getMessage());
384			}
385
386			int oitClearProgramH = mOITClearProgram.getProgramHandle();
387	b7074bc6	Leszek Koltunski	mOITClearDepthH = GLES30.glGetUniformLocation( oitClearProgramH, "u_Depth");
388			mOITClearTexCorrH = GLES30.glGetUniformLocation( oitClearProgramH, "u_TexCorr");
389			mOITClearSizeH = GLES30.glGetUniformLocation( oitClearProgramH, "u_Size");
390	bfe45b4a	Leszek Koltunski
391			// OIT BUILD PROGRAM ////////////////////////////////////
392			final InputStream oitBuildVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
393			final InputStream oitBuildFragStream = resources.openRawResource(R.raw.oit_build_fragment_shader);
394
395			try
396			{
397	b7074bc6	Leszek Koltunski	mOITBuildProgram = new DistortedProgram(oitBuildVertStream,oitBuildFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
398	bfe45b4a	Leszek Koltunski	}
399			catch(Exception e)
400			{
401			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT BUILD program: "+e.getMessage());
402			throw new RuntimeException(e.getMessage());
403			}
404
405			int oitBuildProgramH = mOITBuildProgram.getProgramHandle();
406	b7074bc6	Leszek Koltunski	mOITBuildTextureH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Texture");
407			mOITBuildDepthTextureH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_DepthTexture");
408			mOITBuildDepthH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Depth");
409			mOITBuildTexCorrH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_TexCorr");
410			mOITBuildSizeH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Size");
411			mOITBuildNumRecordsH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_numRecords");
412	bfe45b4a	Leszek Koltunski
413			// OIT COLLAPSE PROGRAM ///////////////////////////
414			final InputStream oitCollapseVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
415			final InputStream oitCollapseFragStream = resources.openRawResource(R.raw.oit_collapse_fragment_shader);
416
417			try
418			{
419	b7074bc6	Leszek Koltunski	mOITCollapseProgram = new DistortedProgram(oitCollapseVertStream,oitCollapseFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
420	bfe45b4a	Leszek Koltunski	}
421			catch(Exception e)
422			{
423			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT COLLAPSE program: "+e.getMessage());
424			throw new RuntimeException(e.getMessage());
425			}
426
427			int oitCollapseProgramH = mOITCollapseProgram.getProgramHandle();
428	b7074bc6	Leszek Koltunski	mOITCollapseDepthTextureH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_DepthTexture");
429			mOITCollapseDepthH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_Depth");
430			mOITCollapseTexCorrH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_TexCorr");
431			mOITCollapseSizeH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_Size");
432	bfe45b4a	Leszek Koltunski
433			// OIT RENDER PROGRAM ///////////////////////////
434			final InputStream oitRenderVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
435			final InputStream oitRenderFragStream = resources.openRawResource(R.raw.oit_render_fragment_shader);
436
437			try
438			{
439	b7074bc6	Leszek Koltunski	mOITRenderProgram = new DistortedProgram(oitRenderVertStream,oitRenderFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
440	bfe45b4a	Leszek Koltunski	}
441			catch(Exception e)
442			{
443			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT RENDER program: "+e.getMessage());
444			throw new RuntimeException(e.getMessage());
445			}
446
447			int oitRenderProgramH = mOITRenderProgram.getProgramHandle();
448	b7074bc6	Leszek Koltunski	mOITRenderDepthH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_Depth");
449			mOITRenderTexCorrH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_TexCorr");
450			mOITRenderSizeH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_Size");
451	bfe45b4a	Leszek Koltunski	}
452
453			///////////////////////////////////////////////////////////////////////////////////////////////////
454
455			private static void displayNormals(EffectQueue[] queues, MeshBase mesh)
456			{
457			int num = mesh.getNumVertices();
458			int tfo = mesh.getTFO();
459
460	b7074bc6	Leszek Koltunski	GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfo );
461			GLES30.glBeginTransformFeedback( GLES30.GL_POINTS);
462	7602a827	Leszek Koltunski	InternalRenderState.switchOffDrawing();
463	b7074bc6	Leszek Koltunski	GLES30.glDrawArrays( GLES30.GL_POINTS, 0, num );
464	7602a827	Leszek Koltunski	InternalRenderState.restoreDrawing();
465	b7074bc6	Leszek Koltunski	GLES30.glEndTransformFeedback();
466			GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
467	bfe45b4a	Leszek Koltunski
468	f046b159	Leszek Koltunski	mNormalProgram.useProgram();
469			GLES30.glUniformMatrix4fv(mNormalMVPMatrixH, 1, false, EffectQueue.getMVP(queues) , 0);
470			mesh.bindTransformAttribs(mNormalProgram);
471	b7074bc6	Leszek Koltunski	GLES30.glLineWidth(8.0f);
472			GLES30.glDrawArrays(GLES30.GL_LINES, 0, 2*num);
473	bfe45b4a	Leszek Koltunski	}
474
475	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
476			// execute all VertexEffects and adjust all vertices
477
478			public static void adjustVertices(MeshBase mesh)
479			{
480			if( mFullProgram!=null )
481			{
482	36d65d88	Leszek Koltunski	GLES30.glViewport(0, 0, 500, 500 ); // this is fine, we don't need viewport at all
483	f046b159	Leszek Koltunski
484			int num = mesh.getNumVertices();
485			int tfo = mesh.getTFO();
486
487			mFullProgram.useProgram();
488			mesh.bindVertexAttribs(mFullProgram);
489			mesh.computeQueue();
490			mesh.sendQueue();
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			* There are only two possibilities: 300 (OpenGL ES 3.0) or 310 (at least OpenGL ES 3.1)
826			*/
827			static int getGLSL()
828			{
829			return mGLSL;
830			}
831
832			///////////////////////////////////////////////////////////////////////////////////////////////////
833			/**
834			* Have we successfully managed to compile the OIT programs?
835			* Some hardware ( Imagination GE8100 / 8300, driver build 1.8@4490469 present in my HTC phone and,
836			* sadly, Amazon Fire Stick 4K ) fails to compile the shaders. See relevant thread in Imagination's
837			* support forum:
838			*
839			* https://forums.imgtec.com/t/ge8100-in-htc-desire-12-android-7-1-1-fragment-shader-fails-to-compile/2708
840			*/
841			public static boolean OITCompilationSuccessful()
842			{
843			return mOITCompilationSuccessful;
844			}
845
846	421c2728	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
847	310e14fb	leszek	/**
848			* Have we called onCreate yet, ie have we initialized the library?
849	1dfc9074	leszek	* @return <code>true</code> if the library is initialized and ready for action.
850	310e14fb	leszek	*/
851			public static boolean isInitialized()
852	421c2728	Leszek Koltunski	{
853	55c14a19	Leszek Koltunski	return mInitialized;
854	421c2728	Leszek Koltunski	}
855
856	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
857			/**
858	c43abe6c	Leszek Koltunski	* When OpenGL context gets created, call this method so that the library can initialise its internal data structures.
859	432442f9	Leszek Koltunski	* I.e. best called from GLSurfaceView.onCreate().
860	6a06a912	Leszek Koltunski	* <p>
861	432442f9	Leszek Koltunski	* Needs to be called from a thread holding the OpenGL context.
862	6a06a912	Leszek Koltunski	*
863	015642fb	Leszek Koltunski	* @param context Context of the App using the library - used to open up Resources and read Shader code.
864	6a06a912	Leszek Koltunski	*/
865	edea9cf3	Leszek Koltunski	public static void onCreate(final Context context) throws Exception
866	d6e94c84	Leszek Koltunski	{
867	30beb34f	Leszek Koltunski	final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
868			final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
869	b7074bc6	Leszek Koltunski
870			int glESversion = configurationInfo.reqGlEsVersion;
871			int major = glESversion >> 16;
872			int minor = glESversion & 0xff;
873
874			if( major< 3 )
875			{
876			mGLSL = 100major + 10minor;
877			throw new VertexCompilationException("at least OpenGL ES 3.0 required, this device supports only "+major+"."+minor);
878			}
879			else
880			{
881			mGLSL = (major==3 && minor==0) ? 300 : 310;
882			}
883
884			android.util.Log.e("DISTORTED", "Using OpenGL ES "+major+"."+minor);
885			mGLSL_VERSION = "#version "+mGLSL+" es\n";
886	edea9cf3	Leszek Koltunski
887			mInitialized = true;
888	b7074bc6	Leszek Koltunski	mOITCompilationSuccessful = false;
889	edea9cf3	Leszek Koltunski
890			detectBuggyDrivers();
891
892	0e924ba5	Leszek Koltunski	EffectMessageSender.startSending();
893
894	d6e94c84	Leszek Koltunski	final Resources resources = context.getResources();
895	c90b9e01	Leszek Koltunski
896	edea9cf3	Leszek Koltunski	Exception exception=null;
897
898			try
899			{
900	bfe45b4a	Leszek Koltunski	createPrograms(resources);
901	edea9cf3	Leszek Koltunski	}
902			catch(Exception ex)
903			{
904			exception = ex;
905			}
906
907	f046b159	Leszek Koltunski	try
908			{
909			createFullProgram(resources);
910			}
911			catch(Exception ex)
912			{
913			exception = ex;
914			}
915
916	b7074bc6	Leszek Koltunski	if( mGLSL>=310)
917	edea9cf3	Leszek Koltunski	{
918	b7074bc6	Leszek Koltunski	try
919			{
920			createProgramsOIT(resources);
921			mOITCompilationSuccessful = true;
922			}
923			catch(Exception ex)
924			{
925			exception = ex;
926			}
927	edea9cf3	Leszek Koltunski	}
928
929	a13dde77	Leszek Koltunski	try
930			{
931	b7074bc6	Leszek Koltunski	EffectQueuePostprocess.createPrograms(resources, mGLSL);
932	a13dde77	Leszek Koltunski	}
933			catch(Exception ex)
934			{
935			exception = ex;
936			}
937
938	edea9cf3	Leszek Koltunski	try
939			{
940	b7074bc6	Leszek Koltunski	PostprocessEffect.createPrograms(mGLSL);
941	edea9cf3	Leszek Koltunski	}
942			catch(Exception ex)
943			{
944			exception = ex;
945			}
946
947			if( exception!=null)
948			{
949			throw exception;
950			}
951	6a06a912	Leszek Koltunski	}
952
953	05ecc6fe	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
954			/**
955	78e89fb5	Leszek Koltunski	* Call this so that the Library can release the OpenGL related data that needs to be recreated.
956	05ecc6fe	Leszek Koltunski	* Must be called from Activity.onPause().
957			*/
958			public static void onPause()
959			{
960	7602a827	Leszek Koltunski	InternalObject.onPause();
961	bfe45b4a	Leszek Koltunski
962			mLinkedListSSBO[0]= -1;
963
964	7602a827	Leszek Koltunski	for(int i = 0; i< DistortedLibrary.FBO_QUEUE_SIZE; i++) mAtomicCounter[i] = -1;
965	05ecc6fe	Leszek Koltunski	}
966
967	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
968			/**
969			* Call this so that the Library can release its internal data structures.
970			* Must be called from Activity.onDestroy().
971			*/
972			public static void onDestroy()
973			{
974	7602a827	Leszek Koltunski	InternalObject.onDestroy();
975			InternalNodeData.onDestroy();
976			InternalMaster.onDestroy();
977			InternalOutputSurface.onDestroy();
978	46b572b5	Leszek Koltunski	DistortedEffects.onDestroy();
979	42571056	Leszek Koltunski	EffectQueue.onDestroy();
980	26a4e5f6	leszek	Effect.onDestroy();
981	6a06a912	Leszek Koltunski	EffectMessageSender.stopSending();
982	f8686932	Leszek Koltunski
983	55c14a19	Leszek Koltunski	mInitialized = false;
984	6a06a912	Leszek Koltunski	}
985	bfe45b4a	Leszek Koltunski
986			///////////////////////////////////////////////////////////////////////////////////////////////////
987			/**
988			* Returns the maximum number of effects of a given type that can be simultaneously applied to a
989			* single (InputSurface,MeshBase) combo.
990			*
991			* @param type {@link EffectType}
992			* @return The maximum number of effects of a given type.
993			*/
994			@SuppressWarnings("unused")
995			public static int getMax(EffectType type)
996			{
997			return EffectQueue.getMax(type.ordinal());
998			}
999
1000			///////////////////////////////////////////////////////////////////////////////////////////////////
1001			/**
1002			* Sets the maximum number of effects that can be stored in a single EffectQueue at one time.
1003			* This can fail if:
1004			* <ul>
1005			* <li>the value of 'max' is outside permitted range (0 ≤ max ≤ Byte.MAX_VALUE)
1006			* <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
1007	7602a827	Leszek Koltunski	* before the Vertex Shader gets compiled, i.e. before the call to {@link DistortedLibrary#onCreate}. After this
1008	bfe45b4a	Leszek Koltunski	* time only decreasing the value of 'max' is permitted.
1009			* <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
1010			* </ul>
1011			*
1012			* @param type {@link EffectType}
1013			* @param max new maximum number of simultaneous effects. Has to be a non-negative number not greater
1014			* than Byte.MAX_VALUE
1015			* @return <code>true</code> if operation was successful, <code>false</code> otherwise.
1016			*/
1017			@SuppressWarnings("unused")
1018			public static boolean setMax(EffectType type, int max)
1019			{
1020			return EffectQueue.setMax(type.ordinal(),max);
1021			}
1022	f8f6d457	leszek	}

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library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 36d65d88