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

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 97755c02

1	d333eb6b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
2			// Copyright 2016 Leszek Koltunski //
3			// //
4	46b572b5	Leszek Koltunski	// This file is part of Distorted. //
5	d333eb6b	Leszek Koltunski	// //
6	46b572b5	Leszek Koltunski	// Distorted is free software: you can redistribute it and/or modify //
7	d333eb6b	Leszek Koltunski	// it under the terms of the GNU General Public License as published by //
8			// the Free Software Foundation, either version 2 of the License, or //
9			// (at your option) any later version. //
10			// //
11	46b572b5	Leszek Koltunski	// Distorted is distributed in the hope that it will be useful, //
12	d333eb6b	Leszek Koltunski	// but WITHOUT ANY WARRANTY; without even the implied warranty of //
13			// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
14			// GNU General Public License for more details. //
15			// //
16			// You should have received a copy of the GNU General Public License //
17	46b572b5	Leszek Koltunski	// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
18	d333eb6b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
19
20	fe82a979	Leszek Koltunski	package org.distorted.library.main;
21	6a06a912	Leszek Koltunski
22	30beb34f	Leszek Koltunski	import android.app.ActivityManager;
23	7845dc66	Leszek Koltunski	import android.content.Context;
24	30beb34f	Leszek Koltunski	import android.content.pm.ConfigurationInfo;
25	d6e94c84	Leszek Koltunski	import android.content.res.Resources;
26	b7074bc6	Leszek Koltunski	import android.opengl.GLES30;
27	edea9cf3	Leszek Koltunski	import android.opengl.GLES31;
28	bfe45b4a	Leszek Koltunski	import android.util.Log;
29	310e14fb	leszek
30	bfe45b4a	Leszek Koltunski	import org.distorted.library.R;
31	26a4e5f6	leszek	import org.distorted.library.effect.Effect;
32	809dcae3	Leszek Koltunski	import org.distorted.library.effectqueue.EffectQueue;
33			import org.distorted.library.effectqueue.EffectQueuePostprocess;
34	bfe45b4a	Leszek Koltunski	import org.distorted.library.effect.EffectType;
35			import org.distorted.library.effect.FragmentEffect;
36	aa2f0486	Leszek Koltunski	import org.distorted.library.effect.PostprocessEffect;
37	bfe45b4a	Leszek Koltunski	import org.distorted.library.effect.VertexEffect;
38	07206c71	Leszek Koltunski	import org.distorted.library.effectqueue.EffectQueueVertex;
39	97755c02	Leszek Koltunski	import org.distorted.library.mesh.AssociationUniformBlock;
40	07206c71	Leszek Koltunski	import org.distorted.library.mesh.DeferredJobs;
41	bfe45b4a	Leszek Koltunski	import org.distorted.library.mesh.MeshBase;
42	ed06301f	Leszek Koltunski	import org.distorted.library.message.EffectMessageSender;
43	bfe45b4a	Leszek Koltunski	import org.distorted.library.program.DistortedProgram;
44	b7074bc6	Leszek Koltunski	import org.distorted.library.program.VertexCompilationException;
45	0273ef2a	Leszek Koltunski	import org.distorted.library.type.Dynamic;
46	bfe45b4a	Leszek Koltunski
47			import java.io.InputStream;
48			import java.nio.ByteBuffer;
49			import java.nio.ByteOrder;
50			import java.nio.FloatBuffer;
51			import java.nio.IntBuffer;
52	5f35f1cb	Leszek Koltunski	import java.util.regex.Matcher;
53			import java.util.regex.Pattern;
54	6a06a912	Leszek Koltunski
55			///////////////////////////////////////////////////////////////////////////////////////////////////
56			/**
57	f953bee0	Leszek Koltunski	* A singleton class used to control various global dialog_settings.
58	6a06a912	Leszek Koltunski	*/
59	7602a827	Leszek Koltunski	public class DistortedLibrary
60	39cbf9dc	Leszek Koltunski	{
61	b7074bc6	Leszek Koltunski	private static int mGLSL;
62			private static String mGLSL_VERSION;
63	d99fcc9c	Leszek Koltunski	private static boolean mOITCompilationAttempted;
64	6a06a912	Leszek Koltunski	/**
65	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedTexture from another instance, clone the Bitmap that's
66			* backing up our DistortedTexture.
67	6a06a912	Leszek Koltunski	* <p>
68	cacc63de	Leszek Koltunski	* This way we can have two DistortedTextures, both backed up by the same Bitmap, to which we can
69	6a06a912	Leszek Koltunski	* apply different effects. Used in the copy constructor.
70			*/
71	29a06526	Leszek Koltunski	public static final int CLONE_SURFACE = 0x1;
72	6a06a912	Leszek Koltunski	/**
73	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Matrix Effects.
74	6a06a912	Leszek Koltunski	* <p>
75	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the MATRIX queue.
76	6a06a912	Leszek Koltunski	*/
77	015642fb	Leszek Koltunski	public static final int CLONE_MATRIX = 0x2;
78	6a06a912	Leszek Koltunski	/**
79	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Vertex Effects.
80	6a06a912	Leszek Koltunski	* <p>
81	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the VERTEX queue.
82	6a06a912	Leszek Koltunski	*/
83			public static final int CLONE_VERTEX = 0x4;
84			/**
85	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Fragment Effects.
86	6a06a912	Leszek Koltunski	* <p>
87	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the FRAGMENT queue.
88	6a06a912	Leszek Koltunski	*/
89			public static final int CLONE_FRAGMENT= 0x8;
90	d6e94c84	Leszek Koltunski	/**
91			* When creating an instance of a DistortedEffects from another instance, clone the PostProcess Effects.
92			* <p>
93			* This way we can have two different DistortedEffects sharing the POSTPROCESS queue.
94			*/
95			public static final int CLONE_POSTPROCESS= 0x10;
96	6a06a912	Leszek Koltunski	/**
97	a09ada4c	Leszek Koltunski	* When creating an instance of a DistortedNode from another instance, clone the children Nodes.
98	6a06a912	Leszek Koltunski	* <p>
99	cacc63de	Leszek Koltunski	* This is mainly useful for creating many similar sub-trees and rendering then at different places
100			* on the screen with (optionally) different Effects.
101	6a06a912	Leszek Koltunski	*/
102	d6e94c84	Leszek Koltunski	public static final int CLONE_CHILDREN= 0x20;
103	b3618cb5	Leszek Koltunski
104	5f35f1cb	Leszek Koltunski	/**
105			* When creating a DistortedScreen (which needs to have mFBOQueueSize FBOs attached), pass this
106			* constant for 'numOfFBOs' and the number of backing FBOs will be taken from 'mFBOQueueSize'
107			* (the value of which is most likely unknown at the time of creation of the Screen)
108			*/
109			public static final int WAIT_FOR_FBO_QUEUE_SIZE = -1;
110	586b5fa1	Leszek Koltunski	/**
111			* Work around bugs in ARM Mali driver by, instead to a single FBO, rendering to a circular queue
112	5f35f1cb	Leszek Koltunski	* of mFBOQueueSize FBOs. (otherwise we sometimes get a 'full pipeline flush' and the end result
113	586b5fa1	Leszek Koltunski	* might be missing part of the Objects)
114	6672d895	Leszek Koltunski	*
115	5f35f1cb	Leszek Koltunski	* This bug only exists on Mali driver r12. (or more precisely it's there in r12 but fixed in r22)
116	6672d895	Leszek Koltunski	*
117			* https://community.arm.com/graphics/f/discussions/10285/opengl-es-3-1-on-mali-t880-flashes
118	586b5fa1	Leszek Koltunski	*/
119	5f35f1cb	Leszek Koltunski	private static int mFBOQueueSize;
120	586b5fa1	Leszek Koltunski
121	55c14a19	Leszek Koltunski	private static boolean mInitialized=false;
122	6a06a912	Leszek Koltunski
123	bfe45b4a	Leszek Koltunski	//////////////////////////////////////////////////////////////////////////////////////////////
124			/// MAIN PROGRAM ///
125			private static DistortedProgram mMainProgram;
126			private static int mMainTextureH;
127	62c869ad	Leszek Koltunski	private static int mTransformFeedbackH;
128	bfe45b4a	Leszek Koltunski
129			/// NORMAL PROGRAM /////
130			private static DistortedProgram mNormalProgram;
131	62c869ad	Leszek Koltunski	private static int mNormalProjectionH;
132	bfe45b4a	Leszek Koltunski
133			/// MAIN OIT PROGRAM ///
134			private static DistortedProgram mMainOITProgram;
135			private static int mMainOITTextureH;
136			private static int mMainOITSizeH;
137			private static int mMainOITNumRecordsH;
138
139			/// BLIT PROGRAM ///
140			private static DistortedProgram mBlitProgram;
141			private static int mBlitTextureH;
142			private static int mBlitDepthH;
143			private static final FloatBuffer mQuadPositions;
144
145	f046b159	Leszek Koltunski	/// FULL PROGRAM ///
146			private static DistortedProgram mFullProgram;
147
148	bfe45b4a	Leszek Koltunski	static
149			{
150			float[] positionData= { -0.5f, -0.5f, -0.5f, 0.5f, 0.5f,-0.5f, 0.5f, 0.5f };
151			mQuadPositions = ByteBuffer.allocateDirect(32).order(ByteOrder.nativeOrder()).asFloatBuffer();
152			mQuadPositions.put(positionData).position(0);
153			}
154
155			/// BLIT DEPTH PROGRAM ///
156			private static DistortedProgram mBlitDepthProgram;
157			private static int mBlitDepthTextureH;
158			private static int mBlitDepthDepthTextureH;
159			private static int mBlitDepthDepthH;
160			private static int mBlitDepthTexCorrH;
161
162	0bd9f644	Leszek Koltunski	/// Program Handles ///
163			private static int mMainProgramH, mFullProgramH, mMainOITProgramH;
164
165	bfe45b4a	Leszek Koltunski	/// OIT SSBO BUFFER ///
166			private static int[] mLinkedListSSBO = new int[1];
167	5f35f1cb	Leszek Koltunski	private static int[] mAtomicCounter;
168	bfe45b4a	Leszek Koltunski	private static int mCurrBuffer;
169
170			static
171			{
172			mLinkedListSSBO[0]= -1;
173			mCurrBuffer = 0;
174			}
175
176			///////////////////////////////////////////////////////////////
177			// meaning: allocate 1.0 screenful of places for transparent
178			// fragments in the SSBO backing up the OIT render method.
179			private static float mBufferSize=1.0f;
180
181			/// OIT CLEAR PROGRAM ///
182			private static DistortedProgram mOITClearProgram;
183			private static int mOITClearDepthH;
184			private static int mOITClearTexCorrH;
185			private static int mOITClearSizeH;
186
187			/// OIT BUILD PROGRAM ///
188			private static DistortedProgram mOITBuildProgram;
189			private static int mOITBuildTextureH;
190			private static int mOITBuildDepthTextureH;
191			private static int mOITBuildDepthH;
192			private static int mOITBuildTexCorrH;
193			private static int mOITBuildSizeH;
194			private static int mOITBuildNumRecordsH;
195
196			/// OIT COLLAPSE PROGRAM ///
197			private static DistortedProgram mOITCollapseProgram;
198			private static int mOITCollapseDepthTextureH;
199			private static int mOITCollapseDepthH;
200			private static int mOITCollapseTexCorrH;
201			private static int mOITCollapseSizeH;
202
203			/// OIT RENDER PROGRAM ///
204			private static DistortedProgram mOITRenderProgram;
205			private static int mOITRenderDepthH;
206			private static int mOITRenderTexCorrH;
207			private static int mOITRenderSizeH;
208
209			/// END PROGRAMS //////
210
211	d99fcc9c	Leszek Koltunski	/**
212			* Every application using the library must implement this interface so that the library can send
213			* it exceptions that arise. The exceptions may come at any time, for example the library will
214			* compile its OIT problem only on the first attempt to use the OIT
215			* Those will mainly be hardware-related: shaders do not compile on particular hardware, the required
216			* OpenGL ES 3.0 is not supported, etc.
217			*/
218			public interface ExceptionListener
219			{
220			void distortedException(Exception ex);
221			}
222
223			private static ExceptionListener mListener;
224			private static Resources mResources;
225
226	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
227	c638c1b0	Leszek Koltunski	// private: hide this from Javadoc
228	6a06a912	Leszek Koltunski
229	7602a827	Leszek Koltunski	private DistortedLibrary()
230	6a06a912	Leszek Koltunski	{
231	8eccf334	Leszek Koltunski
232	6a06a912	Leszek Koltunski	}
233
234	bfe45b4a	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
235
236	d99fcc9c	Leszek Koltunski	private static void createMainProgram()
237	bfe45b4a	Leszek Koltunski	{
238			// MAIN PROGRAM ////////////////////////////////////
239	d99fcc9c	Leszek Koltunski	final InputStream mainVertStream = mResources.openRawResource(R.raw.main_vertex_shader);
240			final InputStream mainFragStream = mResources.openRawResource(R.raw.main_fragment_shader);
241	bfe45b4a	Leszek Koltunski
242			int numF = FragmentEffect.getNumEnabled();
243			int numV = VertexEffect.getNumEnabled();
244
245	b7074bc6	Leszek Koltunski	String mainVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n");
246			String mainFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + ( numF>0 ? getMax(EffectType.FRAGMENT) : 0 ) + "\n");
247	36d65d88	Leszek Koltunski
248	e8925fcd	Leszek Koltunski	mainVertHeader += "#define MAX_COMPON " + MeshBase.getMaxEffComponents() + "\n";
249	36d65d88	Leszek Koltunski
250	bfe45b4a	Leszek Koltunski	String enabledEffectV= VertexEffect.getGLSL();
251			String enabledEffectF= FragmentEffect.getGLSL();
252
253			String[] feedback = { "v_Position", "v_endPosition" };
254
255			try
256			{
257			mMainProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
258	b7074bc6	Leszek Koltunski	enabledEffectV, enabledEffectF, mGLSL, feedback);
259	bfe45b4a	Leszek Koltunski	}
260			catch(Exception e)
261			{
262			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN program: "+e.getMessage());
263			throw new RuntimeException(e.getMessage());
264			}
265
266	0bd9f644	Leszek Koltunski	mMainProgramH = mMainProgram.getProgramHandle();
267			EffectQueue.getUniforms(mMainProgramH,0);
268			mMainTextureH= GLES30.glGetUniformLocation( mMainProgramH, "u_Texture");
269			mTransformFeedbackH= GLES30.glGetUniformLocation( mMainProgramH, "u_TransformFeedback");
270	bfe45b4a	Leszek Koltunski
271			// BLIT PROGRAM ////////////////////////////////////
272	d99fcc9c	Leszek Koltunski	final InputStream blitVertStream = mResources.openRawResource(R.raw.blit_vertex_shader);
273			final InputStream blitFragStream = mResources.openRawResource(R.raw.blit_fragment_shader);
274	bfe45b4a	Leszek Koltunski
275			try
276			{
277	b7074bc6	Leszek Koltunski	mBlitProgram = new DistortedProgram(blitVertStream,blitFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
278	bfe45b4a	Leszek Koltunski	}
279			catch(Exception e)
280			{
281			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT program: "+e.getMessage());
282			throw new RuntimeException(e.getMessage());
283			}
284
285			int blitProgramH = mBlitProgram.getProgramHandle();
286	b7074bc6	Leszek Koltunski	mBlitTextureH = GLES30.glGetUniformLocation( blitProgramH, "u_Texture");
287			mBlitDepthH = GLES30.glGetUniformLocation( blitProgramH, "u_Depth");
288	bfe45b4a	Leszek Koltunski
289			// BLIT DEPTH PROGRAM ////////////////////////////////////
290	d99fcc9c	Leszek Koltunski	final InputStream blitDepthVertStream = mResources.openRawResource(R.raw.blit_depth_vertex_shader);
291			final InputStream blitDepthFragStream = mResources.openRawResource(R.raw.blit_depth_fragment_shader);
292	bfe45b4a	Leszek Koltunski
293			try
294			{
295	b7074bc6	Leszek Koltunski	mBlitDepthProgram = new DistortedProgram(blitDepthVertStream,blitDepthFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
296	bfe45b4a	Leszek Koltunski	}
297			catch(Exception e)
298			{
299			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile BLIT DEPTH program: "+e.getMessage());
300			throw new RuntimeException(e.getMessage());
301			}
302
303			int blitDepthProgramH = mBlitDepthProgram.getProgramHandle();
304	b7074bc6	Leszek Koltunski	mBlitDepthTextureH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_Texture");
305			mBlitDepthDepthTextureH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_DepthTexture");
306			mBlitDepthDepthH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_Depth");
307			mBlitDepthTexCorrH = GLES30.glGetUniformLocation( blitDepthProgramH, "u_TexCorr");
308	0bd9f644	Leszek Koltunski
309			int[] params = new int[1];
310			int index = GLES30.glGetUniformBlockIndex(mMainProgramH, "meshAssociation");
311			GLES30.glGetActiveUniformBlockiv( mMainProgramH, index, GLES30.GL_UNIFORM_BLOCK_DATA_SIZE, params, 0);
312	97755c02	Leszek Koltunski	AssociationUniformBlock.setAssociationSize(params[0]);
313	d99fcc9c	Leszek Koltunski	}
314
315			///////////////////////////////////////////////////////////////////////////////////////////////////
316	bfe45b4a	Leszek Koltunski
317	d99fcc9c	Leszek Koltunski	private static void createNormalProgram(Resources resources)
318			{
319	bfe45b4a	Leszek Koltunski	// NORMAL PROGRAM //////////////////////////////////////
320			final InputStream normalVertexStream = resources.openRawResource(R.raw.normal_vertex_shader);
321			final InputStream normalFragmentStream = resources.openRawResource(R.raw.normal_fragment_shader);
322
323			try
324			{
325	b7074bc6	Leszek Koltunski	mNormalProgram = new DistortedProgram(normalVertexStream,normalFragmentStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
326	bfe45b4a	Leszek Koltunski	}
327			catch(Exception e)
328			{
329			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile NORMAL program: "+e.getMessage());
330			throw new RuntimeException(e.getMessage());
331			}
332
333			int normalProgramH = mNormalProgram.getProgramHandle();
334	62c869ad	Leszek Koltunski	mNormalProjectionH = GLES30.glGetUniformLocation( normalProgramH, "u_Projection");
335	bfe45b4a	Leszek Koltunski	}
336
337	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
338
339			private static void createFullProgram(Resources resources)
340			{
341			final InputStream fullVertStream = resources.openRawResource(R.raw.main_vertex_shader);
342			final InputStream fullFragStream = resources.openRawResource(R.raw.main_fragment_shader);
343
344			int numV = VertexEffect.getAllEnabled();
345
346			String fullVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n");
347			String fullFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + 0 + "\n");
348	36d65d88	Leszek Koltunski
349	e8925fcd	Leszek Koltunski	fullVertHeader += "#define MAX_COMPON " + MeshBase.getMaxEffComponents() + "\n";
350	36d65d88	Leszek Koltunski
351	f046b159	Leszek Koltunski	String enabledEffectV= VertexEffect.getAllGLSL();
352			String enabledEffectF= "{}";
353
354	667884b0	Leszek Koltunski	fullVertHeader += "#define PREAPPLY\n";
355
356	e54bfada	Leszek Koltunski	String[] feedback = { "v_Position", "v_endPosition", "v_Inflate" };
357	f046b159	Leszek Koltunski
358			try
359			{
360			mFullProgram = new DistortedProgram(fullVertStream, fullFragStream, fullVertHeader, fullFragHeader,
361			enabledEffectV, enabledEffectF, mGLSL, feedback);
362			}
363			catch(Exception e)
364			{
365			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile FULL program: "+e.getMessage());
366			throw new RuntimeException(e.getMessage());
367			}
368
369	0bd9f644	Leszek Koltunski	mFullProgramH = mFullProgram.getProgramHandle();
370			EffectQueue.getUniforms(mFullProgramH,3);
371	f046b159	Leszek Koltunski	}
372
373	bfe45b4a	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
374
375	d99fcc9c	Leszek Koltunski	private static void createOITProgram(Resources resources)
376	bfe45b4a	Leszek Koltunski	{
377			// MAIN OIT PROGRAM ////////////////////////////////
378			final InputStream mainVertStream = resources.openRawResource(R.raw.main_vertex_shader);
379			final InputStream mainFragStream = resources.openRawResource(R.raw.main_fragment_shader);
380
381			int numF = FragmentEffect.getNumEnabled();
382			int numV = VertexEffect.getNumEnabled();
383
384	b7074bc6	Leszek Koltunski	String mainVertHeader= mGLSL_VERSION + ("#define NUM_VERTEX " + ( numV>0 ? getMax(EffectType.VERTEX ) : 0 ) + "\n") + ("#define OIT\n");
385			String mainFragHeader= mGLSL_VERSION + ("#define NUM_FRAGMENT " + ( numF>0 ? getMax(EffectType.FRAGMENT) : 0 ) + "\n") + ("#define OIT\n");
386	bfe45b4a	Leszek Koltunski
387	e8925fcd	Leszek Koltunski	mainVertHeader += "#define MAX_COMPON " + MeshBase.getMaxEffComponents() + "\n";
388	36d65d88	Leszek Koltunski
389	bfe45b4a	Leszek Koltunski	String enabledEffectV= VertexEffect.getGLSL();
390			String enabledEffectF= FragmentEffect.getGLSL();
391
392			try
393			{
394			mMainOITProgram = new DistortedProgram(mainVertStream, mainFragStream, mainVertHeader, mainFragHeader,
395	b7074bc6	Leszek Koltunski	enabledEffectV, enabledEffectF, mGLSL, null);
396	bfe45b4a	Leszek Koltunski	}
397			catch(Exception e)
398			{
399			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile MAIN OIT program: "+e.getMessage());
400			throw new RuntimeException(e.getMessage());
401			}
402
403	0bd9f644	Leszek Koltunski	mMainOITProgramH = mMainOITProgram.getProgramHandle();
404			EffectQueue.getUniforms(mMainOITProgramH,1);
405			mMainOITTextureH = GLES30.glGetUniformLocation( mMainOITProgramH, "u_Texture");
406			mMainOITSizeH = GLES30.glGetUniformLocation( mMainOITProgramH, "u_Size");
407			mMainOITNumRecordsH = GLES30.glGetUniformLocation( mMainOITProgramH, "u_numRecords");
408	bfe45b4a	Leszek Koltunski
409			// OIT CLEAR PROGRAM ////////////////////////////////////
410			final InputStream oitClearVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
411			final InputStream oitClearFragStream = resources.openRawResource(R.raw.oit_clear_fragment_shader);
412
413			try
414			{
415	b7074bc6	Leszek Koltunski	mOITClearProgram = new DistortedProgram(oitClearVertStream,oitClearFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
416	bfe45b4a	Leszek Koltunski	}
417			catch(Exception e)
418			{
419			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT CLEAR program: "+e.getMessage());
420			throw new RuntimeException(e.getMessage());
421			}
422
423			int oitClearProgramH = mOITClearProgram.getProgramHandle();
424	b7074bc6	Leszek Koltunski	mOITClearDepthH = GLES30.glGetUniformLocation( oitClearProgramH, "u_Depth");
425			mOITClearTexCorrH = GLES30.glGetUniformLocation( oitClearProgramH, "u_TexCorr");
426			mOITClearSizeH = GLES30.glGetUniformLocation( oitClearProgramH, "u_Size");
427	bfe45b4a	Leszek Koltunski
428			// OIT BUILD PROGRAM ////////////////////////////////////
429			final InputStream oitBuildVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
430			final InputStream oitBuildFragStream = resources.openRawResource(R.raw.oit_build_fragment_shader);
431
432			try
433			{
434	b7074bc6	Leszek Koltunski	mOITBuildProgram = new DistortedProgram(oitBuildVertStream,oitBuildFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
435	bfe45b4a	Leszek Koltunski	}
436			catch(Exception e)
437			{
438			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT BUILD program: "+e.getMessage());
439			throw new RuntimeException(e.getMessage());
440			}
441
442			int oitBuildProgramH = mOITBuildProgram.getProgramHandle();
443	b7074bc6	Leszek Koltunski	mOITBuildTextureH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Texture");
444			mOITBuildDepthTextureH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_DepthTexture");
445			mOITBuildDepthH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Depth");
446			mOITBuildTexCorrH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_TexCorr");
447			mOITBuildSizeH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_Size");
448			mOITBuildNumRecordsH = GLES30.glGetUniformLocation( oitBuildProgramH, "u_numRecords");
449	bfe45b4a	Leszek Koltunski
450			// OIT COLLAPSE PROGRAM ///////////////////////////
451			final InputStream oitCollapseVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
452			final InputStream oitCollapseFragStream = resources.openRawResource(R.raw.oit_collapse_fragment_shader);
453
454			try
455			{
456	b7074bc6	Leszek Koltunski	mOITCollapseProgram = new DistortedProgram(oitCollapseVertStream,oitCollapseFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
457	bfe45b4a	Leszek Koltunski	}
458			catch(Exception e)
459			{
460			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT COLLAPSE program: "+e.getMessage());
461			throw new RuntimeException(e.getMessage());
462			}
463
464			int oitCollapseProgramH = mOITCollapseProgram.getProgramHandle();
465	b7074bc6	Leszek Koltunski	mOITCollapseDepthTextureH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_DepthTexture");
466			mOITCollapseDepthH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_Depth");
467			mOITCollapseTexCorrH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_TexCorr");
468			mOITCollapseSizeH = GLES30.glGetUniformLocation( oitCollapseProgramH, "u_Size");
469	bfe45b4a	Leszek Koltunski
470			// OIT RENDER PROGRAM ///////////////////////////
471			final InputStream oitRenderVertStream = resources.openRawResource(R.raw.oit_vertex_shader);
472			final InputStream oitRenderFragStream = resources.openRawResource(R.raw.oit_render_fragment_shader);
473
474			try
475			{
476	b7074bc6	Leszek Koltunski	mOITRenderProgram = new DistortedProgram(oitRenderVertStream,oitRenderFragStream, mGLSL_VERSION, mGLSL_VERSION, mGLSL);
477	bfe45b4a	Leszek Koltunski	}
478			catch(Exception e)
479			{
480			Log.e("EFFECTS", e.getClass().getSimpleName()+" trying to compile OIT RENDER program: "+e.getMessage());
481			throw new RuntimeException(e.getMessage());
482			}
483
484			int oitRenderProgramH = mOITRenderProgram.getProgramHandle();
485	b7074bc6	Leszek Koltunski	mOITRenderDepthH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_Depth");
486			mOITRenderTexCorrH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_TexCorr");
487			mOITRenderSizeH = GLES30.glGetUniformLocation( oitRenderProgramH, "u_Size");
488	bfe45b4a	Leszek Koltunski	}
489
490			///////////////////////////////////////////////////////////////////////////////////////////////////
491
492	62c869ad	Leszek Koltunski	private static void displayNormals(float[] projection, MeshBase mesh)
493	bfe45b4a	Leszek Koltunski	{
494	d99fcc9c	Leszek Koltunski	if( mNormalProgram==null )
495			{
496			try
497			{
498			createNormalProgram(mResources);
499			}
500			catch(Exception ex)
501			{
502			mListener.distortedException(ex);
503			return;
504			}
505			}
506
507	bfe45b4a	Leszek Koltunski	int num = mesh.getNumVertices();
508			int tfo = mesh.getTFO();
509
510	62c869ad	Leszek Koltunski	GLES30.glUniform1i(DistortedLibrary.mTransformFeedbackH, 1);
511	b7074bc6	Leszek Koltunski	GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfo );
512			GLES30.glBeginTransformFeedback( GLES30.GL_POINTS);
513	7602a827	Leszek Koltunski	InternalRenderState.switchOffDrawing();
514	b7074bc6	Leszek Koltunski	GLES30.glDrawArrays( GLES30.GL_POINTS, 0, num );
515	7602a827	Leszek Koltunski	InternalRenderState.restoreDrawing();
516	b7074bc6	Leszek Koltunski	GLES30.glEndTransformFeedback();
517			GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
518	bfe45b4a	Leszek Koltunski
519	f046b159	Leszek Koltunski	mNormalProgram.useProgram();
520	62c869ad	Leszek Koltunski	GLES30.glUniformMatrix4fv(mNormalProjectionH, 1, false, projection, 0);
521	f046b159	Leszek Koltunski	mesh.bindTransformAttribs(mNormalProgram);
522	b7074bc6	Leszek Koltunski	GLES30.glLineWidth(8.0f);
523			GLES30.glDrawArrays(GLES30.GL_LINES, 0, 2*num);
524	bfe45b4a	Leszek Koltunski	}
525
526	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
527	0bd9f644	Leszek Koltunski	/**
528			* Execute all VertexEffects and adjust all vertices
529			*
530			* @y.exclude
531			*/
532	07206c71	Leszek Koltunski	public static void adjustVertices(MeshBase mesh, EffectQueueVertex queue)
533	f046b159	Leszek Koltunski	{
534	d99fcc9c	Leszek Koltunski	if( mFullProgram==null )
535	f046b159	Leszek Koltunski	{
536	d99fcc9c	Leszek Koltunski	try
537			{
538			createFullProgram(mResources);
539			}
540			catch(Exception ex)
541			{
542			mListener.distortedException(ex);
543			return;
544			}
545	f046b159	Leszek Koltunski	}
546	d99fcc9c	Leszek Koltunski
547			int num = mesh.getNumVertices();
548			int tfo = mesh.getTFO();
549
550			mFullProgram.useProgram();
551			mesh.bindVertexAttribs(mFullProgram);
552			queue.compute(1);
553			queue.send(0.0f,3);
554	0bd9f644	Leszek Koltunski	mesh.send(mFullProgramH);
555	d99fcc9c	Leszek Koltunski
556			GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfo );
557			GLES30.glBeginTransformFeedback( GLES30.GL_POINTS);
558			InternalRenderState.switchOffDrawing();
559			GLES30.glDrawArrays( GLES30.GL_POINTS, 0, num );
560			InternalRenderState.restoreDrawing();
561			GLES30.glEndTransformFeedback();
562			mesh.copyTransformToVertex();
563			GLES30.glBindBufferBase(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0);
564	f046b159	Leszek Koltunski	}
565
566	bfe45b4a	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
567
568	c90aca24	Leszek Koltunski	static void drawPrivOIT(DistortedEffects effects, MeshBase mesh, InternalOutputSurface surface, long currTime)
569	bfe45b4a	Leszek Koltunski	{
570	06ddd60d	Leszek Koltunski	if( mMainOITProgram!=null )
571			{
572			EffectQueue[] queues = effects.getQueues();
573	c90aca24	Leszek Koltunski
574	06ddd60d	Leszek Koltunski	EffectQueue.compute(queues, currTime);
575			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
576	bfe45b4a	Leszek Koltunski
577	06ddd60d	Leszek Koltunski	mMainOITProgram.useProgram();
578			GLES30.glUniform1i(mMainOITTextureH, 0);
579			GLES30.glUniform2ui(mMainOITSizeH, surface.mWidth, surface.mHeight);
580			GLES30.glUniform1ui(mMainOITNumRecordsH, (int)(mBufferSizesurface.mWidthsurface.mHeight) );
581			mesh.bindVertexAttribs(mMainOITProgram);
582	0bd9f644	Leszek Koltunski	mesh.send(mMainOITProgramH);
583	bfe45b4a	Leszek Koltunski
584	06ddd60d	Leszek Koltunski	float inflate = mesh.getInflate();
585			float distance = surface.mDistance;
586			float mipmap = surface.mMipmap;
587			float[] projection= surface.mProjectionMatrix;
588	bfe45b4a	Leszek Koltunski
589	62c869ad	Leszek Koltunski	EffectQueue.send(queues, distance, mipmap, projection, inflate, 1 );
590	06ddd60d	Leszek Koltunski	GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, mesh.getNumVertices() );
591	bfe45b4a	Leszek Koltunski
592	06ddd60d	Leszek Koltunski	if( mesh.getShowNormals() )
593			{
594			mMainProgram.useProgram();
595	0bd9f644	Leszek Koltunski	mesh.send(mMainProgramH);
596	62c869ad	Leszek Koltunski	EffectQueue.send(queues, distance, mipmap, projection, inflate, 0 );
597			displayNormals(projection,mesh);
598	06ddd60d	Leszek Koltunski	}
599	bfe45b4a	Leszek Koltunski	}
600			}
601
602			///////////////////////////////////////////////////////////////////////////////////////////////////
603
604	c90aca24	Leszek Koltunski	static void drawPriv(DistortedEffects effects, MeshBase mesh, InternalOutputSurface surface, long currTime)
605	bfe45b4a	Leszek Koltunski	{
606	f046b159	Leszek Koltunski	if( mMainProgram!=null )
607	f482efa3	Leszek Koltunski	{
608			EffectQueue[] queues = effects.getQueues();
609	bfe45b4a	Leszek Koltunski
610	f482efa3	Leszek Koltunski	EffectQueue.compute(queues, currTime);
611			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
612	46b572b5	Leszek Koltunski
613	f482efa3	Leszek Koltunski	mMainProgram.useProgram();
614			GLES30.glUniform1i(DistortedLibrary.mMainTextureH, 0);
615			mesh.bindVertexAttribs(DistortedLibrary.mMainProgram);
616	0bd9f644	Leszek Koltunski	mesh.send(mMainProgramH);
617	809dcae3	Leszek Koltunski
618	f482efa3	Leszek Koltunski	float inflate = mesh.getInflate();
619			float distance = surface.mDistance;
620			float mipmap = surface.mMipmap;
621			float[] projection= surface.mProjectionMatrix;
622	809dcae3	Leszek Koltunski
623	62c869ad	Leszek Koltunski	EffectQueue.send(queues, distance, mipmap, projection, inflate, 0 );
624	f482efa3	Leszek Koltunski	GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, mesh.getNumVertices() );
625	bfe45b4a	Leszek Koltunski
626	62c869ad	Leszek Koltunski	if( mesh.getShowNormals() ) displayNormals(projection,mesh);
627	f482efa3	Leszek Koltunski	}
628	bfe45b4a	Leszek Koltunski	}
629
630			///////////////////////////////////////////////////////////////////////////////////////////////////
631
632	7602a827	Leszek Koltunski	static void blitPriv(InternalOutputSurface surface)
633	bfe45b4a	Leszek Koltunski	{
634	f482efa3	Leszek Koltunski	if( mBlitProgram!=null )
635			{
636			mBlitProgram.useProgram();
637	bfe45b4a	Leszek Koltunski
638	f482efa3	Leszek Koltunski	GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
639			GLES30.glUniform1i(mBlitTextureH, 0);
640			GLES30.glUniform1f( mBlitDepthH , 1.0f-surface.mNear);
641			GLES30.glVertexAttribPointer(mBlitProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
642			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
643			}
644	bfe45b4a	Leszek Koltunski	}
645
646			///////////////////////////////////////////////////////////////////////////////////////////////////
647
648	7602a827	Leszek Koltunski	static void blitDepthPriv(InternalOutputSurface surface, float corrW, float corrH)
649	bfe45b4a	Leszek Koltunski	{
650	f482efa3	Leszek Koltunski	if( mBlitDepthProgram!=null )
651			{
652			mBlitDepthProgram.useProgram();
653
654			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
655			GLES30.glUniform1i(mBlitDepthTextureH, 0);
656			GLES30.glUniform1i(mBlitDepthDepthTextureH, 1);
657			GLES30.glUniform2f(mBlitDepthTexCorrH, corrW, corrH );
658			GLES30.glUniform1f( mBlitDepthDepthH , 1.0f-surface.mNear);
659			GLES30.glVertexAttribPointer(mBlitDepthProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
660			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
661			}
662	bfe45b4a	Leszek Koltunski	}
663
664			///////////////////////////////////////////////////////////////////////////////////////////////////
665	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
666	bfe45b4a	Leszek Koltunski
667			private static int printPreviousBuffer()
668			{
669			int counter = 0;
670
671	b7074bc6	Leszek Koltunski	ByteBuffer atomicBuf = (ByteBuffer)GLES30.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
672			GLES30.GL_MAP_READ_BIT);
673	bfe45b4a	Leszek Koltunski	if( atomicBuf!=null )
674			{
675			IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
676			counter = atomicIntBuf.get(0);
677			}
678			else
679			{
680	b7074bc6	Leszek Koltunski	Log.e("effects", "print: failed to map atomic buffer");
681	bfe45b4a	Leszek Koltunski	}
682
683	b7074bc6	Leszek Koltunski	GLES30.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
684	bfe45b4a	Leszek Koltunski
685			return counter;
686			}
687
688			///////////////////////////////////////////////////////////////////////////////////////////////////
689
690			private static void zeroBuffer()
691			{
692	b7074bc6	Leszek Koltunski	ByteBuffer atomicBuf = (ByteBuffer)GLES30.glMapBufferRange( GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, 4,
693	fd836a41	Leszek Koltunski	GLES30.GL_MAP_WRITE_BIT\|GLES30.GL_MAP_INVALIDATE_BUFFER_BIT);
694	bfe45b4a	Leszek Koltunski	if( atomicBuf!=null )
695			{
696			IntBuffer atomicIntBuf = atomicBuf.order(ByteOrder.nativeOrder()).asIntBuffer();
697			atomicIntBuf.put(0,0);
698			}
699			else
700			{
701	b7074bc6	Leszek Koltunski	Log.e("effects", "zero: failed to map atomic buffer");
702	bfe45b4a	Leszek Koltunski	}
703
704	b7074bc6	Leszek Koltunski	GLES30.glUnmapBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER);
705	bfe45b4a	Leszek Koltunski	}
706
707			///////////////////////////////////////////////////////////////////////////////////////////////////
708			// reset atomic counter to 0
709
710			static int zeroOutAtomic()
711			{
712			int counter = 0;
713
714	5f35f1cb	Leszek Koltunski	if( mAtomicCounter==null )
715	bfe45b4a	Leszek Koltunski	{
716	5f35f1cb	Leszek Koltunski	mAtomicCounter = new int[mFBOQueueSize];
717
718			GLES30.glGenBuffers(mFBOQueueSize,mAtomicCounter,0);
719	bfe45b4a	Leszek Koltunski
720	5f35f1cb	Leszek Koltunski	for(int i=0; i<mFBOQueueSize; i++)
721	bfe45b4a	Leszek Koltunski	{
722	b7074bc6	Leszek Koltunski	GLES30.glBindBuffer(GLES31.GL_ATOMIC_COUNTER_BUFFER, mAtomicCounter[i]);
723			GLES30.glBufferData(GLES31.GL_ATOMIC_COUNTER_BUFFER, 4, null, GLES30.GL_DYNAMIC_DRAW);
724	bfe45b4a	Leszek Koltunski	zeroBuffer();
725			}
726			}
727
728			// reading the value of the buffer on every frame would slow down rendering by
729	d99fcc9c	Leszek Koltunski	// about 3%; doing it only once every 5 frames affects speed by less than 1%.
730	bfe45b4a	Leszek Koltunski	if( mCurrBuffer==0 )
731			{
732	b7074bc6	Leszek Koltunski	GLES30.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[mCurrBuffer]);
733	bfe45b4a	Leszek Koltunski	counter = printPreviousBuffer();
734			}
735
736	5f35f1cb	Leszek Koltunski	if( ++mCurrBuffer>=mFBOQueueSize ) mCurrBuffer = 0;
737	bfe45b4a	Leszek Koltunski
738	b7074bc6	Leszek Koltunski	GLES30.glBindBufferBase(GLES31.GL_ATOMIC_COUNTER_BUFFER, 0, mAtomicCounter[mCurrBuffer]);
739	bfe45b4a	Leszek Koltunski	zeroBuffer();
740
741			return counter;
742			}
743
744			///////////////////////////////////////////////////////////////////////////////////////////////////
745	809dcae3	Leszek Koltunski	// Pass1 of the OIT algorithm. Clear per-pixel head-pointers.
746	bfe45b4a	Leszek Koltunski
747	7602a827	Leszek Koltunski	static void oitClear(InternalOutputSurface surface, int counter)
748	bfe45b4a	Leszek Koltunski	{
749	d99fcc9c	Leszek Koltunski	if( mOITClearProgram==null )
750	bfe45b4a	Leszek Koltunski	{
751	d99fcc9c	Leszek Koltunski	if( mGLSL>=310 && !mOITCompilationAttempted )
752	f482efa3	Leszek Koltunski	{
753	d99fcc9c	Leszek Koltunski	mOITCompilationAttempted = true;
754	bfe45b4a	Leszek Koltunski
755	d99fcc9c	Leszek Koltunski	try
756			{
757			createOITProgram(mResources);
758			}
759			catch(Exception ex)
760			{
761			mListener.distortedException(ex);
762			return;
763			}
764	f482efa3	Leszek Koltunski	}
765	d99fcc9c	Leszek Koltunski	else
766	f482efa3	Leszek Koltunski	{
767	d99fcc9c	Leszek Koltunski	return;
768	f482efa3	Leszek Koltunski	}
769	d99fcc9c	Leszek Koltunski	}
770	bfe45b4a	Leszek Koltunski
771	d99fcc9c	Leszek Koltunski	if( mLinkedListSSBO[0]<0 )
772			{
773			GLES30.glGenBuffers(1,mLinkedListSSBO,0);
774	bfe45b4a	Leszek Koltunski
775	d99fcc9c	Leszek Koltunski	int size = (int)(surface.mWidthsurface.mHeight(3mBufferSize+1)4);
776			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
777			GLES30.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, size, null, GLES30.GL_DYNAMIC_READ\|GLES30.GL_DYNAMIC_DRAW);
778			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
779
780			GLES30.glBindBufferBase(GLES31.GL_SHADER_STORAGE_BUFFER, 1, mLinkedListSSBO[0]);
781			}
782
783			// See if we have overflown the SSBO in one of the previous frames.
784			// If yes, assume we need to make the SSBO larger.
785			float overflow = counter/(mBufferSizesurface.mWidthsurface.mHeight);
786
787			if( overflow>1.0f )
788			{
789			mBufferSize *= (int)(overflow+1.0f);
790			int size = (int)(surface.mWidthsurface.mHeight(3mBufferSize+1)4);
791			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, mLinkedListSSBO[0]);
792			GLES30.glBufferData(GLES31.GL_SHADER_STORAGE_BUFFER, size, null, GLES30.GL_DYNAMIC_READ\|GLES30.GL_DYNAMIC_DRAW);
793			GLES30.glBindBuffer(GLES31.GL_SHADER_STORAGE_BUFFER, 0);
794	f482efa3	Leszek Koltunski	}
795	d99fcc9c	Leszek Koltunski
796			mOITClearProgram.useProgram();
797
798			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
799			GLES30.glUniform2f(mOITClearTexCorrH, 1.0f, 1.0f ); // corrections do not really matter here - only present because of common vertex shader.
800			GLES30.glUniform1f( mOITClearDepthH , 1.0f); // likewise depth
801			GLES30.glUniform2ui(mOITClearSizeH, surface.mWidth, surface.mHeight);
802			GLES30.glVertexAttribPointer(mOITClearProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
803			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
804	bfe45b4a	Leszek Koltunski	}
805
806			///////////////////////////////////////////////////////////////////////////////////////////////////
807			// Pass2 of the OIT algorithm - build per-pixel linked lists.
808
809	7602a827	Leszek Koltunski	static void oitBuild(InternalOutputSurface surface, float corrW, float corrH)
810	bfe45b4a	Leszek Koltunski	{
811	f482efa3	Leszek Koltunski	if( mOITBuildProgram!=null )
812			{
813			mOITBuildProgram.useProgram();
814
815			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
816			GLES30.glUniform1i(mOITBuildTextureH, 0);
817			GLES30.glUniform1i(mOITBuildDepthTextureH, 1);
818			GLES30.glUniform2f(mOITBuildTexCorrH, corrW, corrH );
819			GLES30.glUniform2ui(mOITBuildSizeH, surface.mWidth, surface.mHeight);
820			GLES30.glUniform1ui(mOITBuildNumRecordsH, (int)(mBufferSizesurface.mWidthsurface.mHeight) );
821			GLES30.glUniform1f(mOITBuildDepthH , 1.0f-surface.mNear);
822			GLES30.glVertexAttribPointer(mOITBuildProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
823			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
824			}
825	bfe45b4a	Leszek Koltunski	}
826
827			///////////////////////////////////////////////////////////////////////////////////////////////////
828			// Pass3 of the OIT algorithm. Cut occluded parts of the linked list.
829
830	7602a827	Leszek Koltunski	static void oitCollapse(InternalOutputSurface surface, float corrW, float corrH)
831	bfe45b4a	Leszek Koltunski	{
832	f482efa3	Leszek Koltunski	if( mOITCollapseProgram!=null )
833			{
834			mOITCollapseProgram.useProgram();
835
836			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
837			GLES30.glUniform1i(mOITCollapseDepthTextureH, 1);
838			GLES30.glUniform2f(mOITCollapseTexCorrH, corrW, corrH );
839			GLES30.glUniform2ui(mOITCollapseSizeH, surface.mWidth, surface.mHeight);
840			GLES30.glUniform1f( mOITCollapseDepthH , 1.0f-surface.mNear);
841			GLES30.glVertexAttribPointer(mOITCollapseProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
842			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
843			}
844	bfe45b4a	Leszek Koltunski	}
845
846			///////////////////////////////////////////////////////////////////////////////////////////////////
847			// Pass4 of the OIT algorithm. Render all the transparent pixels from the per-pixel linked lists.
848
849	7602a827	Leszek Koltunski	static void oitRender(InternalOutputSurface surface, float corrW, float corrH)
850	bfe45b4a	Leszek Koltunski	{
851	f482efa3	Leszek Koltunski	if( mOITRenderProgram!=null )
852			{
853			mOITRenderProgram.useProgram();
854
855			GLES30.glViewport(0, 0, surface.mWidth, surface.mHeight );
856			GLES30.glUniform2f(mOITRenderTexCorrH, corrW, corrH );
857			GLES30.glUniform2ui(mOITRenderSizeH, surface.mWidth, surface.mHeight);
858			GLES30.glUniform1f( mOITRenderDepthH , 1.0f-surface.mNear);
859			GLES30.glVertexAttribPointer(mOITRenderProgram.mAttribute[0], 2, GLES30.GL_FLOAT, false, 0, mQuadPositions);
860			GLES30.glDrawArrays(GLES30.GL_TRIANGLE_STRIP, 0, 4);
861			}
862	bfe45b4a	Leszek Koltunski	}
863
864			///////////////////////////////////////////////////////////////////////////////////////////////////
865
866			static void setSSBOSize(float size)
867			{
868			mBufferSize = size;
869			}
870
871	5f35f1cb	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
872
873			static int getQueueSize()
874			{
875			return mFBOQueueSize;
876			}
877
878	edea9cf3	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
879			// ARM Mali driver r12 has problems when we keep swapping many FBOs (fixed in r22)
880	b7074bc6	Leszek Koltunski	// PowerVR GE8100 / GE8300 compiler fails to compile OIT programs.
881	edea9cf3	Leszek Koltunski
882	5f35f1cb	Leszek Koltunski	private static void detectBuggyDriversAndSetQueueSize(int queueSize)
883	edea9cf3	Leszek Koltunski	{
884	b7074bc6	Leszek Koltunski	String vendor = GLES30.glGetString(GLES30.GL_VENDOR);
885			String version = GLES30.glGetString(GLES30.GL_VERSION);
886			String renderer= GLES30.glGetString(GLES30.GL_RENDERER);
887	edea9cf3	Leszek Koltunski
888	5f35f1cb	Leszek Koltunski	mFBOQueueSize = 1;
889	edea9cf3	Leszek Koltunski
890			if( vendor.contains("ARM") )
891			{
892	5f35f1cb	Leszek Koltunski	try
893	edea9cf3	Leszek Koltunski	{
894	5f35f1cb	Leszek Koltunski	String regex = ".r(\\d+)p\\d.";
895			Pattern pattern = Pattern.compile(regex);
896			Matcher matcher = pattern.matcher(version);
897
898			if( matcher.find() )
899			{
900			String driverVersion = matcher.group(1);
901
902			if( driverVersion!=null )
903			{
904			int drvVersion = Integer.parseInt(driverVersion);
905
906			if( drvVersion<22 )
907			{
908			Log.e("DISTORTED", "You are running this on a ARM Mali driver r"+driverVersion+".\n" +
909			"This is a buggy driver, please update to r22. Inserting workaround which uses a lot of memory.");
910
911			mFBOQueueSize = queueSize;
912			}
913			}
914			}
915			}
916			catch(Exception ex)
917			{
918			android.util.Log.e("library", "exception trying to pattern match version: "+ex.toString());
919	edea9cf3	Leszek Koltunski	}
920			}
921			else if( vendor.contains("Imagination") )
922			{
923			if( renderer.contains("GE8") )
924			{
925	b7074bc6	Leszek Koltunski	Log.e("DISTORTED", "You are running this on a PowerVR GE8XXX.\nDue to a buggy compiler OIT rendering will not work");
926	a79650a2	Leszek Koltunski	Log.e("DISTORTED", "GLSL Version "+GLES30.glGetString(GLES31.GL_SHADING_LANGUAGE_VERSION));
927	edea9cf3	Leszek Koltunski	}
928			}
929			}
930
931	b7074bc6	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
932			/**
933			* Return OpenGL ES version supported by the hardware we are running on.
934	60fdf71d	Leszek Koltunski	* There are only three possibilities: 300 (OpenGL ES 3.0) or 310 (at least OpenGL ES 3.1)
935			* or 200 (OpenGL ES 2.0)
936	b7074bc6	Leszek Koltunski	*/
937	60fdf71d	Leszek Koltunski	public static int getGLSL()
938	b7074bc6	Leszek Koltunski	{
939			return mGLSL;
940			}
941
942	421c2728	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
943	310e14fb	leszek	/**
944			* Have we called onCreate yet, ie have we initialized the library?
945	1dfc9074	leszek	* @return <code>true</code> if the library is initialized and ready for action.
946	310e14fb	leszek	*/
947			public static boolean isInitialized()
948	421c2728	Leszek Koltunski	{
949	55c14a19	Leszek Koltunski	return mInitialized;
950	421c2728	Leszek Koltunski	}
951
952	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
953			/**
954	c43abe6c	Leszek Koltunski	* When OpenGL context gets created, call this method so that the library can initialise its internal data structures.
955	432442f9	Leszek Koltunski	* I.e. best called from GLSurfaceView.onCreate().
956	6a06a912	Leszek Koltunski	* <p>
957	432442f9	Leszek Koltunski	* Needs to be called from a thread holding the OpenGL context.
958	5f35f1cb	Leszek Koltunski	*
959	015642fb	Leszek Koltunski	* @param context Context of the App using the library - used to open up Resources and read Shader code.
960	d99fcc9c	Leszek Koltunski	* @param listener The library will send all (asynchronous!) exceptions there.
961	6a06a912	Leszek Koltunski	*/
962	d99fcc9c	Leszek Koltunski	public static void onCreate(final Context context, final ExceptionListener listener)
963	5f35f1cb	Leszek Koltunski	{
964	d99fcc9c	Leszek Koltunski	onCreate(context,listener,4);
965	5f35f1cb	Leszek Koltunski	}
966
967			///////////////////////////////////////////////////////////////////////////////////////////////////
968			/**
969			* When OpenGL context gets created, call this method so that the library can initialise its internal data structures.
970			* I.e. best called from GLSurfaceView.onCreate().
971			* <p>
972			* Needs to be called from a thread holding the OpenGL context.
973			*
974			* @param context Context of the App using the library - used to open up Resources and read Shader code.
975	d99fcc9c	Leszek Koltunski	* @param listener The library will send all (asynchronous!) exceptions there.
976	5f35f1cb	Leszek Koltunski	* @param queueSize the size of the FBO queue, a workaround for the bug on Mali drivers.
977			*/
978	d99fcc9c	Leszek Koltunski	public static void onCreate(final Context context, final ExceptionListener listener, int queueSize)
979	d6e94c84	Leszek Koltunski	{
980	30beb34f	Leszek Koltunski	final ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
981			final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
982	b7074bc6	Leszek Koltunski
983			int glESversion = configurationInfo.reqGlEsVersion;
984			int major = glESversion >> 16;
985			int minor = glESversion & 0xff;
986
987	d99fcc9c	Leszek Koltunski	mListener = listener;
988
989	b7074bc6	Leszek Koltunski	if( major< 3 )
990			{
991			mGLSL = 100major + 10minor;
992	d99fcc9c	Leszek Koltunski	VertexCompilationException ex = new VertexCompilationException("at least OpenGL ES 3.0 required, this device supports only "+major+"."+minor);
993			mListener.distortedException(ex);
994	b7074bc6	Leszek Koltunski	}
995			else
996			{
997			mGLSL = (major==3 && minor==0) ? 300 : 310;
998			}
999
1000			android.util.Log.e("DISTORTED", "Using OpenGL ES "+major+"."+minor);
1001			mGLSL_VERSION = "#version "+mGLSL+" es\n";
1002	edea9cf3	Leszek Koltunski
1003			mInitialized = true;
1004	d99fcc9c	Leszek Koltunski	mOITCompilationAttempted = false;
1005	edea9cf3	Leszek Koltunski
1006	5f35f1cb	Leszek Koltunski	detectBuggyDriversAndSetQueueSize(queueSize);
1007	edea9cf3	Leszek Koltunski
1008	0e924ba5	Leszek Koltunski	EffectMessageSender.startSending();
1009
1010	d99fcc9c	Leszek Koltunski	mResources = context.getResources();
1011	edea9cf3	Leszek Koltunski
1012			try
1013			{
1014	d99fcc9c	Leszek Koltunski	createMainProgram();
1015	edea9cf3	Leszek Koltunski	}
1016			catch(Exception ex)
1017			{
1018	d99fcc9c	Leszek Koltunski	mListener.distortedException(ex);
1019	edea9cf3	Leszek Koltunski	}
1020
1021	f046b159	Leszek Koltunski	try
1022			{
1023	d99fcc9c	Leszek Koltunski	EffectQueuePostprocess.createPrograms(mResources, mGLSL);
1024	f046b159	Leszek Koltunski	}
1025			catch(Exception ex)
1026			{
1027	d99fcc9c	Leszek Koltunski	mListener.distortedException(ex);
1028	a13dde77	Leszek Koltunski	}
1029
1030	edea9cf3	Leszek Koltunski	try
1031			{
1032	b7074bc6	Leszek Koltunski	PostprocessEffect.createPrograms(mGLSL);
1033	edea9cf3	Leszek Koltunski	}
1034			catch(Exception ex)
1035			{
1036	d99fcc9c	Leszek Koltunski	mListener.distortedException(ex);
1037	edea9cf3	Leszek Koltunski	}
1038	6a06a912	Leszek Koltunski	}
1039
1040	05ecc6fe	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
1041			/**
1042	78e89fb5	Leszek Koltunski	* Call this so that the Library can release the OpenGL related data that needs to be recreated.
1043	05ecc6fe	Leszek Koltunski	* Must be called from Activity.onPause().
1044			*/
1045			public static void onPause()
1046			{
1047	7602a827	Leszek Koltunski	InternalObject.onPause();
1048	0273ef2a	Leszek Koltunski	Dynamic.onPause();
1049	bfe45b4a	Leszek Koltunski	mLinkedListSSBO[0]= -1;
1050	5f35f1cb	Leszek Koltunski	mAtomicCounter = null;
1051	fd836a41	Leszek Koltunski
1052			mFullProgram = null;
1053			mNormalProgram = null;
1054			mOITRenderProgram = null;
1055			mOITCollapseProgram = null;
1056			mOITBuildProgram = null;
1057			mOITClearProgram = null;
1058	05ecc6fe	Leszek Koltunski	}
1059
1060	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
1061			/**
1062			* Call this so that the Library can release its internal data structures.
1063			* Must be called from Activity.onDestroy().
1064			*/
1065			public static void onDestroy()
1066			{
1067	7602a827	Leszek Koltunski	InternalObject.onDestroy();
1068			InternalNodeData.onDestroy();
1069			InternalMaster.onDestroy();
1070			InternalOutputSurface.onDestroy();
1071	46b572b5	Leszek Koltunski	DistortedEffects.onDestroy();
1072	42571056	Leszek Koltunski	EffectQueue.onDestroy();
1073	26a4e5f6	leszek	Effect.onDestroy();
1074	07206c71	Leszek Koltunski	DeferredJobs.onDestroy();
1075	6a06a912	Leszek Koltunski	EffectMessageSender.stopSending();
1076	f8686932	Leszek Koltunski
1077	55c14a19	Leszek Koltunski	mInitialized = false;
1078	d99fcc9c	Leszek Koltunski	mOITCompilationAttempted = false;
1079
1080			mNormalProgram = null;
1081			mMainOITProgram = null;
1082			mMainProgram = null;
1083			mFullProgram = null;
1084			mOITClearProgram = null;
1085			mOITBuildProgram = null;
1086			mOITCollapseProgram= null;
1087			mOITRenderProgram = null;
1088			mBlitDepthProgram = null;
1089			mBlitProgram = null;
1090	6a06a912	Leszek Koltunski	}
1091	bfe45b4a	Leszek Koltunski
1092			///////////////////////////////////////////////////////////////////////////////////////////////////
1093			/**
1094			* Returns the maximum number of effects of a given type that can be simultaneously applied to a
1095			* single (InputSurface,MeshBase) combo.
1096			*
1097			* @param type {@link EffectType}
1098			* @return The maximum number of effects of a given type.
1099			*/
1100			@SuppressWarnings("unused")
1101			public static int getMax(EffectType type)
1102			{
1103			return EffectQueue.getMax(type.ordinal());
1104			}
1105
1106			///////////////////////////////////////////////////////////////////////////////////////////////////
1107			/**
1108			* Sets the maximum number of effects that can be stored in a single EffectQueue at one time.
1109			* This can fail if:
1110			* <ul>
1111			* <li>the value of 'max' is outside permitted range (0 ≤ max ≤ Byte.MAX_VALUE)
1112			* <li>We try to increase the value of 'max' when it is too late to do so already. It needs to be called
1113	7602a827	Leszek Koltunski	* before the Vertex Shader gets compiled, i.e. before the call to {@link DistortedLibrary#onCreate}. After this
1114	bfe45b4a	Leszek Koltunski	* time only decreasing the value of 'max' is permitted.
1115			* <li>Furthermore, this needs to be called before any instances of the DistortedEffects class get created.
1116			* </ul>
1117			*
1118			* @param type {@link EffectType}
1119			* @param max new maximum number of simultaneous effects. Has to be a non-negative number not greater
1120			* than Byte.MAX_VALUE
1121			* @return <code>true</code> if operation was successful, <code>false</code> otherwise.
1122			*/
1123			@SuppressWarnings("unused")
1124			public static boolean setMax(EffectType type, int max)
1125			{
1126			return EffectQueue.setMax(type.ordinal(),max);
1127			}
1128	f8f6d457	leszek	}

Project

General

Profile

Distorted Android

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 97755c02