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

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 0bd9f644

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

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library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 0bd9f644