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

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 06ddd60d

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

Project

General

Profile

Distorted Android

library / src / main / java / org / distorted / library / main / DistortedLibrary.java @ 06ddd60d