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

library / src / main / java / org / distorted / library / Distorted.java @ c638c1b0

1	d333eb6b	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
2			// Copyright 2016 Leszek Koltunski //
3			// //
4			// This file is part of Distorted. //
5			// //
6			// Distorted is free software: you can redistribute it and/or modify //
7			// 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			// Distorted is distributed in the hope that it will be useful, //
12			// 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			// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
18			///////////////////////////////////////////////////////////////////////////////////////////////////
19
20	6a06a912	Leszek Koltunski	package org.distorted.library;
21
22	7845dc66	Leszek Koltunski	import android.content.Context;
23	d6e94c84	Leszek Koltunski	import android.content.res.Resources;
24	6a06a912	Leszek Koltunski	import android.opengl.GLES20;
25	432442f9	Leszek Koltunski	import org.distorted.library.program.*;
26	6a06a912	Leszek Koltunski
27	432442f9	Leszek Koltunski	import java.io.InputStream;
28	6a06a912	Leszek Koltunski
29			///////////////////////////////////////////////////////////////////////////////////////////////////
30			/**
31			* A singleton class used to control various global settings.
32			*/
33			public class Distorted
34	39cbf9dc	Leszek Koltunski	{
35	6a06a912	Leszek Koltunski	/**
36	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedTexture (or Tree) from another instance, do not clone anything.
37	6a06a912	Leszek Koltunski	* Used in the copy constructor.
38			*/
39			public static final int CLONE_NOTHING = 0x0;
40			/**
41	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedTexture from another instance, clone the Bitmap that's
42			* backing up our DistortedTexture.
43	6a06a912	Leszek Koltunski	* <p>
44	cacc63de	Leszek Koltunski	* This way we can have two DistortedTextures, both backed up by the same Bitmap, to which we can
45	6a06a912	Leszek Koltunski	* apply different effects. Used in the copy constructor.
46			*/
47			public static final int CLONE_BITMAP = 0x1;
48			/**
49	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Matrix Effects.
50	6a06a912	Leszek Koltunski	* <p>
51	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the MATRIX queue.
52	6a06a912	Leszek Koltunski	*/
53	015642fb	Leszek Koltunski	public static final int CLONE_MATRIX = 0x2;
54	6a06a912	Leszek Koltunski	/**
55	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Vertex Effects.
56	6a06a912	Leszek Koltunski	* <p>
57	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the VERTEX queue.
58	6a06a912	Leszek Koltunski	*/
59			public static final int CLONE_VERTEX = 0x4;
60			/**
61	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Fragment Effects.
62	6a06a912	Leszek Koltunski	* <p>
63	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the FRAGMENT queue.
64	6a06a912	Leszek Koltunski	*/
65			public static final int CLONE_FRAGMENT= 0x8;
66	d6e94c84	Leszek Koltunski	/**
67			* When creating an instance of a DistortedEffects from another instance, clone the PostProcess Effects.
68			* <p>
69			* This way we can have two different DistortedEffects sharing the POSTPROCESS queue.
70			*/
71			public static final int CLONE_POSTPROCESS= 0x10;
72	6a06a912	Leszek Koltunski	/**
73	421c2728	Leszek Koltunski	* When creating an instance of a DistortedTree from another instance, clone the children Nodes.
74	6a06a912	Leszek Koltunski	* <p>
75	cacc63de	Leszek Koltunski	* This is mainly useful for creating many similar sub-trees and rendering then at different places
76			* on the screen with (optionally) different Effects.
77	6a06a912	Leszek Koltunski	*/
78	d6e94c84	Leszek Koltunski	public static final int CLONE_CHILDREN= 0x20;
79	b3618cb5	Leszek Koltunski
80	3d804c91	Leszek Koltunski	static int[] mMainProgramAttributes;
81	d6e94c84	Leszek Koltunski	static int[] mPostProgramAttributes;
82
83			static int mainProgramH, postProgramH;
84	6a06a912	Leszek Koltunski
85			///////////////////////////////////////////////////////////////////////////////////////////////////
86	c638c1b0	Leszek Koltunski	// private: hide this from Javadoc
87	6a06a912	Leszek Koltunski
88			private Distorted()
89			{
90
91			}
92
93	c638c1b0	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
94
95			static DistortedFramebuffer getFBO(int w, int h)
96			{
97			// TODO: a static factory of Framebuffers.
98
99			return null;
100			}
101
102	421c2728	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
103
104			static boolean isInitialized()
105			{
106	f8686932	Leszek Koltunski	return (mMainProgramAttributes!=null);
107	421c2728	Leszek Koltunski	}
108
109	c638c1b0	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
110			/**
111			* Release all internal memory caches (in particular the FBOs used as buffers for postprocessing)
112			*/
113			public static void clean()
114			{
115			// TODO
116			}
117
118	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
119			/**
120			* When OpenGL context gets created, you need to call this method so that the library can initialise its internal data structures.
121	432442f9	Leszek Koltunski	* I.e. best called from GLSurfaceView.onCreate().
122	6a06a912	Leszek Koltunski	* <p>
123	432442f9	Leszek Koltunski	* Needs to be called from a thread holding the OpenGL context.
124	6a06a912	Leszek Koltunski	*
125	015642fb	Leszek Koltunski	* @param context Context of the App using the library - used to open up Resources and read Shader code.
126	6a06a912	Leszek Koltunski	* @throws FragmentCompilationException
127			* @throws VertexCompilationException
128			* @throws VertexUniformsException
129			* @throws FragmentUniformsException
130			* @throws LinkingException
131			*/
132	432442f9	Leszek Koltunski	public static void onCreate(final Context context)
133			throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
134	d6e94c84	Leszek Koltunski	{
135			final Resources resources = context.getResources();
136	57578636	Leszek Koltunski
137	d6e94c84	Leszek Koltunski	final InputStream mainVertexStream = resources.openRawResource(R.raw.main_vertex_shader);
138			final InputStream mainFragmentStream = resources.openRawResource(R.raw.main_fragment_shader);
139
140			DistortedProgram mainProgram = new DistortedProgram(mainVertexStream,mainFragmentStream);
141			mainProgramH = mainProgram.getProgramHandle();
142			GLES20.glUseProgram(mainProgramH);
143	432442f9	Leszek Koltunski	mainProgram.bindAndEnableAttributes();
144	3d804c91	Leszek Koltunski	mMainProgramAttributes = mainProgram.getAttributes();
145	57578636	Leszek Koltunski
146	6a06a912	Leszek Koltunski	GLES20.glDepthFunc(GLES20.GL_LEQUAL);
147			GLES20.glEnable(GLES20.GL_BLEND);
148			GLES20.glBlendFunc(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA);
149	0ce6fcef	Leszek Koltunski	GLES20.glEnable(GLES20.GL_CULL_FACE);
150			GLES20.glCullFace(GLES20.GL_BACK);
151	5bf698ee	Leszek Koltunski	GLES20.glFrontFace(GLES20.GL_CW);
152	8c893ffc	Leszek Koltunski
153	d6e94c84	Leszek Koltunski	EffectQueueFragment.getUniforms(mainProgramH);
154			EffectQueueVertex.getUniforms(mainProgramH);
155			EffectQueueMatrix.getUniforms(mainProgramH);
156			DistortedTexture.getUniforms(mainProgramH);
157
158			final InputStream postVertexStream = resources.openRawResource(R.raw.post_vertex_shader);
159			final InputStream postFragmentStream = resources.openRawResource(R.raw.post_fragment_shader);
160
161			DistortedProgram postProgram = new DistortedProgram(postVertexStream,postFragmentStream);
162			postProgramH = postProgram.getProgramHandle();
163			GLES20.glUseProgram(postProgramH);
164			postProgram.bindAndEnableAttributes();
165			mPostProgramAttributes = postProgram.getAttributes();
166
167			EffectQueuePostprocess.getUniforms(postProgramH);
168	432442f9	Leszek Koltunski
169	421c2728	Leszek Koltunski	DistortedTree.reset();
170	6a06a912	Leszek Koltunski	EffectMessageSender.startSending();
171			}
172
173			///////////////////////////////////////////////////////////////////////////////////////////////////
174			/**
175			* Call this so that the Library can release its internal data structures.
176			* Must be called from Activity.onDestroy().
177			*/
178			public static void onDestroy()
179			{
180	7b8086eb	Leszek Koltunski	DistortedTexture.onDestroy();
181			DistortedFramebuffer.onDestroy();
182	421c2728	Leszek Koltunski	DistortedTree.onDestroy();
183	7b8086eb	Leszek Koltunski	EffectQueue.onDestroy();
184	421c2728	Leszek Koltunski	DistortedEffects.onDestroy();
185	6a06a912	Leszek Koltunski	EffectMessageSender.stopSending();
186	f8686932	Leszek Koltunski
187			mMainProgramAttributes = null;
188	6a06a912	Leszek Koltunski	}
189	39cbf9dc	Leszek Koltunski	}

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library / src / main / java / org / distorted / library / Distorted.java @ c638c1b0