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

library / src / main / java / org / distorted / library / Distorted.java @ 3d804c91

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	6a06a912	Leszek Koltunski	import android.opengl.GLES20;
24	432442f9	Leszek Koltunski	import org.distorted.library.program.*;
25	6a06a912	Leszek Koltunski
26	432442f9	Leszek Koltunski	import java.io.InputStream;
27	6a06a912	Leszek Koltunski
28			///////////////////////////////////////////////////////////////////////////////////////////////////
29			/**
30			* A singleton class used to control various global settings.
31			*/
32			public class Distorted
33	39cbf9dc	Leszek Koltunski	{
34	6a06a912	Leszek Koltunski	/**
35	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedTexture (or Tree) from another instance, do not clone anything.
36	6a06a912	Leszek Koltunski	* Used in the copy constructor.
37			*/
38			public static final int CLONE_NOTHING = 0x0;
39			/**
40	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedTexture from another instance, clone the Bitmap that's
41			* backing up our DistortedTexture.
42	6a06a912	Leszek Koltunski	* <p>
43	cacc63de	Leszek Koltunski	* This way we can have two DistortedTextures, both backed up by the same Bitmap, to which we can
44	6a06a912	Leszek Koltunski	* apply different effects. Used in the copy constructor.
45			*/
46			public static final int CLONE_BITMAP = 0x1;
47			/**
48	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Matrix Effects.
49	6a06a912	Leszek Koltunski	* <p>
50	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the MATRIX queue.
51	6a06a912	Leszek Koltunski	*/
52	015642fb	Leszek Koltunski	public static final int CLONE_MATRIX = 0x2;
53	6a06a912	Leszek Koltunski	/**
54	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Vertex Effects.
55	6a06a912	Leszek Koltunski	* <p>
56	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the VERTEX queue.
57	6a06a912	Leszek Koltunski	*/
58			public static final int CLONE_VERTEX = 0x4;
59			/**
60	cacc63de	Leszek Koltunski	* When creating an instance of a DistortedEffects from another instance, clone the Fragment Effects.
61	6a06a912	Leszek Koltunski	* <p>
62	cacc63de	Leszek Koltunski	* This way we can have two different DistortedEffects sharing the FRAGMENT queue.
63	6a06a912	Leszek Koltunski	*/
64			public static final int CLONE_FRAGMENT= 0x8;
65			/**
66	421c2728	Leszek Koltunski	* When creating an instance of a DistortedTree from another instance, clone the children Nodes.
67	6a06a912	Leszek Koltunski	* <p>
68	cacc63de	Leszek Koltunski	* This is mainly useful for creating many similar sub-trees and rendering then at different places
69			* on the screen with (optionally) different Effects.
70	6a06a912	Leszek Koltunski	*/
71			public static final int CLONE_CHILDREN= 0x10;
72	b3618cb5	Leszek Koltunski
73	6a06a912	Leszek Koltunski	private static boolean mInitialized = false;
74	57578636	Leszek Koltunski
75	3d804c91	Leszek Koltunski	static int[] mMainProgramAttributes;
76	6a06a912	Leszek Koltunski
77			///////////////////////////////////////////////////////////////////////////////////////////////////
78
79			private Distorted()
80			{
81
82			}
83
84	421c2728	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
85
86			static boolean isInitialized()
87			{
88			return mInitialized;
89			}
90
91	6a06a912	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
92			/**
93			* When OpenGL context gets created, you need to call this method so that the library can initialise its internal data structures.
94	432442f9	Leszek Koltunski	* I.e. best called from GLSurfaceView.onCreate().
95	6a06a912	Leszek Koltunski	* <p>
96	432442f9	Leszek Koltunski	* Needs to be called from a thread holding the OpenGL context.
97	6a06a912	Leszek Koltunski	*
98	015642fb	Leszek Koltunski	* @param context Context of the App using the library - used to open up Resources and read Shader code.
99	6a06a912	Leszek Koltunski	* @throws FragmentCompilationException
100			* @throws VertexCompilationException
101			* @throws VertexUniformsException
102			* @throws FragmentUniformsException
103			* @throws LinkingException
104			*/
105	432442f9	Leszek Koltunski	public static void onCreate(final Context context)
106			throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
107	6a06a912	Leszek Koltunski	{
108			mInitialized = true;
109	f6fb3c6d	Leszek Koltunski
110	432442f9	Leszek Koltunski	final InputStream vertexStream = context.getResources().openRawResource(R.raw.main_vertex_shader);
111			final InputStream fragmentStream = context.getResources().openRawResource(R.raw.main_fragment_shader);
112	57578636	Leszek Koltunski
113	432442f9	Leszek Koltunski	DistortedProgram mainProgram = new DistortedProgram(vertexStream,fragmentStream);
114			int programH = mainProgram.getProgramHandle();
115	3f3bf7dc	Leszek Koltunski	GLES20.glUseProgram(programH);
116	432442f9	Leszek Koltunski	mainProgram.bindAndEnableAttributes();
117	3d804c91	Leszek Koltunski	mMainProgramAttributes = mainProgram.getAttributes();
118	57578636	Leszek Koltunski
119	3f3bf7dc	Leszek Koltunski	int textureUniformH = GLES20.glGetUniformLocation(programH, "u_Texture");
120	57578636	Leszek Koltunski
121	6a06a912	Leszek Koltunski	GLES20.glEnable (GLES20.GL_DEPTH_TEST);
122			GLES20.glDepthFunc(GLES20.GL_LEQUAL);
123			GLES20.glEnable(GLES20.GL_BLEND);
124			GLES20.glBlendFunc(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE_MINUS_SRC_ALPHA);
125	0ce6fcef	Leszek Koltunski	GLES20.glEnable(GLES20.GL_CULL_FACE);
126			GLES20.glCullFace(GLES20.GL_BACK);
127	5bf698ee	Leszek Koltunski	GLES20.glFrontFace(GLES20.GL_CW);
128	57578636	Leszek Koltunski	GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
129	3f3bf7dc	Leszek Koltunski	GLES20.glUniform1i(textureUniformH, 0);
130	8c893ffc	Leszek Koltunski
131	3f3bf7dc	Leszek Koltunski	EffectQueueFragment.getUniforms(programH);
132			EffectQueueVertex.getUniforms(programH);
133			EffectQueueMatrix.getUniforms(programH);
134	432442f9	Leszek Koltunski
135	421c2728	Leszek Koltunski	DistortedTree.reset();
136	6a06a912	Leszek Koltunski	EffectMessageSender.startSending();
137			}
138
139			///////////////////////////////////////////////////////////////////////////////////////////////////
140			/**
141			* Call this so that the Library can release its internal data structures.
142			* Must be called from Activity.onDestroy().
143			*/
144			public static void onDestroy()
145			{
146	7b8086eb	Leszek Koltunski	DistortedTexture.onDestroy();
147			DistortedFramebuffer.onDestroy();
148	421c2728	Leszek Koltunski	DistortedTree.onDestroy();
149	7b8086eb	Leszek Koltunski	EffectQueue.onDestroy();
150	421c2728	Leszek Koltunski	DistortedEffects.onDestroy();
151	6a06a912	Leszek Koltunski	EffectMessageSender.stopSending();
152
153			mInitialized = false;
154			}
155	39cbf9dc	Leszek Koltunski	}

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library / src / main / java / org / distorted / library / Distorted.java @ 3d804c91