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

library / src / main / java / org / distorted / library / effect / VertexEffect.java @ f046b159

1	8eccf334	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
2			// Copyright 2017 Leszek Koltunski //
3			// //
4	46b572b5	Leszek Koltunski	// This file is part of Distorted. //
5	8eccf334	Leszek Koltunski	// //
6	46b572b5	Leszek Koltunski	// Distorted is free software: you can redistribute it and/or modify //
7	8eccf334	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	8eccf334	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	8eccf334	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
19
20			package org.distorted.library.effect;
21
22	dd89c7f4	Leszek Koltunski	import org.distorted.library.type.Static4D;
23
24	f046b159	Leszek Koltunski	import java.lang.reflect.Method;
25
26	8eccf334	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
27	faa3ff56	Leszek Koltunski	/**
28	a20f274f	Leszek Koltunski	* Abstract class that represents an Effect that works by injecting certain code into the main Vertex shader.
29	faa3ff56	Leszek Koltunski	*/
30	8eccf334	Leszek Koltunski	public abstract class VertexEffect extends Effect
31			{
32	faa3ff56	Leszek Koltunski	/**
33			* 12: 5 per-effect interpolated values, 3-dimensional center, 4-dimensional Region
34			*/
35			public static final int NUM_UNIFORMS = 12;
36	b24e4719	Leszek Koltunski	static final int VALUES_OFFSET = 0;
37			static final int CENTER_OFFSET = 5;
38			static final int REGION_OFFSET = 8;
39	7cd24173	leszek	private static String mGLSL = "";
40			private static int mNumEnabled = 0;
41	15aa7d94	Leszek Koltunski
42	f046b159	Leszek Koltunski	private static String mFullGLSL = "";
43			private static int mFullEnabled = 0;
44			private static boolean mFullPrepared = false;
45
46	dd89c7f4	Leszek Koltunski	final static Static4D MAX_REGION = new Static4D(0,0,0,1000000);
47
48	b547aaba	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
49
50	a0d5e302	Leszek Koltunski	VertexEffect(EffectName name)
51	b547aaba	leszek	{
52	9d0d8530	leszek	super(name);
53	b547aaba	leszek	}
54	7cd24173	leszek
55			///////////////////////////////////////////////////////////////////////////////////////////////////
56
57	f046b159	Leszek Koltunski	private static String retSection(int effect, String code)
58	7cd24173	leszek	{
59	f046b159	Leszek Koltunski	return
60	7cd24173	leszek
61	9af837e8	leszek	"if( vName[i]=="+effect+")\n" +
62	7cd24173	leszek	"{\n" +
63			code +"\n" +
64			"}\n" +
65			"else\n";
66			}
67
68	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
69			// prepare the code to be injected into the Full program, i.e. code of ALL vertex effects.
70
71			private static void prepareFull()
72			{
73			Method method;
74
75			for(EffectName name: EffectName.values())
76			{
77			if( name.getType() == EffectType.VERTEX )
78			{
79			Class<? extends Effect> cls = name.getEffectClass();
80
81			try
82			{
83			method = cls.getDeclaredMethod("code");
84			}
85			catch(NoSuchMethodException ex)
86			{
87			android.util.Log.e("Effect", "exception getting method: "+ex.getMessage());
88			method = null;
89			}
90
91			try
92			{
93			if( method!=null )
94			{
95			Object value = method.invoke(null);
96			String code = (String)value;
97			mFullGLSL += retSection(name.ordinal(),code);
98			mFullEnabled++;
99			}
100			}
101			catch(Exception ex)
102			{
103			android.util.Log.e("Effect", "exception invoking method: "+ex.getMessage());
104			}
105			}
106			}
107			}
108
109			///////////////////////////////////////////////////////////////////////////////////////////////////
110			// prepare code to be injected into the 'main_vertex_shader' main() function.
111
112			static void addEffect(EffectName name, String code)
113			{
114			int effect = name.ordinal();
115
116			if( !mEnabled[effect] )
117			{
118			mEnabled[effect] = true;
119			mNumEnabled ++;
120			mGLSL += retSection(effect,code);
121			}
122			}
123
124	7cd24173	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
125	faa3ff56	Leszek Koltunski	/**
126			* Only for use by the library itself.
127			*
128			* @y.exclude
129			*/
130	7cd24173	leszek	public static String getGLSL()
131			{
132			return mGLSL + "{}";
133			}
134
135	f046b159	Leszek Koltunski	///////////////////////////////////////////////////////////////////////////////////////////////////
136			/**
137			* Only for use by the library itself.
138			*
139			* @y.exclude
140			*/
141			public static String getAllGLSL()
142			{
143			if( !mFullPrepared )
144			{
145			prepareFull();
146			mFullPrepared = true;
147			}
148
149			return mFullGLSL + "{}";
150			}
151
152			///////////////////////////////////////////////////////////////////////////////////////////////////
153			/**
154			* Only for use by the library itself.
155			*
156			* @y.exclude
157			*/
158			public static int getAllEnabled()
159			{
160			if( !mFullPrepared )
161			{
162			prepareFull();
163			mFullPrepared = true;
164			}
165
166			return mFullEnabled;
167			}
168
169	7cd24173	leszek	///////////////////////////////////////////////////////////////////////////////////////////////////
170	2f1f7570	Leszek Koltunski
171			static void destroyStatics()
172	7cd24173	leszek	{
173	faa3ff56	Leszek Koltunski	mNumEnabled = 0;
174			mGLSL = "";
175	f046b159	Leszek Koltunski	mFullEnabled= 0;
176			mFullGLSL = "";
177			mFullPrepared = false;
178	7cd24173	leszek	}
179
180			///////////////////////////////////////////////////////////////////////////////////////////////////
181	faa3ff56	Leszek Koltunski	// PUBLIC API
182			///////////////////////////////////////////////////////////////////////////////////////////////////
183			/**
184	6b816678	Leszek Koltunski	* Return the number of Vertex effects enabled.
185	faa3ff56	Leszek Koltunski	*/
186			public static int getNumEnabled()
187	7cd24173	leszek	{
188	faa3ff56	Leszek Koltunski	return mNumEnabled;
189	7cd24173	leszek	}
190	8eccf334	Leszek Koltunski	}

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library / src / main / java / org / distorted / library / effect / VertexEffect.java @ f046b159