Project

General

Profile

Download (3.88 KB) Statistics
| Branch: | Revision:

library / src / main / java / org / distorted / library / effect / VertexEffect.java @ fa8bc998

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 8eccf334 Leszek Koltunski
///////////////////////////////////////////////////////////////////////////////////////////////////
25 faa3ff56 Leszek Koltunski
/**
26 a20f274f Leszek Koltunski
 * Abstract class that represents an Effect that works by injecting certain code into the main Vertex shader.
27 faa3ff56 Leszek Koltunski
 */
28 8eccf334 Leszek Koltunski
public abstract class VertexEffect extends Effect
29
  {
30 faa3ff56 Leszek Koltunski
/**
31
 * 12: 5 per-effect interpolated values, 3-dimensional center, 4-dimensional Region
32
 */
33
  public static final int NUM_UNIFORMS = 12;
34 b24e4719 Leszek Koltunski
  static final int VALUES_OFFSET = 0;
35
  static final int CENTER_OFFSET = 5;
36
  static final int REGION_OFFSET = 8;
37 7cd24173 leszek
  private static String mGLSL = "";
38
  private static int mNumEnabled = 0;
39 15aa7d94 Leszek Koltunski
40 dd89c7f4 Leszek Koltunski
  final static Static4D MAX_REGION = new Static4D(0,0,0,1000000);
41
42 b547aaba leszek
///////////////////////////////////////////////////////////////////////////////////////////////////
43
44 a0d5e302 Leszek Koltunski
  VertexEffect(EffectName name)
45 b547aaba leszek
    {
46 9d0d8530 leszek
    super(name);
47 b547aaba leszek
    }
48 7cd24173 leszek
49
///////////////////////////////////////////////////////////////////////////////////////////////////
50 faa3ff56 Leszek Koltunski
// prepare code to be injected into the 'main_vertex_shader' main() function.
51 7cd24173 leszek
52
  static void addEffect(EffectName name, String code)
53
    {
54 9af837e8 leszek
    int effect = name.ordinal();
55
56
    if( mEnabled[effect] ) return;
57
58
    mEnabled[effect] = true;
59 7cd24173 leszek
    mNumEnabled ++;
60
61
    mGLSL +=
62
63 9af837e8 leszek
        "if( vName[i]=="+effect+")\n" +
64 7cd24173 leszek
          "{\n" +
65
           code +"\n" +
66
          "}\n" +
67
        "else\n";
68
    }
69
70
///////////////////////////////////////////////////////////////////////////////////////////////////
71 faa3ff56 Leszek Koltunski
/**
72
 * Only for use by the library itself.
73
 *
74
 * @y.exclude
75
 */
76 7cd24173 leszek
  public static String getGLSL()
77
    {
78
    return mGLSL + "{}";
79
    }
80
81
///////////////////////////////////////////////////////////////////////////////////////////////////
82 2f1f7570 Leszek Koltunski
83
  static void destroyStatics()
84 7cd24173 leszek
    {
85 faa3ff56 Leszek Koltunski
    mNumEnabled = 0;
86
    mGLSL = "";
87 7cd24173 leszek
    }
88
89
///////////////////////////////////////////////////////////////////////////////////////////////////
90 faa3ff56 Leszek Koltunski
// PUBLIC API
91
///////////////////////////////////////////////////////////////////////////////////////////////////
92
/**
93 6b816678 Leszek Koltunski
 * Return the number of Vertex effects enabled.
94 faa3ff56 Leszek Koltunski
 */
95
  public static int getNumEnabled()
96 7cd24173 leszek
    {
97 faa3ff56 Leszek Koltunski
    return mNumEnabled;
98 7cd24173 leszek
    }
99 8eccf334 Leszek Koltunski
  }