|
1
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
2
|
// Copyright 2017 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
|
package org.distorted.library.effect;
|
|
21
|
|
|
22
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
23
|
/**
|
|
24
|
* Abstract class that represents an Effect that works by injecting certain code into the main Fragment shader.
|
|
25
|
*/
|
|
26
|
public abstract class FragmentEffect extends Effect
|
|
27
|
{
|
|
28
|
/**
|
|
29
|
* 8: 4-per effect interpolated values, 4 dimensional Region.
|
|
30
|
*/
|
|
31
|
public static final int NUM_UNIFORMS = 8;
|
|
32
|
private static String mGLSL = "";
|
|
33
|
private static int mNumEnabled = 0;
|
|
34
|
|
|
35
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
36
|
|
|
37
|
FragmentEffect(EffectName name)
|
|
38
|
{
|
|
39
|
super(name);
|
|
40
|
}
|
|
41
|
|
|
42
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
43
|
// prepare code to be injected into the 'main_fragment_shader' main() function.
|
|
44
|
|
|
45
|
static void addEffect(EffectName not_smooth, EffectName yes_smooth, String code)
|
|
46
|
{
|
|
47
|
int effect1 = not_smooth.ordinal();
|
|
48
|
int effect2 = yes_smooth.ordinal();
|
|
49
|
|
|
50
|
if( mEnabled[effect1] ) return;
|
|
51
|
|
|
52
|
mEnabled[effect1] = true;
|
|
53
|
mNumEnabled ++;
|
|
54
|
|
|
55
|
mGLSL +=
|
|
56
|
|
|
57
|
"if( fName[i]=="+effect1+")\n"
|
|
58
|
+ "{\n"
|
|
59
|
+ "degree = sign(degree); \n"
|
|
60
|
+ code +"\n"
|
|
61
|
+ "}\n"
|
|
62
|
+"else\n"
|
|
63
|
+"if( fName[i]=="+effect2+")\n"
|
|
64
|
+ "{\n"
|
|
65
|
+ code +"\n"
|
|
66
|
+ "}\n"
|
|
67
|
+"else\n";
|
|
68
|
}
|
|
69
|
|
|
70
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
71
|
/**
|
|
72
|
* Only for use by the library itself.
|
|
73
|
*
|
|
74
|
* @y.exclude
|
|
75
|
*/
|
|
76
|
public static String getGLSL()
|
|
77
|
{
|
|
78
|
return mGLSL + "{}";
|
|
79
|
}
|
|
80
|
|
|
81
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
82
|
|
|
83
|
static void destroyStatics()
|
|
84
|
{
|
|
85
|
mNumEnabled = 0;
|
|
86
|
mGLSL = "";
|
|
87
|
}
|
|
88
|
|
|
89
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
90
|
// PUBLIC API
|
|
91
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
92
|
/**
|
|
93
|
* Return the number of Fragment effects enabled.
|
|
94
|
*/
|
|
95
|
public static int getNumEnabled()
|
|
96
|
{
|
|
97
|
return mNumEnabled;
|
|
98
|
}
|
|
99
|
}
|