1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.graph.curve.opengl;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import javax.media.opengl.GL2ES2;
import com.jogamp.graph.curve.OutlineShape;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.RegionFactory;
import com.jogamp.graph.geom.Triangle;
import com.jogamp.graph.geom.Vertex;
public abstract class RegionRenderer extends Renderer {
private boolean uniform = true;
/**
* Create a Hardware accelerated Region Renderer.
* @param rs the used {@link RenderState}
* @param type either {@link com.jogamp.graph.curve.Region#SINGLE_PASS} or {@link com.jogamp.graph.curve.Region#TWO_PASS}
* @return an instance of Region Renderer
*/
public static RegionRenderer create(RenderState rs, int type) {
return new jogamp.graph.curve.opengl.RegionRendererImpl01(rs, type, true);
}
/** Create a Hardware accelerated Region Renderer.
* @param rs the used {@link RenderState}
* @param type either {@link com.jogamp.graph.curve.Region#SINGLE_PASS} or {@link com.jogamp.graph.curve.Region#TWO_PASS}
* @param unifrom flag true unifrom weights for offcurve vertex, else otherwise.
* @return an instance of Region Renderer
*/
public static RegionRenderer create(RenderState rs, int type, boolean unifrom) {
return new jogamp.graph.curve.opengl.RegionRendererImpl01(rs, type, unifrom);
}
protected RegionRenderer(RenderState rs, int type, boolean unifrom) {
super(rs, type);
this.uniform = unifrom;
}
public boolean isUniform(){
return uniform;
}
/** Render an array of {@link OutlineShape}s combined in one region
* at the position provided the triangles of the
* shapes will be generated, if not yet generated
* @param outlineShapes array of OutlineShapes to Render.
* @param position the initial translation of the outlineShapes.
* @param texSize texture size for multipass render *
* @throws Exception if HwRegionRenderer not initialized
*/
public abstract void renderOutlineShapes(GL2ES2 gl, OutlineShape[] outlineShapes, float[] position, int texSize);
/** Render an {@link OutlineShape} in 3D space at the position provided
* the triangles of the shapes will be generated, if not yet generated
* @param outlineShape the OutlineShape to Render.
* @param position the initial translation of the outlineShape.
* @param texSize texture size for multipass render
* @throws Exception if HwRegionRenderer not initialized
*/
public abstract void renderOutlineShape(GL2ES2 gl, OutlineShape outlineShape, float[] position, int texSize);
protected HashMap<Integer, Region> regions = new HashMap<Integer, Region>();
public void flushCache(GL2ES2 gl) {
Iterator<Region> iterator = regions.values().iterator();
while(iterator.hasNext()){
Region region = iterator.next();
region.destroy(gl, rs);
}
regions.clear();
}
@Override
protected void disposeImpl(GL2ES2 gl) {
// fluchCache(gl) already called
}
/**
* Create an ogl {@link Region} defining this {@link OutlineShape}
* @return the resulting Region.
*/
protected Region createRegion(GL2ES2 gl, OutlineShape outlineShape) {
Region region = RegionFactory.create(rs, renderType);
outlineShape.transformOutlines(OutlineShape.VerticesState.QUADRATIC_NURBS);
ArrayList<Triangle> triangles = (ArrayList<Triangle>) outlineShape.triangulate();
ArrayList<Vertex> vertices = (ArrayList<Vertex>) outlineShape.getVertices();
region.addVertices(vertices);
region.addTriangles(triangles);
region.update(gl);
return region;
}
/** Create an ogl {@link Region} defining the list of {@link OutlineShape}.
* Combining the Shapes into single buffers.
* @return the resulting Region inclusive the generated region
*/
protected Region createRegion(GL2ES2 gl, OutlineShape[] outlineShapes) {
Region region = RegionFactory.create(rs, renderType);
int numVertices = region.getNumVertices();
for(OutlineShape outlineShape:outlineShapes){
outlineShape.transformOutlines(OutlineShape.VerticesState.QUADRATIC_NURBS);
ArrayList<Triangle> triangles = outlineShape.triangulate();
region.addTriangles(triangles);
ArrayList<Vertex> vertices = outlineShape.getVertices();
for(Vertex vert:vertices){
vert.setId(numVertices++);
}
region.addVertices(vertices);
}
region.update(gl);
return region;
}
protected static int getHashCode(OutlineShape outlineShape){
return outlineShape.hashCode();
}
protected static int getHashCode(OutlineShape[] outlineShapes){
int hashcode = 0;
for(OutlineShape outlineShape:outlineShapes){
hashcode += getHashCode(outlineShape);
}
return hashcode;
}
}
|
