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
|
/**
* 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 jogamp.graph.curve.opengl;
import javax.media.opengl.GL;
import javax.media.opengl.GL2ES2;
import jogamp.graph.curve.opengl.shader.AttributeNames;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.glsl.ShaderState;
public class VBORegionSPES2 extends GLRegion {
private GLArrayDataServer verticeAttr = null;
private GLArrayDataServer texCoordAttr = null;
private GLArrayDataServer indicesBuffer = null;
private boolean buffersAttached = false;
public VBORegionSPES2(final int renderModes) {
super(renderModes);
final int initialElementCount = 256;
indicesBuffer = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
verticeAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
texCoordAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 3, GL2ES2.GL_FLOAT,
false, initialElementCount, GL.GL_STATIC_DRAW);
}
@Override
protected final void clearImpl(final GL2ES2 gl, final RegionRenderer renderer) {
if(DEBUG_INSTANCE) {
System.err.println("VBORegionSPES2 Clear: " + this);
}
if( null != indicesBuffer ) {
indicesBuffer.seal(gl, false);
indicesBuffer.rewind();
}
if( null != verticeAttr ) {
verticeAttr.seal(gl, false);
verticeAttr.rewind();
}
if( null != texCoordAttr ) {
texCoordAttr.seal(gl, false);
texCoordAttr.rewind();
}
}
@Override
protected final void pushVertex(float[] coords, float[] texParams) {
verticeAttr.putf(coords[0]);
verticeAttr.putf(coords[1]);
verticeAttr.putf(coords[2]);
texCoordAttr.putf(texParams[0]);
texCoordAttr.putf(texParams[1]);
texCoordAttr.putf(texParams[2]);
}
@Override
protected final void pushIndex(int idx) {
indicesBuffer.puts((short)idx);
}
@Override
protected void updateImpl(final GL2ES2 gl, final RegionRenderer renderer) {
if( !buffersAttached ) {
final ShaderState st = renderer.getShaderState();
st.ownAttribute(verticeAttr, true);
st.ownAttribute(texCoordAttr, true);
buffersAttached = true;
}
// seal buffers
indicesBuffer.seal(gl, true);
indicesBuffer.enableBuffer(gl, false);
verticeAttr.seal(gl, true);
verticeAttr.enableBuffer(gl, false);
texCoordAttr.seal(gl, true);
texCoordAttr.enableBuffer(gl, false);
if(DEBUG_INSTANCE) {
System.err.println("VBORegionSPES2 idx "+indicesBuffer);
System.err.println("VBORegionSPES2 ver "+verticeAttr);
System.err.println("VBORegionSPES2 tex "+texCoordAttr);
}
}
@Override
protected void drawImpl(final GL2ES2 gl, final RegionRenderer renderer, final int[/*1*/] sampleCount) {
if( 0 >= indicesBuffer.getElementCount() ) {
if(DEBUG_INSTANCE) {
System.err.printf("VBORegionSPES2.drawImpl: Empty%n");
}
return; // empty!
}
verticeAttr.enableBuffer(gl, true);
texCoordAttr.enableBuffer(gl, true);
indicesBuffer.bindBuffer(gl, true); // keeps VBO binding
gl.glDrawElements(GL2ES2.GL_TRIANGLES, indicesBuffer.getElementCount() * indicesBuffer.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);
indicesBuffer.bindBuffer(gl, false);
texCoordAttr.enableBuffer(gl, false);
verticeAttr.enableBuffer(gl, false);
}
@Override
protected void destroyImpl(final GL2ES2 gl, final RegionRenderer renderer) {
if(DEBUG_INSTANCE) {
System.err.println("VBORegionSPES2 Destroy: " + this);
}
final ShaderState st = renderer.getShaderState();
if(null != verticeAttr) {
st.ownAttribute(verticeAttr, false);
verticeAttr.destroy(gl);
verticeAttr = null;
}
if(null != texCoordAttr) {
st.ownAttribute(texCoordAttr, false);
texCoordAttr.destroy(gl);
texCoordAttr = null;
}
if(null != indicesBuffer) {
indicesBuffer.destroy(gl);
indicesBuffer = null;
}
}
}
|
