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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
package com.sun.opengl.util;
import javax.media.opengl.*;
import java.nio.*;
import com.sun.opengl.util.glsl.*;
public class GLArrayDataServer extends GLArrayDataClient implements GLArrayDataEditable {
//
// lifetime matters
//
/**
* Create a VBOBuffer object, using a predefined fixed function array index
* and starting with a given Buffer object incl it's stride
*
* On profiles GL2 and ES1 the fixed function pipeline behavior is as expected.
* On profile ES2 the fixed function emulation will transform these calls to
* EnableVertexAttribArray and VertexAttribPointer calls,
* and a predefined vertex attribute variable name will be choosen.
*
* @arg index The GL array index
* @arg name The optional custom name for the GL array index, maybe null.
* If null, the default name mapping will be used, see 'getPredefinedArrayIndexName(int)'.
* This name might be used as the shader attribute name.
* @arg comps The array component number
* @arg dataType The array index GL data type
* @arg normalized Wheather the data shall be normalized
*
* @see javax.media.opengl.GLContext#getPredefinedArrayIndexName(int)
*/
public static GLArrayDataServer createFixed(GL gl, int index, String name, int comps, int dataType, boolean normalized,
int stride, Buffer buffer, int vboBufferUsage)
throws GLException
{
gl.getGLProfile().isValidArrayDataType(index, comps, dataType, false, true);
GLArrayDataServer ads = new GLArrayDataServer();
GLArrayHandler glArrayHandler = new GLFixedArrayHandler(ads);
ads.init(gl, name, index, comps, dataType, normalized, stride, buffer, buffer.limit(), false, glArrayHandler,
0, 0, vboBufferUsage);
return ads;
}
/**
* Create a VBOBuffer object, using a predefined fixed function array index
* and starting with a new created Buffer object with initialSize size
*
* On profiles GL2 and ES1 the fixed function pipeline behavior is as expected.
* On profile ES2 the fixed function emulation will transform these calls to
* EnableVertexAttribArray and VertexAttribPointer calls,
* and a predefined vertex attribute variable name will be choosen.
*
* @see javax.media.opengl.GLContext#getPredefinedArrayIndexName(int)
*/
public static GLArrayDataServer createFixed(GL gl, int index, String name, int comps, int dataType, boolean normalized,
int initialSize, int vboBufferUsage)
throws GLException
{
gl.getGLProfile().isValidArrayDataType(index, comps, dataType, false, true);
GLArrayDataServer ads = new GLArrayDataServer();
GLArrayHandler glArrayHandler = new GLFixedArrayHandler(ads);
ads.init(gl, name, index, comps, dataType, normalized, 0, null, initialSize, false, glArrayHandler,
0, 0, vboBufferUsage);
return ads;
}
/**
* Create a VBOBuffer object, using a custom GLSL array attribute name
* and starting with a new created Buffer object with initialSize size
*
* @see javax.media.opengl.GLContext#getPredefinedArrayIndexName(int)
*/
public static GLArrayDataServer createGLSL(GL gl, String name, int comps, int dataType, boolean normalized,
int initialSize, int vboBufferUsage)
throws GLException
{
if(!gl.hasGLSL()) {
throw new GLException("GLArrayDataServer.GLSL not supported: "+gl);
}
gl.getGLProfile().isValidArrayDataType(-1, comps, dataType, true, true);
GLArrayDataServer ads = new GLArrayDataServer();
GLArrayHandler glArrayHandler = new GLSLArrayHandler(ads);
ads.init(gl, name, -1, comps, dataType, normalized, 0, null, initialSize, true, glArrayHandler,
0, 0, vboBufferUsage);
return ads;
}
/**
* Create a VBOBuffer object, using a custom GLSL array attribute name
* and starting with a given Buffer object incl it's stride
*
* @see javax.media.opengl.GLContext#getPredefinedArrayIndexName(int)
*/
public static GLArrayDataServer createGLSL(GL gl, String name, int comps, int dataType, boolean normalized,
int stride, Buffer buffer, int vboBufferUsage)
throws GLException
{
if(!gl.hasGLSL()) {
throw new GLException("GLArrayDataServer.GLSL not supported: "+gl);
}
gl.getGLProfile().isValidArrayDataType(-1, comps, dataType, true, true);
GLArrayDataServer ads = new GLArrayDataServer();
GLArrayHandler glArrayHandler = new GLSLArrayHandler(ads);
ads.init(gl, name, -1, comps, dataType, normalized, stride, buffer, buffer.limit(), true, glArrayHandler,
0, 0, vboBufferUsage);
return ads;
}
//
// Data matters GLArrayData
//
public int getBufferUsage() { return vboBufferUsage; }
//
// Data and GL state modification ..
//
public void destroy(GL gl) {
super.destroy(gl);
if(vboName!=0) {
int[] tmp = new int[1];
tmp[0] = vboName;
gl.glDeleteBuffers(1, tmp, 0);
vboName = 0;
}
}
//
// data matters
//
/**
* Convenient way do disable the VBO behavior and
* switch to client side data one
* Only possible if buffer is defined.
*/
public void setVBOUsage(boolean vboUsage) {
checkSeal(false);
super.setVBOUsage(vboUsage);
}
public String toString() {
return "GLArrayDataServer["+name+
", index "+index+
", location "+location+
", isVertexAttribute "+isVertexAttribute+
", dataType "+dataType+
", bufferClazz "+clazz+
", elements "+getElementNumber()+
", components "+components+
", stride "+stride+"u "+strideB+"b "+strideL+"c"+
", initialSize "+initialSize+
", vboBufferUsage "+vboBufferUsage+
", vboUsage "+vboUsage+
", vboName "+vboName+
", sealed "+sealed+
", bufferEnabled "+bufferEnabled+
", bufferWritten "+bufferWritten+
", buffer "+buffer+
", offset "+bufferOffset+
"]";
}
//
// non public matters ..
//
protected void init(GL gl, String name, int index, int comps, int dataType, boolean normalized,
int stride, Buffer data, int initialSize, boolean isVertexAttribute,
GLArrayHandler glArrayHandler,
int vboName, long bufferOffset, int vboBufferUsage)
throws GLException
{
super.init(name, index, comps, dataType, normalized, stride, data, initialSize, isVertexAttribute, glArrayHandler,
vboName, bufferOffset);
vboUsage=true;
if( ! (gl.isGL2ES2() && vboBufferUsage==GL2ES2.GL_STREAM_DRAW) ) {
switch(vboBufferUsage) {
case -1: // nop
case GL.GL_STATIC_DRAW:
case GL.GL_DYNAMIC_DRAW:
break;
default:
throw new GLException("invalid vboBufferUsage: "+vboBufferUsage+":\n\t"+this);
}
}
this.vboBufferUsage=vboBufferUsage;
}
protected void init_vbo(GL gl) {
if(vboUsage && vboName==0) {
int[] tmp = new int[1];
gl.glGenBuffers(1, tmp, 0);
vboName = tmp[0];
}
}
protected int vboBufferUsage;
}
|
