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
|
/**
* Copyright 2012 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.opengl.util.glsl;
import java.nio.FloatBuffer;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.glsl.ShaderCode;
import com.jogamp.opengl.util.glsl.ShaderProgram;
import javax.media.opengl.GL;
import javax.media.opengl.GL2ES2;
import javax.media.opengl.GLArrayData;
import javax.media.opengl.GLException;
import javax.media.opengl.GLUniformData;
import javax.media.opengl.fixedfunc.GLMatrixFunc;
public class GLSLTextureRaster {
private final boolean textureVertFlipped;
private final int textureUnit;
private ShaderProgram sp;
private PMVMatrix pmvMatrix;
private GLUniformData pmvMatrixUniform;
private GLUniformData activeTexUniform;
private GLArrayDataServer interleavedVBO;
public GLSLTextureRaster(int textureUnit, boolean textureVertFlipped) {
this.textureVertFlipped = textureVertFlipped;
this.textureUnit = textureUnit;
}
public int getTextureUnit() { return textureUnit; }
static final String shaderBasename = "texture01_xxx";
static final String shaderSrcPath = "../../shader";
static final String shaderBinPath = "../../shader/bin";
public void init(GL2ES2 gl) {
// Create & Compile the shader objects
final ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, this.getClass(),
shaderSrcPath, shaderBinPath, shaderBasename, true);
final ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, this.getClass(),
shaderSrcPath, shaderBinPath, shaderBasename, true);
rsVp.defaultShaderCustomization(gl, true, true);
rsFp.defaultShaderCustomization(gl, true, true);
// Create & Link the shader program
sp = new ShaderProgram();
sp.add(rsVp);
sp.add(rsFp);
if(!sp.link(gl, System.err)) {
throw new GLException("Couldn't link program: "+sp);
}
sp.useProgram(gl, true);
// setup mgl_PMVMatrix
pmvMatrix = new PMVMatrix();
pmvMatrix.glMatrixMode(PMVMatrix.GL_PROJECTION);
pmvMatrix.glLoadIdentity();
pmvMatrix.glMatrixMode(PMVMatrix.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
pmvMatrixUniform = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf()); // P, Mv
if( pmvMatrixUniform.setLocation(gl, sp.program()) < 0 ) {
throw new GLException("Couldn't locate "+pmvMatrixUniform+" in shader: "+sp);
}
gl.glUniform(pmvMatrixUniform);
activeTexUniform = new GLUniformData("mgl_Texture0", textureUnit);
if( activeTexUniform.setLocation(gl, sp.program()) < 0 ) {
throw new GLException("Couldn't locate "+activeTexUniform+" in shader: "+sp);
}
gl.glUniform(activeTexUniform);
final float[] s_quadTexCoords;
if( textureVertFlipped ) {
s_quadTexCoords = s_quadTexCoords01;
} else {
s_quadTexCoords = s_quadTexCoords00;
}
interleavedVBO = GLArrayDataServer.createGLSLInterleaved(3+2, GL.GL_FLOAT, false, 2*4, GL.GL_STATIC_DRAW);
{
final GLArrayData vArrayData = interleavedVBO.addGLSLSubArray("mgl_Vertex", 3, GL.GL_ARRAY_BUFFER);
if( vArrayData.setLocation(gl, sp.program()) < 0 ) {
throw new GLException("Couldn't locate "+vArrayData+" in shader: "+sp);
}
final GLArrayData tArrayData = interleavedVBO.addGLSLSubArray("mgl_MultiTexCoord", 2, GL.GL_ARRAY_BUFFER);
if( tArrayData.setLocation(gl, sp.program()) < 0 ) {
throw new GLException("Couldn't locate "+tArrayData+" in shader: "+sp);
}
final FloatBuffer ib = (FloatBuffer)interleavedVBO.getBuffer();
for(int i=0; i<4; i++) {
ib.put(s_quadVertices, i*3, 3);
ib.put(s_quadTexCoords, i*2, 2);
}
}
interleavedVBO.seal(gl, true);
interleavedVBO.enableBuffer(gl, false);
sp.useProgram(gl, false);
}
public void reshape(GL2ES2 gl, int x, int y, int width, int height) {
if(null != sp) {
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
pmvMatrix.glLoadIdentity();
pmvMatrix.glOrthof(-1.0f, 1.0f, -1.0f, 1.0f, 0.0f, 10.0f);
pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
pmvMatrix.glLoadIdentity();
sp.useProgram(gl, true);
gl.glUniform(pmvMatrixUniform);
sp.useProgram(gl, false);
}
}
public void dispose(GL2ES2 gl) {
if(null != pmvMatrixUniform) {
pmvMatrixUniform = null;
}
if(null != pmvMatrix) {
pmvMatrix.destroy();
pmvMatrix=null;
}
if(null != interleavedVBO) {
interleavedVBO.destroy(gl);
interleavedVBO=null;
}
if(null != sp) {
sp.destroy(gl);
sp=null;
}
}
public void display(GL2ES2 gl) {
if(null != sp) {
sp.useProgram(gl, true);
interleavedVBO.enableBuffer(gl, true);
gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
interleavedVBO.enableBuffer(gl, false);
sp.useProgram(gl, false);
}
}
private static final float[] s_quadVertices = {
-1f, -1f, 0f, // LB
1f, -1f, 0f, // RB
-1f, 1f, 0f, // LT
1f, 1f, 0f // RT
};
private static final float[] s_quadTexCoords00 = {
0f, 0f, // LB
1f, 0f, // RB
0f, 1f, // LT
1f, 1f // RT
};
private static final float[] s_quadTexCoords01 = {
0f, 1f, // LB
1f, 1f, // RB
0f, 0f, // LT
1f, 0f // RT
};
}
|
