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/*
* Copyright (C) 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package graphics_benchmarks.kubench;
import java.nio.IntBuffer;
public class GLVertex {
public float x;
public float y;
public float z;
final short index; // index in vertex table
GLColor color;
GLVertex() {
this.x = 0;
this.y = 0;
this.z = 0;
this.index = -1;
}
GLVertex(float x, float y, float z, int index) {
this.x = x;
this.y = y;
this.z = z;
this.index = (short)index;
}
public boolean equals(Object other) {
if (other instanceof GLVertex) {
GLVertex v = (GLVertex)other;
return (x == v.x && y == v.y && z == v.z);
}
return false;
}
static public int toFixed(float x) {
return (int)(x*65536.0f);
}
public void put(IntBuffer vertexBuffer, IntBuffer colorBuffer) {
vertexBuffer.put(toFixed(x));
vertexBuffer.put(toFixed(y));
vertexBuffer.put(toFixed(z));
if (color == null) {
colorBuffer.put(0);
colorBuffer.put(0);
colorBuffer.put(0);
colorBuffer.put(0);
} else {
colorBuffer.put(color.red);
colorBuffer.put(color.green);
colorBuffer.put(color.blue);
colorBuffer.put(color.alpha);
}
}
public void update(IntBuffer vertexBuffer, M4 transform) {
// skip to location of vertex in mVertex buffer
vertexBuffer.position(index * 3);
if (transform == null) {
vertexBuffer.put(toFixed(x));
vertexBuffer.put(toFixed(y));
vertexBuffer.put(toFixed(z));
} else {
GLVertex temp = new GLVertex();
transform.multiply(this, temp);
vertexBuffer.put(toFixed(temp.x));
vertexBuffer.put(toFixed(temp.y));
vertexBuffer.put(toFixed(temp.z));
}
}
}
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