/*******************************************************************************
* Copyright (c) 2015
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*******************************************************************************/
package go.graphics.swing.opengl;
import com.jogamp.opengl.GL2;
public final class TextureCalculator {
private TextureCalculator() {
}
/**
* Makes the size a power of two, if needed.
*
* @param gl
* The gl context
* @param width
* THe old size
* @return The good size.
*/
public static int supportedTextureSize(GL2 gl, int width) {
if (gl.isExtensionAvailable("GL_ARB_texture_non_power_of_two")) {
return width;
} else {
int real = 1;
while (real < width) {
real *= 2;
}
return real;
}
}
}