/**
* 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
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*/
package com.jogamp.opengl.test.junit.graph.demos;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GL2GL3;
import com.jogamp.opengl.GLAutoDrawable;
import com.jogamp.opengl.GLCapabilitiesImmutable;
public class MSAATool {
public static boolean glIsEnabled(final GL gl, final int name) {
boolean isEnabled = false;
try {
isEnabled = gl.glIsEnabled(name);
final int glerr = gl.glGetError();
if(GL.GL_NO_ERROR != glerr) {
System.err.println("glIsEnabled(0x"+Integer.toHexString(name)+") -> error 0x"+Integer.toHexString(glerr));
}
} catch (final Exception e) {
System.err.println("Caught exception: "+e.getMessage());
// e.printStackTrace();
}
return isEnabled;
}
public static void dump(final GLAutoDrawable drawable) {
final float[] vf = new float[] { 0f };
final byte[] vb = new byte[] { 0 };
final int[] vi = new int[] { 0, 0 };
System.out.println("GL MSAA SETUP:");
final GL2ES2 gl = drawable.getGL().getGL2ES2();
final GLCapabilitiesImmutable caps = drawable.getChosenGLCapabilities();
System.out.println(" Caps realised "+caps);
System.out.println(" Caps sample buffers "+caps.getSampleBuffers()+", samples "+caps.getNumSamples());
System.out.println(" GL MULTISAMPLE "+glIsEnabled(gl, GL.GL_MULTISAMPLE));
// sample buffers min 0, same as GLX_SAMPLE_BUFFERS_ARB or WGL_SAMPLE_BUFFERS_ARB
gl.glGetIntegerv(GL.GL_SAMPLE_BUFFERS, vi, 0);
// samples min 0
gl.glGetIntegerv(GL.GL_SAMPLES, vi, 1);
System.out.println(" GL SAMPLE_BUFFERS "+vi[0]+", SAMPLES "+vi[1]);
System.out.println("GL CSAA SETUP:");
// default FALSE
System.out.println(" GL SAMPLE COVERAGE "+glIsEnabled(gl, GL.GL_SAMPLE_COVERAGE));
// default FALSE
System.out.println(" GL SAMPLE_ALPHA_TO_COVERAGE "+glIsEnabled(gl, GL.GL_SAMPLE_ALPHA_TO_COVERAGE));
// default FALSE
System.out.println(" GL SAMPLE_ALPHA_TO_ONE "+glIsEnabled(gl, GL.GL_SAMPLE_ALPHA_TO_ONE));
// default FALSE, value 1, invert false
gl.glGetFloatv(GL.GL_SAMPLE_COVERAGE_VALUE, vf, 0);
gl.glGetBooleanv(GL.GL_SAMPLE_COVERAGE_INVERT, vb, 0);
System.out.println(" GL SAMPLE_COVERAGE "+glIsEnabled(gl, GL.GL_SAMPLE_COVERAGE) +
": SAMPLE_COVERAGE_VALUE "+vf[0]+
", SAMPLE_COVERAGE_INVERT "+vb[0]);
dumpBlend(gl);
}
public static void dumpBlend(final GL gl) {
final int[] vi = new int[] { 0, 0, 0, 0 };
gl.glGetIntegerv(GL.GL_BLEND, vi, 0);
gl.glGetIntegerv(GL.GL_BLEND_SRC_ALPHA, vi, 1);
gl.glGetIntegerv(GL.GL_BLEND_SRC_RGB, vi, 2);
gl.glGetIntegerv(GL.GL_BLEND_DST_RGB, vi, 3);
final boolean blendEnabled = vi[0] == GL.GL_TRUE;
System.out.println("GL_BLEND "+blendEnabled+"/"+glIsEnabled(gl, GL.GL_BLEND) +
" GL_SRC_ALPHA 0x"+Integer.toHexString(vi[1])+
" GL_SRC_RGB 0x"+Integer.toHexString(vi[2])+
" GL_DST_RGB 0x"+Integer.toHexString(vi[3]));
}
}