/** * 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 * authors and should not be interpreted as representing official policies, either expressed * or implied, of JogAmp Community. */ package jogamp.opengl; import java.util.List; import javax.media.opengl.GLCapabilities; import javax.media.opengl.GLCapabilitiesImmutable; public class GLGraphicsConfigurationUtil { public static final String NV_coverage_sample = "NV_coverage_sample"; public static final int WINDOW_BIT = 1 << 0; public static final int BITMAP_BIT = 1 << 1; public static final int PBUFFER_BIT = 1 << 2; public static final int ALL_BITS = WINDOW_BIT | BITMAP_BIT | PBUFFER_BIT ; public static final StringBuilder winAttributeBits2String(StringBuilder sb, int winattrbits) { if(null==sb) { sb = new StringBuilder(); } boolean seperator = false; if( 0 != ( WINDOW_BIT & winattrbits ) ) { sb.append("WINDOW"); seperator=true; } if( 0 != ( BITMAP_BIT & winattrbits ) ) { if(seperator) { sb.append(", "); } sb.append("BITMAP"); seperator=true; } if( 0 != ( PBUFFER_BIT & winattrbits ) ) { if(seperator) { sb.append(", "); } sb.append("PBUFFER"); } return sb; } /** * @return bitmask representing the input boolean in exclusive or logic, ie only one bit will be set */ public static final int getWinAttributeBits(boolean isOnscreen, boolean isPBuffer) { int winattrbits = 0; if(isOnscreen) { winattrbits |= WINDOW_BIT; } else if (!isPBuffer) { winattrbits |= BITMAP_BIT; } else { winattrbits |= PBUFFER_BIT; } return winattrbits; } /** * @see #getWinAttributeBits(boolean, boolean) */ public static final int getWinAttributeBits(GLCapabilitiesImmutable caps) { return getWinAttributeBits(caps.isOnscreen(), caps.isPBuffer()); } public static final boolean addGLCapabilitiesPermutations(List<GLCapabilitiesImmutable> capsBucket, GLCapabilitiesImmutable temp, int winattrbits) { int preSize = capsBucket.size(); if( 0 != ( WINDOW_BIT & winattrbits ) ) { GLCapabilities cpy = (GLCapabilities) temp.cloneMutable(); cpy.setOnscreen(true); capsBucket.add(cpy); } if( 0 != ( PBUFFER_BIT & winattrbits ) ) { GLCapabilities cpy = (GLCapabilities) temp.cloneMutable(); cpy.setPBuffer(true); capsBucket.add(cpy); } if( 0 != ( BITMAP_BIT & winattrbits ) ) { GLCapabilities cpy = (GLCapabilities) temp.cloneMutable(); cpy.setOnscreen(false); cpy.setPBuffer(false); capsBucket.add(cpy); } return capsBucket.size() > preSize; } public static GLCapabilitiesImmutable fixGLCapabilities(GLCapabilitiesImmutable capsRequested, boolean pbufferAvailable) { if( !capsRequested.isOnscreen() ) { return fixOffScreenGLCapabilities(capsRequested, pbufferAvailable); } return capsRequested; } public static GLCapabilitiesImmutable fixOffScreenGLCapabilities(GLCapabilitiesImmutable capsRequested, boolean pbufferAvailable) { if( capsRequested.getDoubleBuffered() || capsRequested.isOnscreen() || ( !pbufferAvailable && capsRequested.isPBuffer() ) ) { // fix caps .. GLCapabilities caps2 = (GLCapabilities) capsRequested.cloneMutable(); caps2.setDoubleBuffered(false); // FIXME DBLBUFOFFSCRN caps2.setOnscreen(false); if(caps2.isPBuffer() && !pbufferAvailable) { caps2.setPBuffer(false); } return caps2; } return capsRequested; } public static GLCapabilitiesImmutable fixGLPBufferGLCapabilities(GLCapabilitiesImmutable capsRequested) { if( capsRequested.getDoubleBuffered() || capsRequested.isOnscreen() || !capsRequested.isPBuffer()) { // fix caps .. GLCapabilities caps2 = (GLCapabilities) capsRequested.cloneMutable(); caps2.setDoubleBuffered(false); // FIXME DBLBUFOFFSCRN - we don't need to be single buffered .. caps2.setOnscreen(false); caps2.setPBuffer(true); return caps2; } return capsRequested; } public static GLCapabilitiesImmutable fixOpaqueGLCapabilities(GLCapabilitiesImmutable capsRequested, boolean isOpaque) { GLCapabilities caps2 = null; if( capsRequested.isBackgroundOpaque() != isOpaque) { // fix caps .. caps2 = (GLCapabilities) capsRequested.cloneMutable(); caps2.setBackgroundOpaque(isOpaque); return caps2; } return capsRequested; } }