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Diffstat (limited to 'src/jogl/classes/com/jogamp/gluegen/runtime/opengl/GLNameResolver.java')
| -rw-r--r-- | src/jogl/classes/com/jogamp/gluegen/runtime/opengl/GLNameResolver.java | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/gluegen/runtime/opengl/GLNameResolver.java b/src/jogl/classes/com/jogamp/gluegen/runtime/opengl/GLNameResolver.java new file mode 100644 index 000000000..92554776a --- /dev/null +++ b/src/jogl/classes/com/jogamp/gluegen/runtime/opengl/GLNameResolver.java @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * Copyright (c) 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: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + */ +package com.jogamp.gluegen.runtime.opengl; + +/** Runtime utility identify and resolve extension names, which may be subsumed to core. */ +public class GLNameResolver { + //GL_XYZ : GL_XYZ, GL_XYZ_GL2, GL_XYZ_ARB, GL_XYZ_OES, GL_XYZ_OML + //GL_XYZ : GL_XYZ, GL_GL2_XYZ, GL_ARB_XYZ, GL_OES_XYZ, GL_OML_XYZ + // + // Pass-1 Unify ARB extensions with the same value + // Pass-2 Unify vendor extensions, + // if exist as an ARB extension with the same value. + // Pass-3 Emit + + public static final String[] extensionsARB = { "ARB", "GL2", "OES", "KHR", "OML" }; + public static final String[] extensionsVEN = { "3DFX", + "AMD", + "ANGLE", + "ARM", + "APPLE", + "ATI", + "EXT", + "HI", + "HP", + "IBM", + "IMG", + "MESA", + "MESAX", + "NV", + "QCOM", + "SGI", + "SGIS", + "SGIX", + "SUN", + "VIV", + "WIN" + }; + + + public static final boolean isGLFunction(String str) { + return str.startsWith("gl") || /* str.startsWith("glu") || str.startsWith("glX") || */ + str.startsWith("egl") || str.startsWith("wgl") || str.startsWith("agl") || + str.startsWith("cgl") ; + } + + public static final boolean isGLEnumeration(String str) { + return str.startsWith("GL_") || str.startsWith("GLU_") || str.startsWith("GLX_") || + str.startsWith("EGL_") || str.startsWith("WGL_") || str.startsWith("AGL_") || + str.startsWith("CGL_") ; + } + + public static final int getExtensionIdx(String[] extensions, String str, boolean isGLFunc) { + if(isGLFunc) { + for(int i = extensions.length - 1 ; i>=0 ; i--) { + if( str.endsWith(extensions[i]) ) { + return i; + } + } + } else { + for(int i = extensions.length - 1 ; i>=0 ; i--) { + if( str.endsWith("_"+extensions[i]) ) { + return i; + } + } + } + return -1; + } + + public static final boolean isExtension(String[] extensions, String str, boolean isGLFunc) { + return getExtensionIdx(extensions, str, isGLFunc)>=0; + } + + public static final String getExtensionSuffix(String str, boolean isGLFunc) { + int idx = getExtensionIdx(extensionsARB, str, isGLFunc); + if(idx>=0) { + return extensionsARB[idx]; + } + idx = getExtensionIdx(extensionsVEN, str, isGLFunc); + if(idx>=0) { + return extensionsVEN[idx]; + } + return null; + } + + public static final String normalize(String[] extensions, String str, boolean isGLFunc) { + boolean touched = false; + for(int i = extensions.length - 1 ; !touched && i>=0 ; i--) { + if(isGLFunc) { + if(str.endsWith(extensions[i])) { + // functions + str = str.substring(0, str.length()-extensions[i].length()); + touched=true; + } + } else { + if(str.endsWith("_"+extensions[i])) { + // enums + str = str.substring(0, str.length()-1-extensions[i].length()); + touched=true; + } + } + } + return str; + } + public static final String normalizeARB(String str, boolean isGLFunc) { + return normalize(extensionsARB, str, isGLFunc); + } + public static final boolean isExtensionARB(String str, boolean isGLFunc) { + return isExtension(extensionsARB, str, isGLFunc); + } + public static final String normalizeVEN(String str, boolean isGLFunc) { + return normalize(extensionsVEN, str, isGLFunc); + } + public static final boolean isExtensionVEN(String str, boolean isGLFunc) { + return isExtension(extensionsVEN, str, isGLFunc); + } + public static final String normalize(String str, boolean isGLFunc) { + if (isExtensionARB(str, isGLFunc)) { + return normalizeARB(str, isGLFunc); + } + if (isExtensionVEN(str, isGLFunc)) { + return normalizeVEN(str, isGLFunc); + } + return str; + } + public static final boolean isExtension(String str, boolean isGLFunc) { + return isExtension(extensionsARB, str, isGLFunc) || + isExtension(extensionsVEN, str, isGLFunc); + } + + public static final int getFuncNamePermutationNumber(String name) { + if(isExtensionARB(name, true) || isExtensionVEN(name, true)) { + // no name permutation, if it's already a known extension + return 1; + } + return 1 + extensionsARB.length + extensionsVEN.length; + } + + public static final String getFuncNamePermutation(String name, int i) { + // identity + if(i==0) { + return name; + } + if(0>i || i>=(1+extensionsARB.length + extensionsVEN.length)) { + throw new RuntimeException("Index out of range [0.."+(1+extensionsARB.length+extensionsVEN.length-1)+"]: "+i); + } + // ARB + i-=1; + if(i<extensionsARB.length) { + return name+extensionsARB[i]; + } + // VEN + i-=extensionsARB.length; + return name+extensionsVEN[i]; + } +} + |