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/*
* 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
