Merge with mbien's 2ea8c93d5fd27207872b97c964e3f8af5ac850c6

1 files changed, 187 insertions, 0 deletions

diff --git a/src/java/com/jogamp/gluegen/runtime/opengl/GLExtensionNames.java b/src/java/com/jogamp/gluegen/runtime/opengl/GLExtensionNames.java
new file mode 100644
index 000000000..b07a96fbf
--- /dev/null
+++ b/src/java/com/jogamp/gluegen/runtime/opengl/GLExtensionNames.java
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2003-2005 Sun Microsystems, Inc. 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;
+
+import java.util.*;
+import com.jogamp.gluegen.runtime.*;
+
+public class GLExtensionNames {
+    //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",
+                                                   "APPLE",
+                                                   "ATI",
+                                                   "EXT",
+                                                   "HP",
+                                                   "IBM",
+                                                   "MESA",
+                                                   "MESAX",
+                                                   "NV",
+                                                   "SGI",
+                                                   "SGIS",
+                                                   "SGIX",
+                                                   "SUN",
+                                                   "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];
+    }
+}
+