diff --git a/opengl/tools/glgen/gen b/opengl/tools/glgen/gen
index 9bff0b2..6c1a231 100755
--- a/opengl/tools/glgen/gen
+++ b/opengl/tools/glgen/gen
@@ -63,7 +63,7 @@
 
 pushd out > /dev/null
 mkdir classes
-javac -d classes com/google/android/gles_jni/GLImpl.java javax/microedition/khronos/opengles/GL10.java javax/microedition/khronos/opengles/GL10Ext.java javax/microedition/khronos/opengles/GL11.java javax/microedition/khronos/opengles/GL11Ext.java javax/microedition/khronos/opengles/GL11ExtensionPack.java android/opengl/GLES10.java android/opengl/GLES10Ext.java android/opengl/GLES11.java android/opengl/GLES11Ext.java
+javac -d classes com/google/android/gles_jni/GLImpl.java javax/microedition/khronos/opengles/GL10.java javax/microedition/khronos/opengles/GL10Ext.java javax/microedition/khronos/opengles/GL11.java javax/microedition/khronos/opengles/GL11Ext.java javax/microedition/khronos/opengles/GL11ExtensionPack.java android/opengl/GLES10.java android/opengl/GLES10Ext.java android/opengl/GLES11.java android/opengl/GLES11Ext.java android/opengl/GLES20.java
 popd > /dev/null
 JAVA_RESULT=$?
 if [ $JAVA_RESULT -ne 0 ]; then
@@ -109,7 +109,7 @@
     compareGenerated ../../java/javax/microedition/khronos/opengles generated/javax/microedition/khronos/opengles $x
 done
 
-for x in GLES10 GLES10Ext GLES11 GLES11Ext
+for x in GLES10 GLES10Ext GLES11 GLES11Ext GLES20
 do
     compareGenerated ../../java/android/opengl generated/android/opengl ${x}.java
     compareGenerated ../../../core/jni generated/C android_opengl_${x}.cpp
diff --git a/opengl/tools/glgen/specs/gles11/GLES20.spec b/opengl/tools/glgen/specs/gles11/GLES20.spec
new file mode 100644
index 0000000..61094d1
--- /dev/null
+++ b/opengl/tools/glgen/specs/gles11/GLES20.spec
@@ -0,0 +1,142 @@
+void glActiveTexture ( GLenum texture )
+void glAttachShader ( GLuint program, GLuint shader )
+void glBindAttribLocation ( GLuint program, GLuint index, const char *name )
+void glBindBuffer ( GLenum target, GLuint buffer )
+void glBindFramebuffer ( GLenum target, GLuint framebuffer )
+void glBindRenderbuffer ( GLenum target, GLuint renderbuffer )
+void glBindTexture ( GLenum target, GLuint texture )
+void glBlendColor ( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha )
+void glBlendEquation ( GLenum mode )
+void glBlendEquationSeparate ( GLenum modeRGB, GLenum modeAlpha )
+void glBlendFunc ( GLenum sfactor, GLenum dfactor )
+void glBlendFuncSeparate ( GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha )
+void glBufferData ( GLenum target, GLsizeiptr size, const GLvoid *data, GLenum usage )
+void glBufferSubData ( GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data )
+GLenum glCheckFramebufferStatus ( GLenum target )
+void glClear ( GLbitfield mask )
+void glClearColor ( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha )
+void glClearDepthf ( GLclampf depth )
+void glClearStencil ( GLint s )
+void glColorMask ( GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha )
+void glCompileShader ( GLuint shader )
+void glCompressedTexImage2D ( GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data )
+void glCompressedTexSubImage2D ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *data )
+void glCopyTexImage2D ( GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border )
+void glCopyTexSubImage2D ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height )
+GLuint glCreateProgram ( void )
+GLuint glCreateShader ( GLenum type )
+void glCullFace ( GLenum mode )
+void glDeleteBuffers ( GLsizei n, const GLuint *buffers )
+void glDeleteFramebuffers ( GLsizei n, const GLuint *framebuffers )
+void glDeleteProgram ( GLuint program )
+void glDeleteRenderbuffers ( GLsizei n, const GLuint *renderbuffers )
+void glDeleteShader ( GLuint shader )
+void glDeleteTextures ( GLsizei n, const GLuint *textures )
+void glDepthFunc ( GLenum func )
+void glDepthMask ( GLboolean flag )
+void glDepthRangef ( GLclampf zNear, GLclampf zFar )
+void glDetachShader ( GLuint program, GLuint shader )
+void glDisable ( GLenum cap )
+void glDisableVertexAttribArray ( GLuint index )
+void glDrawArrays ( GLenum mode, GLint first, GLsizei count )
+void glDrawElements ( GLenum mode, GLsizei count, GLenum type, const GLvoid *indices )
+void glEnable ( GLenum cap )
+void glEnableVertexAttribArray ( GLuint index )
+void glFinish ( void )
+void glFlush ( void )
+void glFramebufferRenderbuffer ( GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer )
+void glFramebufferTexture2D ( GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level )
+void glFrontFace ( GLenum mode )
+void glGenBuffers ( GLsizei n, GLuint *buffers )
+void glGenerateMipmap ( GLenum target )
+void glGenFramebuffers ( GLsizei n, GLuint *framebuffers )
+void glGenRenderbuffers ( GLsizei n, GLuint *renderbuffers )
+void glGenTextures ( GLsizei n, GLuint *textures )
+void glGetActiveAttrib ( GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name )
+void glGetActiveUniform ( GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name )
+void glGetAttachedShaders ( GLuint program, GLsizei maxcount, GLsizei *count, GLuint *shaders )
+int glGetAttribLocation ( GLuint program, const char *name )
+void glGetBooleanv ( GLenum pname, GLboolean *params )
+void glGetBufferParameteriv ( GLenum target, GLenum pname, GLint *params )
+GLenum glGetError ( void )
+void glGetFloatv ( GLenum pname, GLfloat *params )
+void glGetFramebufferAttachmentParameteriv ( GLenum target, GLenum attachment, GLenum pname, GLint *params )
+void glGetIntegerv ( GLenum pname, GLint *params )
+void glGetProgramiv ( GLuint program, GLenum pname, GLint *params )
+void glGetProgramInfoLog ( GLuint program, GLsizei bufsize, GLsizei *length, char *infolog )
+void glGetRenderbufferParameteriv ( GLenum target, GLenum pname, GLint *params )
+void glGetShaderiv ( GLuint shader, GLenum pname, GLint *params )
+void glGetShaderInfoLog ( GLuint shader, GLsizei bufsize, GLsizei *length, char *infolog )
+void glGetShaderPrecisionFormat ( GLenum shadertype, GLenum precisiontype, GLint *range, GLint *precision )
+void glGetShaderSource ( GLuint shader, GLsizei bufsize, GLsizei *length, char *source )
+const GLubyte * glGetString ( GLenum name )
+void glGetTexParameterfv ( GLenum target, GLenum pname, GLfloat *params )
+void glGetTexParameteriv ( GLenum target, GLenum pname, GLint *params )
+void glGetUniformfv ( GLuint program, GLint location, GLfloat *params )
+void glGetUniformiv ( GLuint program, GLint location, GLint *params )
+int glGetUniformLocation ( GLuint program, const char *name )
+void glGetVertexAttribfv ( GLuint index, GLenum pname, GLfloat *params )
+void glGetVertexAttribiv ( GLuint index, GLenum pname, GLint *params )
+// void glGetVertexAttribPointerv ( GLuint index, GLenum pname, void **pointer )
+void glHint ( GLenum target, GLenum mode )
+GLboolean glIsBuffer ( GLuint buffer )
+GLboolean glIsEnabled ( GLenum cap )
+GLboolean glIsFramebuffer ( GLuint framebuffer )
+GLboolean glIsProgram ( GLuint program )
+GLboolean glIsRenderbuffer ( GLuint renderbuffer )
+GLboolean glIsShader ( GLuint shader )
+GLboolean glIsTexture ( GLuint texture )
+void glLineWidth ( GLfloat width )
+void glLinkProgram ( GLuint program )
+void glPixelStorei ( GLenum pname, GLint param )
+void glPolygonOffset ( GLfloat factor, GLfloat units )
+void glReadPixels ( GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels )
+void glReleaseShaderCompiler ( void )
+void glRenderbufferStorage ( GLenum target, GLenum internalformat, GLsizei width, GLsizei height )
+void glSampleCoverage ( GLclampf value, GLboolean invert )
+void glScissor ( GLint x, GLint y, GLsizei width, GLsizei height )
+void glShaderBinary ( GLsizei n, const GLuint *shaders, GLenum binaryformat, const GLvoid *binary, GLsizei length )
+void glShaderSource ( GLuint shader )
+void glStencilFunc ( GLenum func, GLint ref, GLuint mask )
+void glStencilFuncSeparate ( GLenum face, GLenum func, GLint ref, GLuint mask )
+void glStencilMask ( GLuint mask )
+void glStencilMaskSeparate ( GLenum face, GLuint mask )
+void glStencilOp ( GLenum fail, GLenum zfail, GLenum zpass )
+void glStencilOpSeparate ( GLenum face, GLenum fail, GLenum zfail, GLenum zpass )
+void glTexImage2D ( GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels )
+void glTexParameterf ( GLenum target, GLenum pname, GLfloat param )
+void glTexParameterfv ( GLenum target, GLenum pname, const GLfloat *params )
+void glTexParameteri ( GLenum target, GLenum pname, GLint param )
+void glTexParameteriv ( GLenum target, GLenum pname, const GLint *params )
+void glTexSubImage2D ( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels )
+void glUniform1f ( GLint location, GLfloat x )
+void glUniform1fv ( GLint location, GLsizei count, const GLfloat *v )
+void glUniform1i ( GLint location, GLint x )
+void glUniform1iv ( GLint location, GLsizei count, const GLint *v )
+void glUniform2f ( GLint location, GLfloat x, GLfloat y )
+void glUniform2fv ( GLint location, GLsizei count, const GLfloat *v )
+void glUniform2i ( GLint location, GLint x, GLint y )
+void glUniform2iv ( GLint location, GLsizei count, const GLint *v )
+void glUniform3f ( GLint location, GLfloat x, GLfloat y, GLfloat z )
+void glUniform3fv ( GLint location, GLsizei count, const GLfloat *v )
+void glUniform3i ( GLint location, GLint x, GLint y, GLint z )
+void glUniform3iv ( GLint location, GLsizei count, const GLint *v )
+void glUniform4f ( GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w )
+void glUniform4fv ( GLint location, GLsizei count, const GLfloat *v )
+void glUniform4i ( GLint location, GLint x, GLint y, GLint z, GLint w )
+void glUniform4iv ( GLint location, GLsizei count, const GLint *v )
+void glUniformMatrix2fv ( GLint location, GLsizei count, GLboolean transpose, const GLfloat *value )
+void glUniformMatrix3fv ( GLint location, GLsizei count, GLboolean transpose, const GLfloat *value )
+void glUniformMatrix4fv ( GLint location, GLsizei count, GLboolean transpose, const GLfloat *value )
+void glUseProgram ( GLuint program )
+void glValidateProgram ( GLuint program )
+void glVertexAttrib1f ( GLuint indx, GLfloat x )
+void glVertexAttrib1fv ( GLuint indx, const GLfloat *values )
+void glVertexAttrib2f ( GLuint indx, GLfloat x, GLfloat y )
+void glVertexAttrib2fv ( GLuint indx, const GLfloat *values )
+void glVertexAttrib3f ( GLuint indx, GLfloat x, GLfloat y, GLfloat z )
+void glVertexAttrib3fv ( GLuint indx, const GLfloat *values )
+void glVertexAttrib4f ( GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w )
+void glVertexAttrib4fv ( GLuint indx, const GLfloat *values )
+void glVertexAttribPointer ( GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *ptr )
+void glViewport ( GLint x, GLint y, GLsizei width, GLsizei height )
\ No newline at end of file
diff --git a/opengl/tools/glgen/src/CType.java b/opengl/tools/glgen/src/CType.java
index 826c90d..d49e9ef 100644
--- a/opengl/tools/glgen/src/CType.java
+++ b/opengl/tools/glgen/src/CType.java
@@ -44,8 +44,12 @@
         baseType.equals("void");
     }
 
+    public boolean isConstCharPointer() {
+        return isConst && isPointer && baseType.equals("char");
+    }
+
     public boolean isTypedPointer() {
-    return isPointer() && !isVoid();
+    return isPointer() && !isVoid() && !isConstCharPointer();
     }
 
     public void setBaseType(String baseType) {
diff --git a/opengl/tools/glgen/src/GenerateGLES.java b/opengl/tools/glgen/src/GenerateGLES.java
index 60775b7..08063f3 100644
--- a/opengl/tools/glgen/src/GenerateGLES.java
+++ b/opengl/tools/glgen/src/GenerateGLES.java
@@ -70,7 +70,7 @@
 
         // Generate files
         for(String suffix: new String[] {"GLES10", "GLES10Ext",
-                "GLES11", "GLES11Ext"})
+                "GLES11", "GLES11Ext", "GLES20"})
         {
             BufferedReader spec11Reader =
                 new BufferedReader(new FileReader("specs/gles11/"
diff --git a/opengl/tools/glgen/src/JType.java b/opengl/tools/glgen/src/JType.java
index df1177b..32d9fe7 100644
--- a/opengl/tools/glgen/src/JType.java
+++ b/opengl/tools/glgen/src/JType.java
@@ -6,6 +6,7 @@
     String baseType;
     boolean isArray;
     boolean isClass;
+    boolean isString;
 
     static HashMap<CType,JType> typeMapping = new HashMap<CType,JType>();
     static HashMap<CType,JType> arrayTypeMapping = new HashMap<CType,JType>();
@@ -27,7 +28,10 @@
     typeMapping.put(new CType("GLubyte"), new JType("byte"));
     typeMapping.put(new CType("GLuint"), new JType("int"));
     typeMapping.put(new CType("void"), new JType("void"));
-    typeMapping.put(new CType("GLubyte", true, true), new JType("String"));
+    typeMapping.put(new CType("GLubyte", true, true), new JType("String", false, false));
+    typeMapping.put(new CType("char", false, true), new JType("byte"));
+    typeMapping.put(new CType("char", true, true), new JType("String", false, false));
+    typeMapping.put(new CType("int"), new JType("int"));
 
     // Untyped pointers map to untyped Buffers
     typeMapping.put(new CType("GLvoid", true, true),
@@ -42,6 +46,8 @@
     // Typed pointers map to typed Buffers
     typeMapping.put(new CType("GLboolean", false, true),
             new JType("java.nio.IntBuffer", true, false));
+    typeMapping.put(new CType("GLenum", false, true),
+            new JType("java.nio.IntBuffer", true, false));
     typeMapping.put(new CType("GLfixed", false, true),
             new JType("java.nio.IntBuffer", true, false));
     typeMapping.put(new CType("GLfixed", true, true),
@@ -54,6 +60,8 @@
             new JType("java.nio.IntBuffer", true, false));
     typeMapping.put(new CType("GLint", true, true),
             new JType("java.nio.IntBuffer", true, false));
+    typeMapping.put(new CType("GLsizei", false, true),
+            new JType("java.nio.IntBuffer", true, false));
     typeMapping.put(new CType("GLuint", false, true),
             new JType("java.nio.IntBuffer", true, false));
     typeMapping.put(new CType("GLuint", true, true),
@@ -62,8 +70,11 @@
             new JType("java.nio.ShortBuffer", true, false));
 
     // Typed pointers map to arrays + offsets
+    arrayTypeMapping.put(new CType("char", false, true),
+            new JType("byte", false, true));
     arrayTypeMapping.put(new CType("GLboolean", false, true),
                  new JType("boolean", false, true));
+    arrayTypeMapping.put(new CType("GLenum", false, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLfixed", true, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLfixed", false, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLfloat", false, true), new JType("float", false, true));
@@ -71,6 +82,8 @@
     arrayTypeMapping.put(new CType("GLint", false, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLint", true, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLshort", true, true), new JType("short", false, true));
+    arrayTypeMapping.put(new CType("GLsizei", false, true), new JType("int", false, true));
+    arrayTypeMapping.put(new CType("GLsizei", true, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLuint", false, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLuint", true, true), new JType("int", false, true));
     arrayTypeMapping.put(new CType("GLintptr"), new JType("int", false, true));
@@ -109,6 +122,10 @@
     return isClass;
     }
 
+    public boolean isString() {
+        return baseType.equals("String");
+    }
+
     public boolean isPrimitive() {
     return !isClass() && !isArray();
     }
diff --git a/opengl/tools/glgen/src/JniCodeEmitter.java b/opengl/tools/glgen/src/JniCodeEmitter.java
index 2cdb244..4c1814a 100644
--- a/opengl/tools/glgen/src/JniCodeEmitter.java
+++ b/opengl/tools/glgen/src/JniCodeEmitter.java
@@ -37,6 +37,12 @@
             jniName += "L";
         } else if (baseType.equals("byte")) {
             jniName += "B";
+        } else if (baseType.equals("String")) {
+            jniName += "Ljava/lang/String;";
+        } else if (baseType.equals("void")) {
+            // nothing.
+        } else {
+            throw new RuntimeException("Uknown primitive basetype " + baseType);
         }
         return jniName;
     }
@@ -629,7 +635,7 @@
         }
 
         // Append signature to function name
-        String sig = getJniMangledName(signature).replace('.', '_');
+        String sig = getJniMangledName(signature).replace('.', '_').replace('/', '_');
         out.print("__" + sig);
         outName += "__" + sig;
 
@@ -652,6 +658,7 @@
         nativeRegistrations.add(s);
 
         List<Integer> nonPrimitiveArgs = new ArrayList<Integer>();
+        List<Integer> stringArgs = new ArrayList<Integer>();
         int numBufferArgs = 0;
         List<String> bufferArgNames = new ArrayList<String>();
 
@@ -682,6 +689,9 @@
             } else {
                 suffix = "";
             }
+            if (argType.isString()) {
+                stringArgs.add(new Integer(i));
+            }
 
             out.print(getJniType(argType) + " " + jfunc.getArgName(i) + suffix);
         }
@@ -692,14 +702,19 @@
 
         int numArrays = 0;
         int numBuffers = 0;
+        int numStrings = 0;
         for (int i = 0; i < nonPrimitiveArgs.size(); i++) {
             int idx = nonPrimitiveArgs.get(i).intValue();
-            if (jfunc.getArgType(idx).isArray()) {
+            JType argType = jfunc.getArgType(idx);
+            if (argType.isArray()) {
                 ++numArrays;
             }
-            if (jfunc.getArgType(idx).isBuffer()) {
+            if (argType.isBuffer()) {
                 ++numBuffers;
             }
+            if (argType.isString()) {
+                ++numStrings;
+            }
         }
 
         // Emit method body
@@ -736,7 +751,9 @@
                 "android::gl::ogles_context_t *ctx = getContext(_env, _this);");
         }
 
-        boolean emitExceptionCheck = (numArrays > 0 || numBuffers > 0) &&
+        boolean initializeReturnValue = stringArgs.size() > 0;
+
+        boolean emitExceptionCheck = (numArrays > 0 || numBuffers > 0 || numStrings > 0) &&
             hasNonConstArg(jfunc, cfunc, nonPrimitiveArgs);
         // mChecker.getChecks(cfunc.getName()) != null
 
@@ -759,6 +776,9 @@
             if (retval != null) {
                 out.println(indent + returnType.getDeclaration() +
                             " _returnValue = " + retval + ";");
+            } else if (initializeReturnValue) {
+                out.println(indent + returnType.getDeclaration() +
+                " _returnValue = 0;");
             } else {
                 out.println(indent + returnType.getDeclaration() +
                             " _returnValue;");
@@ -789,7 +809,7 @@
                                 jfunc.getArgName(idx) +
                                 "_base = (" + decl + ") 0;");
                 }
-                remaining = (numArrays <= 1 && numBuffers <= 1) ? "_remaining" :
+                remaining = ((numArrays + numBuffers) <= 1) ? "_remaining" :
                     "_" + cname + "Remaining";
                 out.println(indent +
                             "jint " + remaining + ";");
@@ -803,6 +823,40 @@
             out.println();
         }
 
+        // Emit local variable declaration for strings
+        if (stringArgs.size() > 0) {
+            for (int i = 0; i < stringArgs.size(); i++) {
+                int idx = stringArgs.get(i).intValue();
+                int cIndex = jfunc.getArgCIndex(idx);
+                String cname = cfunc.getArgName(cIndex);
+
+                out.println(indent + "const char* _native" + cname + " = 0;");
+            }
+
+            out.println();
+        }
+
+        // Null pointer checks and GetStringUTFChars
+        if (stringArgs.size() > 0) {
+            for (int i = 0; i < stringArgs.size(); i++) {
+                int idx = stringArgs.get(i).intValue();
+                int cIndex = jfunc.getArgCIndex(idx);
+                String cname = cfunc.getArgName(cIndex);
+
+                CType type = cfunc.getArgType(jfunc.getArgCIndex(idx));
+                String decl = type.getDeclaration();
+                out.println(indent + "if (!" + cname + ") {");
+                out.println(indent + "    _env->ThrowNew(IAEClass, \"" + cname + " == null\");");
+                out.println(indent + "    goto exit;");
+                needsExit = true;
+                out.println(indent + "}");
+
+                out.println(indent + "_native" + cname + " = _env->GetStringUTFChars(" + cname + ", 0);");
+            }
+
+            out.println();
+        }
+
         // Emit 'GetPrimitiveArrayCritical' for arrays
         // Emit 'GetPointer' calls for Buffer pointers
         int bufArgIdx = 0;
@@ -814,7 +868,7 @@
                 String cname = cfunc.getArgName(cIndex);
                 offset = numArrays <= 1 ? "offset" :
                     cname + "Offset";
-                remaining = (numArrays <= 1 && numBuffers <= 1) ? "_remaining" :
+                remaining = ((numArrays + numBuffers) <= 1) ? "_remaining" :
                     "_" + cname + "Remaining";
 
                 if (jfunc.getArgType(idx).isArray()) {
@@ -957,8 +1011,11 @@
                 out.print(indent + indent +
                           "(" +
                           typecast +
-                          ")" +
-                          cfunc.getArgName(i));
+                          ")");
+                if (cfunc.getArgType(i).isConstCharPointer()) {
+                    out.print("_native");
+                }
+                out.print(cfunc.getArgName(i));
 
                 if (i == numArgs - 1) {
                     if (isPointerFunc) {
@@ -1025,6 +1082,22 @@
             }
         }
 
+        // Emit local variable declaration for strings
+        if (stringArgs.size() > 0) {
+            for (int i = 0; i < stringArgs.size(); i++) {
+                int idx = stringArgs.get(i).intValue();
+                int cIndex = jfunc.getArgCIndex(idx);
+                String cname = cfunc.getArgName(cIndex);
+
+                out.println(indent + "if (_native" + cname + ") {");
+                out.println(indent + "    _env->ReleaseStringUTFChars(" + cname + ", _native" + cname + ");");
+                out.println(indent + "}");
+            }
+
+            out.println();
+        }
+
+
         if (!isVoid) {
             out.println(indent + "return _returnValue;");
         }
diff --git a/opengl/tools/glgen/stubs/gles11/GLES20Header.java-if b/opengl/tools/glgen/stubs/gles11/GLES20Header.java-if
new file mode 100644
index 0000000..7504509
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/GLES20Header.java-if
@@ -0,0 +1,331 @@
+**
+** Copyright 2009, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+// This source file is automatically generated
+
+package android.opengl;
+
+/** OpenGL ES 2.0
+ * @hide
+ */
+public class GLES20 {
+    public static final int GL_ACTIVE_TEXTURE                          = 0x84E0;
+    public static final int GL_DEPTH_BUFFER_BIT                        = 0x00000100;
+    public static final int GL_STENCIL_BUFFER_BIT                      = 0x00000400;
+    public static final int GL_COLOR_BUFFER_BIT                        = 0x00004000;
+    public static final int GL_FALSE                                   = 0;
+    public static final int GL_TRUE                                    = 1;
+    public static final int GL_POINTS                                  = 0x0000;
+    public static final int GL_LINES                                   = 0x0001;
+    public static final int GL_LINE_LOOP                               = 0x0002;
+    public static final int GL_LINE_STRIP                              = 0x0003;
+    public static final int GL_TRIANGLES                               = 0x0004;
+    public static final int GL_TRIANGLE_STRIP                          = 0x0005;
+    public static final int GL_TRIANGLE_FAN                            = 0x0006;
+    public static final int GL_ZERO                                    = 0;
+    public static final int GL_ONE                                     = 1;
+    public static final int GL_SRC_COLOR                               = 0x0300;
+    public static final int GL_ONE_MINUS_SRC_COLOR                     = 0x0301;
+    public static final int GL_SRC_ALPHA                               = 0x0302;
+    public static final int GL_ONE_MINUS_SRC_ALPHA                     = 0x0303;
+    public static final int GL_DST_ALPHA                               = 0x0304;
+    public static final int GL_ONE_MINUS_DST_ALPHA                     = 0x0305;
+    public static final int GL_DST_COLOR                               = 0x0306;
+    public static final int GL_ONE_MINUS_DST_COLOR                     = 0x0307;
+    public static final int GL_SRC_ALPHA_SATURATE                      = 0x0308;
+    public static final int GL_FUNC_ADD                                = 0x8006;
+    public static final int GL_BLEND_EQUATION                          = 0x8009;
+    public static final int GL_BLEND_EQUATION_RGB                      = 0x8009;   /* same as BLEND_EQUATION */
+    public static final int GL_BLEND_EQUATION_ALPHA                    = 0x883D;
+    public static final int GL_FUNC_SUBTRACT                           = 0x800A;
+    public static final int GL_FUNC_REVERSE_SUBTRACT                   = 0x800B;
+    public static final int GL_BLEND_DST_RGB                           = 0x80C8;
+    public static final int GL_BLEND_SRC_RGB                           = 0x80C9;
+    public static final int GL_BLEND_DST_ALPHA                         = 0x80CA;
+    public static final int GL_BLEND_SRC_ALPHA                         = 0x80CB;
+    public static final int GL_CONSTANT_COLOR                          = 0x8001;
+    public static final int GL_ONE_MINUS_CONSTANT_COLOR                = 0x8002;
+    public static final int GL_CONSTANT_ALPHA                          = 0x8003;
+    public static final int GL_ONE_MINUS_CONSTANT_ALPHA                = 0x8004;
+    public static final int GL_BLEND_COLOR                             = 0x8005;
+    public static final int GL_ARRAY_BUFFER                            = 0x8892;
+    public static final int GL_ELEMENT_ARRAY_BUFFER                    = 0x8893;
+    public static final int GL_ARRAY_BUFFER_BINDING                    = 0x8894;
+    public static final int GL_ELEMENT_ARRAY_BUFFER_BINDING            = 0x8895;
+    public static final int GL_STREAM_DRAW                             = 0x88E0;
+    public static final int GL_STATIC_DRAW                             = 0x88E4;
+    public static final int GL_DYNAMIC_DRAW                            = 0x88E8;
+    public static final int GL_BUFFER_SIZE                             = 0x8764;
+    public static final int GL_BUFFER_USAGE                            = 0x8765;
+    public static final int GL_CURRENT_VERTEX_ATTRIB                   = 0x8626;
+    public static final int GL_FRONT                                   = 0x0404;
+    public static final int GL_BACK                                    = 0x0405;
+    public static final int GL_FRONT_AND_BACK                          = 0x0408;
+    public static final int GL_TEXTURE_2D                              = 0x0DE1;
+    public static final int GL_CULL_FACE                               = 0x0B44;
+    public static final int GL_BLEND                                   = 0x0BE2;
+    public static final int GL_DITHER                                  = 0x0BD0;
+    public static final int GL_STENCIL_TEST                            = 0x0B90;
+    public static final int GL_DEPTH_TEST                              = 0x0B71;
+    public static final int GL_SCISSOR_TEST                            = 0x0C11;
+    public static final int GL_POLYGON_OFFSET_FILL                     = 0x8037;
+    public static final int GL_SAMPLE_ALPHA_TO_COVERAGE                = 0x809E;
+    public static final int GL_SAMPLE_COVERAGE                         = 0x80A0;
+    public static final int GL_NO_ERROR                                = 0;
+    public static final int GL_INVALID_ENUM                            = 0x0500;
+    public static final int GL_INVALID_VALUE                           = 0x0501;
+    public static final int GL_INVALID_OPERATION                       = 0x0502;
+    public static final int GL_OUT_OF_MEMORY                           = 0x0505;
+    public static final int GL_CW                                      = 0x0900;
+    public static final int GL_CCW                                     = 0x0901;
+    public static final int GL_LINE_WIDTH                              = 0x0B21;
+    public static final int GL_ALIASED_POINT_SIZE_RANGE                = 0x846D;
+    public static final int GL_ALIASED_LINE_WIDTH_RANGE                = 0x846E;
+    public static final int GL_CULL_FACE_MODE                          = 0x0B45;
+    public static final int GL_FRONT_FACE                              = 0x0B46;
+    public static final int GL_DEPTH_RANGE                             = 0x0B70;
+    public static final int GL_DEPTH_WRITEMASK                         = 0x0B72;
+    public static final int GL_DEPTH_CLEAR_VALUE                       = 0x0B73;
+    public static final int GL_DEPTH_FUNC                              = 0x0B74;
+    public static final int GL_STENCIL_CLEAR_VALUE                     = 0x0B91;
+    public static final int GL_STENCIL_FUNC                            = 0x0B92;
+    public static final int GL_STENCIL_FAIL                            = 0x0B94;
+    public static final int GL_STENCIL_PASS_DEPTH_FAIL                 = 0x0B95;
+    public static final int GL_STENCIL_PASS_DEPTH_PASS                 = 0x0B96;
+    public static final int GL_STENCIL_REF                             = 0x0B97;
+    public static final int GL_STENCIL_VALUE_MASK                      = 0x0B93;
+    public static final int GL_STENCIL_WRITEMASK                       = 0x0B98;
+    public static final int GL_STENCIL_BACK_FUNC                       = 0x8800;
+    public static final int GL_STENCIL_BACK_FAIL                       = 0x8801;
+    public static final int GL_STENCIL_BACK_PASS_DEPTH_FAIL            = 0x8802;
+    public static final int GL_STENCIL_BACK_PASS_DEPTH_PASS            = 0x8803;
+    public static final int GL_STENCIL_BACK_REF                        = 0x8CA3;
+    public static final int GL_STENCIL_BACK_VALUE_MASK                 = 0x8CA4;
+    public static final int GL_STENCIL_BACK_WRITEMASK                  = 0x8CA5;
+    public static final int GL_VIEWPORT                                = 0x0BA2;
+    public static final int GL_SCISSOR_BOX                             = 0x0C10;
+    public static final int GL_COLOR_CLEAR_VALUE                       = 0x0C22;
+    public static final int GL_COLOR_WRITEMASK                         = 0x0C23;
+    public static final int GL_UNPACK_ALIGNMENT                        = 0x0CF5;
+    public static final int GL_PACK_ALIGNMENT                          = 0x0D05;
+    public static final int GL_MAX_TEXTURE_SIZE                        = 0x0D33;
+    public static final int GL_MAX_VIEWPORT_DIMS                       = 0x0D3A;
+    public static final int GL_SUBPIXEL_BITS                           = 0x0D50;
+    public static final int GL_RED_BITS                                = 0x0D52;
+    public static final int GL_GREEN_BITS                              = 0x0D53;
+    public static final int GL_BLUE_BITS                               = 0x0D54;
+    public static final int GL_ALPHA_BITS                              = 0x0D55;
+    public static final int GL_DEPTH_BITS                              = 0x0D56;
+    public static final int GL_STENCIL_BITS                            = 0x0D57;
+    public static final int GL_POLYGON_OFFSET_UNITS                    = 0x2A00;
+    public static final int GL_POLYGON_OFFSET_FACTOR                   = 0x8038;
+    public static final int GL_TEXTURE_BINDING_2D                      = 0x8069;
+    public static final int GL_SAMPLE_BUFFERS                          = 0x80A8;
+    public static final int GL_SAMPLES                                 = 0x80A9;
+    public static final int GL_SAMPLE_COVERAGE_VALUE                   = 0x80AA;
+    public static final int GL_SAMPLE_COVERAGE_INVERT                  = 0x80AB;
+    public static final int GL_NUM_COMPRESSED_TEXTURE_FORMATS          = 0x86A2;
+    public static final int GL_COMPRESSED_TEXTURE_FORMATS              = 0x86A3;
+    public static final int GL_DONT_CARE                               = 0x1100;
+    public static final int GL_FASTEST                                 = 0x1101;
+    public static final int GL_NICEST                                  = 0x1102;
+    public static final int GL_GENERATE_MIPMAP_HINT                    = 0x8192;
+    public static final int GL_BYTE                                    = 0x1400;
+    public static final int GL_UNSIGNED_BYTE                           = 0x1401;
+    public static final int GL_SHORT                                   = 0x1402;
+    public static final int GL_UNSIGNED_SHORT                          = 0x1403;
+    public static final int GL_INT                                     = 0x1404;
+    public static final int GL_UNSIGNED_INT                            = 0x1405;
+    public static final int GL_FLOAT                                   = 0x1406;
+    public static final int GL_FIXED                                   = 0x140C;
+    public static final int GL_DEPTH_COMPONENT                         = 0x1902;
+    public static final int GL_ALPHA                                   = 0x1906;
+    public static final int GL_RGB                                     = 0x1907;
+    public static final int GL_RGBA                                    = 0x1908;
+    public static final int GL_LUMINANCE                               = 0x1909;
+    public static final int GL_LUMINANCE_ALPHA                         = 0x190A;
+    public static final int GL_UNSIGNED_SHORT_4_4_4_4                  = 0x8033;
+    public static final int GL_UNSIGNED_SHORT_5_5_5_1                  = 0x8034;
+    public static final int GL_UNSIGNED_SHORT_5_6_5                    = 0x8363;
+    public static final int GL_FRAGMENT_SHADER                           = 0x8B30;
+    public static final int GL_VERTEX_SHADER                             = 0x8B31;
+    public static final int GL_MAX_VERTEX_ATTRIBS                        = 0x8869;
+    public static final int GL_MAX_VERTEX_UNIFORM_VECTORS                = 0x8DFB;
+    public static final int GL_MAX_VARYING_VECTORS                       = 0x8DFC;
+    public static final int GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS          = 0x8B4D;
+    public static final int GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS            = 0x8B4C;
+    public static final int GL_MAX_TEXTURE_IMAGE_UNITS                   = 0x8872;
+    public static final int GL_MAX_FRAGMENT_UNIFORM_VECTORS              = 0x8DFD;
+    public static final int GL_SHADER_TYPE                               = 0x8B4F;
+    public static final int GL_DELETE_STATUS                             = 0x8B80;
+    public static final int GL_LINK_STATUS                               = 0x8B82;
+    public static final int GL_VALIDATE_STATUS                           = 0x8B83;
+    public static final int GL_ATTACHED_SHADERS                          = 0x8B85;
+    public static final int GL_ACTIVE_UNIFORMS                           = 0x8B86;
+    public static final int GL_ACTIVE_UNIFORM_MAX_LENGTH                 = 0x8B87;
+    public static final int GL_ACTIVE_ATTRIBUTES                         = 0x8B89;
+    public static final int GL_ACTIVE_ATTRIBUTE_MAX_LENGTH               = 0x8B8A;
+    public static final int GL_SHADING_LANGUAGE_VERSION                  = 0x8B8C;
+    public static final int GL_CURRENT_PROGRAM                           = 0x8B8D;
+    public static final int GL_NEVER                                   = 0x0200;
+    public static final int GL_LESS                                    = 0x0201;
+    public static final int GL_EQUAL                                   = 0x0202;
+    public static final int GL_LEQUAL                                  = 0x0203;
+    public static final int GL_GREATER                                 = 0x0204;
+    public static final int GL_NOTEQUAL                                = 0x0205;
+    public static final int GL_GEQUAL                                  = 0x0206;
+    public static final int GL_ALWAYS                                  = 0x0207;
+    public static final int GL_KEEP                                    = 0x1E00;
+    public static final int GL_REPLACE                                 = 0x1E01;
+    public static final int GL_INCR                                    = 0x1E02;
+    public static final int GL_DECR                                    = 0x1E03;
+    public static final int GL_INVERT                                  = 0x150A;
+    public static final int GL_INCR_WRAP                               = 0x8507;
+    public static final int GL_DECR_WRAP                               = 0x8508;
+    public static final int GL_VENDOR                                  = 0x1F00;
+    public static final int GL_RENDERER                                = 0x1F01;
+    public static final int GL_VERSION                                 = 0x1F02;
+    public static final int GL_EXTENSIONS                              = 0x1F03;
+    public static final int GL_NEAREST                                 = 0x2600;
+    public static final int GL_LINEAR                                  = 0x2601;
+    public static final int GL_NEAREST_MIPMAP_NEAREST                  = 0x2700;
+    public static final int GL_LINEAR_MIPMAP_NEAREST                   = 0x2701;
+    public static final int GL_NEAREST_MIPMAP_LINEAR                   = 0x2702;
+    public static final int GL_LINEAR_MIPMAP_LINEAR                    = 0x2703;
+    public static final int GL_TEXTURE_MAG_FILTER                      = 0x2800;
+    public static final int GL_TEXTURE_MIN_FILTER                      = 0x2801;
+    public static final int GL_TEXTURE_WRAP_S                          = 0x2802;
+    public static final int GL_TEXTURE_WRAP_T                          = 0x2803;
+    public static final int GL_TEXTURE                                 = 0x1702;
+    public static final int GL_TEXTURE_CUBE_MAP                        = 0x8513;
+    public static final int GL_TEXTURE_BINDING_CUBE_MAP                = 0x8514;
+    public static final int GL_TEXTURE_CUBE_MAP_POSITIVE_X             = 0x8515;
+    public static final int GL_TEXTURE_CUBE_MAP_NEGATIVE_X             = 0x8516;
+    public static final int GL_TEXTURE_CUBE_MAP_POSITIVE_Y             = 0x8517;
+    public static final int GL_TEXTURE_CUBE_MAP_NEGATIVE_Y             = 0x8518;
+    public static final int GL_TEXTURE_CUBE_MAP_POSITIVE_Z             = 0x8519;
+    public static final int GL_TEXTURE_CUBE_MAP_NEGATIVE_Z             = 0x851A;
+    public static final int GL_MAX_CUBE_MAP_TEXTURE_SIZE               = 0x851C;
+    public static final int GL_TEXTURE0                                = 0x84C0;
+    public static final int GL_TEXTURE1                                = 0x84C1;
+    public static final int GL_TEXTURE2                                = 0x84C2;
+    public static final int GL_TEXTURE3                                = 0x84C3;
+    public static final int GL_TEXTURE4                                = 0x84C4;
+    public static final int GL_TEXTURE5                                = 0x84C5;
+    public static final int GL_TEXTURE6                                = 0x84C6;
+    public static final int GL_TEXTURE7                                = 0x84C7;
+    public static final int GL_TEXTURE8                                = 0x84C8;
+    public static final int GL_TEXTURE9                                = 0x84C9;
+    public static final int GL_TEXTURE10                               = 0x84CA;
+    public static final int GL_TEXTURE11                               = 0x84CB;
+    public static final int GL_TEXTURE12                               = 0x84CC;
+    public static final int GL_TEXTURE13                               = 0x84CD;
+    public static final int GL_TEXTURE14                               = 0x84CE;
+    public static final int GL_TEXTURE15                               = 0x84CF;
+    public static final int GL_TEXTURE16                               = 0x84D0;
+    public static final int GL_TEXTURE17                               = 0x84D1;
+    public static final int GL_TEXTURE18                               = 0x84D2;
+    public static final int GL_TEXTURE19                               = 0x84D3;
+    public static final int GL_TEXTURE20                               = 0x84D4;
+    public static final int GL_TEXTURE21                               = 0x84D5;
+    public static final int GL_TEXTURE22                               = 0x84D6;
+    public static final int GL_TEXTURE23                               = 0x84D7;
+    public static final int GL_TEXTURE24                               = 0x84D8;
+    public static final int GL_TEXTURE25                               = 0x84D9;
+    public static final int GL_TEXTURE26                               = 0x84DA;
+    public static final int GL_TEXTURE27                               = 0x84DB;
+    public static final int GL_TEXTURE28                               = 0x84DC;
+    public static final int GL_TEXTURE29                               = 0x84DD;
+    public static final int GL_TEXTURE30                               = 0x84DE;
+    public static final int GL_TEXTURE31                               = 0x84DF;
+    public static final int GL_REPEAT                                  = 0x2901;
+    public static final int GL_CLAMP_TO_EDGE                           = 0x812F;
+    public static final int GL_MIRRORED_REPEAT                         = 0x8370;
+    public static final int GL_FLOAT_VEC2                              = 0x8B50;
+    public static final int GL_FLOAT_VEC3                              = 0x8B51;
+    public static final int GL_FLOAT_VEC4                              = 0x8B52;
+    public static final int GL_INT_VEC2                                = 0x8B53;
+    public static final int GL_INT_VEC3                                = 0x8B54;
+    public static final int GL_INT_VEC4                                = 0x8B55;
+    public static final int GL_BOOL                                    = 0x8B56;
+    public static final int GL_BOOL_VEC2                               = 0x8B57;
+    public static final int GL_BOOL_VEC3                               = 0x8B58;
+    public static final int GL_BOOL_VEC4                               = 0x8B59;
+    public static final int GL_FLOAT_MAT2                              = 0x8B5A;
+    public static final int GL_FLOAT_MAT3                              = 0x8B5B;
+    public static final int GL_FLOAT_MAT4                              = 0x8B5C;
+    public static final int GL_SAMPLER_2D                              = 0x8B5E;
+    public static final int GL_SAMPLER_CUBE                            = 0x8B60;
+    public static final int GL_VERTEX_ATTRIB_ARRAY_ENABLED                 = 0x8622;
+    public static final int GL_VERTEX_ATTRIB_ARRAY_SIZE                    = 0x8623;
+    public static final int GL_VERTEX_ATTRIB_ARRAY_STRIDE                  = 0x8624;
+    public static final int GL_VERTEX_ATTRIB_ARRAY_TYPE                    = 0x8625;
+    public static final int GL_VERTEX_ATTRIB_ARRAY_NORMALIZED              = 0x886A;
+    public static final int GL_VERTEX_ATTRIB_ARRAY_POINTER                 = 0x8645;
+    public static final int GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING          = 0x889F;
+    public static final int GL_IMPLEMENTATION_COLOR_READ_TYPE            = 0x8B9A;
+    public static final int GL_IMPLEMENTATION_COLOR_READ_FORMAT          = 0x8B9B;
+    public static final int GL_COMPILE_STATUS                          = 0x8B81;
+    public static final int GL_INFO_LOG_LENGTH                         = 0x8B84;
+    public static final int GL_SHADER_SOURCE_LENGTH                    = 0x8B88;
+    public static final int GL_SHADER_COMPILER                         = 0x8DFA;
+    public static final int GL_SHADER_BINARY_FORMATS                   = 0x8DF8;
+    public static final int GL_NUM_SHADER_BINARY_FORMATS               = 0x8DF9;
+    public static final int GL_LOW_FLOAT                               = 0x8DF0;
+    public static final int GL_MEDIUM_FLOAT                            = 0x8DF1;
+    public static final int GL_HIGH_FLOAT                              = 0x8DF2;
+    public static final int GL_LOW_INT                                 = 0x8DF3;
+    public static final int GL_MEDIUM_INT                              = 0x8DF4;
+    public static final int GL_HIGH_INT                                = 0x8DF5;
+    public static final int GL_FRAMEBUFFER                             = 0x8D40;
+    public static final int GL_RENDERBUFFER                            = 0x8D41;
+    public static final int GL_RGBA4                                   = 0x8056;
+    public static final int GL_RGB5_A1                                 = 0x8057;
+    public static final int GL_RGB565                                  = 0x8D62;
+    public static final int GL_DEPTH_COMPONENT16                       = 0x81A5;
+    public static final int GL_STENCIL_INDEX                           = 0x1901;
+    public static final int GL_STENCIL_INDEX8                          = 0x8D48;
+    public static final int GL_RENDERBUFFER_WIDTH                      = 0x8D42;
+    public static final int GL_RENDERBUFFER_HEIGHT                     = 0x8D43;
+    public static final int GL_RENDERBUFFER_INTERNAL_FORMAT            = 0x8D44;
+    public static final int GL_RENDERBUFFER_RED_SIZE                   = 0x8D50;
+    public static final int GL_RENDERBUFFER_GREEN_SIZE                 = 0x8D51;
+    public static final int GL_RENDERBUFFER_BLUE_SIZE                  = 0x8D52;
+    public static final int GL_RENDERBUFFER_ALPHA_SIZE                 = 0x8D53;
+    public static final int GL_RENDERBUFFER_DEPTH_SIZE                 = 0x8D54;
+    public static final int GL_RENDERBUFFER_STENCIL_SIZE               = 0x8D55;
+    public static final int GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE      = 0x8CD0;
+    public static final int GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME      = 0x8CD1;
+    public static final int GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL    = 0x8CD2;
+    public static final int GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3;
+    public static final int GL_COLOR_ATTACHMENT0                       = 0x8CE0;
+    public static final int GL_DEPTH_ATTACHMENT                        = 0x8D00;
+    public static final int GL_STENCIL_ATTACHMENT                      = 0x8D20;
+    public static final int GL_NONE                                    = 0;
+    public static final int GL_FRAMEBUFFER_COMPLETE                    = 0x8CD5;
+    public static final int GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT       = 0x8CD6;
+    public static final int GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT          = 0x8CD7;
+    public static final int GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS       = 0x8CD9;
+    public static final int GL_FRAMEBUFFER_UNSUPPORTED                 = 0x8CDD;
+    public static final int GL_FRAMEBUFFER_BINDING                     = 0x8CA6;
+    public static final int GL_RENDERBUFFER_BINDING                    = 0x8CA7;
+    public static final int GL_MAX_RENDERBUFFER_SIZE                   = 0x84E8;
+    public static final int GL_INVALID_FRAMEBUFFER_OPERATION           = 0x0506;
+
+    native private static void _nativeClassInit();
+    static {
+	    _nativeClassInit();
+    }
diff --git a/opengl/tools/glgen/stubs/gles11/GLES20cHeader.cpp b/opengl/tools/glgen/stubs/gles11/GLES20cHeader.cpp
new file mode 100644
index 0000000..e451e9a
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/GLES20cHeader.cpp
@@ -0,0 +1,150 @@
+**
+** Copyright 2009, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+// This source file is automatically generated
+
+#include <android_runtime/AndroidRuntime.h>
+#include <utils/misc.h>
+
+#include <assert.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+static int initialized = 0;
+
+static jclass nioAccessClass;
+static jclass bufferClass;
+static jclass OOMEClass;
+static jclass UOEClass;
+static jclass IAEClass;
+static jclass AIOOBEClass;
+static jmethodID getBasePointerID;
+static jmethodID getBaseArrayID;
+static jmethodID getBaseArrayOffsetID;
+static jfieldID positionID;
+static jfieldID limitID;
+static jfieldID elementSizeShiftID;
+
+/* Cache method IDs each time the class is loaded. */
+
+static void
+nativeClassInitBuffer(JNIEnv *_env)
+{
+    jclass nioAccessClassLocal = _env->FindClass("java/nio/NIOAccess");
+    nioAccessClass = (jclass) _env->NewGlobalRef(nioAccessClassLocal);
+
+    jclass bufferClassLocal = _env->FindClass("java/nio/Buffer");
+    bufferClass = (jclass) _env->NewGlobalRef(bufferClassLocal);
+
+    getBasePointerID = _env->GetStaticMethodID(nioAccessClass,
+            "getBasePointer", "(Ljava/nio/Buffer;)J");
+    getBaseArrayID = _env->GetStaticMethodID(nioAccessClass,
+            "getBaseArray", "(Ljava/nio/Buffer;)Ljava/lang/Object;");
+    getBaseArrayOffsetID = _env->GetStaticMethodID(nioAccessClass,
+            "getBaseArrayOffset", "(Ljava/nio/Buffer;)I");
+
+    positionID = _env->GetFieldID(bufferClass, "position", "I");
+    limitID = _env->GetFieldID(bufferClass, "limit", "I");
+    elementSizeShiftID =
+        _env->GetFieldID(bufferClass, "_elementSizeShift", "I");
+}
+
+
+static void
+nativeClassInit(JNIEnv *_env, jclass glImplClass)
+{
+    nativeClassInitBuffer(_env);
+
+    jclass IAEClassLocal =
+        _env->FindClass("java/lang/IllegalArgumentException");
+    jclass OOMEClassLocal =
+         _env->FindClass("java/lang/OutOfMemoryError");
+    jclass UOEClassLocal =
+         _env->FindClass("java/lang/UnsupportedOperationException");
+    jclass AIOOBEClassLocal =
+         _env->FindClass("java/lang/ArrayIndexOutOfBoundsException");
+
+    IAEClass = (jclass) _env->NewGlobalRef(IAEClassLocal);
+    OOMEClass = (jclass) _env->NewGlobalRef(OOMEClassLocal);
+    UOEClass = (jclass) _env->NewGlobalRef(UOEClassLocal);
+    AIOOBEClass = (jclass) _env->NewGlobalRef(AIOOBEClassLocal);
+}
+
+static void *
+getPointer(JNIEnv *_env, jobject buffer, jarray *array, jint *remaining)
+{
+    jint position;
+    jint limit;
+    jint elementSizeShift;
+    jlong pointer;
+    jint offset;
+    void *data;
+
+    position = _env->GetIntField(buffer, positionID);
+    limit = _env->GetIntField(buffer, limitID);
+    elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID);
+    *remaining = (limit - position) << elementSizeShift;
+    pointer = _env->CallStaticLongMethod(nioAccessClass,
+            getBasePointerID, buffer);
+    if (pointer != 0L) {
+        *array = NULL;
+        return (void *) (jint) pointer;
+    }
+    
+    *array = (jarray) _env->CallStaticObjectMethod(nioAccessClass,
+            getBaseArrayID, buffer);
+    offset = _env->CallStaticIntMethod(nioAccessClass,
+            getBaseArrayOffsetID, buffer);
+    data = _env->GetPrimitiveArrayCritical(*array, (jboolean *) 0);
+    
+    return (void *) ((char *) data + offset);
+}
+
+
+static void
+releasePointer(JNIEnv *_env, jarray array, void *data, jboolean commit)
+{
+    _env->ReleasePrimitiveArrayCritical(array, data,
+					   commit ? 0 : JNI_ABORT);
+}
+
+static void *
+getDirectBufferPointer(JNIEnv *_env, jobject buffer) {
+    char* buf = (char*) _env->GetDirectBufferAddress(buffer);
+    if (buf) {
+        jint position = _env->GetIntField(buffer, positionID);
+        jint elementSizeShift = _env->GetIntField(buffer, elementSizeShiftID);
+        buf += position << elementSizeShift;
+    } else {
+        _env->ThrowNew(IAEClass, "Must use a native order direct Buffer");
+    }
+    return (void*) buf;
+}
+
+static int
+getNumCompressedTextureFormats() {
+    int numCompressedTextureFormats = 0;
+    glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS, &numCompressedTextureFormats);
+    return numCompressedTextureFormats;
+}
+
+static void glVertexAttribPointerBounds(GLuint indx, GLint size, GLenum type,
+        GLboolean normalized, GLsizei stride, const GLvoid *pointer, GLsizei count) {
+    glVertexAttribPointer(indx, size, type, normalized, stride, pointer);
+}
+
+// --------------------------------------------------------------------------
+
diff --git a/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.cpp b/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.cpp
new file mode 100644
index 0000000..d92f515
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.cpp
@@ -0,0 +1,27 @@
+#include <string.h>
+
+/* void glGetProgramInfoLog ( GLuint shader, GLsizei maxLength, GLsizei* length, GLchar* infoLog ) */
+static
+jstring
+android_glGetProgramInfoLog (JNIEnv *_env, jobject _this, jint shader) {
+    GLint infoLen = 0;
+    jstring _result = 0;
+    char* buf = 0;
+    glGetProgramiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
+    if (infoLen) {
+        char* buf = (char*) malloc(infoLen);
+        if (buf == 0) {
+            _env->ThrowNew(IAEClass, "out of memory");
+            goto exit;
+        }
+        glGetProgramInfoLog(shader, infoLen, NULL, buf);
+        _result = _env->NewStringUTF(buf);
+    } else {
+        _result = _env->NewStringUTF("");
+    }
+exit:
+    if (buf) {
+            free(buf);
+    }
+    return _result;
+}
\ No newline at end of file
diff --git a/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.java b/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.java
new file mode 100644
index 0000000..19504f2
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.java
@@ -0,0 +1,6 @@
+    // C function void glGetProgramInfoLog( GLuint program, GLsizei maxLength, GLsizei * length,
+ 	//     GLchar * infoLog);
+
+    public static native String glGetProgramInfoLog(
+        int program
+    );
diff --git a/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.nativeReg b/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.nativeReg
new file mode 100644
index 0000000..8553f2d
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.nativeReg
@@ -0,0 +1 @@
+{"glGetProgramInfoLog", "(I)Ljava/lang/String;", (void *) android_glGetProgramInfoLog },
diff --git a/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.cpp b/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.cpp
new file mode 100644
index 0000000..5441d66
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.cpp
@@ -0,0 +1,27 @@
+#include <string.h>
+
+/* void glGetShaderInfoLog ( GLuint shader, GLsizei maxLength, GLsizei* length, GLchar* infoLog ) */
+static
+jstring
+android_glGetShaderInfoLog (JNIEnv *_env, jobject _this, jint shader) {
+    GLint infoLen = 0;
+    jstring _result = 0;
+    char* buf = 0;
+    glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
+    if (infoLen) {
+        char* buf = (char*) malloc(infoLen);
+        if (buf == 0) {
+            _env->ThrowNew(IAEClass, "out of memory");
+            goto exit;
+        }
+        glGetShaderInfoLog(shader, infoLen, NULL, buf);
+        _result = _env->NewStringUTF(buf);
+    } else {
+        _result = _env->NewStringUTF("");
+    }
+exit:
+    if (buf) {
+            free(buf);
+    }
+    return _result;
+}
\ No newline at end of file
diff --git a/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.java b/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.java
new file mode 100644
index 0000000..1fac6be
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.java
@@ -0,0 +1,6 @@
+    // C function void glGetShaderInfoLog( GLuint shader, GLsizei maxLength, GLsizei * length,
+ 	//     GLchar * infoLog);
+
+    public static native String glGetShaderInfoLog(
+        int shader
+    );
diff --git a/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.nativeReg b/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.nativeReg
new file mode 100644
index 0000000..71163c3
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.nativeReg
@@ -0,0 +1 @@
+{"glGetShaderInfoLog", "(I)Ljava/lang/String;", (void *) android_glGetShaderInfoLog },
diff --git a/opengl/tools/glgen/stubs/gles11/glShaderSource.cpp b/opengl/tools/glgen/stubs/gles11/glShaderSource.cpp
new file mode 100644
index 0000000..c274108
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glShaderSource.cpp
@@ -0,0 +1,17 @@
+
+/* void glShaderSource ( GLuint shader, GLsizei count, const GLchar ** string, const GLint * length ) */
+static
+void
+android_glShaderSource
+    (JNIEnv *_env, jobject _this, jint shader, jstring string) {
+
+    if (!string) {
+        _env->ThrowNew(IAEClass, "string == null");
+        return;
+    }
+
+    const char* nativeString = _env->GetStringUTFChars(string, 0);
+    const char* strings[] = {nativeString};
+    glShaderSource(shader, 1, strings, 0);
+    _env->ReleaseStringUTFChars(string, nativeString);
+}
diff --git a/opengl/tools/glgen/stubs/gles11/glShaderSource.java b/opengl/tools/glgen/stubs/gles11/glShaderSource.java
new file mode 100644
index 0000000..a9c338a
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glShaderSource.java
@@ -0,0 +1,6 @@
+    // C function void glShaderSource ( GLuint shader, GLsizei count, const GLchar ** string, const GLint* length )
+
+    public static native void glShaderSource(
+        int shader,
+        String string
+    );
diff --git a/opengl/tools/glgen/stubs/gles11/glShaderSource.nativeReg b/opengl/tools/glgen/stubs/gles11/glShaderSource.nativeReg
new file mode 100644
index 0000000..b17783a
--- /dev/null
+++ b/opengl/tools/glgen/stubs/gles11/glShaderSource.nativeReg
@@ -0,0 +1 @@
+{"glShaderSource", "(ILjava/lang/String;)V", (void *) android_glShaderSource },