diff --git a/opengl/libs/tools/genfiles b/opengl/libs/tools/genfiles
new file mode 100755
index 0000000..107768b
--- /dev/null
+++ b/opengl/libs/tools/genfiles
@@ -0,0 +1,20 @@
+#! /bin/sh
+#
+# Copyright (C) 2008 Google Inc.
+#
+# 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.
+
+./glapigen ../../include/GLES/gl.h > ../GLES_CM/gl_api.in 
+./glentrygen ../../include/GLES/gl.h > ../gl_entries.in 
+./glapigen ../../include/GLES/glext.h > ../GLES_CM/glext_api.in 
+./glentrygen ../../include/GLES/glext.h > ../glext_entries.in 
diff --git a/opengl/libs/tools/glapigen b/opengl/libs/tools/glapigen
new file mode 100755
index 0000000..a2c3a7b
--- /dev/null
+++ b/opengl/libs/tools/glapigen
@@ -0,0 +1,72 @@
+#! /usr/bin/perl
+#
+# Copyright (C) 2008 Google Inc.
+#
+# 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.
+
+use strict;
+
+while (my $line = <>) {
+  next if $line =~ /^\//;
+  next if $line =~ /^#/;
+  next if $line =~ /^\s*$/;
+  if ($line !~ /^GL_API\s+(.+)\s+GL_APIENTRY\s+([\w]+)\s*\(([^\)]+)\);/) {
+    next;
+  }
+  my $type = $1;
+  my $name = $2;
+  my $args = $3;
+
+  #printf("%s", $line);
+  
+  my $prefix = "";
+  if ($name eq "glEGLImageTargetTexture2DOES") {
+    $prefix = "__";
+  }
+  if ($name eq "glEGLImageTargetRenderbufferStorageOES") {
+    $prefix = "__";
+  }
+  
+  printf("%s API_ENTRY(%s%s)(%s)", $type, $prefix, $name, $args);
+  
+  printf(" {\n");
+  if ($type eq "void") {
+    printf("    CALL_GL_API(%s", $name);
+  } else {
+    printf("    CALL_GL_API_RETURN(%s", $name);
+  }
+  my @args = split ',', $args;
+  my $len = scalar(@args);
+  for (my $num = 0; $num < $len; $num++) {
+    if ($args[$num] ne "void") {
+      print ", ";
+      #
+      # extract the name from the parameter
+      # type name
+      # const type *name
+      # type *name
+      # type name[4]
+      #
+      if ($args[$num] =~ /(\S+\s)+\**\s*([\w]+)/) {
+        printf("%s", $2);
+      }
+    }
+  }
+  printf(");\n");
+  printf("}\n");
+}
+
+
+
+
+
diff --git a/opengl/libs/tools/glentrygen b/opengl/libs/tools/glentrygen
new file mode 100755
index 0000000..5e0f7b6
--- /dev/null
+++ b/opengl/libs/tools/glentrygen
@@ -0,0 +1,31 @@
+#! /usr/bin/perl
+#
+# Copyright (C) 2008 Google Inc.
+#
+# 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.
+
+use strict;
+
+while (my $line = <>) {
+  next if $line =~ /^\//;
+  next if $line =~ /^#/;
+  next if $line =~ /^\s*$/;
+  if ($line !~ /^GL_API\s+(.+)\s+GL_APIENTRY\s+([\w]+)\s*\(([^\)]+)\);/) {
+    next;
+  }
+  my $type = $1;
+  my $name = $2;
+  my $args = $3;
+
+  printf("GL_ENTRY(%s, %s, %s)\n", $type, $name, $args);
+}