diff --git a/opengl/libagl/state.h b/opengl/libagl/state.h
new file mode 100644
index 0000000..55a5ccb
--- /dev/null
+++ b/opengl/libagl/state.h
@@ -0,0 +1,54 @@
+/* libs/opengles/state.h
+**
+** Copyright 2006, 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.
+*/
+
+#ifndef ANDROID_OPENGLES_STATE_H
+#define ANDROID_OPENGLES_STATE_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <sys/types.h>
+
+#include <private/pixelflinger/ggl_context.h>
+
+#include <GLES/gl.h>
+
+#include <stdio.h>
+
+namespace android {
+
+ogles_context_t *ogles_init(size_t extra);
+void ogles_uninit(ogles_context_t* c);
+void _ogles_error(ogles_context_t* c, GLenum error);
+
+#ifndef TRACE_GL_ERRORS
+#define TRACE_GL_ERRORS 0
+#endif
+
+#if TRACE_GL_ERRORS
+#define ogles_error(c, error) \
+do { \
+  printf("ogles_error at file %s line %d\n", __FILE__, __LINE__); \
+  _ogles_error(c, error); \
+} while (0)
+#else /* !TRACE_GL_ERRORS */
+#define ogles_error(c, error) _ogles_error((c), (error))
+#endif
+
+}; // namespace android
+
+#endif // ANDROID_OPENGLES_STATE_H
+