--- /dev/null
+<?xml version="1.0"?>
+<!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd">
+
+<!-- Note: no GLX protocol info yet. -->
+
+
+<OpenGLAPI>
+
+<category name="GL_ARB_map_buffer_range" number="50">
+
+ <enum name="MAP_READ_BIT" value="0x0001"/>
+ <enum name="MAP_WRITE_BIT" value="0x0002"/>
+ <enum name="MAP_INVALIDATE_RANGE_BIT" value="0x0004"/>
+ <enum name="MAP_INVALIDATE_BUFFER_BIT" value="0x0008"/>
+ <enum name="MAP_FLUSH_EXPLICIT_BIT" value="0x0010"/>
+ <enum name="MAP_UNSYNCHRONIZED_BIT" value="0x0020"/>
+
+ <function name="MapBufferRange" offset="assign">
+ <param name="target" type="GLenum"/>
+ <param name="offset" type="GLintptr"/>
+ <param name="length" type="GLsizeiptr"/>
+ <param name="access" type="GLbitfield"/>
+ <return type="GLvoid *"/>
+ </function>
+
+ <function name="FlushMappedBufferRange" offset="assign">
+ <param name="target" type="GLenum"/>
+ <param name="offset" type="GLintptr"/>
+ <param name="length" type="GLsizeiptr"/>
+ </function>
+
+</category>
+
+</OpenGLAPI>