<?xml version="1.0"?> <!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd"> <!-- Note: no GLX protocol info yet. --> <OpenGLAPI> <category name="GL_ARB_copy_buffer" number="59"> <enum name="COPY_READ_BUFFER" value="0x8F36"/> <enum name="COPY_WRITE_BUFFER" value="0x8F37"/> <function name="CopyBufferSubData" offset="assign"> <param name="readTarget" type="GLenum"/> <param name="writeTarget" type="GLenum"/> <param name="readOffset" type="GLintptr"/> <param name="writeOffset" type="GLintptr"/> <param name="size" type="GLsizeiptr"/> </function> </category> </OpenGLAPI>