1GL_ARB_occlusion_query
2http://www.opengl.org/registry/specs/ARB/occlusion_query.txt
3GL_ARB_occlusion_query
4	GL_QUERY_COUNTER_BITS_ARB 0x8864
5	GL_CURRENT_QUERY_ARB 0x8865
6	GL_QUERY_RESULT_ARB 0x8866
7	GL_QUERY_RESULT_AVAILABLE_ARB 0x8867
8	GL_SAMPLES_PASSED_ARB 0x8914
9	void glBeginQueryARB (GLenum target, GLuint id)
10	void glDeleteQueriesARB (GLsizei n, const GLuint* ids)
11	void glEndQueryARB (GLenum target)
12	void glGenQueriesARB (GLsizei n, GLuint* ids)
13	void glGetQueryObjectivARB (GLuint id, GLenum pname, GLint* params)
14	void glGetQueryObjectuivARB (GLuint id, GLenum pname, GLuint* params)
15	void glGetQueryivARB (GLenum target, GLenum pname, GLint* params)
16	GLboolean glIsQueryARB (GLuint id)
17