1GL_NV_conditional_render
2http://www.opengl.org/registry/specs/NV/conditional_render.txt
3GL_NV_conditional_render
4
5	GL_QUERY_WAIT_NV 0x8E13
6	GL_QUERY_NO_WAIT_NV 0x8E14
7	GL_QUERY_BY_REGION_WAIT_NV 0x8E15
8	GL_QUERY_BY_REGION_NO_WAIT_NV 0x8E16
9	void glBeginConditionalRenderNV (GLuint id, GLenum mode)
10	void glEndConditionalRenderNV (void)
11