GL_ARB_pipeline_statistics_query
http://www.opengl.org/registry/specs/ARB/pipeline_statistics_query.txt
GL_ARB_pipeline_statistics_query
	GL_VERTICES_SUBMITTED_ARB 0x82EE
	GL_PRIMITIVES_SUBMITTED_ARB 0x82EF
	GL_VERTEX_SHADER_INVOCATIONS_ARB 0x82F0
	GL_TESS_CONTROL_SHADER_PATCHES_ARB 0x82F1
	GL_TESS_EVALUATION_SHADER_INVOCATIONS_ARB 0x82F2
	GL_GEOMETRY_SHADER_PRIMITIVES_EMITTED_ARB 0x82F3
	GL_FRAGMENT_SHADER_INVOCATIONS_ARB 0x82F4
	GL_COMPUTE_SHADER_INVOCATIONS_ARB 0x82F5
	GL_CLIPPING_INPUT_PRIMITIVES_ARB 0x82F6
	GL_CLIPPING_OUTPUT_PRIMITIVES_ARB 0x82F7
	GL_GEOMETRY_SHADER_INVOCATIONS 0x887F
