48     GrGLExtensions extensions;  in GrGLMakeAssembledGLInterface()  local
49     if (!extensions.init(kGL_GrGLStandard, GetString, GetStringi, GetIntegerv, queryString,  in GrGLMakeAssembledGLInterface()
167     } else if (extensions.has("GL_ARB_blend_func_extended")) {  in GrGLMakeAssembledGLInterface()
171     if (extensions.has("GL_KHR_blend_equation_advanced")) {  in GrGLMakeAssembledGLInterface()
173     } else if (extensions.has("GL_NV_blend_equation_advanced")) {  in GrGLMakeAssembledGLInterface()
180     } else if (extensions.has("GL_ARB_clear_texture")) {  in GrGLMakeAssembledGLInterface()
188     } else if (extensions.has("GL_ARB_draw_instanced")) {  in GrGLMakeAssembledGLInterface()
191     } else if (extensions.has("GL_EXT_draw_instanced")) {  in GrGLMakeAssembledGLInterface()
202     } else if (extensions.has("GL_ARB_draw_indirect")) {  in GrGLMakeAssembledGLInterface()
211     } else if (extensions.has("GL_ARB_texture_multisample")) {  in GrGLMakeAssembledGLInterface()
220     } else if (extensions.has("GL_ARB_multi_draw_indirect")) {  in GrGLMakeAssembledGLInterface()
235     } else if (extensions.has("GL_ARB_texture_storage")) {  in GrGLMakeAssembledGLInterface()
237     } else if (extensions.has("GL_EXT_texture_storage")) {  in GrGLMakeAssembledGLInterface()
243     } else if (extensions.has("GL_ARB_texture_barrier")) {  in GrGLMakeAssembledGLInterface()
245     } else if (extensions.has("GL_NV_texture_barrier")) {  in GrGLMakeAssembledGLInterface()
251     } else if (extensions.has("GL_ARB_instanced_arrays")) {  in GrGLMakeAssembledGLInterface()
273     } else if (extensions.has("GL_ARB_framebuffer_object")) {  in GrGLMakeAssembledGLInterface()
287     } else if (extensions.has("GL_EXT_framebuffer_object")) {  in GrGLMakeAssembledGLInterface()
305     } else if (extensions.has("GL_ARB_framebuffer_object")) {  in GrGLMakeAssembledGLInterface()
307     } else if (extensions.has("GL_EXT_framebuffer_blit")) {  in GrGLMakeAssembledGLInterface()
313     } else if (extensions.has("GL_ARB_framebuffer_object")) {  in GrGLMakeAssembledGLInterface()
315     } else if (extensions.has("GL_EXT_framebuffer_multisample")) {  in GrGLMakeAssembledGLInterface()
326     } else if (extensions.has("GL_ARB_map_buffer_range")) {  in GrGLMakeAssembledGLInterface()
331     if (extensions.has("GL_EXT_debug_marker")) {  in GrGLMakeAssembledGLInterface()
339     } else if (extensions.has("GL_ARB_program_interface_query")) {  in GrGLMakeAssembledGLInterface()
343     if (extensions.has("GL_NV_path_rendering")) {  in GrGLMakeAssembledGLInterface()
348     if (extensions.has("GL_NV_path_rendering")) {  in GrGLMakeAssembledGLInterface()
371     if (extensions.has("GL_NV_framebuffer_mixed_samples")) {  in GrGLMakeAssembledGLInterface()
383     } else if (extensions.has("GL_KHR_debug")) {  in GrGLMakeAssembledGLInterface()
393     if (extensions.has("GL_EXT_window_rectangles")) {  in GrGLMakeAssembledGLInterface()
403     } else if (extensions.has("GL_ARB_sync")) {  in GrGLMakeAssembledGLInterface()
413     } else if (extensions.has("GL_ARB_internalformat_query")) {  in GrGLMakeAssembledGLInterface()
432     } else if (extensions.has("GL_ARB_sampler_objects")) {  in GrGLMakeAssembledGLInterface()
454     } else if (extensions.has("GL_ARB_timer_query")) {  in GrGLMakeAssembledGLInterface()
457     } else if (extensions.has("GL_EXT_timer_query")) {  in GrGLMakeAssembledGLInterface()
464     } else if (extensions.has("GL_ARB_timer_query")) {  in GrGLMakeAssembledGLInterface()
473     } else if (extensions.has("GL_ARB_invalidate_subdata")) {  in GrGLMakeAssembledGLInterface()
483     } else if (extensions.has("GL_ARB_invalidate_subdata")) {  in GrGLMakeAssembledGLInterface()
490     } else if (extensions.has("GL_ARB_ES2_compatibility")) {  in GrGLMakeAssembledGLInterface()
497     interface->fExtensions.swap(&extensions);  in GrGLMakeAssembledGLInterface()