The WebGL extension EXT_texture_filter_anisotropic is being exposed in Safari with the name "WEBKIT_EXT_texture_filter_anisotropic". Since this extension's been approved in the extension registry for some time now, the prefix should be removed. See https://www.khronos.org/registry/webgl/extensions/ . To reproduce: > c = document.createElement('canvas') < <canvas> > gl = c.getContext('webgl') < WebGLRenderingContext > gl.getSupportedExtensions() < ["OES_texture_float", "OES_texture_float_linear", "OES_texture_half_float", "OES_texture_half_float_linear", "OES_standard_derivatives", "EXT_shader_texture_lod", "WEBKIT_EXT_texture_filter_anisotropic", "OES_vertex_array_object", "OES_element_index_uint", "WEBGL_lose_context", "WEBGL_compressed_texture_s3tc", "WEBGL_depth_texture", "ANGLE_instanced_arrays"]
<rdar://problem/22983722>
Created attachment 262485 [details] Patch
Committed r190595: <http://trac.webkit.org/changeset/190595>