hasForWeb method

dynamic hasForWeb(String name)

Implementation

dynamic hasForWeb(String name) {
  if (extensions[name] != null) {
    return extensions[name];
  }

  dynamic extension;

  switch (name) {
    case 'WEBGL_depth_texture':
      extension = gl.getExtension('WEBGL_depth_texture') ??
          gl.getExtension('MOZ_WEBGL_depth_texture') ??
          gl.getExtension('WEBKIT_WEBGL_depth_texture');
      break;

    case 'EXT_texture_filter_anisotropic':
      extension = gl.getExtension('EXT_texture_filter_anisotropic') ??
          gl.getExtension('MOZ_EXT_texture_filter_anisotropic') ??
          gl.getExtension('WEBKIT_EXT_texture_filter_anisotropic');
      break;

    case 'WEBGL_compressed_texture_s3tc':
      extension = gl.getExtension('WEBGL_compressed_texture_s3tc') ??
          gl.getExtension('MOZ_WEBGL_compressed_texture_s3tc') ??
          gl.getExtension('WEBKIT_WEBGL_compressed_texture_s3tc');
      break;

    case 'WEBGL_compressed_texture_pvrtc':
      extension = gl.getExtension('WEBGL_compressed_texture_pvrtc') ??
          gl.getExtension('WEBKIT_WEBGL_compressed_texture_pvrtc');
      break;

    default:
      extension = gl.getExtension(name);
  }

  extensions[name] = extension;

  return extension;
}