1. DomName('WebGLRenderingContext.uniform3i')
  2. DocsEditable()
void uniform3i(UniformLocation location, int x, int y, int z)

Source 

@DomName('WebGLRenderingContext.uniform3i')
@DocsEditable()
void uniform3i(UniformLocation location, int x, int y, int z) => _blink.BlinkWebGLRenderingContext.instance.uniform3i_Callback_4_(this, location, x, y, z);