Change the max reported viewport size to be the same as the maximum texture size in D3D11. This fixes a regression in the WebGL conformance test "drawingbuffer-test". TRAC #22582 Signed-off-by: Geoff Lang Signed-off-by: Nicolas Capens Author: Jamie Madill git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1912 736b8ea6-26fd-11df-bfd4-992fa37f6226