Add a static helper function to convert a GL format/type to d3dformat and call this from Image::getD3DFormat

Trac #19259
Issue=268

Signed-off-by: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@913 736b8ea6-26fd-11df-bfd4-992fa37f6226
1 file changed