add shaderproc32 for translate+clamp+nofilter.

todo: should be pretty easy to have a variant for repeat tilemode as well
Review URL: https://codereview.appspot.com/6658053

git-svn-id: http://skia.googlecode.com/svn/trunk@5926 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed