Fix clipping problem in GPU-based blur.  The FBOs used for the fast Gaussian
blur were being clipped to the size of the output window, causing the blurred
primitive to be truncated if the FBO was larger than the output window.  Clip
them to the srcRect instead, and restore when done.

Review URL:  http://codereview.appspot.com/4695057/



git-svn-id: http://skia.googlecode.com/svn/trunk@1859 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed