More GPU blur fixes.
authorsenorblanco@chromium.org <senorblanco@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81>
Fri, 15 Jul 2011 14:28:16 +0000 (14:28 +0000)
committersenorblanco@chromium.org <senorblanco@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81>
Fri, 15 Jul 2011 14:28:16 +0000 (14:28 +0000)
commite36ddf01311802dd5c5fe85d47a9bd84b2b84565
tree5afe3ee14eab469d374ed2cc169219546890d9d6
parent9de4dc9b1ecb724757a9895c6a7d32d6267bf211
More GPU blur fixes.

- clamp the max. radius to 128, as the software path does
- use a more accurate radius-to-sigma conversion (0.6 instead of 0.6666)
- make SampleBlur derive from SampleView, not SkView, so benchmark mode ('f')
works
- implement a new BigBlur sample to test large radii

Review URL:  http://codereview.appspot.com/4726043

git-svn-id: http://skia.googlecode.com/svn/trunk@1871 2bbb7eff-a529-9590-31e7-b0007b416f81
gyp/SampleApp.gyp
samplecode/SampleBigBlur.cpp [new file with mode: 0644]
samplecode/SampleBlur.cpp
src/gpu/SkGpuDevice.cpp