Fix degenerate and near-degenerate quadratic hairlines on the gpu

Fix degenerate and near-degenerate hairlines on the gpu

Committed: http://code.google.com/p/skia/source/detail?r=9279

[robertphillips, 2013-05-24 18:23:14]

lgtm + nits

https://codereview.chromium.org/16035002/diff/4001/gm/hairlines.cpp
File gm/hairlines.cpp (right):

https://codereview.chromium.org/16035002/diff/4001/gm/hairlines.cpp#newcode20
gm/hairlines.cpp:20: 
is this an override too?

https://codereview.chromium.org/16035002/diff/4001/gm/hairlines.cpp#newcode129
gm/hairlines.cpp:129: }
final restore?

https://codereview.chromium.org/16035002/diff/4001/src/gpu/GrAAHairLinePathRe...
File src/gpu/GrAAHairLinePathRenderer.cpp (right):

https://codereview.chromium.org/16035002/diff/4001/src/gpu/GrAAHairLinePathRe...
src/gpu/GrAAHairLinePathRenderer.cpp:245: for (int i = 0; i < n; ++i) {
* 2?

[bsalomon, 2013-05-24 18:30:56]

https://codereview.chromium.org/16035002/diff/4001/gm/hairlines.cpp
File gm/hairlines.cpp (right):

https://codereview.chromium.org/16035002/diff/4001/gm/hairlines.cpp#newcode20
gm/hairlines.cpp:20: 
On 2013/05/24 18:23:14, robertphillips wrote:
> is this an override too?

Done.

https://codereview.chromium.org/16035002/diff/4001/src/gpu/GrAAHairLinePathRe...
File src/gpu/GrAAHairLinePathRenderer.cpp (right):

https://codereview.chromium.org/16035002/diff/4001/src/gpu/GrAAHairLinePathRe...
src/gpu/GrAAHairLinePathRenderer.cpp:245: for (int i = 0; i < n; ++i) {
On 2013/05/24 18:23:14, robertphillips wrote:
> * 2?

Done.

[commit-bot: I haz the power, 2013-05-24 18:31:09]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/bsalomon@google.com/16035002/10001

[commit-bot: I haz the power, 2013-05-24 18:51:57]

Change committed as 9279