GrAtlas refactor: Replace GrMaskFormat usage in GrAtlas with GrPixelConfig.

GrAtlas refactor: Replace GrMaskFormat usage in GrAtlas with GrPixelConfig.

This gets the font-specific GrMaskFormat out of GrAtlas and replaces it with
more generic configs, allowing GrAtlas to be used for other things.

Committed: http://code.google.com/p/skia/source/detail?r=11474

[robertphillips, 2013-09-26 13:47:35]

lgtm + 2 nits/suggestions

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrAtlas.cpp
File src/gpu/GrAtlas.cpp (right):

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrAtlas.cpp#newcode125
src/gpu/GrAtlas.cpp:125: if (BORDER) {
Replace bpp with fBytesPerPixel?

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrTextStrike.cpp
File src/gpu/GrTextStrike.cpp (right):

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrTextStrike.cpp#newc...
src/gpu/GrTextStrike.cpp:43: 
mask_format_2_pixel_config?

[commit-bot: I haz the power, 2013-09-26 15:15:10]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/jvanverth@google.com/24751003/8001

[jvanverth1, 2013-09-26 15:16:07]

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrAtlas.cpp
File src/gpu/GrAtlas.cpp (right):

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrAtlas.cpp#newcode125
src/gpu/GrAtlas.cpp:125: if (BORDER) {
On 2013/09/26 13:47:35, robertphillips wrote:
> Replace bpp with fBytesPerPixel?

Done.

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrTextStrike.cpp
File src/gpu/GrTextStrike.cpp (right):

https://codereview.chromium.org/24751003/diff/1/src/gpu/GrTextStrike.cpp#newc...
src/gpu/GrTextStrike.cpp:43: 
On 2013/09/26 13:47:35, robertphillips wrote:
> mask_format_2_pixel_config?

Done.

[commit-bot: I haz the power, 2013-09-26 15:28:45]

Change committed as 11474