Mike Reed
5dd202dc90
Revert "Revert "move GrColor.h to private, IWYU""
...
This reverts commit 63cc29304a
.
Reason for revert: pdfium updated
Original change's description:
> Revert "move GrColor.h to private, IWYU"
>
> This reverts commit e602f39581
.
>
> Reason for revert: Breaks PDFIUM
>
> Original change's description:
> > move GrColor.h to private, IWYU
> >
> > Bug: skia:
> > Change-Id: I0f0dabd7cc54cb7786f53bd6da0c0c012375037e
> > Reviewed-on: https://skia-review.googlesource.com/104160
> > Commit-Queue: Mike Reed <reed@google.com>
> > Reviewed-by: Brian Salomon <bsalomon@google.com>
>
> TBR=bsalomon@google.com ,reed@google.com
>
> Change-Id: Ifaa50f8771fa1ca8bc152270efdb1fe27f7210f2
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: skia:
> Reviewed-on: https://skia-review.googlesource.com/104440
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Brian Salomon <bsalomon@google.com>
TBR=bsalomon@google.com ,reed@google.com
Change-Id: I22fa5c0e0628b5c1f3b5f13879c7d1a4528cc93a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/104561
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2018-02-06 23:05:46 +00:00
Brian Salomon
63cc29304a
Revert "move GrColor.h to private, IWYU"
...
This reverts commit e602f39581
.
Reason for revert: Breaks PDFIUM
Original change's description:
> move GrColor.h to private, IWYU
>
> Bug: skia:
> Change-Id: I0f0dabd7cc54cb7786f53bd6da0c0c012375037e
> Reviewed-on: https://skia-review.googlesource.com/104160
> Commit-Queue: Mike Reed <reed@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
TBR=bsalomon@google.com ,reed@google.com
Change-Id: Ifaa50f8771fa1ca8bc152270efdb1fe27f7210f2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/104440
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2018-02-06 18:33:26 +00:00
Mike Reed
e602f39581
move GrColor.h to private, IWYU
...
Bug: skia:
Change-Id: I0f0dabd7cc54cb7786f53bd6da0c0c012375037e
Reviewed-on: https://skia-review.googlesource.com/104160
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2018-02-06 15:42:15 +00:00
Mike Reed
1d08d72196
center frame to make hairline more repo on gpus
...
Bug: skia:
Change-Id: Ia634f738b76e3f60b17798719f1b72db5cf213ad
Reviewed-on: https://skia-review.googlesource.com/102864
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2018-02-02 21:40:49 +00:00
Mike Reed
27738e043a
add new gm for cmoposeshader
...
Bug: skia:
Change-Id: I8f0925743ea3a7f5bb2af31d01da7d932827d256
Reviewed-on: https://skia-review.googlesource.com/103081
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2018-02-02 20:05:09 +00:00
Mike Reed
086a427b0c
guard references to SkColorTable
...
Bug: skia:6828
Change-Id: I0c8c78e70b118f51cb59dc45675e4ddcd4776108
Reviewed-on: https://skia-review.googlesource.com/24260
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
2017-07-18 15:50:43 +00:00
Florin Malita
ab244f045a
Revert "Revert "Reland: Remove SkLights include from SkCanvas.h""
...
This reverts commit 9d5f66d9c2
.
Reason for revert: Leon landed Android fixes.
Original change's description:
> Revert "Reland: Remove SkLights include from SkCanvas.h"
>
> This reverts commit fed00319c9
.
>
> Reason for revert: breaking the Android roll.
>
> Original change's description:
> > Reland: Remove SkLights include from SkCanvas.h
> >
> > SkLights.h pulls in a bunch of other headers and is not needed (fwdecl
> > works fine).
> >
> > Change-Id: I3ed97cd7861e51dcb7cfa7950a97b420dbc6fbfb
> > TBR=reed@google.com
> > Reviewed-on: https://skia-review.googlesource.com/15143
> > Commit-Queue: Florin Malita <fmalita@chromium.org>
> > Reviewed-by: Florin Malita <fmalita@chromium.org>
> >
>
> TBR=fmalita@chromium.org ,reed@google.com
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Change-Id: I3b0e69f1d04d160f16a5567b09982d35cc9ca84e
> Reviewed-on: https://skia-review.googlesource.com/15195
> Reviewed-by: Florin Malita <fmalita@chromium.org>
> Commit-Queue: Florin Malita <fmalita@chromium.org>
>
TBR=msarett@google.com ,reviews@skia.org,fmalita@chromium.org,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I0a1c2f9df61f16987ab72dfb4f3a205fbcc37667
Reviewed-on: https://skia-review.googlesource.com/15229
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2017-05-03 19:17:11 +00:00
Florin Malita
9d5f66d9c2
Revert "Reland: Remove SkLights include from SkCanvas.h"
...
This reverts commit fed00319c9
.
Reason for revert: breaking the Android roll.
Original change's description:
> Reland: Remove SkLights include from SkCanvas.h
>
> SkLights.h pulls in a bunch of other headers and is not needed (fwdecl
> works fine).
>
> Change-Id: I3ed97cd7861e51dcb7cfa7950a97b420dbc6fbfb
> TBR=reed@google.com
> Reviewed-on: https://skia-review.googlesource.com/15143
> Commit-Queue: Florin Malita <fmalita@chromium.org>
> Reviewed-by: Florin Malita <fmalita@chromium.org>
>
TBR=fmalita@chromium.org ,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I3b0e69f1d04d160f16a5567b09982d35cc9ca84e
Reviewed-on: https://skia-review.googlesource.com/15195
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2017-05-03 15:41:07 +00:00
Florin Malita
fed00319c9
Reland: Remove SkLights include from SkCanvas.h
...
SkLights.h pulls in a bunch of other headers and is not needed (fwdecl
works fine).
Change-Id: I3ed97cd7861e51dcb7cfa7950a97b420dbc6fbfb
TBR=reed@google.com
Reviewed-on: https://skia-review.googlesource.com/15143
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2017-05-03 13:22:28 +00:00
Florin Malita
38aad81a54
Revert "Remove SkLights include from SkCanvas.h"
...
This reverts commit 9ff301bf91
.
Reason for revert: need to update G3, Flutter.
Original change's description:
> Remove SkLights include from SkCanvas.h
>
> SkLights.h pulls in a bunch of other headers and is not needed (fwdecl
> works fine).
>
> Change-Id: Id2d7176eb3bf4609f72f46d513eebf59318f542f
> Reviewed-on: https://skia-review.googlesource.com/14904
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Florin Malita <fmalita@chromium.org>
>
TBR=mtklein@google.com ,fmalita@chromium.org,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I4799ad5b31aaeaf529c8b912bbe09aa8869a5e6c
Reviewed-on: https://skia-review.googlesource.com/15107
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2017-05-02 15:42:07 +00:00
Florin Malita
9ff301bf91
Remove SkLights include from SkCanvas.h
...
SkLights.h pulls in a bunch of other headers and is not needed (fwdecl
works fine).
Change-Id: Id2d7176eb3bf4609f72f46d513eebf59318f542f
Reviewed-on: https://skia-review.googlesource.com/14904
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2017-05-02 14:50:38 +00:00
Mike Reed
0acd7954a9
add helper makeShader for the common Clamp case
...
Bug: skia:
Change-Id: I22cac56f35fed16daede0cf1b3e34dfa6f5ae3ea
Reviewed-on: https://skia-review.googlesource.com/14625
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2017-04-28 15:36:14 +00:00
Mike Klein
33d2055e59
GM: some header cleanup
...
gm.h includes sk_tool_utils.h but does not use it.
The bulk of this CL makes each gm that uses sk_tool_utils include it.
sk_tool_utils.h also provided SkRandom and SkTDArray,
so a couple GMs add those headers too.
Change-Id: Ieb2a7c542f0ca89c3223f744fc11b0ff37af36c1
Reviewed-on: https://skia-review.googlesource.com/10014
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Herb Derby <herb@google.com>
2017-03-22 18:11:49 +00:00
Mike Reed
3661bc9976
hide trivial helpers on canvas
...
BUG=skia:
Change-Id: I42d4ca92897bde5bd8e0575a0104b12b83134cef
Reviewed-on: https://skia-review.googlesource.com/8852
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2017-02-22 19:41:04 +00:00
Mike Reed
0e39f97cd7
Revert "Revert "make it illegal to include SkXfermode.h""
...
This reverts commit e9d1b299cc
.
Reason for revert: <INSERT REASONING HERE>
Original change's description:
> Revert "make it illegal to include SkXfermode.h"
>
> This reverts commit 07764cefbb
.
>
> Reason for revert: breaking google3
>
> Original change's description:
> > make it illegal to include SkXfermode.h
> >
> > BUG=skia:
> >
> > GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=5133
> >
> > Change-Id: I6e8596dcb17cd7e8efa67859bb682bf9bfcac4db
> > Reviewed-on: https://skia-review.googlesource.com/5133
> > Reviewed-by: Mike Reed <reed@google.com>
> > Commit-Queue: Mike Reed <reed@google.com>
> >
>
> TBR=reed@google.com ,reviews@skia.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Change-Id: I136f9e533eb60633c49dffa19b5747d50b6d98a8
> Reviewed-on: https://skia-review.googlesource.com/5196
> Commit-Queue: Greg Daniel <egdaniel@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>
>
TBR=egdaniel@google.com ,reviews@skia.org,reed@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I0b767ce778a4ade83c2f07d5ece486bb46d7712c
Reviewed-on: https://skia-review.googlesource.com/5223
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>
2016-11-23 22:17:17 +00:00
Greg Daniel
e9d1b299cc
Revert "make it illegal to include SkXfermode.h"
...
This reverts commit 07764cefbb
.
Reason for revert: breaking google3
Original change's description:
> make it illegal to include SkXfermode.h
>
> BUG=skia:
>
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=5133
>
> Change-Id: I6e8596dcb17cd7e8efa67859bb682bf9bfcac4db
> Reviewed-on: https://skia-review.googlesource.com/5133
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Mike Reed <reed@google.com>
>
TBR=reed@google.com ,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I136f9e533eb60633c49dffa19b5747d50b6d98a8
Reviewed-on: https://skia-review.googlesource.com/5196
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
2016-11-23 16:47:49 +00:00
Mike Reed
07764cefbb
make it illegal to include SkXfermode.h
...
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=5133
Change-Id: I6e8596dcb17cd7e8efa67859bb682bf9bfcac4db
Reviewed-on: https://skia-review.googlesource.com/5133
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2016-11-23 15:35:45 +00:00
Mike Reed
7d954ad797
remove xfermode from public api
...
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4020
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
Change-Id: I19cd056f2af778f10e8c6c2b7b2735593b43dbac
Reviewed-on: https://skia-review.googlesource.com/4020
Reviewed-by: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>
2016-10-28 20:06:17 +00:00
mtklein
dbfd7ab108
Replace a lot of 'static const' with 'constexpr' or 'const'.
...
'static const' means, there must be at most one of these, and initialize it at
compile time if possible or runtime if necessary. This leads to unexpected
code execution, and TSAN* will complain about races on the guard variables.
Generally 'constexpr' or 'const' are better choices. Neither can cause races:
they're either intialized at compile time (constexpr) or intialized each time
independently (const).
This CL prefers constexpr where possible, and uses const where not. It even
prefers constexpr over const where they don't make a difference... I want to have
lots of examples of constexpr for people to see and mimic.
The scoped-to-class static has nothing to do with any of this, and is not changed.
* Not yet on the bots, which use an older TSAN.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2300623005
Review-Url: https://codereview.chromium.org/2300623005
2016-09-01 11:24:54 -07:00
caryclark
c2ad65e94d
add gm that exercises compose shader allocations
...
This gm triggers the assert in SkSmallAllocator.h
commented out by this CL.
PDFium constructs shaders that resemble the GM.
R=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2249703002
Review-Url: https://codereview.chromium.org/2249703002
2016-08-15 12:03:33 -07:00
reed
cfb6bdf767
switch xfermodes over to sk_sp
...
waiting on https://codereview.chromium.org/1835163002/
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1832223002
Review URL: https://codereview.chromium.org/1832223002
2016-03-29 11:32:50 -07:00
halcanary
9d524f22bf
Style bikeshed - remove extraneous whitespace
...
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1842753002
Review URL: https://codereview.chromium.org/1842753002
2016-03-29 09:03:53 -07:00
reed
2ad1aa67c6
partial switch over to sp usage of shaders
...
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1776973003
Review URL: https://codereview.chromium.org/1776973003
2016-03-09 09:50:50 -08:00
reed
8681e60b2c
make SkComposeShader.h private
...
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1697523003
Review URL: https://codereview.chromium.org/1697523003
2016-02-15 08:27:14 -08:00
herb
b10fe4941b
Remove work from constructors to facilitate debugging.
...
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1562093002
Review URL: https://codereview.chromium.org/1562093002
2016-01-08 13:48:43 -08:00
caryclark
6df611574a
handle halfway case in scan converter
...
Scan edges that start at exactly -0.5 aren't trimmed by
clipping or by rounding, triggering a debug assert.
One way to fix this is to round the top and left
down instead of up.
Also, move the path initialization of gm/composeshader.cpp
to make debugging other path problems easier.
R=reed@google.com
BUG=skia:2715
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1544873002
Review URL: https://codereview.chromium.org/1544873002
2016-01-04 14:17:47 -08:00
wangyix
d705958375
Will try composing a linear gradient with a color bitmap as well as an alpha8 bitmap to make sure the paint's color is being used/ignored in the right places.
...
BUG=skia:4182
Review URL: https://codereview.chromium.org/1311043008
2015-09-03 08:32:22 -07:00
halcanary
96fcdcc219
Style Change: NULL->nullptr
...
DOCS_PREVIEW= https://skia.org/?cl=1316233002
Review URL: https://codereview.chromium.org/1316233002
2015-08-27 07:41:16 -07:00
halcanary
385fe4d4b6
Style Change: SkNEW->new; SkDELETE->delete
...
DOCS_PREVIEW= https://skia.org/?cl=1316123003
Review URL: https://codereview.chromium.org/1316123003
2015-08-26 13:07:49 -07:00
mtklein
36352bf5e3
C++11 override should now be supported by all of {bots,Chrome,Android,Mozilla}
...
NOPRESUBMIT=true
BUG=skia:
DOCS_PREVIEW= https://skia.org/?cl=1037793002
Review URL: https://codereview.chromium.org/1037793002
2015-03-25 18:17:32 -07:00
mtklein
72c9faab45
Fix up all the easy virtual ... SK_OVERRIDE cases.
...
This fixes every case where virtual and SK_OVERRIDE were on the same line,
which should be the bulk of cases. We'll have to manually clean up the rest
over time unless I level up in regexes.
for f in (find . -type f); perl -p -i -e 's/virtual (.*)SK_OVERRIDE/\1SK_OVERRIDE/g' $f; end
BUG=skia:
Review URL: https://codereview.chromium.org/806653007
2015-01-09 10:06:40 -08:00
mtklein
7cdc1ee115
Add always-threaded SkRecord quilt tests.
...
Now that we're drawing tiles threaded like implside painting, remove the checks
that those lock counts are balanced. They're just not right for anyone anymore.
SkBitmaps themselves are not threadsafe (even const ones), so shallow copy them
on playback of an SkRecord. (The underlying SkPixelRefs are threadsafe.)
Simplify quilt drawing by using SkBitmap::extractSubset. No need for locking.
Bump up to 256x256 tiles. 16x16 tiles just murders performance (way too much
contention). This has the nice side effect of letting us enable a bunch more
GMs for quilt mode; they drew wrong with small tiles but exactly right with large.
BUG=171776
R=reed@google.com , mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/371023005
2014-07-07 10:41:04 -07:00
skia.committer@gmail.com
edda70e020
Sanitizing source files in Housekeeper-Nightly
...
git-svn-id: http://skia.googlecode.com/svn/trunk@14584 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-05-06 03:06:53 +00:00
reed@google.com
775bf661bb
suppress new composeshader gm for quilt testing
...
git-svn-id: http://skia.googlecode.com/svn/trunk@14579 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-05-05 19:37:22 +00:00
commit-bot@chromium.org
58e428729b
change composeshader_alpha to exercise srcover as well
...
BUG=skia:
R=scroggo@google.com
Author: reed@google.com
Review URL: https://codereview.chromium.org/263083011
git-svn-id: http://skia.googlecode.com/svn/trunk@14572 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-05-05 18:23:54 +00:00
commit-bot@chromium.org
ec7d673999
new gm for composeshader, exercising alpha
...
BUG=skia:
R=scroggo@google.com
Author: reed@google.com
Review URL: https://codereview.chromium.org/262193004
git-svn-id: http://skia.googlecode.com/svn/trunk@14567 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-05-05 16:19:08 +00:00
commit-bot@chromium.org
a90c680386
Turn on quilt mode in DM.
...
- Rename TileGrid -> Quilt to avoid the name overload.
- Tag all failing GMs with kSkipTiled_Flag.
You may be wondering, do any GMs pass? Yes, some do! And that trends towards all of them as we increase --quiltTile.
Two GMs only fail in --quilt mode in 565. Otherwise all GMs which fail are skipped, and those which don't fail aren't. (The 8888 variants of those two GMs are skipped even though they pass.)
BUG=skia:2477
R=reed@google.com , mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/256373002
git-svn-id: http://skia.googlecode.com/svn/trunk@14457 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-04-30 13:20:45 +00:00
commit-bot@chromium.org
5d0b150257
resize canvas for GM + typo
...
This change resized the canvas for some GM cases. It is better to show the visual difference in viewer.html for these cases after the CL applied.
BUG=skia:2375
R=reed@google.com , djsollen@google.com
Author: yunchao.he@intel.com
Review URL: https://codereview.chromium.org/221953002
git-svn-id: http://skia.googlecode.com/svn/trunk@14177 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-04-14 15:02:19 +00:00
skia.committer@gmail.com
e16efc1882
Sanitizing source files in Skia_Periodic_House_Keeping
...
git-svn-id: http://skia.googlecode.com/svn/trunk@7406 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-01-26 07:06:02 +00:00
scroggo
b3c0f4886e
Provide static global initializers for SkColorTable and SkComposeShader.
...
This makes some GMs which were broken on Android work. Reenable them on
Android.
Also fix a typo in gmmain.
Review URL: https://codereview.appspot.com/6344069
git-svn-id: http://skia.googlecode.com/svn/trunk@4426 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-07-02 19:07:57 +00:00
scroggo@google.com
d5429282d1
Disable pipe playback on android for composeshader GM.
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Review URL: https://codereview.appspot.com/6349058
git-svn-id: http://skia.googlecode.com/svn/trunk@4409 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-06-29 18:11:31 +00:00
scroggo@google.com
99853c743d
Allow composeshader GM to run PDF.
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Review URL: https://codereview.appspot.com/6373043
git-svn-id: http://skia.googlecode.com/svn/trunk@4408 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-06-29 17:45:49 +00:00
scroggo@google.com
32f20eb02c
Create a new GM to exercise ComposeShader.
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Code borrowed from samplecode/SampleShaders.cpp
Review URL: https://codereview.appspot.com/6371043
git-svn-id: http://skia.googlecode.com/svn/trunk@4407 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-06-29 17:28:50 +00:00