diff options
| author |  skcms-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com <skcms-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com> | 2018-04-23 17:37:32 +0000 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2018-04-23 18:00:30 +0000 |
| commit | e6a67f14875eebfd9edac689d947fe2666b5efad (patch) | |
| tree | a8df1ab61531b5d2013d10fd71e59d6eb84db50b /third_party/skcms | |
| parent | 670a290163a7de3766a7fab9c3b2dc21b3ee143e (diff) | |
Roll skia/third_party/skcms f1a2ba9..fe14a6a (1 commits)
https://skia.googlesource.com/skcms.git/+log/f1a2ba9..fe14a6a
2018-04-23 mtklein@chromium.org factor eval_13()/grad_13() for fewer multiplies
The AutoRoll server is located here: https://skcms-skia-roll.skia.org
Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md
If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.
TBR=stani@google.com
Change-Id: Iea841211295323429db5941df6fc1e2a5df35bec
Reviewed-on: https://skia-review.googlesource.com/123065
Reviewed-by: skcms-skia-autoroll <skcms-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skcms-skia-autoroll <skcms-skia-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Diffstat (limited to 'third_party/skcms')
| -rw-r--r-- | third_party/skcms/src/TF13.c | 8 | ||||
| -rwxr-xr-x | third_party/skcms/version.sha1 | 2 |
2 files changed, 4 insertions, 6 deletions
diff --git a/third_party/skcms/src/TF13.c b/third_party/skcms/src/TF13.c index de8e61a7d3..e045ecc85b 100644 --- a/third_party/skcms/src/TF13.c +++ b/third_party/skcms/src/TF13.c @@ -19,15 +19,13 @@ static float eval_13(float x, const void* ctx, const float P[4]) { (void)ctx; - return P[0]*x*x*x - + P[1]*x*x - + (1 - P[0] - P[1])*x; + return x*(x*(x*P[0] + P[1]) + (1 - P[0] - P[1])); } static void grad_13(float x, const void* ctx, const float P[4], float dfdP[4]) { (void)ctx; (void)P; - dfdP[0] = x*x*x - x; - dfdP[1] = x*x - x; + dfdP[0] = x*(x*x - 1); + dfdP[1] = x*(x - 1); } bool skcms_ApproximateCurve13(const skcms_Curve* curve, skcms_TF13* approx, float* max_error) { diff --git a/third_party/skcms/version.sha1 b/third_party/skcms/version.sha1 index 163409fa38..d09df616d5 100755 --- a/third_party/skcms/version.sha1 +++ b/third_party/skcms/version.sha1 @@ -1 +1 @@ -f1a2ba9622af9012fff682e7dbfdd5a78c09f35e
\ No newline at end of file +fe14a6aff9d05024284bbf576a93919c3cf8e9c4
\ No newline at end of file |