Roll skia/third_party/skcms 5cbdc0a..011b614 (1 commits)

https://skia.googlesource.com/skcms.git/+log/5cbdc0a..011b614

2018-04-24 mtklein@chromium.org gut TF13


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TBR=stani@google.com

Change-Id: I87e281fc5ac75f11acdcf7d4621d6635836b7a67
Reviewed-on: https://skia-review.googlesource.com/123393
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>

1 files changed, 0 insertions, 12 deletions

diff --git a/third_party/skcms/skcms.h b/third_party/skcms/skcms.h
index 9c25b1d538..54c9e8ebae 100644
--- a/third_party/skcms/skcms.h
+++ b/third_party/skcms/skcms.h
@@ -73,12 +73,6 @@ typedef struct skcms_A2B {
     skcms_Curve     output_curves[3];
 } skcms_A2B;
 
-// A specialized approximation for transfer functions with gamma between 1 and 3.
-//     f(x) = sign(x) * (A|x|^3 + B|x|^2 + (1-A-B)|x|)
-typedef struct skcms_TF13 {
-    float A,B;
-} skcms_TF13;
-
 typedef struct skcms_ICCProfile {
     const uint8_t* buffer;
 
@@ -103,10 +97,6 @@ typedef struct skcms_ICCProfile {
     // and has_A2B to true.
     bool                   has_A2B;
     skcms_A2B              A2B;
-
-    // If has_trc, we may be able to approximate the curves more efficiently.
-    bool   has_tf13[3];
-    skcms_TF13 tf13[3];
 } skcms_ICCProfile;
 
 // The sRGB color profile is so commonly used that we offer a canonical skcms_ICCProfile for it.
@@ -131,8 +121,6 @@ void skcms_OptimizeForSpeed(skcms_ICCProfile*);
 bool skcms_ApproximateCurve(const skcms_Curve* curve, skcms_TransferFunction* approx,
                             float* max_error);
 
-bool skcms_ApproximateCurve13(const skcms_Curve* curve, skcms_TF13* approx, float* max_error);
-
 // What is the best single transfer function to use for the given profile? Note that there is
 // no real upper bound on the error of this transfer function.
 skcms_TransferFunction skcms_BestSingleCurve(const skcms_ICCProfile*);