remove to_2dot2 and from_2dot2

The parametric_{r,g,b} stages are just as good now;
under the hood it's all going through approx_powf.

Change-Id: If7f3ae1e24fcee2ddb201c1d66ce1dd64820c89a
Reviewed-on: https://skia-review.googlesource.com/14320
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/src/core/SkColorSpaceXform.cpp b/src/core/SkColorSpaceXform.cpp
index 52a685194c..56eadfc791 100644
--- a/src/core/SkColorSpaceXform.cpp
+++ b/src/core/SkColorSpaceXform.cpp
@@ -1244,12 +1244,17 @@ bool SkColorSpaceXform_XYZ<kCSM>
     }
 
     TablesContext tables;
+    SkColorSpaceTransferFn to_2dot2 = {0,0,0,0,0,0,0};
+    to_2dot2.fG = 1/2.2f;
+    to_2dot2.fA = 1;
     switch (fDstGamma) {
         case kSRGB_DstGamma:
             pipeline.append(SkRasterPipeline::to_srgb);
             break;
         case k2Dot2_DstGamma:
-            pipeline.append(SkRasterPipeline::to_2dot2);
+            pipeline.append(SkRasterPipeline::parametric_r, &to_2dot2);
+            pipeline.append(SkRasterPipeline::parametric_g, &to_2dot2);
+            pipeline.append(SkRasterPipeline::parametric_b, &to_2dot2);
             break;
         case kTable_DstGamma:
             tables.fR = fDstGammaTables[0];