update SkColor4f::FromColor() to preserve transfer function

This kills off some sRGB tables,
and lots of call sites can now use SkColor4f::FromColor().

It doesn't seem important to keep this test.

Change-Id: Ia79ec8ace45e80bbc7a1e33f560f59289e61b2fb
Reviewed-on: https://skia-review.googlesource.com/141046
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Brian Osman <brianosman@google.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/src/core/SkDraw_vertices.cpp b/src/core/SkDraw_vertices.cpp
index 4d1ccea496..f9d48a79da 100644
--- a/src/core/SkDraw_vertices.cpp
+++ b/src/core/SkDraw_vertices.cpp
@@ -141,9 +141,7 @@ static SkPM4f* convert_colors(const SkColor src[], int count, SkColorSpace* devi
     SkPM4f* dst = alloc->makeArray<SkPM4f>(count);
     if (!deviceCS) {
         for (int i = 0; i < count; ++i) {
-            SkColor4f color4f;
-            swizzle_rb(Sk4f_fromL32(src[i])).store(&color4f);
-            dst[i] = color4f.premul();
+            dst[i] = SkColor4f::FromColor(src[i]).premul();
         }
     } else {
         auto srcCS = SkColorSpace::MakeSRGB();