Do color correction of vertex colors in GPU drawVertices

SkColor vertex colors need to be linearized (from sRGB),
and possibly converted from sRGB gamut to destination gamut.

Bug: skia:6659
Change-Id: I2b1b1dd0fa5938519693f56a728fed5957f13fd5
Reviewed-on: https://skia-review.googlesource.com/17534
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 15 insertions, 2 deletions

diff --git a/src/gpu/GrDefaultGeoProcFactory.h b/src/gpu/GrDefaultGeoProcFactory.h
index 00ee90d940..6a3c0b75b8 100644
--- a/src/gpu/GrDefaultGeoProcFactory.h
+++ b/src/gpu/GrDefaultGeoProcFactory.h
@@ -66,13 +66,26 @@ namespace GrDefaultGeoProcFactory {
             kPremulGrColorAttribute_Type,
             kUnpremulSkColorAttribute_Type,
         };
-        explicit Color(GrColor color) : fType(kPremulGrColorUniform_Type), fColor(color) {}
-        Color(Type type) : fType(type), fColor(GrColor_ILLEGAL) {
+        explicit Color(GrColor color)
+                : fType(kPremulGrColorUniform_Type)
+                , fColor(color)
+                , fLinearize(false)
+                , fColorSpaceXform(nullptr) {}
+        Color(Type type)
+                : fType(type)
+                , fColor(GrColor_ILLEGAL)
+                , fLinearize(false)
+                , fColorSpaceXform(nullptr) {
             SkASSERT(type != kPremulGrColorUniform_Type);
         }
 
         Type fType;
         GrColor fColor;
+
+        // These options only apply to SkColor. Any GrColors are assumed to have been color managed
+        // during paint conversion.
+        bool fLinearize;
+        sk_sp<GrColorSpaceXform> fColorSpaceXform;
     };
 
     struct Coverage {