Gamma-correctness pushed into Skia, top-down.

src/gpu/text/GrStencilAndCoverTextContext.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrStencilAndCoverTextContext.h"
 #include "GrAtlasTextContext.h"
 #include "GrDrawContext.h"
@@ skipping 147 matching lines @@
 
         if (drawFilter && !drawFilter->filter(&runPaint, SkDrawFilter::kText_Type)) {
             // A false return from filter() means we should abort the current draw.
             runPaint = skPaint;
             continue;
         }
 
         runPaint.setFlags(GrTextUtils::FilterTextFlags(props, runPaint));
 
         GrPaint grPaint;
-        if (!SkPaintToGrPaint(context, runPaint, viewMatrix, &grPaint)) {
+        if (!SkPaintToGrPaint(context, runPaint, viewMatrix, dc->allowSRGBInputs(), &grPaint)) {
             return;
         }
 
         switch (it.positioning()) {
             case SkTextBlob::kDefault_Positioning:
                 this->drawText(context, dc, clip, grPaint, runPaint, viewMatrix, props,
                                (const char *)it.glyphs(),
                                textLen, x + offset.x(), y + offset.y(), clipBounds);
                 break;
             case SkTextBlob::kHorizontal_Positioning:
@@ skipping 34 matching lines @@
     }
 
     if (drawFilter || skPaint.getPathEffect()) {
         // This draw can't be cached.
         this->uncachedDrawTextBlob(context, dc, clip, skPaint, viewMatrix, props, skBlob, x, y,
                                    drawFilter, clipBounds);
         return;
     }
 
     GrPaint paint;
-    if (!SkPaintToGrPaint(context, skPaint, viewMatrix, &paint)) {
+    if (!SkPaintToGrPaint(context, skPaint, viewMatrix, dc->allowSRGBInputs(), &paint)) {
         return;
     }
 
     const TextBlob& blob = this->findOrCreateTextBlob(skBlob, skPaint);
     GrPipelineBuilder pipelineBuilder(paint, dc->accessRenderTarget(), clip);
 
     TextBlob::Iter iter(blob);
     for (TextRun* run = iter.get(); run; run = iter.next()) {
         run->draw(context, dc, &pipelineBuilder, paint.getColor(), viewMatrix, props,  x, y,
                   clipBounds, fFallbackTextContext, skPaint);
@@ skipping 465 matching lines @@
 }
 
 const SkTextBlob* GrStencilAndCoverTextContext::FallbackBlobBuilder::buildIfNeeded(int *count) {
     *count = fCount;
     if (fCount) {
         this->flush();
         return fBuilder->build();
     }
     return nullptr;
 }