Fix storage of gamut transform matrices in SkColorSpace

gm/gamut.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkSurface.h"
@@ skipping 88 matching lines @@
         return "Vertices";
     }
 protected:
     SkColor fColors[4];
 };
 
 static void draw_gamut_grid(SkCanvas* canvas, SkTArray<SkAutoTDelete<CellRenderer>>& renderers) {
     // We want our colors in our wide gamut to be obviously visibly distorted from sRGB, so we use
     // Wide Gamut RGB (with sRGB gamma, for HW acceleration) as the working space for this test:
     const float gWideGamutRGB_toXYZD50[]{
-        0.7161046f, 0.2581874f, 0.0000000f,  // * R
-        0.1009296f, 0.7249378f, 0.0517813f,  // * G
-        0.1471858f, 0.0168748f, 0.7734287f,  // * B
+        0.7161046f, 0.1009296f, 0.1471858f,  // -> X
+        0.2581874f, 0.7249378f, 0.0168748f,  // -> Y
+        0.0000000f, 0.0517813f, 0.7734287f,  // -> Z
     };
 
     SkMatrix44 wideGamutRGB_toXYZD50(SkMatrix44::kUninitialized_Constructor);
     wideGamutRGB_toXYZD50.set3x3RowMajorf(gWideGamutRGB_toXYZD50);
 
     // Use the original canvas' color type, but account for gamma requirements
     SkImageInfo origInfo = canvas->imageInfo();
     auto srgbCS = SkColorSpace::NewNamed(SkColorSpace::kSRGB_Named);
     auto wideCS = SkColorSpace::NewRGB(SkColorSpace::kSRGB_RenderTargetGamma,
                                        wideGamutRGB_toXYZD50);
@@ skipping 79 matching lines @@
     renderers.push_back(new GradientCellRenderer(SK_ColorRED, SK_ColorGREEN));
     renderers.push_back(new GradientCellRenderer(SK_ColorGREEN, SK_ColorBLACK));
     renderers.push_back(new GradientCellRenderer(SK_ColorGREEN, SK_ColorWHITE));
 
     // Vertex colors
     renderers.push_back(new VerticesCellRenderer(SK_ColorRED, SK_ColorRED));
     renderers.push_back(new VerticesCellRenderer(SK_ColorRED, SK_ColorGREEN));
 
     draw_gamut_grid(canvas, renderers);
 }