Parallel cache - preliminary

src/core/SkDraw.cpp

Index: src/core/SkDraw.cpp
diff --git a/src/core/SkDraw.cpp b/src/core/SkDraw.cpp
index d8d6fcf57fe123b7926eae12b668114c600e94dc..e4cf55a0ba43b57daea9a93f5a7242bf916b610e 100644
--- a/src/core/SkDraw.cpp
+++ b/src/core/SkDraw.cpp
@@ -1477,14 +1477,12 @@ static void D1G_RectClip(const SkDraw1Glyph& state, Sk48Dot16 fx, Sk48Dot16 fy,
         bounds = &storage;
     }
 
-    uint8_t* aa = (uint8_t*)glyph.fImage;
+    uint8_t*aa = (uint8_t*)state.fCache->findImage(glyph);
     if (nullptr == aa) {
-        aa = (uint8_t*)state.fCache->findImage(glyph);
-        if (nullptr == aa) {
-            return; // can't rasterize glyph
-        }
+        return; // can't rasterize glyph
     }
 
+
     mask.fRowBytes = glyph.rowBytes();
     mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat);
     mask.fImage = aa;