File: radial-gradients.patch

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diff --git a/gfx/skia/src/effects/SkGradientShader.cpp b/gfx/skia/src/effects/SkGradientShader.cpp
--- a/gfx/skia/src/effects/SkGradientShader.cpp
+++ b/gfx/skia/src/effects/SkGradientShader.cpp
@@ -1665,17 +1665,20 @@ public:
         }
         return kRadial2_GradientType;
     }
 
     virtual void shadeSpan(int x, int y, SkPMColor* SK_RESTRICT dstC, int count) SK_OVERRIDE {
         SkASSERT(count > 0);
 
         // Zero difference between radii:  fill with transparent black.
-        if (fDiffRadius == 0) {
+        // TODO: Is removing this actually correct? Two circles with the 
+        // same radius, but different centers doesn't sound like it
+        // should be cleared
+        if (fDiffRadius == 0 && fCenter1 == fCenter2) {
           sk_bzero(dstC, count * sizeof(*dstC));
           return;
         }
         SkMatrix::MapXYProc dstProc = fDstToIndexProc;
         TileProc            proc = fTileProc;
         const SkPMColor* SK_RESTRICT cache = this->getCache32();
 
         SkScalar foura = fA * 4;