Implement path cover with nv_path_rendering

src/gpu/GrDrawState.h

Index: src/gpu/GrDrawState.h
diff --git a/src/gpu/GrDrawState.h b/src/gpu/GrDrawState.h
index bfc15b01cd0c022d3b279d83c8705b1a82882096..2afb2a19f20d8801f28100d78ec29cee0eb9a6e6 100644
--- a/src/gpu/GrDrawState.h
+++ b/src/gpu/GrDrawState.h
@@ -721,6 +721,12 @@ public:
 
     GrStencilSettings* stencil() { return &fCommon.fStencilSettings; }
 
+    void setStencilPathSettings(const GrStencilSettings& settings) {
+        fCommon.fPathStencilSettings = settings;
+    }
+
+    const GrStencilSettings& getStencilPathSettings() const { return fCommon.fPathStencilSettings; }
+
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
@@ -931,6 +937,7 @@ private:
         const GrVertexAttrib* fVAPtr;
         int                   fVACount;
         GrStencilSettings     fStencilSettings;
+        GrStencilSettings     fPathStencilSettings;

[bsalomon, 2013/09/13 20:25:28]

Is this necessary? I'm wondering if we could have something lighter weight like
the a fill type.

[Kimmo Kinnunen, 2013/09/18 07:52:38]

Done.

         GrColor               fCoverage;
         SkXfermode::Mode      fColorFilterMode;
         GrColor               fColorFilterColor;
@@ -950,6 +957,7 @@ private:
                           fVACount == other.fVACount &&
                           !memcmp(fVAPtr, other.fVAPtr, fVACount * sizeof(GrVertexAttrib)) &&
                           fStencilSettings == other.fStencilSettings &&
+                          fPathStencilSettings == other.fPathStencilSettings &&
                           fCoverage == other.fCoverage &&
                           fColorFilterMode == other.fColorFilterMode &&
                           fColorFilterColor == other.fColorFilterColor &&