Implement stroking a path with nv_path_rendering

src/gpu/gl/GrGpuGL.h

Index: src/gpu/gl/GrGpuGL.h
diff --git a/src/gpu/gl/GrGpuGL.h b/src/gpu/gl/GrGpuGL.h
index ff6bd814d3b985e35906b0e4382bfea5c752f1ad..28a6a247e18c5b43a77a762aa9758a6e3c344bab 100644
--- a/src/gpu/gl/GrGpuGL.h
+++ b/src/gpu/gl/GrGpuGL.h
@@ -117,7 +117,7 @@ private:
                                                  bool dynamic) SK_OVERRIDE;
     virtual GrIndexBuffer* onCreateIndexBuffer(uint32_t size,
                                                bool dynamic) SK_OVERRIDE;
-    virtual GrPath* onCreatePath(const SkPath&) SK_OVERRIDE;
+    virtual GrPath* onCreatePath(const SkPath&, const SkStrokeRec& stroke) SK_OVERRIDE;
     virtual GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&) SK_OVERRIDE;
     virtual GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&) SK_OVERRIDE;
     virtual bool createStencilBufferForRenderTarget(GrRenderTarget* rt,
@@ -148,7 +148,7 @@ private:
     virtual void onGpuDraw(const DrawInfo&) SK_OVERRIDE;
 
     virtual void onGpuStencilPath(const GrPath*, SkPath::FillType) SK_OVERRIDE;
-    virtual void onGpuFillPath(const GrPath*, SkPath::FillType) SK_OVERRIDE;
+    virtual void onGpuDrawPath(const GrPath*, const SkStrokeRec& stroke, SkPath::FillType) SK_OVERRIDE;

[bsalomon, 2013/09/19 18:14:48]

Since the GrPath is now specific to the stroking, it seems redundant to pass it
here. Can GrPath just snap the SkStrokeRec when it's made?

[Kimmo Kinnunen, 2013/10/08 12:15:36]

Done.

 
     virtual void clearStencil() SK_OVERRIDE;
     virtual void clearStencilClip(const SkIRect& rect,