Move most of the transform logic into the primitive processors

src/gpu/gl/GrGLCaps.h

Index: src/gpu/gl/GrGLCaps.h
diff --git a/src/gpu/gl/GrGLCaps.h b/src/gpu/gl/GrGLCaps.h
index 0018263b02e855b92cf51b599ee4141870c43f54..8d34078220c4aab4265f269aff660dd45525572f 100644
--- a/src/gpu/gl/GrGLCaps.h
+++ b/src/gpu/gl/GrGLCaps.h
@@ -284,6 +284,18 @@ public:
 
     LATCAlias latcAlias() const { return fLATCAlias; }
 
+    /**
+     * Which type of path rendering is supported, if any
+     * TODO delete this when we only support normal non-legacy nvpr
+     */
+    enum NvprSupport {
+        kNone_NvprSupport,
+        kLegacy_NvprSupport,
+        kNormal_NvprSupport,
+    };
+
+    NvprSupport nvprSupport() const { return fNvprSupport; }
+
 private:
     /**
      * Maintains a bit per GrPixelConfig. It is used to avoid redundantly
@@ -352,6 +364,7 @@ private:
     InvalidateFBType    fInvalidateFBType;
     MapBufferType       fMapBufferType;
     LATCAlias           fLATCAlias;
+    NvprSupport         fNvprSupport;
 
     bool fRGBA8RenderbufferSupport : 1;
     bool fBGRAIsInternalFormat : 1;