First portion of refactoring to bundle SW path rendering into GrPathRenderer

http://codereview.appspot.com/6125046/



git-svn-id: http://skia.googlecode.com/svn/trunk@3769 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrSoftwarePathRenderer.h b/src/gpu/GrSoftwarePathRenderer.h
new file mode 100644
index 0000000..859a53d
--- /dev/null
+++ b/src/gpu/GrSoftwarePathRenderer.h
@@ -0,0 +1,38 @@
+
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrSoftwarePathRenderer_DEFINED
+#define GrSoftwarePathRenderer_DEFINED
+
+#include "GrPathRenderer.h"
+
+class GrSoftwarePathRenderer : public GrPathRenderer {
+public:
+    GrSoftwarePathRenderer(GrContext* context) 
+        : fContext(context) {
+    }
+
+    virtual bool canDrawPath(const SkPath& path,
+                            GrPathFill fill,
+                            const GrDrawTarget* target,
+                            bool antiAlias) const SK_OVERRIDE;
+protected:
+    virtual bool onDrawPath(const SkPath& path,
+                            GrPathFill fill,
+                            const GrVec* translate,
+                            GrDrawTarget* target,
+                            GrDrawState::StageMask stageMask,
+                            bool antiAlias) SK_OVERRIDE;
+ 
+private:
+    GrContext*     fContext;
+
+    typedef GrPathRenderer INHERITED;
+};
+
+#endif