Move clip off of draw target

include/gpu/GrClipData.h

-/*
- * Copyright 2010 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrClip_DEFINED
-#define GrClip_DEFINED
-
-#include "SkClipStack.h"
-#include "GrSurface.h"
-
-struct SkIRect;
-
-/**
- * GrClipData encapsulates the information required to construct the clip
- * masks. 'fOrigin' is only non-zero when saveLayer has been called
- * with an offset bounding box. The clips in 'fClipStack' are in
- * device coordinates (i.e., they have been translated by -fOrigin w.r.t.
- * the canvas' device coordinates).
- */
-class GrClipData : SkNoncopyable {
-public:
-    SkAutoTUnref<const SkClipStack>  fClipStack;
-    SkIPoint                         fOrigin;
-
-    GrClipData()
-        : fClipStack(NULL) {
-        fOrigin.setZero();
-    }
-
-    bool operator==(const GrClipData& other) const {
-        if (fOrigin != other.fOrigin) {
-            return false;
-        }
-
-        if (fClipStack && other.fClipStack) {
-            return *fClipStack == *other.fClipStack;
-        }
-
-        return fClipStack == other.fClipStack;
-    }
-
-    bool operator!=(const GrClipData& other) const {
-        return !(*this == other);
-    }
-
-    void getConservativeBounds(const GrSurface* surface,
-                               SkIRect* devResult,
-                               bool* isIntersectionOfRects = NULL) const {
-        this->getConservativeBounds(surface->width(), surface->height(),
-                                    devResult, isIntersectionOfRects);
-    }
-
-    void getConservativeBounds(int width, int height,
-                               SkIRect* devResult,
-                               bool* isIntersectionOfRects = NULL) const;
-};
-
-#endif