TEMPORARY: track stencil clip state in GrRenderTargetOpList

src/gpu/GrStencilAttachment.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrStencilAttachment_DEFINED
 #define GrStencilAttachment_DEFINED
@@ skipping 10 matching lines @@
 
     virtual ~GrStencilAttachment() {
         // TODO: allow SB to be purged and detach itself from rts
     }
 
     int width() const { return fWidth; }
     int height() const { return fHeight; }
     int bits() const { return fBits; }
     int numSamples() const { return fSampleCnt; }
 
-    // called to note the last clip drawn to this buffer.
-    void setLastClip(int32_t clipStackGenID,
-                     const SkIRect& clipSpaceRect,
-                     const SkIPoint clipOrigin) {
-        fLastClipStackGenID = clipStackGenID;
-        fLastClipStackRect = clipSpaceRect;
-        fLastClipOrigin = clipOrigin;
-    }
-
-    // called to determine if we have to render the clip into SB.
-    bool mustRenderClip(int32_t clipStackGenID,
-                        const SkIRect& clipSpaceRect,
-                        const SkIPoint& clipOrigin) const {
-        return fLastClipStackGenID != clipStackGenID ||
-               fLastClipOrigin != clipOrigin ||
-               !fLastClipStackRect.contains(clipSpaceRect);
-    }
-
     // We create a unique stencil buffer at each width, height and sampleCnt and share it for
     // all render targets that require a stencil with those params.
     static void ComputeSharedStencilAttachmentKey(int width, int height, int sampleCnt,
                                                   GrUniqueKey* key);
 
 protected:
     GrStencilAttachment(GrGpu* gpu, int width, int height, int bits, int sampleCnt)
         : GrGpuResource(gpu)
         , fWidth(width)
         , fHeight(height)
         , fBits(bits)
-        , fSampleCnt(sampleCnt)
-        , fLastClipStackGenID(SkClipStack::kInvalidGenID) {
-        fLastClipStackRect.setEmpty();
+        , fSampleCnt(sampleCnt) {
     }
 
 private:
 
     int fWidth;
     int fHeight;
     int fBits;
     int fSampleCnt;
 
-    int32_t     fLastClipStackGenID;
-    SkIRect     fLastClipStackRect;
-    SkIPoint    fLastClipOrigin;
-
     typedef GrGpuResource INHERITED;
 };
 
 #endif