Remove GrContext from GrClipMaskCache

src/gpu/GrClipMaskManager.h

 /*
  * 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 GrClipMaskManager_DEFINED
 #define GrClipMaskManager_DEFINED
 
 #include "GrClipMaskCache.h"
-#include "GrContext.h"
 #include "GrPipelineBuilder.h"
 #include "GrReducedClip.h"
 #include "GrStencil.h"
 #include "GrTexture.h"
 #include "SkClipStack.h"
 #include "SkDeque.h"
 #include "SkPath.h"
 #include "SkRefCnt.h"
 #include "SkTLList.h"
 #include "SkTypes.h"
 
 class GrClipTarget;
 class GrPathRenderer;
 class GrPathRendererChain;
 class GrTexture;
 class SkPath;
 /**
  * The clip mask creator handles the generation of the clip mask. If anti
  * aliasing is requested it will (in the future) generate a single channel
  * (8bit) mask. If no anti aliasing is requested it will generate a 1-bit
  * mask in the stencil buffer. In the non anti-aliasing case, if the clip
  * mask can be represented as a rectangle then scissoring is used. In all
  * cases scissoring is used to bound the range of the clip mask.
  */
 class GrClipMaskManager : SkNoncopyable {
 public:
-    GrClipMaskManager()
-        : fCurrClipMaskType(kNone_ClipMaskType)
-        , fClipTarget(NULL)
-        , fClipMode(kIgnoreClip_StencilClipMode) {
-    }
+    GrClipMaskManager(GrClipTarget* owner);
 
     /**
      * Creates a clip mask if necessary as a stencil buffer or alpha texture
      * and sets the GrGpu's scissor and stencil state. If the return is false
      * then the draw can be skipped. The AutoRestoreEffects is initialized by
      * the manager when it must install additional effects to implement the
      * clip. devBounds is optional but can help optimize clipping.
      */
     bool setupClipping(GrPipelineBuilder*,
                        GrPipelineBuilder::AutoRestoreFragmentProcessors*,
                        GrPipelineBuilder::AutoRestoreStencil*,
                        GrScissorState*,
                        const SkRect* devBounds);
 
     /**
      * Purge resources to free up memory. TODO: This class shouldn't hold any long lived refs
      * which will allow Resourcecache to automatically purge anything this class has created.
      */
     void purgeResources();
 
     bool isClipInStencil() const {
         return kStencil_ClipMaskType == fCurrClipMaskType;
     }
 
     bool isClipInAlpha() const {
         return kAlpha_ClipMaskType == fCurrClipMaskType;
     }
 
-    GrContext* getContext() {
-        return fAACache.getContext();
-    }
-
     void setClipTarget(GrClipTarget*);
 
     void adjustPathStencilParams(const GrStencilAttachment*, GrStencilSettings*);
 
 private:
+    inline GrContext* getContext();
+
     /**
      * Informs the helper function adjustStencilParams() about how the stencil
      * buffer clip is being used.
      */
     enum StencilClipMode {
         // Draw to the clip bit of the stencil buffer
         kModifyClip_StencilClipMode,
         // Clip against the existing representation of the clip in the high bit
         // of the stencil buffer.
         kRespectClip_StencilClipMode,
@@ skipping 93 matching lines @@
      * texture. It may be neither because the scissor rect suffices or we
      * haven't yet examined the clip.
      */
     enum ClipMaskType {
         kNone_ClipMaskType,
         kStencil_ClipMaskType,
         kAlpha_ClipMaskType,
     } fCurrClipMaskType;
 
     GrClipMaskCache fAACache;       // cache for the AA path
-    GrClipTarget*   fClipTarget;
+    GrClipTarget*   fClipTarget;    // This is our owning clip target.
     StencilClipMode fClipMode;
 
     typedef SkNoncopyable INHERITED;
 };
 #endif // GrClipMaskManager_DEFINED