Begin weaning GrClipMaskManager off of GrDrawTarget (take 2)

include/gpu/GrDrawContext.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawContext_DEFINED
 #define GrDrawContext_DEFINED
 
 #include "GrColor.h"
 #include "GrRenderTarget.h"
 #include "SkRefCnt.h"
+#include "SkRegion.h"
 #include "SkSurfaceProps.h"
 #include "../private/GrSingleOwner.h"
 
 class GrAtlasTextContext;
 class GrAuditTrail;
 class GrClip;
 class GrContext;
 class GrDrawBatch;
+class GrDrawContextPriv;
 class GrDrawPathBatchBase;
 class GrDrawingManager;
 class GrDrawTarget;
 class GrPaint;
 class GrPathProcessor;
 class GrPipelineBuilder;
 class GrRenderTarget;
 class GrStrokeInfo;
 class GrSurface;
 class SkDrawFilter;
@@ skipping 238 matching lines @@
      * TODO: Figure out a better model that allows us to roll this method into drawBatch.
      */
     void drawPathBatch(const GrPipelineBuilder&, GrDrawPathBatchBase*);
 
     int width() const { return fRenderTarget->width(); }
     int height() const { return fRenderTarget->height(); }
     int numColorSamples() const { return fRenderTarget->numColorSamples(); }
 
     GrRenderTarget* accessRenderTarget() { return fRenderTarget; }
 
-    ///////////////////////////////////////////////////////////////////////////////////////////////
-    // Functions intended for internal use only.
-    void internal_drawBatch(const GrPipelineBuilder& pipelineBuilder, GrDrawBatch* batch);
+    // Provides access to functions that aren't part of the public API.
+    GrDrawContextPriv drawContextPriv();
+    const GrDrawContextPriv drawContextPriv() const;
 
 protected:
     GrDrawContext(GrContext*, GrDrawingManager*, GrRenderTarget*,
                   const SkSurfaceProps* surfaceProps, GrAuditTrail*, GrSingleOwner*);
 
     GrDrawingManager* drawingManager() { return fDrawingManager; }
     GrAuditTrail* auditTrail() { return fAuditTrail; }
     const SkSurfaceProps& surfaceProps() const { return fSurfaceProps; }
     
     SkDEBUGCODE(GrSingleOwner* singleOwner() { return fSingleOwner; })
     SkDEBUGCODE(void validate() const;)
 
 private:
     friend class GrAtlasTextBlob; // for access to drawBatch
     friend class GrDrawingManager; // for ctor
+    friend class GrDrawContextPriv;
 
     bool drawFilledDRRect(const GrClip& clip,
                           const GrPaint& paint,
                           const SkMatrix& viewMatrix,
                           const SkRRect& origOuter,
                           const SkRRect& origInner);
 
+    GrDrawBatch* getFillRectBatch(const GrPaint& paint,
+                                  const SkMatrix& viewMatrix,
+                                  const SkRect& rect);
+
     void internalDrawPath(const GrClip& clip,
                           const GrPaint& paint,
                           const SkMatrix& viewMatrix,
                           const SkPath& path,
                           const GrStrokeInfo& strokeInfo);
 
     // This entry point allows the GrTextContext-derived classes to add their batches to
     // the drawTarget.
     void drawBatch(GrPipelineBuilder* pipelineBuilder, GrDrawBatch* batch);
 
     GrDrawTarget* getDrawTarget();
 
     GrDrawingManager*                 fDrawingManager;
     GrRenderTarget*                   fRenderTarget;
 
     // In MDB-mode the drawTarget can be closed by some other drawContext that has picked
     // it up. For this reason, the drawTarget should only ever be accessed via 'getDrawTarget'.
     GrDrawTarget*                     fDrawTarget;
     SkAutoTDelete<GrAtlasTextContext> fAtlasTextContext;
     GrContext*                        fContext;
 
     SkSurfaceProps                    fSurfaceProps;
     GrAuditTrail*                     fAuditTrail;
 
     // In debug builds we guard against improper thread handling
     SkDEBUGCODE(mutable GrSingleOwner* fSingleOwner;)
 };
 
 #endif