Implement difference clip rects with window rectangles

src/gpu/GrPipeline.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 GrPipeline_DEFINED
 #define GrPipeline_DEFINED
 
 #include "GrColor.h"
 #include "GrFragmentProcessor.h"
 #include "GrGpu.h"
 #include "GrNonAtomicRef.h"
 #include "GrPendingProgramElement.h"
 #include "GrPrimitiveProcessor.h"
 #include "GrProcOptInfo.h"
 #include "GrProgramDesc.h"
 #include "GrStencilSettings.h"
 #include "GrTypesPriv.h"
+#include "GrWindowRectangles.h"
 #include "SkMatrix.h"
 #include "SkRefCnt.h"
 
 #include "effects/GrCoverageSetOpXP.h"
 #include "effects/GrDisableColorXP.h"
 #include "effects/GrPorterDuffXferProcessor.h"
 #include "effects/GrSimpleTextureEffect.h"
 
 class GrBatch;
 class GrDrawContext;
@@ skipping 21 matching lines @@
 public:
     ///////////////////////////////////////////////////////////////////////////
     /// @name Creation
 
     struct CreateArgs {
         const GrPipelineBuilder*    fPipelineBuilder;
         GrDrawContext*              fDrawContext;
         const GrCaps*               fCaps;
         GrPipelineOptimizations     fOpts;
         const GrScissorState*       fScissor;
+        const GrWindowRectangles*   fWindowRects;
         bool                        fHasStencilClip;
         GrXferProcessor::DstTexture fDstTexture;
     };
 
     /** Creates a pipeline into a pre-allocated buffer */
     static GrPipeline* CreateAt(void* memory, const CreateArgs&, GrXPOverridesForBatch*);
 
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
@@ skipping 73 matching lines @@
      * Retrieves the currently set render-target.
      *
      * @return    The currently set render target.
      */
     GrRenderTarget* getRenderTarget() const { return fRenderTarget.get(); }
 
     const GrStencilSettings& getStencil() const { return fStencilSettings; }
 
     const GrScissorState& getScissorState() const { return fScissorState; }
 
+    const GrWindowRectangles& getWindowRectangles() const { return fWindowRects; }
+
     bool isHWAntialiasState() const { return SkToBool(fFlags & kHWAA_Flag); }
     bool snapVerticesToPixelCenters() const { return SkToBool(fFlags & kSnapVertices_Flag); }
     bool getDisableOutputConversionToSRGB() const {
         return SkToBool(fFlags & kDisableOutputConversionToSRGB_Flag);
     }
     bool getAllowSRGBInputs() const {
         return SkToBool(fFlags & kAllowSRGBInputs_Flag);
     }
     bool usesDistanceVectorField() const {
         return SkToBool(fFlags & kUsesDistanceVectorField_Flag);
@@ skipping 47 matching lines @@
         kUsesDistanceVectorField_Flag       = 0x10,
         kHasStencilClip_Flag                = 0x20,
     };
 
     typedef GrPendingIOResource<GrRenderTarget, kWrite_GrIOType> RenderTarget;
     typedef GrPendingProgramElement<const GrFragmentProcessor> PendingFragmentProcessor;
     typedef SkAutoSTArray<8, PendingFragmentProcessor> FragmentProcessorArray;
     typedef GrPendingProgramElement<const GrXferProcessor> ProgramXferProcessor;
     RenderTarget                        fRenderTarget;
     GrScissorState                      fScissorState;
+    GrWindowRectangles                  fWindowRects;
     GrStencilSettings                   fStencilSettings;
     GrDrawFace                          fDrawFace;
     uint32_t                            fFlags;
     ProgramXferProcessor                fXferProcessor;
     FragmentProcessorArray              fFragmentProcessors;
     bool                                fIgnoresCoverage;
 
     // This value is also the index in fFragmentProcessors where coverage processors begin.
     int                                 fNumColorProcessors;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif