New API for computing optimization invariants.

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 "GrProgramDesc.h"
 #include "GrStencil.h"
 #include "GrTypesPriv.h"
 #include "SkMatrix.h"
 #include "SkRefCnt.h"
 
 class GrBatch;
 class GrDeviceCoordTexture;
 class GrPipelineBuilder;
 
+struct GrBatchToXPOverrides {
+    bool fUsePLSDstRead;
+};
+
+struct GrPipelineOptimizations {
+    GrProcOptInfo fColorPOI;
+    GrProcOptInfo fCoveragePOI;
+    GrBatchToXPOverrides fOverrides;
+};
+
 /**
  * Class that holds an optimized version of a GrPipelineBuilder. It is meant to be an immutable
  * class, and contains all data needed to set the state for a gpu draw.
  */
 class GrPipeline : public GrNonAtomicRef {
 public:
     ///////////////////////////////////////////////////////////////////////////
     /// @name Creation
 
     struct CreateArgs {
         const GrPipelineBuilder*    fPipelineBuilder;
         const GrCaps*               fCaps;
-        GrProcOptInfo               fColorPOI;
-        GrProcOptInfo               fCoveragePOI;
+        GrPipelineOptimizations     fOpts;
         const GrScissorState*       fScissor;
         GrXferProcessor::DstTexture fDstTexture;
     };
 
     /** Creates a pipeline into a pre-allocated buffer */
-    static GrPipeline* CreateAt(void* memory, const CreateArgs&, GrPipelineOptimizations*);
+    static GrPipeline* CreateAt(void* memory, const CreateArgs&, GrXPOverridesForBatch*);
 
     /// @}
 
     ///////////////////////////////////////////////////////////////////////////
     /// @name Comparisons
 
     /**
      * Returns true if these pipelines are equivalent.  Coord transforms may be applied either on
      * the GPU or the CPU. When we apply them on the CPU then the matrices need not agree in order
      * to combine draws. Therefore we take a param that indicates whether coord transforms should be
@@ skipping 124 matching lines @@
     FragmentProcessorArray              fFragmentProcessors;
     bool                                fReadsFragPosition;
 
     // This value is also the index in fFragmentProcessors where coverage processors begin.
     int                                 fNumColorProcessors;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif