APIs which took colorPOI / coveragePOI pairs updated to take a GrPipelineOptimizations struct

include/gpu/GrXferProcessor.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrXferProcessor_DEFINED
 #define GrXferProcessor_DEFINED
 
 #include "GrBlend.h"
 #include "GrColor.h"
 #include "GrProcessor.h"
 #include "GrTexture.h"
 #include "GrTypes.h"
 #include "SkXfermode.h"
 
 class GrShaderCaps;
 class GrGLSLCaps;
 class GrGLSLXferProcessor;
 class GrProcOptInfo;
+struct GrPipelineOptimizations;
 
 /**
  * Barriers for blending. When a shader reads the dst directly, an Xfer barrier is sometimes
  * required after a pixel has been written, before it can be safely read again.
  */
 enum GrXferBarrierType {
     kNone_GrXferBarrierType = 0, //<! No barrier is required
     kTexture_GrXferBarrierType,  //<! Required when a shader reads and renders to the same texture.
     kBlend_GrXferBarrierType,    //<! Required by certain blend extensions.
 };
@@ skipping 102 matching lines @@
 
     /**
      * Determines which optimizations (as described by the ptFlags above) can be performed by
      * the draw with this xfer processor. If this function is called, the xfer processor may change
      * its state to reflected the given blend optimizations. If the XP needs to see a specific input
      * color to blend correctly, it will set the OverrideColor flag and the output parameter
      * overrideColor will be the required value that should be passed into the XP. 
      * A caller who calls this function on a XP is required to honor the returned OptFlags
      * and color values for its draw.
      */
-    OptFlags getOptimizations(const GrProcOptInfo& colorPOI,
-                              const GrProcOptInfo& coveragePOI,
+    OptFlags getOptimizations(const GrPipelineOptimizations& optimizations,
                               bool doesStencilWrite,
                               GrColor* overrideColor,
                               const GrCaps& caps);
 
     /**
      * Returns whether this XP will require an Xfer barrier on the given rt. If true, outBarrierType
      * is updated to contain the type of barrier needed.
      */
     GrXferBarrierType xferBarrierType(const GrRenderTarget* rt, const GrCaps& caps) const;
 
@@ skipping 83 matching lines @@
         return this->onIsEqual(that);
     }
    
 protected:
     GrXferProcessor();
     GrXferProcessor(const DstTexture*, bool willReadDstColor, bool hasMixedSamples);
 
 private:
     void notifyRefCntIsZero() const final {}
 
-    virtual OptFlags onGetOptimizations(const GrProcOptInfo& colorPOI,
-                                        const GrProcOptInfo& coveragePOI,
+    virtual OptFlags onGetOptimizations(const GrPipelineOptimizations& optimizations,
                                         bool doesStencilWrite,
                                         GrColor* overrideColor,
                                         const GrCaps& caps) = 0;
 
     /**
      * Sets a unique key on the GrProcessorKeyBuilder that is directly associated with this xfer
      * processor's GL backend implementation.
      */
     virtual void onGetGLSLProcessorKey(const GrGLSLCaps& caps,
                                        GrProcessorKeyBuilder* b) const = 0;
@@ skipping 43 matching lines @@
  * draw information to create a GrXferProcessor (XP) which can implement the desired blending for
  * the draw.
  *
  * Before the XP is created, the XPF is able to answer queries about what functionality the XPs it
  * creates will have. For example, can it create an XP that supports RGB coverage or will the XP
  * blend with the destination color.
  */
 class GrXPFactory : public SkRefCnt {
 public:
     typedef GrXferProcessor::DstTexture DstTexture;
-    GrXferProcessor* createXferProcessor(const GrProcOptInfo& colorPOI,
-                                         const GrProcOptInfo& coveragePOI,
+    GrXferProcessor* createXferProcessor(const GrPipelineOptimizations& optimizations,
                                          bool hasMixedSamples,
                                          const DstTexture*,
                                          const GrCaps& caps) const;
     /**
      * Known color information after blending, but before accounting for any coverage.
      */
     struct InvariantBlendedColor {
         bool                     fWillBlendWithDst;
         GrColor                  fKnownColor;
         GrColorComponentFlags    fKnownColorFlags;
     };
 
     /** 
      * Returns information about the output color, produced by XPs from this factory, that will be
      * known after blending. Note that we can conflate coverage and color, so the actual values
      * written to pixels with partial coverage may not always seem consistent with the invariant
      * information returned by this function.
      */
     virtual void getInvariantBlendedColor(const GrProcOptInfo& colorPOI,
                                           InvariantBlendedColor*) const = 0;
 
-    bool willNeedDstTexture(const GrCaps& caps, const GrProcOptInfo& colorPOI,
-                            const GrProcOptInfo& coveragePOI, bool hasMixedSamples) const;
+    bool willNeedDstTexture(const GrCaps& caps, const GrPipelineOptimizations& optimizations, 
+                            bool hasMixedSamples) const;
 
     bool isEqual(const GrXPFactory& that) const {
         if (this->classID() != that.classID()) {
             return false;
         }
         return this->onIsEqual(that);
     }
 
     /**
       * Helper for down-casting to a GrXPFactory subclass
       */
     template <typename T> const T& cast() const { return *static_cast<const T*>(this); }
 
     uint32_t classID() const { SkASSERT(kIllegalXPFClassID != fClassID); return fClassID; }
 
 protected:
     GrXPFactory() : fClassID(kIllegalXPFClassID) {}
 
     template <typename XPF_SUBCLASS> void initClassID() {
          static uint32_t kClassID = GenClassID();
          fClassID = kClassID;
     }
 
     uint32_t fClassID;
 
 private:
     virtual GrXferProcessor* onCreateXferProcessor(const GrCaps& caps,
-                                                   const GrProcOptInfo& colorPOI,
-                                                   const GrProcOptInfo& coveragePOI,
+                                                   const GrPipelineOptimizations& optimizations,
                                                    bool hasMixedSamples,
                                                    const DstTexture*) const = 0;
     /**
      *  Returns true if the XP generated by this factory will explicitly read dst in the fragment
      *  shader.
      */
     virtual bool willReadDstColor(const GrCaps& caps,
-                                  const GrProcOptInfo& colorPOI,
-                                  const GrProcOptInfo& coveragePOI,
+                                  const GrPipelineOptimizations& optimizations,
                                   bool hasMixedSamples) const = 0;
 
     virtual bool onIsEqual(const GrXPFactory&) const = 0;
 
     static uint32_t GenClassID() {
         // fCurrXPFactoryID has been initialized to kIllegalXPFactoryID. The
         // atomic inc returns the old value not the incremented value. So we add
         // 1 to the returned value.
         uint32_t id = static_cast<uint32_t>(sk_atomic_inc(&gCurrXPFClassID)) + 1;
         if (!id) {
             SkFAIL("This should never wrap as it should only be called once for each GrXPFactory "
                    "subclass.");
         }
         return id;
     }
 
     enum {
         kIllegalXPFClassID = 0,
     };
     static int32_t gCurrXPFClassID;
 
     typedef GrProgramElement INHERITED;
 };
 
 #endif