New API for computing optimization invariants.

src/gpu/GrPipelineBuilder.h

Index: src/gpu/GrPipelineBuilder.h
diff --git a/src/gpu/GrPipelineBuilder.h b/src/gpu/GrPipelineBuilder.h
index 010685b3e2a85dce11a8082aa741810da0a37319..fea9c406f5740156c4d4c4d23a23f4fb630878f4 100644
--- a/src/gpu/GrPipelineBuilder.h
+++ b/src/gpu/GrPipelineBuilder.h
@@ -363,15 +363,7 @@ public:
 
     ///////////////////////////////////////////////////////////////////////////
 
-    const GrProcOptInfo& colorProcInfo(const GrDrawBatch* batch) const {
-        this->calcColorInvariantOutput(batch);
-        return fColorProcInfo;
-    }
-
-    const GrProcOptInfo& coverageProcInfo(const GrDrawBatch* batch) const {
-        this->calcCoverageInvariantOutput(batch);
-        return fCoverageProcInfo;
-    }
+    bool usePLSDstRead(const GrDrawBatch* batch) const;
 
     void setClip(const GrClip& clip) { fClip = clip; }
     const GrClip& clip() const { return fClip; }
@@ -387,8 +379,8 @@ private:
     /**
      * GrBatch provides the initial seed for these loops based off of its initial geometry data
      */
-    void calcColorInvariantOutput(const GrDrawBatch*) const;
-    void calcCoverageInvariantOutput(const GrDrawBatch*) const;
+    void computeBatchToXPOverrides(GrInitInvariantOutput* color, GrInitInvariantOutput* coverage,
+                                   bool* usePLSDstRead) const;

[joshualitt, 2015/11/23 19:09:29]

Remove

 
     // Some of the auto restore objects assume that no effects are removed during their lifetime.
     // This is used to assert that this condition holds.
@@ -405,10 +397,8 @@ private:
     FragmentProcessorArray                  fCoverageFragmentProcessors;
     GrClip                                  fClip;
 
-    mutable GrProcOptInfo fColorProcInfo;
-    mutable GrProcOptInfo fCoverageProcInfo;
-
     friend class GrPipeline;
+    friend class GrDrawTarget;
 };
 
 #endif