Hairline batch

src/gpu/GrBatch.h

Index: src/gpu/GrBatch.h
diff --git a/src/gpu/GrBatch.h b/src/gpu/GrBatch.h
index ceb2c5cc2a9da1d9ff65cc3cea1bb51fee763a4d..fc2f3a104a70fa9c95dfc52fd6b1967cd2edb4b6 100644
--- a/src/gpu/GrBatch.h
+++ b/src/gpu/GrBatch.h
@@ -46,7 +46,7 @@ struct GrBatchOpt {
 class GrBatch : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrBatch)
-    GrBatch() { SkDEBUGCODE(fUsed = false;) }
+    GrBatch() : fBatchesGenerated(0) { SkDEBUGCODE(fUsed = false;) }
     virtual ~GrBatch() {}
 
     virtual const char* name() const = 0;
@@ -75,6 +75,9 @@ public:
 
     virtual void generateGeometry(GrBatchTarget*, const GrPipeline*) = 0;
 
+    // TODO this goes away when batches are everywhere
+    int batchesGenerated() const { return fBatchesGenerated; }
+
     void* operator new(size_t size);
     void operator delete(void* target);
 
@@ -105,6 +108,7 @@ protected:
     }
 
     uint32_t fClassID;
+    int fBatchesGenerated;
 
 private:
     static uint32_t GenClassID() {