Create GrDraw and start fast pathing src over rects

src/gpu/GrDrawContext.cpp

Index: src/gpu/GrDrawContext.cpp
diff --git a/src/gpu/GrDrawContext.cpp b/src/gpu/GrDrawContext.cpp
index 1969bd03be29063f62139f16bb4e246aad63ba9e..db9d03b374ad2a30992c58cf485dd688da525b8b 100644
--- a/src/gpu/GrDrawContext.cpp
+++ b/src/gpu/GrDrawContext.cpp
@@ -21,6 +21,8 @@
 #include "batches/GrDrawVerticesBatch.h"
 #include "batches/GrRectBatchFactory.h"
 
+#include "draws/GrDraw.h"
+
 #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == fContext)
 #define RETURN_IF_ABANDONED        if (!fDrawTarget) { return; }
 #define RETURN_FALSE_IF_ABANDONED  if (!fDrawTarget) { return false; }
@@ -279,7 +281,7 @@ void GrDrawContext::drawRect(GrRenderTarget* rt,
         } else {
             SkRect devBoundRect;
             viewMatrix.mapRect(&devBoundRect, rect);
-            batch.reset(GrRectBatchFactory::CreateAAFill(color, viewMatrix, rect, devBoundRect));
+            batch.reset(GrRectBatchFactory::CreateAAFill(color, viewMatrix, rect));
         }
         fDrawTarget->drawBatch(pipelineBuilder, batch);
         return;
@@ -759,6 +761,17 @@ bool GrDrawContext::prepareToDraw(GrRenderTarget* rt) {
     return true;
 }
 
-void GrDrawContext::drawBatch(GrPipelineBuilder* pipelineBuilder, GrDrawBatch* batch) {
-    fDrawTarget->drawBatch(*pipelineBuilder, batch);
+void GrDrawContext::drawBatch(const GrPipelineBuilder& pipelineBuilder, GrDrawBatch* batch) {
+    RETURN_IF_ABANDONED
+
+    AutoCheckFlush acf(fContext);
+    // The caller will assert it owns the rendertarget
+
+    fDrawTarget->drawBatch(pipelineBuilder, batch);
+}
+
+GrBatch* GrDrawContext::lastBatch() {
+    RETURN_NULL_IF_ABANDONED
+
+    return fDrawTarget->lastBatch();
 }