Just an experiment

src/gpu/GrDrawContext.cpp

Index: src/gpu/GrDrawContext.cpp
diff --git a/src/gpu/GrDrawContext.cpp b/src/gpu/GrDrawContext.cpp
index 1969bd03be29063f62139f16bb4e246aad63ba9e..98404a29d124577c6dbbc879404fe4572427f258 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;
@@ -762,3 +764,9 @@ bool GrDrawContext::prepareToDraw(GrRenderTarget* rt) {
 void GrDrawContext::drawBatch(GrPipelineBuilder* pipelineBuilder, GrDrawBatch* batch) {
     fDrawTarget->drawBatch(*pipelineBuilder, batch);
 }
+
+void GrDrawContext::draw(const GrDraw& draw) {
+    RETURN_IF_ABANDONED
+
+    draw.execute(fDrawTarget);
+}