Check for xfer barriers in GrBatch, auto-issue barriers in GrGpu

src/gpu/GrGpu.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "GrGpu.h"
 
 #include "GrCaps.h"
 #include "GrContext.h"
 #include "GrGpuResourcePriv.h"
 #include "GrIndexBuffer.h"
 #include "GrPathRendering.h"
+#include "GrPipeline.h"
 #include "GrResourceCache.h"
 #include "GrRenderTargetPriv.h"
 #include "GrStencilAttachment.h"
 #include "GrSurfacePriv.h"
 #include "GrVertexBuffer.h"
 #include "GrVertices.h"
 
 GrVertices& GrVertices::operator =(const GrVertices& di) {
     fPrimitiveType  = di.fPrimitiveType;
     fStartVertex    = di.fStartVertex;
@@ skipping 347 matching lines @@
         this->fActiveTraceMarkers.remove(*marker);
         this->didRemoveGpuTraceMarker();
         --fGpuTraceMarkerCount;
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 void GrGpu::draw(const DrawArgs& args, const GrVertices& vertices) {
     this->handleDirtyContext();
+    if (GrXferBarrierType barrierType = args.fPipeline->xferBarrierType(*this->caps())) {
+        this->xferBarrier(args.fPipeline->getRenderTarget(), barrierType);
+    }
+
     GrVertices::Iterator iter;
     const GrNonInstancedVertices* verts = iter.init(vertices);
     do {
         this->onDraw(args, *verts);
     } while ((verts = iter.next()));
 }