Add transfer buffer support.

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 "GrResourceProvider.h"
 #include "GrRenderTargetPriv.h"
 #include "GrStencilAttachment.h"
 #include "GrSurfacePriv.h"
+#include "GrTransferBuffer.h"
 #include "GrVertexBuffer.h"
 #include "GrVertices.h"
 
 GrVertices& GrVertices::operator =(const GrVertices& di) {
     fPrimitiveType  = di.fPrimitiveType;
     fStartVertex    = di.fStartVertex;
     fStartIndex     = di.fStartIndex;
     fVertexCount    = di.fVertexCount;
     fIndexCount     = di.fIndexCount;
 
@@ skipping 157 matching lines @@
 
 GrIndexBuffer* GrGpu::createIndexBuffer(size_t size, bool dynamic) {
     this->handleDirtyContext();
     GrIndexBuffer* ib = this->onCreateIndexBuffer(size, dynamic);
     if (!this->caps()->reuseScratchBuffers()) {
         ib->resourcePriv().removeScratchKey();
     }
     return ib;
 }
 
+GrTransferBuffer* GrGpu::createTransferBuffer(size_t size, TransferType type) {
+    this->handleDirtyContext();
+    GrTransferBuffer* tb = this->onCreateTransferBuffer(size, type);
+    return tb;
+}
+
 void GrGpu::clear(const SkIRect& rect,
                   GrColor color,
                   GrRenderTarget* renderTarget) {
     SkASSERT(renderTarget);
     SkASSERT(SkIRect::MakeWH(renderTarget->width(), renderTarget->height()).contains(rect));
     this->handleDirtyContext();
     this->onClear(renderTarget, rect, color);
 }
 
 void GrGpu::clearStencilClip(const SkIRect& rect,
@@ skipping 133 matching lines @@
         this->xferBarrier(args.fPipeline->getRenderTarget(), barrierType);
     }
 
     GrVertices::Iterator iter;
     const GrNonInstancedVertices* verts = iter.init(vertices);
     do {
         this->onDraw(args, *verts);
         fStats.incNumDraws();
     } while ((verts = iter.next()));
 }