More framework support for TransferBuffers

src/gpu/GrResourceProvider.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrResourceProvider.h"
 
 #include "GrGpu.h"
@@ skipping 128 matching lines @@
             scratchFlags = GrResourceCache::kPreferNoPendingIO_ScratchFlag;
         }
         GrGpuResource* resource = this->cache()->findAndRefScratchResource(key, size, scratchFlags);
         if (resource) {
             return static_cast<GrVertexBuffer*>(resource);
         }
     }
     return this->gpu()->createVertexBuffer(size, dynamic);
 }
 
+GrTransferBuffer* GrResourceProvider::createTransferBuffer(size_t size, TransferType type,
+                                                           uint32_t flags) {
+    if (this->isAbandoned()) {
+        return nullptr;
+    }
+
+    //bool noPendingIO = SkToBool(flags & kNoPendingIO_Flag);
+    return this->gpu()->createTransferBuffer(size, type);
+}
+
 GrBatchAtlas* GrResourceProvider::createAtlas(GrPixelConfig config,
                                               int width, int height,
                                               int numPlotsX, int numPlotsY,
                                               GrBatchAtlas::EvictionFunc func, void* data) {
     GrSurfaceDesc desc;
     desc.fFlags = kNone_GrSurfaceFlags;
     desc.fWidth = width;
     desc.fHeight = height;
     desc.fConfig = config;
 
@@ skipping 51 matching lines @@
                 // FBO. But iOS doesn't allow a stencil-only FBO. It reports unsupported
                 // FBO status.
                 this->gpu()->clearStencil(rt);
             }
         }
     }
     return rt->renderTargetPriv().getStencilAttachment();
 }