Add resource provider flag to avoid client-side buffers

src/gpu/vk/GrVkGpuCommandBuffer.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "GrVkGpuCommandBuffer.h"
 
 #include "GrMesh.h"
@@ skipping 277 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 void GrVkGpuCommandBuffer::bindGeometry(const GrPrimitiveProcessor& primProc,
                                         const GrNonInstancedMesh& mesh) {
     // There is no need to put any memory barriers to make sure host writes have finished here.
     // When a command buffer is submitted to a queue, there is an implicit memory barrier that
     // occurs for all host writes. Additionally, BufferMemoryBarriers are not allowed inside of
     // an active RenderPass.
+    SkASSERT(!mesh.vertexBuffer()->isCPUBacked());
     GrVkVertexBuffer* vbuf;
     vbuf = (GrVkVertexBuffer*)mesh.vertexBuffer();
     SkASSERT(vbuf);
     SkASSERT(!vbuf->isMapped());
 
     fCommandBuffer->bindVertexBuffer(fGpu, vbuf);
 
     if (mesh.isIndexed()) {
+        SkASSERT(!mesh.indexBuffer()->isCPUBacked());
         GrVkIndexBuffer* ibuf = (GrVkIndexBuffer*)mesh.indexBuffer();
         SkASSERT(ibuf);
         SkASSERT(!ibuf->isMapped());
 
         fCommandBuffer->bindIndexBuffer(fGpu, ibuf);
     }
 }
 
 sk_sp<GrVkPipelineState> GrVkGpuCommandBuffer::prepareDrawState(
                                                                const GrPipeline& pipeline,
@@ skipping 112 matching lines @@
             fGpu->stats()->incNumDraws();
         } while ((nonIdxMesh = iter.next()));
     }
 
     // Technically we don't have to call this here (since there is a safety check in
     // pipelineState:setData but this will allow for quicker freeing of resources if the
     // pipelineState sits in a cache for a while.
     pipelineState->freeTempResources(fGpu);
 }