Consolidate GPU buffer implementations

src/gpu/vk/GrVkIndexBuffer.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 "GrVkIndexBuffer.h"
 #include "GrVkGpu.h"
 
 GrVkIndexBuffer::GrVkIndexBuffer(GrVkGpu* gpu, const GrVkBuffer::Desc& desc,
                                  const GrVkBuffer::Resource* bufferResource)
-    : INHERITED(gpu, desc.fSizeInBytes, desc.fDynamic, false)
-    , GrVkBuffer(desc, bufferResource) {
+    : GrVkBuffer(gpu, desc, bufferResource) {
     this->registerWithCache();
 }
 
-GrVkIndexBuffer* GrVkIndexBuffer::Create(GrVkGpu* gpu, size_t size, bool dynamic) {
+GrVkIndexBuffer* GrVkIndexBuffer::Create(GrVkGpu* gpu, size_t size, GrAccessPattern accessPattern) {
     GrVkBuffer::Desc desc;
-    desc.fDynamic = dynamic;
-    desc.fType = GrVkBuffer::kIndex_Type;
+    desc.fAccessPattern = accessPattern;
+    desc.fType = kIndex_GrBufferType;
     desc.fSizeInBytes = size;
 
     const GrVkBuffer::Resource* bufferResource = GrVkBuffer::Create(gpu, desc);
     if (!bufferResource) {
         return nullptr;
     }
 
 
     GrVkIndexBuffer* buffer = new GrVkIndexBuffer(gpu, desc, bufferResource);
     if (!buffer) {
         bufferResource->unref(gpu);
     }
     return buffer;
 }
-
-void GrVkIndexBuffer::onRelease() {
-    if (!this->wasDestroyed()) {
-        this->vkRelease(this->getVkGpu());
-    }
-
-    INHERITED::onRelease();
-}
-
-void GrVkIndexBuffer::onAbandon() {
-    this->vkAbandon();
-    INHERITED::onAbandon();
-}
-
-void* GrVkIndexBuffer::onMap() {
-    if (!this->wasDestroyed()) {
-        return this->vkMap(this->getVkGpu());
-    } else {
-        return NULL;
-    }
-}
-
-void GrVkIndexBuffer::onUnmap() {
-    if (!this->wasDestroyed()) {
-        this->vkUnmap(this->getVkGpu());
-    }
-}
-
-bool GrVkIndexBuffer::onUpdateData(const void* src, size_t srcSizeInBytes) {
-    if (!this->wasDestroyed()) {
-        return this->vkUpdateData(this->getVkGpu(), src, srcSizeInBytes);
-    } else {
-        return false;
-    }
-}
-
-GrVkGpu* GrVkIndexBuffer::getVkGpu() const {
-    SkASSERT(!this->wasDestroyed());
-    return static_cast<GrVkGpu*>(this->getGpu());
-}
-