Refactor Vulkan image, texture, RTs so that create and getter handles match.

src/gpu/vk/GrVkPipelineState.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 "GrVkPipelineState.h"
 
 #include "GrPipeline.h"
@@ skipping 286 matching lines @@
         if (GrTextureParams::kMipMap_FilterMode == params.filterMode()) {
             if (texture->texturePriv().mipMapsAreDirty()) {
                 gpu->generateMipmap(texture);
                 texture->texturePriv().dirtyMipMaps(false);
             }
         }
 
         fSamplers.push(gpu->resourceProvider().findOrCreateCompatibleSampler(params,
                                                           texture->texturePriv().maxMipMapLevel()));
 
-        const GrVkImage::Resource* textureResource = texture->resource();
+        const GrVkResource* textureResource = texture->resource();
         textureResource->ref();
         fTextures.push(textureResource);
 
         const GrVkImageView* textureView = texture->textureView(allowSRGBInputs);
         textureView->ref();
         fTextureViews.push(textureView);
 
         // Change texture layout so it can be read in shader
         texture->setImageLayout(gpu,
                                 VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
@@ skipping 186 matching lines @@
 
     b.add32(get_blend_info_key(pipeline));
 
     b.add32(primitiveType);
 
     // Set key length
     int keyLength = key->count();
     SkASSERT(0 == (keyLength % 4));
     *reinterpret_cast<uint32_t*>(key->begin()) = SkToU32(keyLength);
 }