Refactor to separate backend object lifecycle and GpuResource budget decision

src/gpu/vk/GrVkTextureRenderTarget.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 "GrVkTextureRenderTarget.h"
 
 #include "GrRenderTargetPriv.h"
 #include "GrVkGpu.h"
 #include "GrVkImageView.h"
 #include "GrVkUtil.h"
 
 #include "vk/GrVkTypes.h"
 
 #define VK_CALL(GPU, X) GR_VK_CALL(GPU->vkInterface(), X)
 
-GrVkTextureRenderTarget*
-GrVkTextureRenderTarget::Create(GrVkGpu* gpu,
-                                const GrSurfaceDesc& desc,
-                                GrGpuResource::LifeCycle lifeCycle,
-                                VkFormat format,
-                                const GrVkImage::Resource* imageResource) {
-
+template<typename ResourceType>
+GrVkTextureRenderTarget* GrVkTextureRenderTarget::Create(GrVkGpu* gpu,
+                                                         ResourceType resourceType,
+                                                         const GrSurfaceDesc& desc,
+                                                         VkFormat format,
+                                                         const GrVkImage::Resource* imageResource) {
     VkImage image = imageResource->fImage;
     // Create the texture ImageView
     const GrVkImageView* imageView = GrVkImageView::Create(gpu, image, format,
                                                            GrVkImageView::kColor_Type);
     if (!imageView) {
         return nullptr;
     }
 
     VkFormat pixelFormat;
     GrPixelConfigToVkFormat(desc.fConfig, &pixelFormat);
@@ skipping 56 matching lines @@
                                                     GrVkImageView::kColor_Type);
         if (!colorAttachmentView) {
             if (msaaImageResource) {
                 resolveAttachmentView->unref(gpu);
                 msaaImageResource->unref(gpu);
             }
             imageView->unref(gpu);
             return nullptr;
         }
     }
-
     GrVkTextureRenderTarget* texRT;
     if (msaaImageResource) {
-        texRT = new GrVkTextureRenderTarget(gpu, desc, lifeCycle,
+        texRT = new GrVkTextureRenderTarget(gpu, resourceType, desc,
                                             imageResource, imageView, msaaImageResource,
                                             colorAttachmentView,
                                             resolveAttachmentView);
         msaaImageResource->unref(gpu);
     } else {
-        texRT = new GrVkTextureRenderTarget(gpu, desc, lifeCycle,
+        texRT = new GrVkTextureRenderTarget(gpu, resourceType, desc,
                                             imageResource, imageView,
                                             colorAttachmentView);
     }
     return texRT;
 }
 
 GrVkTextureRenderTarget*
 GrVkTextureRenderTarget::CreateNewTextureRenderTarget(GrVkGpu* gpu,
-                                                     const GrSurfaceDesc& desc,
-                                                     GrGpuResource::LifeCycle lifeCycle,
-                                                     const GrVkImage::ImageDesc& imageDesc) {
+                                                      SkBudgeted budgeted,
+                                                      const GrSurfaceDesc& desc,
+                                                      const GrVkImage::ImageDesc& imageDesc) {
     SkASSERT(imageDesc.fUsageFlags & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
     SkASSERT(imageDesc.fUsageFlags & VK_IMAGE_USAGE_SAMPLED_BIT);
 
     const GrVkImage::Resource* imageRsrc = GrVkImage::CreateResource(gpu, imageDesc);
 
     if (!imageRsrc) {
         return nullptr;
     }
 
-    GrVkTextureRenderTarget* trt = GrVkTextureRenderTarget::Create(gpu, desc, lifeCycle,
-                                                                   imageDesc.fFormat, imageRsrc);
+    GrVkTextureRenderTarget* trt = Create(gpu, budgeted, desc, imageDesc.fFormat,
+                                          imageRsrc);
     // Create() will increment the refCount of the image resource if it succeeds
     imageRsrc->unref(gpu);
 
     return trt;
 }
 
 GrVkTextureRenderTarget*
 GrVkTextureRenderTarget::CreateWrappedTextureRenderTarget(GrVkGpu* gpu,
                                                           const GrSurfaceDesc& desc,
-                                                          GrGpuResource::LifeCycle lifeCycle,
+                                                          GrWrapOwnership ownership,
                                                           VkFormat format,
                                                           const GrVkTextureInfo* info) {
     SkASSERT(info);
     // Wrapped textures require both image and allocation (because they can be mapped)
     SkASSERT(VK_NULL_HANDLE != info->fImage && VK_NULL_HANDLE != info->fAlloc);
 
     GrVkImage::Resource::Flags flags = (VK_IMAGE_TILING_LINEAR == info->fImageTiling)
                                      ? Resource::kLinearTiling_Flag : Resource::kNo_Flags;
 
     const GrVkImage::Resource* imageResource;
-    if (kBorrowed_LifeCycle == lifeCycle) {
+    if (kBorrow_GrWrapOwnership == ownership) {
         imageResource = new GrVkImage::BorrowedResource(info->fImage,
                                                         info->fAlloc,
                                                         flags,
                                                         info->fFormat);
     } else {
         imageResource = new GrVkImage::Resource(info->fImage, info->fAlloc, flags, info->fFormat);
     }
     if (!imageResource) {
         return nullptr;
     }
-
-    GrVkTextureRenderTarget* trt = GrVkTextureRenderTarget::Create(gpu, desc, lifeCycle,
-                                                                   format, imageResource);
+    GrVkTextureRenderTarget* trt = Create(gpu, kWrapped, desc, format, imageResource);
     if (trt) {
         trt->fCurrentLayout = info->fImageLayout;
     }
     // Create() will increment the refCount of the image resource if it succeeds
     imageResource->unref(gpu);
 
     return trt;
 }