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

gm/imagefromyuvtextures.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.
  */
 
 // This test only works with the GPU backend.
 
 #include "gm.h"
@@ skipping 111 matching lines @@
         context->resetContext();
     }
 
     void onDraw(SkCanvas* canvas) override {
         GrContext* context = canvas->getGrContext();
         if (!context) {
             skiagm::GM::DrawGpuOnlyMessage(canvas);
             return;
         }
 
-        GrBackendObject yuvHandles[3];
-        this->createYUVTextures(context, yuvHandles);
 
         static const SkScalar kPad = 10.f;
 
         SkISize sizes[] = {
             { fYUVBmps[0].width(), fYUVBmps[0].height()},
             { fYUVBmps[1].width(), fYUVBmps[1].height()},
             { fYUVBmps[2].width(), fYUVBmps[2].height()},
         };
         SkTArray<sk_sp<SkImage>> images;
         images.push_back(fRGBImage);
         for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace; ++space) {
+            GrBackendObject yuvHandles[3];
+            this->createYUVTextures(context, yuvHandles);
             images.push_back(SkImage::MakeFromYUVTexturesCopy(context,
                                                               static_cast<SkYUVColorSpace>(space),
                                                               yuvHandles, sizes,
                                                               kTopLeft_GrSurfaceOrigin));
+            this->deleteYUVTextures(context, yuvHandles);
         }
-        this->deleteYUVTextures(context, yuvHandles);
         for (int i = 0; i < images.count(); ++ i) {
             SkScalar y = (i + 1) * kPad + i * fYUVBmps[0].height();
             SkScalar x = kPad;
 
             canvas->drawImage(images[i].get(), x, y);
         }
      }
 
 private:
     sk_sp<SkImage>  fRGBImage;
     SkBitmap        fYUVBmps[3];
 
     static const int kBmpSize = 32;
 
     typedef GM INHERITED;
 };
 
 DEF_GM(return new ImageFromYUVTextures;)
 }
 
 #endif