Have gpu createTestingOlyBackendTexture know if it is a render target or not

tests/VkWrapTests.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.
  */
 
 // This is a GPU-backend specific test. It relies on static intializers to work
 
 #include "SkTypes.h"
@@ skipping 11 matching lines @@
 using sk_gpu_test::GrContextFactory;
 
 const int kW = 1024;
 const int kH = 1024;
 const GrPixelConfig kPixelConfig = kRGBA_8888_GrPixelConfig;
 
 void wrap_tex_test(skiatest::Reporter* reporter, GrContext* context) {
 
     GrVkGpu* gpu = static_cast<GrVkGpu*>(context->getGpu());
 
-    GrBackendObject backendObj = gpu->createTestingOnlyBackendTexture(nullptr, kW, kH, kPixelConfig);
+    GrBackendObject backendObj = gpu->createTestingOnlyBackendTexture(nullptr, kW, kH, kPixelConfig,
+                                                                      false);
     const GrVkImageInfo* backendTex = reinterpret_cast<const GrVkImageInfo*>(backendObj);
 
     // check basic borrowed creation
     GrBackendTextureDesc desc;
     desc.fConfig = kPixelConfig;
     desc.fWidth = kW;
     desc.fHeight = kH;
     desc.fTextureHandle = backendObj;
     GrTexture* tex = gpu->wrapBackendTexture(desc, kBorrow_GrWrapOwnership);
     REPORTER_ASSERT(reporter, tex);
@@ skipping 21 matching lines @@
     tex = gpu->wrapBackendTexture(desc, kAdopt_GrWrapOwnership);
     REPORTER_ASSERT(reporter, tex);
     tex->unref();
 
     gpu->deleteTestingOnlyBackendTexture(backendObj, true);
 }
 
 void wrap_rt_test(skiatest::Reporter* reporter, GrContext* context) {
     GrVkGpu* gpu = static_cast<GrVkGpu*>(context->getGpu());
 
-    GrBackendObject backendObj = gpu->createTestingOnlyBackendTexture(nullptr, kW, kH, kPixelConfig);
+    GrBackendObject backendObj = gpu->createTestingOnlyBackendTexture(nullptr, kW, kH, kPixelConfig,
+                                                                      true);
     const GrVkImageInfo* backendTex = reinterpret_cast<const GrVkImageInfo*>(backendObj);
 
     // check basic borrowed creation
     GrBackendRenderTargetDesc desc;
     desc.fWidth = kW;
     desc.fHeight = kH;
     desc.fConfig = kPixelConfig;
     desc.fOrigin = kTopLeft_GrSurfaceOrigin;
     desc.fSampleCnt = 0;
     desc.fStencilBits = 0;
@@ skipping 26 matching lines @@
     rt = gpu->wrapBackendRenderTarget(desc, kAdopt_GrWrapOwnership);
     REPORTER_ASSERT(reporter, rt);
     rt->unref();
 
     gpu->deleteTestingOnlyBackendTexture(backendObj, true);
 }
 
 void wrap_trt_test(skiatest::Reporter* reporter, GrContext* context) {
     GrVkGpu* gpu = static_cast<GrVkGpu*>(context->getGpu());
 
-    GrBackendObject backendObj = gpu->createTestingOnlyBackendTexture(nullptr, kW, kH, kPixelConfig);
+    GrBackendObject backendObj = gpu->createTestingOnlyBackendTexture(nullptr, kW, kH, kPixelConfig,
+                                                                      true);
     const GrVkImageInfo* backendTex = reinterpret_cast<const GrVkImageInfo*>(backendObj);
 
     // check basic borrowed creation
     GrBackendTextureDesc desc;
     desc.fFlags = kRenderTarget_GrBackendTextureFlag;
     desc.fConfig = kPixelConfig;
     desc.fWidth = kW;
     desc.fHeight = kH;
     desc.fTextureHandle = backendObj;
     GrTexture* tex = gpu->wrapBackendTexture(desc, kBorrow_GrWrapOwnership);
@@ skipping 26 matching lines @@
     gpu->deleteTestingOnlyBackendTexture(backendObj, true);
 }
 
 DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkWrapTests, reporter, ctxInfo) {
     wrap_tex_test(reporter, ctxInfo.grContext());
     wrap_rt_test(reporter, ctxInfo.grContext());
     wrap_trt_test(reporter, ctxInfo.grContext());
 }
 
 #endif