Clean up test drawContext usage

gm/texturedomaineffect.cpp

 /*
  * Copyright 2014 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 52 matching lines @@
 
         SkColor colors3[] = { SK_ColorBLUE, SK_ColorLTGRAY, SK_ColorGREEN };
         paint.setShader(SkGradientShader::MakeSweep(25.f, 35.f, colors3, nullptr,
                                                     SK_ARRAY_COUNT(colors3)));
         paint.setXfermodeMode(SkXfermode::kLighten_Mode);
         canvas.drawOval(SkRect::MakeXYWH(-5.f, -5.f, fBmp.width() + 10.f, fBmp.height() + 10.f),
                         paint);
     }
 
     void onDraw(SkCanvas* canvas) override {
-        GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget();
-        if (nullptr == rt) {
-            return;
-        }
-        GrContext* context = rt->getContext();
-        if (nullptr == context) {
+        GrDrawContext* drawContext = canvas->internal_private_accessTopLayerDrawContext();
+        if (!drawContext) {
             skiagm::GM::DrawGpuOnlyMessage(canvas);
             return;
         }
 
-        sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(rt)));
-        if (!drawContext) {
+        GrContext* context = canvas->getGrContext();
+        if (!context) {
             return;
         }
 
         SkAutoTUnref<GrTexture> texture(GrRefCachedBitmapTexture(context, fBmp,
                                                                  GrTextureParams::ClampNoFilter()));
         if (!texture) {
             return;
         }
 
         SkTArray<SkMatrix> textureMatrices;
@@ skipping 26 matching lines @@
                     SkAutoTUnref<const GrFragmentProcessor> fp(
                         GrTextureDomainEffect::Create(texture, textureMatrices[tm],
                                                 GrTextureDomain::MakeTexelDomain(texture,
                                                                                 texelDomains[d]),
                                                 mode, GrTextureParams::kNone_FilterMode));
 
                     if (!fp) {
                         continue;
                     }
                     const SkMatrix viewMatrix = SkMatrix::MakeTrans(x, y);
-                    pipelineBuilder.setRenderTarget(rt);
+                    pipelineBuilder.setRenderTarget(drawContext->accessRenderTarget());
                     pipelineBuilder.addColorFragmentProcessor(fp);
 
                     SkAutoTUnref<GrDrawBatch> batch(
                             GrRectBatchFactory::CreateNonAAFill(GrColor_WHITE, viewMatrix,
                                                                 renderRect, nullptr, nullptr));
                     drawContext->drawContextPriv().testingOnly_drawBatch(pipelineBuilder, batch);
                     x += renderRect.width() + kTestPad;
                 }
                 y += renderRect.height() + kTestPad;
             }
@@ skipping 11 matching lines @@
 };
 
 // Windows builds did not like SkScalar initialization in class :(
 const SkScalar TextureDomainEffect::kDrawPad = 10.f;
 const SkScalar TextureDomainEffect::kTestPad = 10.f;
 
 DEF_GM(return new TextureDomainEffect;)
 }
 
 #endif