Pass Rendertarget into context

src/effects/SkDisplacementMapEffect.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkDisplacementMapEffect.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
@@ skipping 411 matching lines @@
     desc.fHeight = bounds.height();
     desc.fConfig = kSkia8888_GrPixelConfig;
 
     SkAutoTUnref<GrTexture> dst(
         context->refScratchTexture(desc, GrContext::kApprox_ScratchTexMatch));
 
     if (!dst) {
         return false;
     }
 
-    GrContext::AutoRenderTarget art(context, dst->asRenderTarget());
-
     SkVector scale = SkVector::Make(fScale, fScale);
     ctx.ctm().mapVectors(&scale, 1);
 
     GrPaint paint;
     SkMatrix offsetMatrix = GrCoordTransform::MakeDivByTextureWHMatrix(displacement);
     offsetMatrix.preTranslate(SkIntToScalar(colorOffset.fX - displacementOffset.fX),
                               SkIntToScalar(colorOffset.fY - displacementOffset.fY));
 
     paint.addColorProcessor(
         GrDisplacementMapEffect::Create(fXChannelSelector,
                                         fYChannelSelector,
                                         scale,
                                         displacement,
                                         offsetMatrix,
                                         color))->unref();
     SkIRect colorBounds = bounds;
     colorBounds.offset(-colorOffset);
     SkMatrix matrix;
     matrix.setTranslate(-SkIntToScalar(colorBounds.x()),
                         -SkIntToScalar(colorBounds.y()));
-    context->drawRect(paint, matrix, SkRect::Make(colorBounds));
+    context->drawRect(dst->asRenderTarget(), paint, matrix, SkRect::Make(colorBounds));
     offset->fX = bounds.left();
     offset->fY = bounds.top();
     WrapTexture(dst, bounds.width(), bounds.height(), result);
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GrDisplacementMapEffect::GrDisplacementMapEffect(
                              SkDisplacementMapEffect::ChannelSelectorType xChannelSelector,
@@ skipping 167 matching lines @@
                                        const GrGLCaps&, GrProcessorKeyBuilder* b) {
     const GrDisplacementMapEffect& displacementMap = proc.cast<GrDisplacementMapEffect>();
 
     uint32_t xKey = displacementMap.xChannelSelector();
     uint32_t yKey = displacementMap.yChannelSelector() << kChannelSelectorKeyBits;
 
     b->add32(xKey | yKey);
 }
 #endif