Add Gr*Proxy classes

src/effects/SkMorphologyImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkMorphologyImageFilter.h"
 
 #include "SkBitmap.h"
@@ skipping 469 matching lines @@
     // setup new clip
     const GrClip clip(SkRect::MakeWH(SkIntToScalar(srcTexture->width()),
                                      SkIntToScalar(srcTexture->height())));
 
     const SkIRect dstRect = SkIRect::MakeWH(rect.width(), rect.height());
     SkIRect srcRect = rect;
 
     SkASSERT(radius.width() > 0 || radius.height() > 0);
 
     if (radius.fWidth > 0) {
-        sk_sp<GrDrawContext> dstDrawContext(context->newDrawContext(GrContext::kLoose_BackingFit,
+        sk_sp<GrDrawContext> dstDrawContext(context->newDrawContext(SkBackingFit::kApprox,
                                                                     rect.width(), rect.height(),
                                                                     kSkia8888_GrPixelConfig));
         if (!dstDrawContext) {
             return nullptr;
         }
 
         apply_morphology_pass(dstDrawContext.get(), clip, srcTexture.get(),
                               srcRect, dstRect, radius.fWidth, morphType,
                               Gr1DKernelEffect::kX_Direction);
         SkIRect clearRect = SkIRect::MakeXYWH(dstRect.fLeft, dstRect.fBottom,
                                               dstRect.width(), radius.fHeight);
         GrColor clearColor = GrMorphologyEffect::kErode_MorphologyType == morphType
                                 ? SK_ColorWHITE
                                 : SK_ColorTRANSPARENT;
         dstDrawContext->clear(&clearRect, clearColor, false);
 
         srcTexture = dstDrawContext->asTexture();
         srcRect = dstRect;
     }
     if (radius.fHeight > 0) {
-        sk_sp<GrDrawContext> dstDrawContext(context->newDrawContext(GrContext::kLoose_BackingFit,
+        sk_sp<GrDrawContext> dstDrawContext(context->newDrawContext(SkBackingFit::kApprox,
                                                                     rect.width(), rect.height(),
                                                                     kSkia8888_GrPixelConfig));
         if (!dstDrawContext) {
             return nullptr;
         }
 
         apply_morphology_pass(dstDrawContext.get(), clip, srcTexture.get(),
                               srcRect, dstRect, radius.fHeight, morphType,
                               Gr1DKernelEffect::kY_Direction);
 
@@ skipping 106 matching lines @@
                     inputBM.getAddr32(srcBounds.left(), srcBounds.top()),
                     inputBM.rowBytesAsPixels(),
                     &dst, height, srcBounds);
     }
     offset->fX = bounds.left();
     offset->fY = bounds.top();
 
     return SkSpecialImage::MakeFromRaster(SkIRect::MakeWH(bounds.width(), bounds.height()),
                                           dst, &source->props());
 }