Refugee from Dead Machine 4: MDB Monster

src/effects/SkAlphaThresholdFilter.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 "SkAlphaThresholdFilter.h"
 #include "SkBitmap.h"
 #include "SkReadBuffer.h"
@@ skipping 269 matching lines @@
         // Add one pixel of border to ensure that clamp mode will be all zeros
         // the outside.
         maskDesc.fWidth = texture->width();
         maskDesc.fHeight = texture->height();
         SkAutoTUnref<GrTexture> maskTexture(context->textureProvider()->refScratchTexture(
             maskDesc, GrTextureProvider::kApprox_ScratchTexMatch));
         if (!maskTexture) {
             return false;
         }
 
-        GrDrawContext* drawContext = context->drawContext();
+        GrDrawContext* drawContext = context->drawContext(maskTexture->asRenderTarget());
         if (drawContext) {
             GrPaint grPaint;
             grPaint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
             SkRegion::Iterator iter(fRegion);
             drawContext->clear(maskTexture->asRenderTarget(), NULL, 0x0, true);
 
             while (!iter.done()) {
                 SkRect rect = SkRect::Make(iter.rect());
                 drawContext->drawRect(maskTexture->asRenderTarget(), GrClip::WideOpen(), grPaint,
                                       in_matrix, rect);
                 iter.next();
             }
         }
 
+        // TODO: whoever uses the resulting 'fp' needs to "use" the correct
+        // drawContext
         *fp = AlphaThresholdEffect::Create(texture,
                                            maskTexture,
                                            fInnerThreshold,
                                            fOuterThreshold);
     }
     return true;
 }
 #endif
 
 void SkAlphaThresholdFilterImpl::flatten(SkWriteBuffer& buffer) const {
@@ skipping 66 matching lines @@
 }
 
 #ifndef SK_IGNORE_TO_STRING
 void SkAlphaThresholdFilterImpl::toString(SkString* str) const {
     str->appendf("SkAlphaThresholdImageFilter: (");
     str->appendf("inner: %f outer: %f", fInnerThreshold, fOuterThreshold);
     str->append(")");
 }
 #endif