Revert of SkRTConf: reduce functionality to what we use, increase simplicity

src/effects/SkBlurMaskFilter.cpp

 /*
  * Copyright 2006 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 "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
 #include "SkGpuBlurUtils.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkMaskFilter.h"
 #include "SkRRect.h"
+#include "SkRTConf.h"
 #include "SkStringUtils.h"
 #include "SkStrokeRec.h"
 
 #if SK_SUPPORT_GPU
 #include "GrCircleBlurFragmentProcessor.h"
 #include "GrContext.h"
 #include "GrDrawContext.h"
 #include "GrTexture.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
@@ skipping 271 matching lines @@
 static SkCachedData* add_cached_rects(SkMask* mask, SkScalar sigma, SkBlurStyle style,
                                       SkBlurQuality quality, const SkRect rects[], int count) {
     SkCachedData* cache = copy_mask_to_cacheddata(mask);
     if (cache) {
         SkMaskCache::Add(sigma, style, quality, rects, count, *mask, cache);
     }
     return cache;
 }
 
 #ifdef SK_IGNORE_FAST_RRECT_BLUR
-  // Use the faster analytic blur approach for ninepatch round rects
-  static const bool c_analyticBlurRRect{false};
+SK_CONF_DECLARE(bool, c_analyticBlurRRect, "mask.filter.blur.analyticblurrrect", false, "Use the faster analytic blur approach for ninepatch rects");
 #else
-  static const bool c_analyticBlurRRect{true};
+SK_CONF_DECLARE(bool, c_analyticBlurRRect, "mask.filter.blur.analyticblurrrect", true, "Use the faster analytic blur approach for ninepatch round rects");
 #endif
 
 SkMaskFilter::FilterReturn
 SkBlurMaskFilterImpl::filterRRectToNine(const SkRRect& rrect, const SkMatrix& matrix,
                                         const SkIRect& clipBounds,
                                         NinePatch* patch) const {
     SkASSERT(patch != nullptr);
     switch (rrect.getType()) {
         case SkRRect::kEmpty_Type:
             // Nothing to draw.
@@ skipping 116 matching lines @@
 
     patch->fMask.fBounds.offsetTo(0, 0);
     patch->fOuterRect = dstM.fBounds;
     patch->fCenter.fX = SkScalarCeilToInt(leftUnstretched) + 1;
     patch->fCenter.fY = SkScalarCeilToInt(topUnstretched) + 1;
     SkASSERT(nullptr == patch->fCache);
     patch->fCache = cache;  // transfer ownership to patch
     return kTrue_FilterReturn;
 }
 
-// Use the faster analytic blur approach for ninepatch rects
-static const bool c_analyticBlurNinepatch{true};
+SK_CONF_DECLARE(bool, c_analyticBlurNinepatch, "mask.filter.analyticNinePatch", true, "Use the faster analytic blur approach for ninepatch rects");
 
 SkMaskFilter::FilterReturn
 SkBlurMaskFilterImpl::filterRectsToNine(const SkRect rects[], int count,
                                         const SkMatrix& matrix,
                                         const SkIRect& clipBounds,
                                         NinePatch* patch) const {
     if (count < 1 || count > 2) {
         return kUnimplemented_FilterReturn;
     }
 
@@ skipping 852 matching lines @@
     } else {
         str->append("None");
     }
     str->append("))");
 }
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END