Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/effects/gradients/SkLinearGradient.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLinearGradient.h"
 
 static inline int repeat_bits(int x, const int bits) {
@@ skipping 42 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 SkLinearGradient::SkLinearGradient(const SkPoint pts[2], const Descriptor& desc)
     : SkGradientShaderBase(desc)
     , fStart(pts[0])
     , fEnd(pts[1])
 {
     pts_to_unit_matrix(pts, &fPtsToUnit);
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkLinearGradient::SkLinearGradient(SkReadBuffer& buffer)
+    : INHERITED(buffer)
+    , fStart(buffer.readPoint())
+    , fEnd(buffer.readPoint()) {
+}
+#endif
+
 SkFlattenable* SkLinearGradient::CreateProc(SkReadBuffer& buffer) {
     DescriptorScope desc;
     if (!desc.unflatten(buffer)) {
         return NULL;
     }
     SkPoint pts[2];
     pts[0] = buffer.readPoint();
     pts[1] = buffer.readPoint();
     return SkGradientShader::CreateLinear(pts, desc.fColors, desc.fPos, desc.fCount,
                                           desc.fTileMode, desc.fGradFlags, desc.fLocalMatrix);
@@ skipping 480 matching lines @@
     t.append(".x");
     this->emitColor(builder, ge, t.c_str(), outputColor, inputColor, samplers);
 }
 
 /////////////////////////////////////////////////////////////////////
 
 bool SkLinearGradient::asFragmentProcessor(GrContext* context, const SkPaint& paint,
                                            const SkMatrix* localMatrix, GrColor* paintColor,
                                            GrFragmentProcessor** fp)  const {
     SkASSERT(context);
-
+    
     SkMatrix matrix;
     if (!this->getLocalMatrix().invert(&matrix)) {
         return false;
     }
     if (localMatrix) {
         SkMatrix inv;
         if (!localMatrix->invert(&inv)) {
             return false;
         }
         matrix.postConcat(inv);
     }
     matrix.postConcat(fPtsToUnit);
-
+    
     *paintColor = SkColor2GrColorJustAlpha(paint.getColor());
     *fp = GrLinearGradient::Create(context, *this, matrix, fTileMode);
-
+    
     return true;
 }
 
 #else
 
 bool SkLinearGradient::asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix*, GrColor*,
                                            GrFragmentProcessor**)  const {
     SkDEBUGFAIL("Should not call in GPU-less build");
     return false;
 }
 
 #endif
 
 #ifndef SK_IGNORE_TO_STRING
 void SkLinearGradient::toString(SkString* str) const {
     str->append("SkLinearGradient (");
 
     str->appendf("start: (%f, %f)", fStart.fX, fStart.fY);
     str->appendf(" end: (%f, %f) ", fEnd.fX, fEnd.fY);
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif