Revert of Remove SK_SUPPORT_LEGACY_DEEPFLATTENING.

src/core/SkComposeShader.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 "SkComposeShader.h"
 #include "SkColorFilter.h"
 #include "SkColorPriv.h"
 #include "SkColorShader.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 #include "SkXfermode.h"
 #include "SkString.h"
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkComposeShader::SkComposeShader(SkShader* sA, SkShader* sB, SkXfermode* mode) {
     fShaderA = sA;  sA->ref();
     fShaderB = sB;  sB->ref();
     // mode may be null
     fMode = mode;
     SkSafeRef(mode);
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
+SkComposeShader::SkComposeShader(SkReadBuffer& buffer) : INHERITED(buffer) {
+    fShaderA = buffer.readShader();
+    if (NULL == fShaderA) {
+        fShaderA = SkNEW_ARGS(SkColorShader, ((SkColor)0));
+    }
+    fShaderB = buffer.readShader();
+    if (NULL == fShaderB) {
+        fShaderB = SkNEW_ARGS(SkColorShader, ((SkColor)0));
+    }
+    fMode = buffer.readXfermode();
+}
+#endif
+
 SkComposeShader::~SkComposeShader() {
     SkSafeUnref(fMode);
     fShaderB->unref();
     fShaderA->unref();
 }
 
 size_t SkComposeShader::contextSize() const {
     return sizeof(ComposeShaderContext) + fShaderA->contextSize() + fShaderB->contextSize();
 }
 
@@ skipping 164 matching lines @@
     str->append(" ShaderB: ");
     fShaderB->toString(str);
     str->append(" Xfermode: ");
     fMode->toString(str);
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif