GrAuditTrail can now be enabled/disabled at runtime

tools/debugger/SkDrawCommand.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 "SkDrawCommand.h"
@@ skipping 218 matching lines @@
                                                 UrlDataManager& urlDataManager) const {
     Json::Value result = this->toJSON(urlDataManager);
 
     SkASSERT(canvas);
 
 #if SK_SUPPORT_GPU
     GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget();
     if (rt) {
         GrContext* ctx = rt->getContext();
         if(ctx) {
+            GrAuditTrail* at = ctx->getAuditTrail();
+            GrAuditTrail::AutoEnable enable(at);
             this->execute(canvas);
-            GrAuditTrail* at = ctx->getAuditTrail();
 
             // TODO if this is inefficient we could add a method to GrAuditTrail which takes
             // a Json::Value and is only compiled in this file
             Json::Value parsedFromString;
             Json::Reader reader;
             SkDEBUGCODE(bool parsingSuccessful = )reader.parse(at->toJson().c_str(),
                                                                parsedFromString);
             SkASSERT(parsingSuccessful);
 
             result[SKDEBUGCANVAS_ATTRIBUTE_AUDITTRAIL] = parsedFromString;
@@ skipping 2854 matching lines @@
     result[SKDEBUGCANVAS_ATTRIBUTE_MATRIX] = make_json_matrix(fMatrix);
     return result;
 }
 
 SkSetMatrixCommand* SkSetMatrixCommand::fromJSON(Json::Value& command, 
                                                  UrlDataManager& urlDataManager) {
     SkMatrix matrix;
     extract_json_matrix(command[SKDEBUGCANVAS_ATTRIBUTE_MATRIX], &matrix);
     return new SkSetMatrixCommand(matrix);
 }