Add support for accelerated fixed root background

Tools/DumpRenderTree/chromium/DumpRenderTree.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 45 matching lines @@
 
 static const char optionHardwareAcceleratedGL[] = "--enable-hardware-gpu";
 static const char optionEnableSoftwareCompositing[] = "--enable-software-compositing";
 static const char optionEnableThreadedCompositing[] = "--enable-threaded-compositing";
 static const char optionForceCompositingMode[] = "--force-compositing-mode";
 static const char optionEnableAccelerated2DCanvas[] = "--enable-accelerated-2d-canvas";
 static const char optionEnableAcceleratedCompositingForVideo[] = "--enable-accelerated-video";
 static const char optionEnableAcceleratedFixedPosition[] = "--enable-accelerated-fixed-position";
 static const char optionEnableAcceleratedOverflowScroll[] = "--enable-accelerated-overflow-scroll";
 static const char optionEnableAcceleratedTransition[] = "--enable-accelerated-transition";
+static const char optionEnableAcceleratedFixedRootBackground[] = "--enable-accelerated-fixed-root-background";
 static const char optionEnablePerTilePainting[] = "--enable-per-tile-painting";
 static const char optionEnableDeferredImageDecoding[] = "--enable-deferred-image-decoding";
 static const char optionDisableThreadedHTMLParser[] = "--disable-threaded-html-parser";
 
 static const char optionStressOpt[] = "--stress-opt";
 static const char optionStressDeopt[] = "--stress-deopt";
 static const char optionJavaScriptFlags[] = "--js-flags=";
 static const char optionEncodeBinary[] = "--encode-binary";
 static const char optionNoTimeout[] = "--no-timeout";
 static const char optionWebCoreLogChannels[] = "--webcore-log-channels=";
@@ skipping 51 matching lines @@
     TestParams params;
     Vector<string> tests;
     bool serverMode = false;
     bool dumpAllPixels = false;
     bool allowExternalPages = false;
     bool startupDialog = false;
     bool acceleratedCompositingForVideoEnabled = false;
     bool acceleratedCompositingForFixedPositionEnabled = false;
     bool acceleratedCompositingForOverflowScrollEnabled = false;
     bool acceleratedCompositingForTransitionEnabled = false;
+    bool acceleratedCompositingForFixedRootBackgroundEnabled = false;
     bool softwareCompositingEnabled = false;
     bool threadedCompositingEnabled = false;
     bool forceCompositingMode = false;
     bool threadedHTMLParser = true;
     bool accelerated2DCanvasEnabled = false;
     bool perTilePaintingEnabled = false;
     bool deferredImageDecodingEnabled = false;
     bool stressOpt = false;
     bool stressDeopt = false;
     bool hardwareAcceleratedGL = false;
@@ skipping 21 matching lines @@
         else if (argument == optionHardwareAcceleratedGL)
             hardwareAcceleratedGL = true;
         else if (argument == optionEnableAcceleratedCompositingForVideo)
             acceleratedCompositingForVideoEnabled = true;
         else if (argument == optionEnableAcceleratedFixedPosition)
             acceleratedCompositingForFixedPositionEnabled = true;
         else if (argument == optionEnableAcceleratedOverflowScroll)
             acceleratedCompositingForOverflowScrollEnabled = true;
         else if (argument == optionEnableAcceleratedTransition)
             acceleratedCompositingForTransitionEnabled = true;
+        else if (argument == optionEnableAcceleratedFixedRootBackground)
+            acceleratedCompositingForFixedRootBackgroundEnabled = true;
         else if (argument == optionEnableSoftwareCompositing)
             softwareCompositingEnabled = true;
         else if (argument == optionEnableThreadedCompositing)
             threadedCompositingEnabled = true;
         else if (argument == optionForceCompositingMode)
             forceCompositingMode = true;
         else if (argument == optionDisableThreadedHTMLParser)
             threadedHTMLParser = false;
         else if (argument == optionEnableAccelerated2DCanvas)
             accelerated2DCanvasEnabled = true;
@@ skipping 29 matching lines @@
     if (startupDialog)
         openStartupDialog();
 
     { // Explicit scope for the TestShell instance.
         TestShell shell;
         shell.setAllowExternalPages(allowExternalPages);
         shell.setAcceleratedCompositingForVideoEnabled(acceleratedCompositingForVideoEnabled);
         shell.setAcceleratedCompositingForFixedPositionEnabled(acceleratedCompositingForFixedPositionEnabled);
         shell.setAcceleratedCompositingForOverflowScrollEnabled(acceleratedCompositingForOverflowScrollEnabled);
         shell.setAcceleratedCompositingForTransitionEnabled(acceleratedCompositingForTransitionEnabled);
+        shell.setAcceleratedCompositingForFixedRootBackgroundEnabled(acceleratedCompositingForFixedRootBackgroundEnabled);
         shell.setSoftwareCompositingEnabled(softwareCompositingEnabled);
         shell.setThreadedCompositingEnabled(threadedCompositingEnabled);
         shell.setForceCompositingMode(forceCompositingMode);
         shell.setThreadedHTMLParser(threadedHTMLParser);
         shell.setAccelerated2dCanvasEnabled(accelerated2DCanvasEnabled);
         shell.setPerTilePaintingEnabled(perTilePaintingEnabled);
         shell.setDeferredImageDecodingEnabled(deferredImageDecodingEnabled);
         shell.setJavaScriptFlags(javaScriptFlags);
         shell.setStressOpt(stressOpt);
         shell.setStressDeopt(stressDeopt);
@@ skipping 34 matching lines @@
         shell.callJSGC();
 
         // When we finish the last test, cleanup the DRTTestRunner.
         // It may have references to not-yet-cleaned up windows. By cleaning up
         // here we help purify reports.
         shell.resetTestController();
     }
 
     return EXIT_SUCCESS;
 }