/* * Copyright (C) 2011 Apple 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: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #import "config.h" #import "WebTileLayer.h" #import "TileController.h" #import <wtf/CurrentTime.h> using namespace WebCore; @interface WebTileLayer (ScrollingPerformanceLoggingInternal) - (void)logFilledFreshTile; @end @implementation WebTileLayer - (id<CAAction>)actionForKey:(NSString *)key { UNUSED_PARAM(key); // Disable all animations. return nil; } - (void)drawInContext:(CGContextRef)context { #if PLATFORM(IOS) if (pthread_main_np()) WebThreadLock(); #endif if (_tileController) { _tileController->drawLayer(self, context); if (static_cast<TiledBacking*>(_tileController)->scrollingPerformanceLoggingEnabled()) [self logFilledFreshTile]; } } - (void)setTileController:(WebCore::TileController*)tileController { _tileController = tileController; } - (void)resetPaintCount { _paintCount = 0; } - (unsigned)incrementPaintCount { return ++_paintCount; } - (unsigned)paintCount { return _paintCount; } - (void)logFilledFreshTile { FloatRect visiblePart([self frame]); visiblePart.intersect(_tileController->visibleRect()); if ([self paintCount] == 1 && !visiblePart.isEmpty()) WTFLogAlways("SCROLLING: Filled visible fresh tile. Time: %f Unfilled Pixels: %u\n", WTF::monotonicallyIncreasingTime(), _tileController->blankPixelCount()); } @end