/* * Copyright (C) 2017 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. ``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 * 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. */ #pragma once #include "ActiveDOMObject.h" #include "CanvasRenderingContext.h" namespace WebCore { class GPUBasedCanvasRenderingContext : public CanvasRenderingContext, public ActiveDOMObject { public: bool isGPUBased() const override { return true; } bool isAccelerated() const override { #if PLATFORM(WIN) // FIXME: Implement accelerated canvas on Windows. return false; #else return true; #endif } virtual void reshape(int width, int height) = 0; virtual void markLayerComposited() = 0; protected: GPUBasedCanvasRenderingContext(CanvasBase& canvas) : CanvasRenderingContext(canvas) , ActiveDOMObject(canvas.scriptExecutionContext()) { } }; } // namespace WebCore SPECIALIZE_TYPE_TRAITS_CANVASRENDERINGCONTEXT(WebCore::GPUBasedCanvasRenderingContext, isGPUBased())