/* * Copyright (C) 2018 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. */ #pragma once #if ENABLE(WEBGPU) #include "GPUBasedCanvasRenderingContext.h" #include "HTMLCanvasElement.h" #include "WebGPUSwapChain.h" #include <wtf/RefPtr.h> namespace WebCore { struct WebGPUSwapChainDescriptor; class GPUCanvasContext final : public GPUBasedCanvasRenderingContext { WTF_MAKE_ISO_ALLOCATED(GPUCanvasContext); public: static std::unique_ptr<GPUCanvasContext> create(CanvasBase&); HTMLCanvasElement& canvas() const { return downcast<HTMLCanvasElement>(canvasBase()); } WebGPUSwapChain* swapChain() const { return m_swapChain.get(); } Ref<WebGPUSwapChain> configureSwapChain(const WebGPUSwapChainDescriptor&); private: GPUCanvasContext(CanvasBase&); // GPUBasedCanvasRenderingContext bool isWebGPU() const final { return true; } PlatformLayer* platformLayer() const final; void reshape(int width, int height) final; void markLayerComposited() final; // ActiveDOMObject. const char* activeDOMObjectName() const final { return "GPUCanvasContext"; } // FIXME: Stubs. void stop() final { } RefPtr<WebGPUSwapChain> m_swapChain; }; } // namespace WebCore SPECIALIZE_TYPE_TRAITS_CANVASRENDERINGCONTEXT(WebCore::GPUCanvasContext, isWebGPU()) #endif // ENABLE(WEBGPU)