/* * 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 "GPUTexture.h" #include <wtf/OptionSet.h> #include <wtf/RefPtr.h> #include <wtf/RetainPtr.h> OBJC_CLASS CALayer; OBJC_CLASS CAMetalDrawable; OBJC_CLASS WebGPULayer; namespace WebCore { class GPUDevice; struct GPUSwapChainDescriptor; enum class GPUTextureFormat; using PlatformDrawableSmartPtr = RetainPtr<CAMetalDrawable>; using PlatformLayer = CALayer; using PlatformSwapLayerSmartPtr = RetainPtr<WebGPULayer>; class GPUSwapChain : public RefCounted<GPUSwapChain> { public: static RefPtr<GPUSwapChain> tryCreate(const GPUSwapChainDescriptor&, int width, int height); RefPtr<GPUTexture> tryGetCurrentTexture(); #if USE(METAL) RetainPtr<CAMetalDrawable> takeDrawable(); #endif // For GPUCanvasContext. PlatformLayer* platformLayer() const; void present(); void reshape(int width, int height); void destroy() { m_currentDrawable = nullptr; } private: GPUSwapChain(PlatformSwapLayerSmartPtr&&, OptionSet<GPUTextureUsage::Flags>); PlatformSwapLayerSmartPtr m_platformSwapLayer; PlatformDrawableSmartPtr m_currentDrawable; OptionSet<GPUTextureUsage::Flags> m_usage; }; } // namespace WebCore #endif // ENABLE(WEBGPU)