| /* |
| * Copyright (C) 2021 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(CG_DISPLAY_LIST_BACKED_IMAGE_BUFFER) |
| |
| #include "ImageBufferBackendHandle.h" |
| #include <WebCore/ImageBufferCGBackend.h> |
| #include <wtf/IsoMalloc.h> |
| |
| namespace WebKit { |
| |
| class CGDisplayListImageBufferBackend : public WebCore::ImageBufferCGBackend { |
| WTF_MAKE_ISO_ALLOCATED(CGDisplayListImageBufferBackend); |
| WTF_MAKE_NONCOPYABLE(CGDisplayListImageBufferBackend); |
| public: |
| static size_t calculateMemoryCost(const Parameters&); |
| |
| static std::unique_ptr<CGDisplayListImageBufferBackend> create(const Parameters&); |
| static std::unique_ptr<CGDisplayListImageBufferBackend> create(const Parameters&, const WebCore::HostWindow*); |
| |
| ImageBufferBackendHandle createImageBufferBackendHandle() const; |
| |
| WebCore::GraphicsContext& context() const override; |
| WebCore::IntSize backendSize() const override; |
| |
| // NOTE: These all ASSERT_NOT_REACHED(). |
| RefPtr<WebCore::NativeImage> copyNativeImage(WebCore::BackingStoreCopy = WebCore::CopyBackingStore) const override; |
| std::optional<WebCore::PixelBuffer> getPixelBuffer(const WebCore::PixelBufferFormat& outputFormat, const WebCore::IntRect&) const override; |
| void putPixelBuffer(const WebCore::PixelBuffer&, const WebCore::IntRect& srcRect, const WebCore::IntPoint& destPoint, WebCore::AlphaPremultiplication destFormat) override; |
| |
| protected: |
| CGDisplayListImageBufferBackend(const Parameters&, std::unique_ptr<WebCore::GraphicsContext>&&); |
| |
| unsigned bytesPerRow() const override; |
| |
| std::unique_ptr<WebCore::GraphicsContext> m_context; |
| }; |
| |
| } |
| |
| #endif // ENABLE(CG_DISPLAY_LIST_BACKED_IMAGE_BUFFER) |