| /* |
| * Copyright (C) 2020-2022 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. |
| */ |
| |
| #include "config.h" |
| #include "DisplayListItemType.h" |
| |
| #include "DisplayListItems.h" |
| |
| namespace WebCore { |
| namespace DisplayList { |
| |
| static size_t sizeOfItemInBytes(ItemType type) |
| { |
| switch (type) { |
| case ItemType::Save: |
| return sizeof(Save); |
| case ItemType::Restore: |
| return sizeof(Restore); |
| case ItemType::Translate: |
| return sizeof(Translate); |
| case ItemType::Rotate: |
| return sizeof(Rotate); |
| case ItemType::Scale: |
| return sizeof(Scale); |
| case ItemType::ConcatenateCTM: |
| return sizeof(ConcatenateCTM); |
| case ItemType::SetCTM: |
| return sizeof(SetCTM); |
| case ItemType::SetInlineFillColor: |
| return sizeof(SetInlineFillColor); |
| case ItemType::SetInlineStrokeColor: |
| return sizeof(SetInlineStrokeColor); |
| case ItemType::SetStrokeThickness: |
| return sizeof(SetStrokeThickness); |
| case ItemType::SetState: |
| return sizeof(SetState); |
| case ItemType::SetLineCap: |
| return sizeof(SetLineCap); |
| case ItemType::SetLineDash: |
| return sizeof(SetLineDash); |
| case ItemType::SetLineJoin: |
| return sizeof(SetLineJoin); |
| case ItemType::SetMiterLimit: |
| return sizeof(SetMiterLimit); |
| case ItemType::ClearShadow: |
| return sizeof(ClearShadow); |
| case ItemType::Clip: |
| return sizeof(Clip); |
| case ItemType::ClipOut: |
| return sizeof(ClipOut); |
| case ItemType::ClipToImageBuffer: |
| return sizeof(ClipToImageBuffer); |
| case ItemType::ClipOutToPath: |
| return sizeof(ClipOutToPath); |
| case ItemType::ClipPath: |
| return sizeof(ClipPath); |
| case ItemType::DrawFilteredImageBuffer: |
| return sizeof(DrawFilteredImageBuffer); |
| case ItemType::DrawGlyphs: |
| return sizeof(DrawGlyphs); |
| case ItemType::DrawDecomposedGlyphs: |
| return sizeof(DrawDecomposedGlyphs); |
| case ItemType::DrawImageBuffer: |
| return sizeof(DrawImageBuffer); |
| case ItemType::DrawNativeImage: |
| return sizeof(DrawNativeImage); |
| case ItemType::DrawSystemImage: |
| return sizeof(DrawSystemImage); |
| case ItemType::DrawPattern: |
| return sizeof(DrawPattern); |
| case ItemType::DrawRect: |
| return sizeof(DrawRect); |
| case ItemType::DrawLine: |
| return sizeof(DrawLine); |
| case ItemType::DrawLinesForText: |
| return sizeof(DrawLinesForText); |
| case ItemType::DrawDotsForDocumentMarker: |
| return sizeof(DrawDotsForDocumentMarker); |
| case ItemType::DrawEllipse: |
| return sizeof(DrawEllipse); |
| case ItemType::DrawPath: |
| return sizeof(DrawPath); |
| case ItemType::DrawFocusRingPath: |
| return sizeof(DrawFocusRingPath); |
| case ItemType::DrawFocusRingRects: |
| return sizeof(DrawFocusRingRects); |
| case ItemType::FillRect: |
| return sizeof(FillRect); |
| case ItemType::FillRectWithColor: |
| return sizeof(FillRectWithColor); |
| case ItemType::FillRectWithGradient: |
| return sizeof(FillRectWithGradient); |
| case ItemType::FillCompositedRect: |
| return sizeof(FillCompositedRect); |
| case ItemType::FillRoundedRect: |
| return sizeof(FillRoundedRect); |
| case ItemType::FillRectWithRoundedHole: |
| return sizeof(FillRectWithRoundedHole); |
| #if ENABLE(INLINE_PATH_DATA) |
| case ItemType::FillLine: |
| return sizeof(FillLine); |
| case ItemType::FillArc: |
| return sizeof(FillArc); |
| case ItemType::FillQuadCurve: |
| return sizeof(FillQuadCurve); |
| case ItemType::FillBezierCurve: |
| return sizeof(FillBezierCurve); |
| #endif |
| case ItemType::FillPath: |
| return sizeof(FillPath); |
| case ItemType::FillEllipse: |
| return sizeof(FillEllipse); |
| #if ENABLE(VIDEO) |
| case ItemType::PaintFrameForMedia: |
| return sizeof(PaintFrameForMedia); |
| #endif |
| case ItemType::StrokeRect: |
| return sizeof(StrokeRect); |
| case ItemType::StrokeLine: |
| return sizeof(StrokeLine); |
| #if ENABLE(INLINE_PATH_DATA) |
| case ItemType::StrokeArc: |
| return sizeof(StrokeArc); |
| case ItemType::StrokeQuadCurve: |
| return sizeof(StrokeQuadCurve); |
| case ItemType::StrokeBezierCurve: |
| return sizeof(StrokeBezierCurve); |
| #endif |
| case ItemType::StrokePath: |
| return sizeof(StrokePath); |
| case ItemType::StrokeEllipse: |
| return sizeof(StrokeEllipse); |
| case ItemType::ClearRect: |
| return sizeof(ClearRect); |
| case ItemType::BeginTransparencyLayer: |
| return sizeof(BeginTransparencyLayer); |
| case ItemType::EndTransparencyLayer: |
| return sizeof(EndTransparencyLayer); |
| #if USE(CG) |
| case ItemType::ApplyStrokePattern: |
| return sizeof(ApplyStrokePattern); |
| case ItemType::ApplyFillPattern: |
| return sizeof(ApplyFillPattern); |
| #endif |
| case ItemType::ApplyDeviceScaleFactor: |
| return sizeof(ApplyDeviceScaleFactor); |
| } |
| ASSERT_NOT_REACHED(); |
| return 0; |
| } |
| |
| bool isDrawingItem(ItemType type) |
| { |
| /* See the comment at the top of DisplayListItems.h for what this means. |
| * This needs to match all the "static constexpr bool isDrawingItem"s inside the individual item classes. */ |
| |
| switch (type) { |
| case ItemType::ApplyDeviceScaleFactor: |
| #if USE(CG) |
| case ItemType::ApplyFillPattern: |
| case ItemType::ApplyStrokePattern: |
| #endif |
| case ItemType::ClearShadow: |
| case ItemType::Clip: |
| case ItemType::ClipOut: |
| case ItemType::ClipToImageBuffer: |
| case ItemType::ClipOutToPath: |
| case ItemType::ClipPath: |
| case ItemType::ConcatenateCTM: |
| case ItemType::Restore: |
| case ItemType::Rotate: |
| case ItemType::Save: |
| case ItemType::Scale: |
| case ItemType::SetCTM: |
| case ItemType::SetInlineFillColor: |
| case ItemType::SetInlineStrokeColor: |
| case ItemType::SetLineCap: |
| case ItemType::SetLineDash: |
| case ItemType::SetLineJoin: |
| case ItemType::SetMiterLimit: |
| case ItemType::SetState: |
| case ItemType::SetStrokeThickness: |
| case ItemType::Translate: |
| return false; |
| case ItemType::BeginTransparencyLayer: |
| case ItemType::ClearRect: |
| case ItemType::DrawDotsForDocumentMarker: |
| case ItemType::DrawEllipse: |
| case ItemType::DrawFilteredImageBuffer: |
| case ItemType::DrawFocusRingPath: |
| case ItemType::DrawFocusRingRects: |
| case ItemType::DrawGlyphs: |
| case ItemType::DrawDecomposedGlyphs: |
| case ItemType::DrawImageBuffer: |
| case ItemType::DrawLine: |
| case ItemType::DrawLinesForText: |
| case ItemType::DrawNativeImage: |
| case ItemType::DrawSystemImage: |
| case ItemType::DrawPattern: |
| case ItemType::DrawPath: |
| case ItemType::DrawRect: |
| case ItemType::EndTransparencyLayer: |
| case ItemType::FillCompositedRect: |
| case ItemType::FillEllipse: |
| #if ENABLE(INLINE_PATH_DATA) |
| case ItemType::FillLine: |
| case ItemType::FillArc: |
| case ItemType::FillQuadCurve: |
| case ItemType::FillBezierCurve: |
| #endif |
| case ItemType::FillPath: |
| case ItemType::FillRect: |
| case ItemType::FillRectWithColor: |
| case ItemType::FillRectWithGradient: |
| case ItemType::FillRectWithRoundedHole: |
| case ItemType::FillRoundedRect: |
| #if ENABLE(VIDEO) |
| case ItemType::PaintFrameForMedia: |
| #endif |
| case ItemType::StrokeEllipse: |
| #if ENABLE(INLINE_PATH_DATA) |
| case ItemType::StrokeArc: |
| case ItemType::StrokeQuadCurve: |
| case ItemType::StrokeBezierCurve: |
| #endif |
| case ItemType::StrokePath: |
| case ItemType::StrokeRect: |
| case ItemType::StrokeLine: |
| return true; |
| } |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| size_t paddedSizeOfTypeAndItemInBytes(ItemType type) |
| { |
| return sizeof(uint64_t) + roundUpToMultipleOf(alignof(uint64_t), sizeOfItemInBytes(type)); |
| } |
| |
| size_t paddedSizeOfTypeAndItemInBytes(const DisplayListItem& displayListItem) |
| { |
| auto itemSize = std::visit([](const auto& item) { |
| return sizeof(item); |
| }, displayListItem); |
| return sizeof(uint64_t) + roundUpToMultipleOf(alignof(uint64_t), itemSize); |
| } |
| |
| ItemType displayListItemType(const DisplayListItem& displayListItem) |
| { |
| return std::visit([](const auto& item) { |
| return item.itemType; |
| }, displayListItem); |
| } |
| |
| bool isInlineItem(ItemType type) |
| { |
| /* See the comment at the top of DisplayListItems.h for what this means. |
| * This needs to match (1) RemoteImageBufferProxy::encodeItem(), (2) RemoteRenderingBackend::decodeItem(), |
| * and (3) all the "static constexpr bool isInlineItem"s inside the individual item classes. */ |
| |
| switch (type) { |
| case ItemType::ClipOutToPath: |
| case ItemType::ClipPath: |
| case ItemType::DrawFocusRingPath: |
| case ItemType::DrawFocusRingRects: |
| case ItemType::DrawGlyphs: |
| case ItemType::DrawLinesForText: |
| case ItemType::DrawPath: |
| case ItemType::FillCompositedRect: |
| case ItemType::FillPath: |
| case ItemType::FillRectWithColor: |
| case ItemType::FillRectWithGradient: |
| case ItemType::FillRectWithRoundedHole: |
| case ItemType::FillRoundedRect: |
| case ItemType::SetLineDash: |
| case ItemType::SetState: |
| case ItemType::StrokePath: |
| case ItemType::DrawSystemImage: |
| return false; |
| case ItemType::ApplyDeviceScaleFactor: |
| #if USE(CG) |
| case ItemType::ApplyFillPattern: |
| case ItemType::ApplyStrokePattern: |
| #endif |
| case ItemType::BeginTransparencyLayer: |
| case ItemType::ClearRect: |
| case ItemType::ClearShadow: |
| case ItemType::Clip: |
| case ItemType::ClipOut: |
| case ItemType::ClipToImageBuffer: |
| case ItemType::ConcatenateCTM: |
| case ItemType::DrawDotsForDocumentMarker: |
| case ItemType::DrawEllipse: |
| case ItemType::DrawFilteredImageBuffer: |
| case ItemType::DrawDecomposedGlyphs: |
| case ItemType::DrawImageBuffer: |
| case ItemType::DrawNativeImage: |
| case ItemType::DrawPattern: |
| case ItemType::DrawLine: |
| case ItemType::DrawRect: |
| case ItemType::EndTransparencyLayer: |
| case ItemType::FillEllipse: |
| #if ENABLE(INLINE_PATH_DATA) |
| case ItemType::FillLine: |
| case ItemType::FillArc: |
| case ItemType::FillQuadCurve: |
| case ItemType::FillBezierCurve: |
| #endif |
| case ItemType::FillRect: |
| #if ENABLE(VIDEO) |
| case ItemType::PaintFrameForMedia: |
| #endif |
| case ItemType::Restore: |
| case ItemType::Rotate: |
| case ItemType::Save: |
| case ItemType::Scale: |
| case ItemType::SetCTM: |
| case ItemType::SetInlineFillColor: |
| case ItemType::SetInlineStrokeColor: |
| case ItemType::SetLineCap: |
| case ItemType::SetLineJoin: |
| case ItemType::SetMiterLimit: |
| case ItemType::SetStrokeThickness: |
| case ItemType::StrokeEllipse: |
| #if ENABLE(INLINE_PATH_DATA) |
| case ItemType::StrokeArc: |
| case ItemType::StrokeQuadCurve: |
| case ItemType::StrokeBezierCurve: |
| #endif |
| case ItemType::StrokeRect: |
| case ItemType::StrokeLine: |
| case ItemType::Translate: |
| return true; |
| } |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| } // namespace DisplayList |
| } // namespace WebCore |