| /* |
| * Copyright (C) 2020-2021 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. |
| */ |
| |
| #include "config.h" |
| |
| #if USE(CG) |
| |
| #include <WebCore/DestinationColorSpace.h> |
| #include <WebCore/DisplayList.h> |
| #include <WebCore/DisplayListItems.h> |
| #include <WebCore/DisplayListReplayer.h> |
| #include <WebCore/DisplayListResourceHeap.h> |
| #include <WebCore/Filter.h> |
| #include <WebCore/Gradient.h> |
| #include <WebCore/GraphicsContextCG.h> |
| |
| namespace TestWebKitAPI { |
| using namespace WebCore; |
| using DisplayList::DisplayList; |
| using namespace DisplayList; |
| |
| constexpr size_t globalItemBufferCapacity = 1 << 12; |
| static uint8_t globalItemBuffer[globalItemBufferCapacity]; |
| constexpr CGFloat contextWidth = 100; |
| constexpr CGFloat contextHeight = 100; |
| |
| TEST(DisplayListTests, ReplayWithMissingResource) |
| { |
| FloatRect contextBounds { 0, 0, contextWidth, contextHeight }; |
| |
| auto colorSpace = DestinationColorSpace::SRGB(); |
| auto cgContext = adoptCF(CGBitmapContextCreate(nullptr, contextWidth, contextHeight, 8, 4 * contextWidth, colorSpace.platformColorSpace(), kCGImageAlphaPremultipliedLast)); |
| GraphicsContextCG context { cgContext.get() }; |
| |
| auto imageBufferIdentifier = RenderingResourceIdentifier::generate(); |
| |
| DisplayList list; |
| |
| list.append<SetInlineFillColor>(Color::green); |
| list.append<FillRect>(contextBounds); |
| list.append<DrawImageBuffer>(imageBufferIdentifier, contextBounds, contextBounds, ImagePaintingOptions { }); |
| list.append<SetInlineStrokeColor>(Color::red); |
| list.append<StrokeLine>(FloatPoint { 0, contextHeight }, FloatPoint { contextWidth, 0 }); |
| |
| { |
| Replayer replayer { context, list }; |
| auto result = replayer.replay(); |
| EXPECT_LT(result.numberOfBytesRead, list.sizeInBytes()); |
| EXPECT_EQ(result.reasonForStopping, StopReplayReason::MissingCachedResource); |
| EXPECT_EQ(result.missingCachedResourceIdentifier, imageBufferIdentifier); |
| } |
| |
| { |
| auto imageBuffer = ImageBuffer::create({ 100, 100 }, RenderingMode::Unaccelerated, 1, colorSpace, PixelFormat::BGRA8); |
| LocalResourceHeap resourceHeap; |
| resourceHeap.add(imageBufferIdentifier, imageBuffer.releaseNonNull()); |
| |
| Replayer replayer { context, list, &resourceHeap }; |
| auto result = replayer.replay(); |
| EXPECT_EQ(result.numberOfBytesRead, list.sizeInBytes()); |
| EXPECT_EQ(result.reasonForStopping, StopReplayReason::ReplayedAllItems); |
| EXPECT_EQ(result.missingCachedResourceIdentifier, std::nullopt); |
| } |
| } |
| |
| static ItemBufferIdentifier globalBufferIdentifier = ItemBufferIdentifier::generate(); |
| |
| class ReadingClient : public ItemBufferReadingClient { |
| private: |
| std::optional<ItemHandle> WARN_UNUSED_RETURN decodeItem(const uint8_t*, size_t, ItemType type, uint8_t*) final |
| { |
| EXPECT_EQ(type, ItemType::FillPath); |
| return std::nullopt; |
| } |
| }; |
| |
| class WritingClient : public ItemBufferWritingClient { |
| private: |
| ItemBufferHandle createItemBuffer(size_t capacity) final |
| { |
| EXPECT_LT(capacity, globalItemBufferCapacity); |
| return { globalBufferIdentifier, globalItemBuffer, globalItemBufferCapacity }; |
| } |
| |
| RefPtr<FragmentedSharedBuffer> encodeItemOutOfLine(const DisplayListItem&) const final |
| { |
| return SharedBuffer::create(); |
| } |
| }; |
| |
| TEST(DisplayListTests, OutOfLineItemDecodingFailure) |
| { |
| FloatRect contextBounds { 0, 0, contextWidth, contextHeight }; |
| |
| auto colorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB)); |
| auto cgContext = adoptCF(CGBitmapContextCreate(nullptr, contextWidth, contextHeight, 8, 4 * contextWidth, colorSpace.get(), kCGImageAlphaPremultipliedLast)); |
| GraphicsContextCG context { cgContext.get() }; |
| |
| DisplayList originalList; |
| WritingClient writer; |
| originalList.setItemBufferWritingClient(&writer); |
| |
| Path path; |
| path.moveTo({ 10., 10. }); |
| path.addLineTo({ 50., 50. }); |
| path.addLineTo({ 10., 10. }); |
| originalList.append<SetInlineStrokeColor>(Color::blue); |
| originalList.append<FillPath>(WTFMove(path)); |
| |
| DisplayList shallowCopy {{ ItemBufferHandle { globalBufferIdentifier, globalItemBuffer, originalList.sizeInBytes() } }}; |
| ReadingClient reader; |
| shallowCopy.setItemBufferReadingClient(&reader); |
| |
| Replayer replayer { context, shallowCopy }; |
| auto result = replayer.replay(); |
| EXPECT_GT(result.numberOfBytesRead, 0U); |
| EXPECT_EQ(result.nextDestinationImageBuffer, std::nullopt); |
| EXPECT_EQ(result.missingCachedResourceIdentifier, std::nullopt); |
| EXPECT_EQ(result.reasonForStopping, StopReplayReason::InvalidItemOrExtent); |
| } |
| |
| TEST(DisplayListTests, InlineItemValidationFailure) |
| { |
| FloatRect contextBounds { 0, 0, contextWidth, contextHeight }; |
| |
| auto colorSpace = adoptCF(CGColorSpaceCreateWithName(kCGColorSpaceSRGB)); |
| auto cgContext = adoptCF(CGBitmapContextCreate(nullptr, contextWidth, contextHeight, 8, 4 * contextWidth, colorSpace.get(), kCGImageAlphaPremultipliedLast)); |
| GraphicsContextCG context { cgContext.get() }; |
| |
| auto runTestWithInvalidIdentifier = [&](GraphicsContextFlushIdentifier identifier) { |
| EXPECT_FALSE(identifier.isValid()); |
| |
| DisplayList list; |
| ReadingClient reader; |
| list.setItemBufferReadingClient(&reader); |
| list.append<FlushContext>(identifier); |
| |
| Replayer replayer { context, list }; |
| auto result = replayer.replay(); |
| EXPECT_EQ(result.numberOfBytesRead, 0U); |
| EXPECT_EQ(result.nextDestinationImageBuffer, std::nullopt); |
| EXPECT_EQ(result.missingCachedResourceIdentifier, std::nullopt); |
| EXPECT_EQ(result.reasonForStopping, StopReplayReason::InvalidItemOrExtent); |
| }; |
| |
| runTestWithInvalidIdentifier(GraphicsContextFlushIdentifier { }); |
| runTestWithInvalidIdentifier(GraphicsContextFlushIdentifier { WTF::HashTableDeletedValue }); |
| } |
| |
| } // namespace TestWebKitAPI |
| |
| #endif // USE(CG) |