| /* |
| * 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 "RemoteResourceCacheProxy.h" |
| |
| #if ENABLE(GPU_PROCESS) |
| |
| #include "ArgumentCoders.h" |
| #include "RemoteRenderingBackendProxy.h" |
| |
| namespace WebKit { |
| using namespace WebCore; |
| |
| RemoteResourceCacheProxy::RemoteResourceCacheProxy(RemoteRenderingBackendProxy& remoteRenderingBackendProxy) |
| : m_remoteRenderingBackendProxy(remoteRenderingBackendProxy) |
| { |
| } |
| |
| RemoteResourceCacheProxy::~RemoteResourceCacheProxy() |
| { |
| clearNativeImageMap(); |
| clearImageBufferBackends(); |
| clearDecomposedGlyphsMap(); |
| } |
| |
| void RemoteResourceCacheProxy::cacheImageBuffer(WebCore::ImageBuffer& imageBuffer) |
| { |
| auto addResult = m_imageBuffers.add(imageBuffer.renderingResourceIdentifier(), imageBuffer); |
| ASSERT_UNUSED(addResult, addResult.isNewEntry); |
| } |
| |
| ImageBuffer* RemoteResourceCacheProxy::cachedImageBuffer(RenderingResourceIdentifier renderingResourceIdentifier) const |
| { |
| return m_imageBuffers.get(renderingResourceIdentifier).get(); |
| } |
| |
| void RemoteResourceCacheProxy::releaseImageBuffer(RenderingResourceIdentifier renderingResourceIdentifier) |
| { |
| auto iterator = m_imageBuffers.find(renderingResourceIdentifier); |
| RELEASE_ASSERT(iterator != m_imageBuffers.end()); |
| |
| auto success = m_imageBuffers.remove(iterator); |
| ASSERT_UNUSED(success, success); |
| |
| m_remoteRenderingBackendProxy.releaseRemoteResource(renderingResourceIdentifier); |
| } |
| |
| inline static RefPtr<ShareableBitmap> createShareableBitmapFromNativeImage(NativeImage& image) |
| { |
| auto imageSize = image.size(); |
| |
| auto bitmap = ShareableBitmap::create(image.size(), { image.colorSpace() }); |
| if (!bitmap) |
| return nullptr; |
| |
| auto context = bitmap->createGraphicsContext(); |
| if (!context) |
| return nullptr; |
| |
| context->drawNativeImage(image, imageSize, FloatRect({ }, imageSize), FloatRect({ }, imageSize), { WebCore::CompositeOperator::Copy }); |
| return bitmap; |
| } |
| |
| void RemoteResourceCacheProxy::recordImageBufferUse(WebCore::ImageBuffer& imageBuffer) |
| { |
| auto iterator = m_imageBuffers.find(imageBuffer.renderingResourceIdentifier()); |
| ASSERT_UNUSED(iterator, iterator != m_imageBuffers.end()); |
| } |
| |
| void RemoteResourceCacheProxy::recordNativeImageUse(NativeImage& image) |
| { |
| auto iterator = m_nativeImages.find(image.renderingResourceIdentifier()); |
| if (iterator != m_nativeImages.end()) |
| return; |
| |
| auto bitmap = createShareableBitmapFromNativeImage(image); |
| if (!bitmap) |
| return; |
| |
| ShareableBitmap::Handle handle; |
| bitmap->createHandle(handle); |
| if (handle.isNull()) |
| return; |
| |
| handle.takeOwnershipOfMemory(MemoryLedger::Graphics); |
| m_nativeImages.add(image.renderingResourceIdentifier(), image); |
| |
| // Set itself as an observer to NativeImage, so releaseNativeImage() |
| // gets called when NativeImage is being deleleted. |
| image.addObserver(*this); |
| |
| // Tell the GPU process to cache this resource. |
| m_remoteRenderingBackendProxy.cacheNativeImage(handle, image.renderingResourceIdentifier()); |
| } |
| |
| void RemoteResourceCacheProxy::recordFontUse(Font& font) |
| { |
| auto result = m_fonts.add(font.renderingResourceIdentifier(), m_remoteRenderingBackendProxy.renderingUpdateID()); |
| |
| if (result.isNewEntry) { |
| m_remoteRenderingBackendProxy.cacheFont(font); |
| ++m_numberOfFontsUsedInCurrentRenderingUpdate; |
| return; |
| } |
| |
| auto& currentState = result.iterator->value; |
| if (currentState != m_remoteRenderingBackendProxy.renderingUpdateID()) { |
| currentState = m_remoteRenderingBackendProxy.renderingUpdateID(); |
| ++m_numberOfFontsUsedInCurrentRenderingUpdate; |
| } |
| } |
| |
| void RemoteResourceCacheProxy::recordDecomposedGlyphsUse(DecomposedGlyphs& decomposedGlyphs) |
| { |
| if (m_decomposedGlyphs.add(decomposedGlyphs.renderingResourceIdentifier(), decomposedGlyphs).isNewEntry) { |
| decomposedGlyphs.addObserver(*this); |
| m_remoteRenderingBackendProxy.cacheDecomposedGlyphs(decomposedGlyphs); |
| } |
| } |
| |
| void RemoteResourceCacheProxy::releaseNativeImage(RenderingResourceIdentifier renderingResourceIdentifier) |
| { |
| auto iterator = m_nativeImages.find(renderingResourceIdentifier); |
| RELEASE_ASSERT(iterator != m_nativeImages.end()); |
| |
| auto success = m_nativeImages.remove(iterator); |
| ASSERT_UNUSED(success, success); |
| |
| m_remoteRenderingBackendProxy.releaseRemoteResource(renderingResourceIdentifier); |
| } |
| |
| void RemoteResourceCacheProxy::clearNativeImageMap() |
| { |
| for (auto& nativeImageState : m_nativeImages.values()) |
| nativeImageState->removeObserver(*this); |
| m_nativeImages.clear(); |
| } |
| |
| void RemoteResourceCacheProxy::prepareForNextRenderingUpdate() |
| { |
| m_numberOfFontsUsedInCurrentRenderingUpdate = 0; |
| } |
| |
| void RemoteResourceCacheProxy::releaseDecomposedGlyphs(RenderingResourceIdentifier renderingResourceIdentifier) |
| { |
| bool removed = m_decomposedGlyphs.remove(renderingResourceIdentifier); |
| RELEASE_ASSERT(removed); |
| m_remoteRenderingBackendProxy.releaseRemoteResource(renderingResourceIdentifier); |
| } |
| |
| void RemoteResourceCacheProxy::releaseAllRemoteFonts() |
| { |
| for (auto& fontState : m_fonts) |
| m_remoteRenderingBackendProxy.releaseRemoteResource(fontState.key); |
| } |
| |
| void RemoteResourceCacheProxy::clearFontMap() |
| { |
| m_fonts.clear(); |
| m_numberOfFontsUsedInCurrentRenderingUpdate = 0; |
| } |
| |
| void RemoteResourceCacheProxy::clearImageBufferBackends() |
| { |
| // Get a copy of m_imageBuffers.values() because clearBackend() |
| // may release some of the cached ImageBuffers. |
| for (auto& imageBuffer : copyToVector(m_imageBuffers.values())) { |
| if (!imageBuffer) |
| continue; |
| imageBuffer->clearBackend(); |
| } |
| } |
| |
| void RemoteResourceCacheProxy::clearDecomposedGlyphsMap() |
| { |
| m_decomposedGlyphs.clear(); |
| } |
| |
| void RemoteResourceCacheProxy::finalizeRenderingUpdateForFonts() |
| { |
| static constexpr unsigned minimumRenderingUpdateCountToKeepFontAlive = 4; |
| |
| unsigned totalFontCount = m_fonts.size(); |
| RELEASE_ASSERT(m_numberOfFontsUsedInCurrentRenderingUpdate <= totalFontCount); |
| if (totalFontCount == m_numberOfFontsUsedInCurrentRenderingUpdate) |
| return; |
| |
| HashSet<WebCore::RenderingResourceIdentifier> toRemove; |
| auto renderingUpdateID = m_remoteRenderingBackendProxy.renderingUpdateID(); |
| for (auto& item : m_fonts) { |
| if (renderingUpdateID - item.value >= minimumRenderingUpdateCountToKeepFontAlive) { |
| toRemove.add(item.key); |
| m_remoteRenderingBackendProxy.releaseRemoteResource(item.key); |
| } |
| } |
| |
| m_fonts.removeIf([&](const auto& bucket) { |
| return toRemove.contains(bucket.key); |
| }); |
| } |
| |
| void RemoteResourceCacheProxy::finalizeRenderingUpdate() |
| { |
| finalizeRenderingUpdateForFonts(); |
| prepareForNextRenderingUpdate(); |
| } |
| |
| void RemoteResourceCacheProxy::remoteResourceCacheWasDestroyed() |
| { |
| clearNativeImageMap(); |
| clearFontMap(); |
| clearImageBufferBackends(); |
| clearDecomposedGlyphsMap(); |
| |
| for (auto& imageBuffer : m_imageBuffers.values()) { |
| if (!imageBuffer) |
| continue; |
| m_remoteRenderingBackendProxy.createRemoteImageBuffer(*imageBuffer); |
| } |
| } |
| |
| void RemoteResourceCacheProxy::releaseMemory() |
| { |
| releaseAllRemoteFonts(); |
| clearFontMap(); |
| m_remoteRenderingBackendProxy.deleteAllFonts(); |
| } |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(GPU_PROCESS) |