Attachment 347587 Details for Bug 188750 – Patch

[patch] Patch

bug-188750-20180820174609.patch (text/plain), 27.52 KB, created by Per Arne Vollan on 2018-08-20 17:46:10 PDT

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Creator: Per Arne Vollan

Created: 2018-08-20 17:46:10 PDT

Size: 27.52 KB

patch

obsolete

>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 235078)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,26 @@
>+2018-08-20  Per Arne Vollan  <pvollan@apple.com>
>+
>+        [WebGL] Contexts are not updated when display configuration changed.
>+        https://bugs.webkit.org/show_bug.cgi?id=188750
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Calling CGDisplayRegisterReconfigurationCallback in GraphicsContext3DManager::addContext
>+        returns kCGErrorSuccess when WindowServer access is blocked in the WebContent process,
>+        but the callback function is never called. We should register the callback function in
>+        the UI process, and send a message to the WebContent process when the display
>+        configuration changed.
>+
>+        Test: fast/canvas/webgl/context-update-on-display-configuration.html
>+
>+        * WebCore.xcodeproj/project.pbxproj:
>+        * platform/graphics/GraphicsContext3DManager.cpp:
>+        (WebCore::GraphicsContext3DManager::displayWasReconfigured):
>+        (WebCore::GraphicsContext3DManager::addContext):
>+        (WebCore::GraphicsContext3DManager::removeContext):
>+        (WebCore::displayWasReconfigured): Deleted.
>+        * platform/graphics/GraphicsContext3DManager.h:
>+
> 2018-08-20  Rob Buis  <rbuis@igalia.com>
> 
>         Throw an exception if window.open() gets passed a URL that cannot be parsed
>Index: Source/WebCore/WebCore.xcodeproj/project.pbxproj
>===================================================================
>--- Source/WebCore/WebCore.xcodeproj/project.pbxproj	(revision 235078)
>+++ Source/WebCore/WebCore.xcodeproj/project.pbxproj	(working copy)
>@@ -4129,7 +4129,7 @@
> 		D05CED2A0A40BB2C00C5AF38 /* FormatBlockCommand.h in Headers */ = {isa = PBXBuildFile; fileRef = D05CED280A40BB2C00C5AF38 /* FormatBlockCommand.h */; };
> 		D06C0D8F0CFD11460065F43F /* RemoveFormatCommand.h in Headers */ = {isa = PBXBuildFile; fileRef = D06C0D8D0CFD11460065F43F /* RemoveFormatCommand.h */; };
> 		D07DEABA0A36554A00CA30F8 /* InsertListCommand.h in Headers */ = {isa = PBXBuildFile; fileRef = D07DEAB80A36554A00CA30F8 /* InsertListCommand.h */; };
>-		D0843A4B20FEBE3D00FE860E /* GraphicsContext3DManager.h in Headers */ = {isa = PBXBuildFile; fileRef = D0843A4A20FEBE3D00FE860E /* GraphicsContext3DManager.h */; };
>+		D0843A4B20FEBE3D00FE860E /* GraphicsContext3DManager.h in Headers */ = {isa = PBXBuildFile; fileRef = D0843A4A20FEBE3D00FE860E /* GraphicsContext3DManager.h */; settings = {ATTRIBUTES = (Private, ); }; };
> 		D0843A4D20FEC16500FE860E /* GraphicsContext3DManager.cpp in Sources */ = {isa = PBXBuildFile; fileRef = D0843A4C20FEC16500FE860E /* GraphicsContext3DManager.cpp */; };
> 		D086FE9809D53AAB005BC74D /* UnlinkCommand.h in Headers */ = {isa = PBXBuildFile; fileRef = D086FE9609D53AAB005BC74D /* UnlinkCommand.h */; };
> 		D08B00E220A282490004BC0A /* WebGLCompressedTextureASTC.cpp in Sources */ = {isa = PBXBuildFile; fileRef = D0A20D562092A0A600E0C259 /* WebGLCompressedTextureASTC.cpp */; };
>Index: Source/WebCore/platform/graphics/GraphicsContext3DManager.cpp
>===================================================================
>--- Source/WebCore/platform/graphics/GraphicsContext3DManager.cpp	(revision 235078)
>+++ Source/WebCore/platform/graphics/GraphicsContext3DManager.cpp	(working copy)
>@@ -123,7 +123,7 @@ GraphicsContext3DManager& GraphicsContex
> }
> 
> #if PLATFORM(MAC)
>-static void displayWasReconfigured(CGDirectDisplayID, CGDisplayChangeSummaryFlags flags, void*)
>+void GraphicsContext3DManager::displayWasReconfigured(CGDirectDisplayID, CGDisplayChangeSummaryFlags flags, void*)
> {
>     if (flags & kCGDisplaySetModeFlag)
>         GraphicsContext3DManager::sharedManager().updateAllContexts();
>@@ -158,7 +158,7 @@ void GraphicsContext3DManager::addContex
>     if (!context)
>         return;
>     
>-#if PLATFORM(MAC)
>+#if PLATFORM(MAC) && !ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
>     if (!m_contexts.size())
>         CGDisplayRegisterReconfigurationCallback(displayWasReconfigured, nullptr);
> #endif
>@@ -175,7 +175,7 @@ void GraphicsContext3DManager::removeCon
>     m_contextWindowMap.remove(context);
>     removeContextRequiringHighPerformance(context);
>     
>-#if PLATFORM(MAC)
>+#if PLATFORM(MAC) && !ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
>     if (!m_contexts.size())
>         CGDisplayRemoveReconfigurationCallback(displayWasReconfigured, nullptr);
> #endif
>Index: Source/WebCore/platform/graphics/GraphicsContext3DManager.h
>===================================================================
>--- Source/WebCore/platform/graphics/GraphicsContext3DManager.h	(revision 235078)
>+++ Source/WebCore/platform/graphics/GraphicsContext3DManager.h	(working copy)
>@@ -25,11 +25,12 @@
> 
> #pragma once
> 
>-#include <Timer.h>
>+#include <WebCore/Timer.h>
> #include <wtf/HashMap.h>
> #include <wtf/HashSet.h>
> 
> #if PLATFORM(MAC)
>+#include <CoreGraphics/CGDisplayConfiguration.h>
> #include <OpenGL/CGLTypes.h>
> #endif
> 
>@@ -65,6 +66,7 @@ public:
> 
> #if PLATFORM(MAC)
>     void screenDidChange(PlatformDisplayID, const HostWindow*);
>+    WEBCORE_EXPORT static void displayWasReconfigured(CGDirectDisplayID, CGDisplayChangeSummaryFlags, void*);
> #endif
>     
> private:
>Index: Source/WebKit/ChangeLog
>===================================================================
>--- Source/WebKit/ChangeLog	(revision 235100)
>+++ Source/WebKit/ChangeLog	(working copy)
>@@ -1,3 +1,29 @@
>+2018-08-20  Per Arne Vollan  <pvollan@apple.com>
>+
>+        [WebGL] Contexts are not updated when display configuration changed.
>+        https://bugs.webkit.org/show_bug.cgi?id=188750
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Calling CGDisplayRegisterReconfigurationCallback in GraphicsContext3DManager::addContext
>+        returns kCGErrorSuccess when WindowServer access is blocked in the WebContent process,
>+        but the callback function is never called. We should register the callback function in
>+        the UI process, and send a message to the WebContent process when the display
>+        configuration changed.
>+
>+        * UIProcess/API/C/mac/WKMockDisplay.cpp: Added.
>+        (WKSendDisplayConfigurationChangedMessageForTesting):
>+        * UIProcess/API/C/mac/WKMockDisplay.h: Added.
>+        * UIProcess/WebProcessPool.cpp:
>+        (WebKit::displayReconfigurationCallBack):
>+        (WebKit::WebProcessPool::sendDisplayConfigurationChangedMessageForTesting):
>+        * UIProcess/WebProcessPool.h:
>+        * WebKit.xcodeproj/project.pbxproj:
>+        * WebProcess/WebProcess.h:
>+        * WebProcess/WebProcess.messages.in:
>+        * WebProcess/cocoa/WebProcessCocoa.mm:
>+        (WebKit::WebProcess::displayConfigurationChanged):
>+
> 2018-08-20  Michael Catanzaro  <mcatanzaro@igalia.com>
> 
>         [CMake] Sync unified build with Cocoa ports
>Index: Source/WebKit/UIProcess/WebProcessPool.cpp
>===================================================================
>--- Source/WebKit/UIProcess/WebProcessPool.cpp	(revision 235078)
>+++ Source/WebKit/UIProcess/WebProcessPool.cpp	(working copy)
>@@ -831,8 +831,12 @@ RefPtr<WebProcessProxy> WebProcessPool::
> static void displayReconfigurationCallBack(CGDirectDisplayID display, CGDisplayChangeSummaryFlags flags, void *userInfo)
> {
>     auto screenProperties = WebCore::collectScreenProperties();
>-    for (auto& processPool : WebProcessPool::allProcessPools())
>+    for (auto& processPool : WebProcessPool::allProcessPools()) {
>         processPool->sendToAllProcesses(Messages::WebProcess::SetScreenProperties(screenProperties));
>+#if ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
>+        processPool->sendToAllProcesses(Messages::WebProcess::DisplayConfigurationChanged(display, flags));
>+#endif
>+    }
> }
> 
> static void registerDisplayConfigurationCallback()
>@@ -2292,4 +2296,18 @@ void WebProcessPool::resetMockMediaDevic
> #endif
> }
> 
>+void WebProcessPool::sendDisplayConfigurationChangedMessageForTesting()
>+{
>+#if PLATFORM(MAC) && ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
>+    auto display = CGSMainDisplayID();
>+
>+    for (auto& processPool : WebProcessPool::allProcessPools()) {
>+        processPool->sendToAllProcesses(Messages::WebProcess::DisplayConfigurationChanged(display, kCGDisplayBeginConfigurationFlag));
>+        processPool->sendToAllProcesses(Messages::WebProcess::DisplayConfigurationChanged(display, kCGDisplaySetModeFlag | kCGDisplayDesktopShapeChangedFlag));
>+    }
>+#else
>+    ASSERT_NOT_REACHED();
>+#endif
>+}
>+
> } // namespace WebKit
>Index: Source/WebKit/UIProcess/WebProcessPool.h
>===================================================================
>--- Source/WebKit/UIProcess/WebProcessPool.h	(revision 235078)
>+++ Source/WebKit/UIProcess/WebProcessPool.h	(working copy)
>@@ -472,6 +472,8 @@ public:
>     void removeMockMediaDevice(const String& persistentId);
>     void resetMockMediaDevices();
> 
>+    void sendDisplayConfigurationChangedMessageForTesting();
>+
> private:
>     void platformInitialize();
> 
>Index: Source/WebKit/UIProcess/API/C/mac/WKMockDisplay.cpp
>===================================================================
>--- Source/WebKit/UIProcess/API/C/mac/WKMockDisplay.cpp	(nonexistent)
>+++ Source/WebKit/UIProcess/API/C/mac/WKMockDisplay.cpp	(working copy)
>@@ -0,0 +1,39 @@
>+/*
>+ * 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. ``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
>+ * 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 "WKMockDisplay.h"
>+
>+#include "WKAPICast.h"
>+#include "WKString.h"
>+#include "WebProcessPool.h"
>+
>+using namespace WebKit;
>+
>+void WKSendDisplayConfigurationChangedMessageForTesting(WKContextRef context)
>+{
>+    toImpl(context)->sendDisplayConfigurationChangedMessageForTesting();
>+}
>Index: Source/WebKit/UIProcess/API/C/mac/WKMockDisplay.h
>===================================================================
>--- Source/WebKit/UIProcess/API/C/mac/WKMockDisplay.h	(nonexistent)
>+++ Source/WebKit/UIProcess/API/C/mac/WKMockDisplay.h	(working copy)
>@@ -0,0 +1,39 @@
>+/*
>+ * 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. ``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
>+ * 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
>+
>+#include <WebKit/WKBase.h>
>+
>+#ifdef __cplusplus
>+extern "C" {
>+#endif
>+    
>+    WK_EXPORT void WKSendDisplayConfigurationChangedMessageForTesting(WKContextRef);
>+    
>+#ifdef __cplusplus
>+}
>+#endif
>Index: Source/WebKit/WebKit.xcodeproj/project.pbxproj
>===================================================================
>--- Source/WebKit/WebKit.xcodeproj/project.pbxproj	(revision 235078)
>+++ Source/WebKit/WebKit.xcodeproj/project.pbxproj	(working copy)
>@@ -2021,6 +2021,8 @@
> 		C0CE72A11247E71D00BC0EC4 /* WebPageMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = C0CE729F1247E71D00BC0EC4 /* WebPageMessages.h */; };
> 		C0CE72AD1247E78D00BC0EC4 /* HandleMessage.h in Headers */ = {isa = PBXBuildFile; fileRef = C0CE72AC1247E78D00BC0EC4 /* HandleMessage.h */; };
> 		C0E3AA7C1209E83C00A49D01 /* Module.h in Headers */ = {isa = PBXBuildFile; fileRef = C0E3AA441209E2BA00A49D01 /* Module.h */; };
>+		C11E1694212B87C500985FF6 /* WKMockDisplay.h in Headers */ = {isa = PBXBuildFile; fileRef = C11E1692212B87C500985FF6 /* WKMockDisplay.h */; settings = {ATTRIBUTES = (Private, ); }; };
>+		C11E1695212B87C500985FF6 /* WKMockDisplay.cpp in Sources */ = {isa = PBXBuildFile; fileRef = C11E1693212B87C500985FF6 /* WKMockDisplay.cpp */; };
> 		C181735F205839F600DFDA65 /* DrawingAreaMac.cpp in Sources */ = {isa = PBXBuildFile; fileRef = C181735E205839F600DFDA65 /* DrawingAreaMac.cpp */; };
> 		C18173612058424700DFDA65 /* DisplayLink.h in Headers */ = {isa = PBXBuildFile; fileRef = C18173602058424700DFDA65 /* DisplayLink.h */; };
> 		C1817363205844A900DFDA65 /* DisplayLink.cpp in Sources */ = {isa = PBXBuildFile; fileRef = C1817362205844A900DFDA65 /* DisplayLink.cpp */; };
>@@ -4795,6 +4797,8 @@
> 		C0E3AA441209E2BA00A49D01 /* Module.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Module.h; sourceTree = "<group>"; };
> 		C0E3AA451209E2BA00A49D01 /* Module.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Module.cpp; sourceTree = "<group>"; };
> 		C0E3AA481209E45000A49D01 /* ModuleCF.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ModuleCF.cpp; sourceTree = "<group>"; };
>+		C11E1692212B87C500985FF6 /* WKMockDisplay.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = WKMockDisplay.h; path = mac/WKMockDisplay.h; sourceTree = "<group>"; };
>+		C11E1693212B87C500985FF6 /* WKMockDisplay.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = WKMockDisplay.cpp; path = mac/WKMockDisplay.cpp; sourceTree = "<group>"; };
> 		C181735E205839F600DFDA65 /* DrawingAreaMac.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = DrawingAreaMac.cpp; sourceTree = "<group>"; };
> 		C18173602058424700DFDA65 /* DisplayLink.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DisplayLink.h; sourceTree = "<group>"; };
> 		C1817362205844A900DFDA65 /* DisplayLink.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = DisplayLink.cpp; sourceTree = "<group>"; };
>@@ -7334,6 +7338,8 @@
> 				9FB5F393169E6A80002C25BF /* WKContextPrivateMac.h */,
> 				9FB5F392169E6A80002C25BF /* WKContextPrivateMac.mm */,
> 				6EE849C61368D92D0038D481 /* WKInspectorPrivateMac.h */,
>+				C11E1693212B87C500985FF6 /* WKMockDisplay.cpp */,
>+				C11E1692212B87C500985FF6 /* WKMockDisplay.h */,
> 				BCE17B7C1381F1170012A641 /* WKPagePrivateMac.h */,
> 				BCE17B7B1381F1170012A641 /* WKPagePrivateMac.mm */,
> 				5272D4C71E735F0900EB4290 /* WKProtectionSpaceNS.h */,
>@@ -10105,6 +10111,7 @@
> 				C98C48AA1B6FD5B500145103 /* WKMediaSessionFocusManager.h in Headers */,
> 				C9CD439D1B4B024F00239E33 /* WKMediaSessionMetadata.h in Headers */,
> 				1AB40EE61BF677E300BA81BE /* WKMenuItemIdentifiersPrivate.h in Headers */,
>+				C11E1694212B87C500985FF6 /* WKMockDisplay.h in Headers */,
> 				411A8DDB20DDD1AC0060D34F /* WKMockMediaDevice.h in Headers */,
> 				BC4075FE124FF0270068F20A /* WKMutableArray.h in Headers */,
> 				BC407600124FF0270068F20A /* WKMutableDictionary.h in Headers */,
>@@ -11985,6 +11992,7 @@
> 				C98C48A91B6FD5B500145103 /* WKMediaSessionFocusManager.cpp in Sources */,
> 				C9CD439E1B4B025300239E33 /* WKMediaSessionMetadata.cpp in Sources */,
> 				1AB40EE51BF677E300BA81BE /* WKMenuItemIdentifiers.mm in Sources */,
>+				C11E1695212B87C500985FF6 /* WKMockDisplay.cpp in Sources */,
> 				411A8DDC20DDD23F0060D34F /* WKMockMediaDevice.cpp in Sources */,
> 				BC4075FD124FF0270068F20A /* WKMutableArray.cpp in Sources */,
> 				BC4075FF124FF0270068F20A /* WKMutableDictionary.cpp in Sources */,
>Index: Source/WebKit/WebProcess/WebProcess.h
>===================================================================
>--- Source/WebKit/WebProcess/WebProcess.h	(revision 235078)
>+++ Source/WebKit/WebProcess/WebProcess.h	(working copy)
>@@ -383,6 +383,7 @@ private:
>     void setScreenProperties(const WebCore::ScreenProperties&);
> #if ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
>     void scrollerStylePreferenceChanged(bool useOverlayScrollbars);
>+    void displayConfigurationChanged(CGDirectDisplayID, CGDisplayChangeSummaryFlags);
> #endif
> #endif
> 
>Index: Source/WebKit/WebProcess/WebProcess.messages.in
>===================================================================
>--- Source/WebKit/WebProcess/WebProcess.messages.in	(revision 235078)
>+++ Source/WebKit/WebProcess/WebProcess.messages.in	(working copy)
>@@ -133,6 +133,7 @@ messages -> WebProcess LegacyReceiver {
>     SetScreenProperties(struct WebCore::ScreenProperties screenProperties)
> #if ENABLE(WEBPROCESS_WINDOWSERVER_BLOCKING)
>     ScrollerStylePreferenceChanged(bool useOvelayScrollbars)
>+    DisplayConfigurationChanged(CGDirectDisplayID displayID, CGDisplayChangeSummaryFlags flags)
> #endif
> #endif
> 
>Index: Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm
>===================================================================
>--- Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm	(revision 235078)
>+++ Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm	(working copy)
>@@ -86,6 +86,7 @@
> #endif
> 
> #if PLATFORM(MAC)
>+#import <WebCore/GraphicsContext3DManager.h>
> #import <WebCore/ScrollbarThemeMac.h>
> #import <pal/spi/mac/NSScrollerImpSPI.h>
> #endif
>@@ -601,7 +602,12 @@ void WebProcess::scrollerStylePreference
>     NSScrollerStyle style = useOverlayScrollbars ? NSScrollerStyleOverlay : NSScrollerStyleLegacy;
>     [NSScrollerImpPair _updateAllScrollerImpPairsForNewRecommendedScrollerStyle:style];
> }
>-#endif    
>+
>+void WebProcess::displayConfigurationChanged(CGDirectDisplayID displayID, CGDisplayChangeSummaryFlags flags)
>+{
>+    GraphicsContext3DManager::displayWasReconfigured(displayID, flags, nullptr);
>+}
>+#endif
> 
> void WebProcess::setMediaMIMETypes(const Vector<String> types)
> {
>Index: Tools/ChangeLog
>===================================================================
>--- Tools/ChangeLog	(revision 235100)
>+++ Tools/ChangeLog	(working copy)
>@@ -1,3 +1,20 @@
>+2018-08-20  Per Arne Vollan  <pvollan@apple.com>
>+
>+        [WebGL] Contexts are not updated when display configuration changed.
>+        https://bugs.webkit.org/show_bug.cgi?id=188750
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl:
>+        * WebKitTestRunner/InjectedBundle/TestRunner.cpp:
>+        (WTR::TestRunner::sendDisplayConfigurationChangedMessageForTesting):
>+        * WebKitTestRunner/InjectedBundle/TestRunner.h:
>+        * WebKitTestRunner/TestController.cpp:
>+        (WTR::TestController::sendDisplayConfigurationChangedMessageForTesting):
>+        * WebKitTestRunner/TestController.h:
>+        * WebKitTestRunner/TestInvocation.cpp:
>+        (WTR::TestInvocation::didReceiveSynchronousMessageFromInjectedBundle):
>+
> 2018-08-20  Jonathan Bedard  <jbedard@apple.com>
> 
>         WebKitTestRunner: Add watchOS entitlements
>Index: Tools/WebKitTestRunner/TestController.cpp
>===================================================================
>--- Tools/WebKitTestRunner/TestController.cpp	(revision 235078)
>+++ Tools/WebKitTestRunner/TestController.cpp	(working copy)
>@@ -43,6 +43,7 @@
> #include <WebKit/WKFrameHandleRef.h>
> #include <WebKit/WKFrameInfoRef.h>
> #include <WebKit/WKIconDatabase.h>
>+#include <WebKit/WKMockDisplay.h>
> #include <WebKit/WKMockMediaDevice.h>
> #include <WebKit/WKNavigationResponseRef.h>
> #include <WebKit/WKNotification.h>
>@@ -2960,4 +2961,9 @@ void TestController::injectUserScript(WK
> 
> #endif
> 
>+void TestController::sendDisplayConfigurationChangedMessageForTesting()
>+{
>+    WKSendDisplayConfigurationChangedMessageForTesting(platformContext());
>+}
>+
> } // namespace WTR
>Index: Tools/WebKitTestRunner/TestController.h
>===================================================================
>--- Tools/WebKitTestRunner/TestController.h	(revision 235078)
>+++ Tools/WebKitTestRunner/TestController.h	(working copy)
>@@ -218,6 +218,8 @@ public:
>     void resetMockMediaDevices();
> 
>     void injectUserScript(WKStringRef);
>+    
>+    void sendDisplayConfigurationChangedMessageForTesting();
> 
> private:
>     WKRetainPtr<WKPageConfigurationRef> generatePageConfiguration(WKContextConfigurationRef);
>Index: Tools/WebKitTestRunner/TestInvocation.cpp
>===================================================================
>--- Tools/WebKitTestRunner/TestInvocation.cpp	(revision 235078)
>+++ Tools/WebKitTestRunner/TestInvocation.cpp	(working copy)
>@@ -1415,6 +1415,11 @@ WKRetainPtr<WKTypeRef> TestInvocation::d
>         return nullptr;
>     }
> 
>+    if (WKStringIsEqualToUTF8CString(messageName, "SendDisplayConfigurationChangedMessageForTesting")) {
>+        TestController::singleton().sendDisplayConfigurationChangedMessageForTesting();
>+        return nullptr;
>+    }
>+
>     ASSERT_NOT_REACHED();
>     return nullptr;
> }
>Index: Tools/WebKitTestRunner/InjectedBundle/TestRunner.cpp
>===================================================================
>--- Tools/WebKitTestRunner/InjectedBundle/TestRunner.cpp	(revision 235078)
>+++ Tools/WebKitTestRunner/InjectedBundle/TestRunner.cpp	(working copy)
>@@ -2296,4 +2296,10 @@ void TestRunner::injectUserScript(JSStri
>     WKBundlePagePostSynchronousMessageForTesting(InjectedBundle::singleton().page()->page(), messageName.get(), messageBody.get(), &returnData);
> }
> 
>+void TestRunner::sendDisplayConfigurationChangedMessageForTesting()
>+{
>+    WKRetainPtr<WKStringRef> messageName(AdoptWK, WKStringCreateWithUTF8CString("SendDisplayConfigurationChangedMessageForTesting"));
>+    WKBundlePostSynchronousMessage(InjectedBundle::singleton().bundle(), messageName.get(), nullptr, nullptr);
>+}
>+
> } // namespace WTR
>Index: Tools/WebKitTestRunner/InjectedBundle/TestRunner.h
>===================================================================
>--- Tools/WebKitTestRunner/InjectedBundle/TestRunner.h	(revision 235078)
>+++ Tools/WebKitTestRunner/InjectedBundle/TestRunner.h	(working copy)
>@@ -461,6 +461,8 @@ public:
>     size_t userScriptInjectedCount() const;
>     void injectUserScript(JSStringRef);
> 
>+    void sendDisplayConfigurationChangedMessageForTesting();
>+
> private:
>     TestRunner();
> 
>Index: Tools/WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl
>===================================================================
>--- Tools/WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl	(revision 235078)
>+++ Tools/WebKitTestRunner/InjectedBundle/Bindings/TestRunner.idl	(working copy)
>@@ -344,4 +344,6 @@ interface TestRunner {
> 
>     void injectUserScript(DOMString string);
>     readonly attribute unsigned long userScriptInjectedCount;
>+
>+    void sendDisplayConfigurationChangedMessageForTesting();
> };
>Index: LayoutTests/ChangeLog
>===================================================================
>--- LayoutTests/ChangeLog	(revision 235100)
>+++ LayoutTests/ChangeLog	(working copy)
>@@ -1,3 +1,15 @@
>+2018-08-20  Per Arne Vollan  <pvollan@apple.com>
>+
>+        [WebGL] Contexts are not updated when display configuration changed.
>+        https://bugs.webkit.org/show_bug.cgi?id=188750
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * TestExpectations:
>+        * fast/canvas/webgl/context-update-on-display-configuration-expected.txt: Added.
>+        * fast/canvas/webgl/context-update-on-display-configuration.html: Added.
>+        * platform/mac-wk2/TestExpectations:
>+
> 2018-08-20  Jeremy Jones  <jeremyj@apple.com>
> 
>         Enable ios media tests that were blocked on user gesture.
>Index: LayoutTests/TestExpectations
>===================================================================
>--- LayoutTests/TestExpectations	(revision 235078)
>+++ LayoutTests/TestExpectations	(working copy)
>@@ -2222,3 +2222,6 @@ webkit.org/b/187762 http/tests/websocket
> webkit.org/b/187269 [ Debug ] imported/w3c/web-platform-tests/FileAPI/reading-data-section/filereader_abort.html [ Skip ]
> 
> webkit.org/b/185308 legacy-animation-engine/animations/combo-transform-translate+scale.html [ Pass Failure ]
>+
>+# This test is currently only relevant on mac-wk2
>+fast/canvas/webgl/context-update-on-display-configuration.html [ Skip ]
>Index: LayoutTests/fast/canvas/webgl/context-update-on-display-configuration-expected.txt
>===================================================================
>--- LayoutTests/fast/canvas/webgl/context-update-on-display-configuration-expected.txt	(nonexistent)
>+++ LayoutTests/fast/canvas/webgl/context-update-on-display-configuration-expected.txt	(working copy)
>@@ -0,0 +1,9 @@
>+Tests that context is updated when display configuration changes.
>+
>+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
>+
>+
>+PASS successfullyParsed is true
>+
>+TEST COMPLETE
>+
>Index: LayoutTests/fast/canvas/webgl/context-update-on-display-configuration.html
>===================================================================
>--- LayoutTests/fast/canvas/webgl/context-update-on-display-configuration.html	(nonexistent)
>+++ LayoutTests/fast/canvas/webgl/context-update-on-display-configuration.html	(working copy)
>@@ -0,0 +1,39 @@
>+<html>
>+<head>
>+<style>
>+#example {
>+  width: 100%;
>+  height: 100%;
>+}
>+</style>
>+<script src="../../../resources/js-test.js"></script>
>+<script src="resources/webgl-test-utils.js"> </script>
>+<script>
>+description('Tests that context is updated when display configuration changes.');
>+
>+function start()
>+{
>+    if (window.testRunner) {
>+        testRunner.dumpAsText();
>+        testRunner.waitUntilDone();
>+    }
>+    
>+    var canvas = document.getElementById('example');
>+    var gl = WebGLTestUtils.create3DContext(canvas);
>+
>+    canvas.addEventListener('webglcontextchanged', function(e) {
>+                            if (window.testRunner)
>+                                testRunner.notifyDone();
>+                            }, false);
>+    
>+    if (window.testRunner)
>+        testRunner.sendDisplayConfigurationChangedMessageForTesting();
>+}
>+</script>
>+</head>
>+
>+<body onload="start()">
>+    <canvas id="example"></canvas>
>+</body>
>+</html>
>+
>Index: LayoutTests/platform/mac-wk2/TestExpectations
>===================================================================
>--- LayoutTests/platform/mac-wk2/TestExpectations	(revision 235078)
>+++ LayoutTests/platform/mac-wk2/TestExpectations	(working copy)
>@@ -846,3 +846,5 @@ webkit.org/b/183705 http/tests/workers/s
> webkit.org/b/183705 http/tests/workers/service/serviceworkerclients-matchAll.https.html [ Pass Failure ]
> 
> webkit.org/b/187658 http/tests/security/bypassing-cors-checks-for-extension-urls.html [ Pass Failure ]
>+
>+fast/canvas/webgl/context-update-on-display-configuration.html [ Pass ]

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