1 /* vim: se cin sw=2 ts=2 et : */ 2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- 3 * 4 * This Source Code Form is subject to the terms of the Mozilla Public 5 * License, v. 2.0. If a copy of the MPL was not distributed with this 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 7 8 #ifndef __mozilla_widget_GfxInfoBase_h__ 9 #define __mozilla_widget_GfxInfoBase_h__ 10 11 #include "GfxDriverInfo.h" 12 #include "GfxInfoCollector.h" 13 #include "gfxFeature.h" 14 #include "gfxTelemetry.h" 15 #include "js/Value.h" 16 #include "mozilla/Attributes.h" 17 #include "mozilla/Maybe.h" 18 #include "mozilla/Mutex.h" 19 #include "mozilla/dom/PContentParent.h" 20 #include "nsCOMPtr.h" 21 #include "nsIGfxInfo.h" 22 #include "nsIGfxInfoDebug.h" 23 #include "nsIObserver.h" 24 #include "nsString.h" 25 #include "nsTArray.h" 26 #include "nsWeakReference.h" 27 28 namespace mozilla { 29 namespace widget { 30 31 class GfxInfoBase : public nsIGfxInfo, 32 public nsIObserver, 33 public nsSupportsWeakReference 34 #ifdef DEBUG 35 , 36 public nsIGfxInfoDebug 37 #endif 38 { 39 public: 40 GfxInfoBase(); 41 42 NS_DECL_THREADSAFE_ISUPPORTS 43 NS_DECL_NSIOBSERVER 44 45 // We only declare a subset of the nsIGfxInfo interface. It's up to derived 46 // classes to implement the rest of the interface. 47 // Derived classes need to use 48 // using GfxInfoBase::GetFeatureStatus; 49 // using GfxInfoBase::GetFeatureSuggestedDriverVersion; 50 // to import the relevant methods into their namespace. 51 NS_IMETHOD GetFeatureStatus(int32_t aFeature, nsACString& aFailureId, 52 int32_t* _retval) override; 53 NS_IMETHOD GetFeatureSuggestedDriverVersion(int32_t aFeature, 54 nsAString& _retval) override; 55 56 NS_IMETHOD GetMonitors(JSContext* cx, 57 JS::MutableHandleValue _retval) override; 58 NS_IMETHOD GetFailures(uint32_t* failureCount, int32_t** indices, 59 char*** failures) override; 60 NS_IMETHOD_(void) LogFailure(const nsACString& failure) override; 61 NS_IMETHOD GetInfo(JSContext*, JS::MutableHandle<JS::Value>) override; 62 NS_IMETHOD GetFeatures(JSContext*, JS::MutableHandle<JS::Value>) override; 63 NS_IMETHOD GetFeatureLog(JSContext*, JS::MutableHandle<JS::Value>) override; 64 NS_IMETHOD GetActiveCrashGuards(JSContext*, 65 JS::MutableHandle<JS::Value>) override; 66 NS_IMETHOD GetContentBackend(nsAString& aContentBackend) override; 67 NS_IMETHOD GetUsingGPUProcess(bool* aOutValue) override; 68 NS_IMETHOD GetWebRenderEnabled(bool* aWebRenderEnabled) override; 69 NS_IMETHOD GetIsHeadless(bool* aIsHeadless) override; 70 NS_IMETHOD GetUsesTiling(bool* aUsesTiling) override; 71 NS_IMETHOD GetOffMainThreadPaintEnabled( 72 bool* aOffMainThreadPaintEnabled) override; 73 NS_IMETHOD GetOffMainThreadPaintWorkerCount( 74 int32_t* aOffMainThreadPaintWorkerCount) override; 75 76 // Initialization function. If you override this, you must call this class's 77 // version of Init first. 78 // We need Init to be called separately from the constructor so we can 79 // register as an observer after all derived classes have been constructed 80 // and we know we have a non-zero refcount. 81 // Ideally, Init() would be void-return, but the rules of 82 // NS_GENERIC_FACTORY_CONSTRUCTOR_INIT require it be nsresult return. 83 virtual nsresult Init(); 84 85 // only useful on X11 GetData()86 NS_IMETHOD_(void) GetData() override {} 87 88 static void AddCollector(GfxInfoCollectorBase* collector); 89 static void RemoveCollector(GfxInfoCollectorBase* collector); 90 91 static nsTArray<GfxDriverInfo>* mDriverInfo; 92 static nsTArray<mozilla::dom::GfxInfoFeatureStatus>* mFeatureStatus; 93 static bool mDriverInfoObserverInitialized; 94 static bool mShutdownOccurred; 95 Model()96 virtual nsString Model() { return EmptyString(); } Hardware()97 virtual nsString Hardware() { return EmptyString(); } Product()98 virtual nsString Product() { return EmptyString(); } Manufacturer()99 virtual nsString Manufacturer() { return EmptyString(); } OperatingSystemVersion()100 virtual uint32_t OperatingSystemVersion() { return 0; } 101 102 // Convenience to get the application version 103 static const nsCString& GetApplicationVersion(); 104 FindMonitors(JSContext * cx,JS::HandleObject array)105 virtual nsresult FindMonitors(JSContext* cx, JS::HandleObject array) { 106 return NS_ERROR_NOT_IMPLEMENTED; 107 } 108 109 static void SetFeatureStatus( 110 const nsTArray<mozilla::dom::GfxInfoFeatureStatus>& aFS); 111 112 protected: 113 virtual ~GfxInfoBase(); 114 115 virtual nsresult GetFeatureStatusImpl( 116 int32_t aFeature, int32_t* aStatus, nsAString& aSuggestedDriverVersion, 117 const nsTArray<GfxDriverInfo>& aDriverInfo, nsACString& aFailureId, 118 OperatingSystem* aOS = nullptr); 119 120 // Gets the driver info table. Used by GfxInfoBase to check for general cases 121 // (while subclasses check for more specific ones). 122 virtual const nsTArray<GfxDriverInfo>& GetGfxDriverInfo() = 0; 123 124 virtual void DescribeFeatures(JSContext* aCx, JS::Handle<JSObject*> obj); 125 bool InitFeatureObject(JSContext* aCx, JS::Handle<JSObject*> aContainer, 126 const char* aName, int32_t aFeature, 127 const Maybe<mozilla::gfx::FeatureStatus>& aKnownStatus, 128 JS::MutableHandle<JSObject*> aOutObj); 129 130 NS_IMETHOD ControlGPUProcessForXPCShell(bool aEnable, bool* _retval) override; 131 132 private: 133 virtual int32_t FindBlocklistedDeviceInList( 134 const nsTArray<GfxDriverInfo>& aDriverInfo, nsAString& aSuggestedVersion, 135 int32_t aFeature, nsACString& aFailureId, OperatingSystem os); 136 137 void EvaluateDownloadedBlacklist(nsTArray<GfxDriverInfo>& aDriverInfo); 138 139 bool BuildFeatureStateLog(JSContext* aCx, const gfx::FeatureState& aFeature, 140 JS::MutableHandle<JS::Value> aOut); 141 142 Mutex mMutex; 143 }; 144 145 } // namespace widget 146 } // namespace mozilla 147 148 #endif /* __mozilla_widget_GfxInfoBase_h__ */ 149