/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "mozilla/layers/CompositorBridgeChild.h" #include "mozilla/layers/CompositorThread.h" #include "mozilla/layers/ImageBridgeChild.h" #include "mozilla/layers/ISurfaceAllocator.h" // for GfxMemoryImageReporter #include "mozilla/gfx/gfxVars.h" #include "mozilla/gfx/GPUProcessManager.h" #include "mozilla/gfx/GraphicsMessages.h" #include "mozilla/ClearOnShutdown.h" #include "mozilla/Telemetry.h" #include "mozilla/TimeStamp.h" #include "mozilla/Unused.h" #include "mozilla/Logging.h" #include "mozilla/Services.h" #include "gfxPlatform.h" #include "gfxPrefs.h" #include "gfxEnv.h" #include "gfxTextRun.h" #include "gfxConfig.h" #include "MediaPrefs.h" #ifdef XP_WIN #include <process.h> #define getpid _getpid #else #include <unistd.h> #endif #include "nsXULAppAPI.h" #include "nsDirectoryServiceUtils.h" #include "nsDirectoryServiceDefs.h" #if defined(XP_WIN) #include "gfxWindowsPlatform.h" #elif defined(XP_MACOSX) #include "gfxPlatformMac.h" #include "gfxQuartzSurface.h" #elif defined(MOZ_WIDGET_GTK) #include "gfxPlatformGtk.h" #elif defined(ANDROID) #include "gfxAndroidPlatform.h" #endif #ifdef XP_WIN #include "mozilla/WindowsVersion.h" #endif #include "nsGkAtoms.h" #include "gfxPlatformFontList.h" #include "gfxContext.h" #include "gfxImageSurface.h" #include "nsUnicodeProperties.h" #include "harfbuzz/hb.h" #include "gfxGraphiteShaper.h" #include "gfx2DGlue.h" #include "gfxGradientCache.h" #include "gfxUtils.h" // for NextPowerOfTwo #include "nsUnicodeRange.h" #include "nsServiceManagerUtils.h" #include "nsTArray.h" #include "nsILocaleService.h" #include "nsIObserverService.h" #include "nsIScreenManager.h" #include "FrameMetrics.h" #include "MainThreadUtils.h" #include "nsWeakReference.h" #include "cairo.h" #include "qcms.h" #include "imgITools.h" #include "plstr.h" #include "nsCRT.h" #include "GLContext.h" #include "GLContextProvider.h" #include "mozilla/gfx/Logging.h" #if defined(MOZ_WIDGET_GTK) #include "gfxPlatformGtk.h" // xxx - for UseFcFontList #endif #ifdef MOZ_WIDGET_ANDROID #include "TexturePoolOGL.h" #endif #ifdef USE_SKIA # ifdef __GNUC__ # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wshadow" # endif # include "skia/include/core/SkGraphics.h" # ifdef USE_SKIA_GPU # include "skia/include/gpu/GrContext.h" # include "skia/include/gpu/gl/GrGLInterface.h" # include "SkiaGLGlue.h" # endif # ifdef MOZ_ENABLE_FREETYPE # include "skia/include/ports/SkTypeface_cairo.h" # endif # ifdef __GNUC__ # pragma GCC diagnostic pop // -Wshadow # endif static const uint32_t kDefaultGlyphCacheSize = -1; #endif #if !defined(USE_SKIA) || !defined(USE_SKIA_GPU) class mozilla::gl::SkiaGLGlue : public GenericAtomicRefCounted { }; #endif #include "mozilla/Preferences.h" #include "mozilla/Assertions.h" #include "mozilla/Atomics.h" #include "mozilla/Attributes.h" #include "mozilla/Mutex.h" #include "nsAlgorithm.h" #include "nsIGfxInfo.h" #include "nsIXULRuntime.h" #include "VsyncSource.h" #include "SoftwareVsyncSource.h" #include "nscore.h" // for NS_FREE_PERMANENT_DATA #include "mozilla/dom/ContentChild.h" #include "gfxVR.h" #include "VRManagerChild.h" #include "mozilla/gfx/GPUParent.h" #include "prsystem.h" namespace mozilla { namespace layers { void ShutdownTileCache(); } // namespace layers } // namespace mozilla using namespace mozilla; using namespace mozilla::layers; using namespace mozilla::gl; using namespace mozilla::gfx; gfxPlatform *gPlatform = nullptr; static bool gEverInitialized = false; static Mutex* gGfxPlatformPrefsLock = nullptr; // These two may point to the same profile static qcms_profile *gCMSOutputProfile = nullptr; static qcms_profile *gCMSsRGBProfile = nullptr; static bool gCMSRGBTransformFailed = false; static qcms_transform *gCMSRGBTransform = nullptr; static qcms_transform *gCMSInverseRGBTransform = nullptr; static qcms_transform *gCMSRGBATransform = nullptr; static bool gCMSInitialized = false; static eCMSMode gCMSMode = eCMSMode_Off; static void ShutdownCMS(); #include "mozilla/gfx/2D.h" #include "mozilla/gfx/SourceSurfaceCairo.h" using namespace mozilla::gfx; /* Class to listen for pref changes so that chrome code can dynamically force sRGB as an output profile. See Bug #452125. */ class SRGBOverrideObserver final : public nsIObserver, public nsSupportsWeakReference { ~SRGBOverrideObserver() {} public: NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER }; /// This override of the LogForwarder, initially used for the critical graphics /// errors, is sending the log to the crash annotations as well, but only /// if the capacity set with the method below is >= 2. We always retain the /// very first critical message, and the latest capacity-1 messages are /// rotated through. Note that we don't expect the total number of times /// this gets called to be large - it is meant for critical errors only. class CrashStatsLogForwarder: public mozilla::gfx::LogForwarder { public: explicit CrashStatsLogForwarder(const char* aKey); virtual void Log(const std::string& aString) override; virtual void CrashAction(LogReason aReason) override; virtual bool UpdateStringsVector(const std::string& aString) override; virtual LoggingRecord LoggingRecordCopy() override; void SetCircularBufferSize(uint32_t aCapacity); private: // Helper for the Log() void UpdateCrashReport(); private: LoggingRecord mBuffer; nsCString mCrashCriticalKey; uint32_t mMaxCapacity; int32_t mIndex; Mutex mMutex; }; CrashStatsLogForwarder::CrashStatsLogForwarder(const char* aKey) : mBuffer() , mCrashCriticalKey(aKey) , mMaxCapacity(0) , mIndex(-1) , mMutex("CrashStatsLogForwarder") { } void CrashStatsLogForwarder::SetCircularBufferSize(uint32_t aCapacity) { MutexAutoLock lock(mMutex); mMaxCapacity = aCapacity; mBuffer.reserve(static_cast<size_t>(aCapacity)); } LoggingRecord CrashStatsLogForwarder::LoggingRecordCopy() { MutexAutoLock lock(mMutex); return mBuffer; } bool CrashStatsLogForwarder::UpdateStringsVector(const std::string& aString) { // We want at least the first one and the last one. Otherwise, no point. if (mMaxCapacity < 2) { return false; } mIndex += 1; MOZ_ASSERT(mIndex >= 0); // index will count 0, 1, 2, ..., max-1, 1, 2, ..., max-1, 1, 2, ... int32_t index = mIndex ? (mIndex-1) % (mMaxCapacity-1) + 1 : 0; MOZ_ASSERT(index >= 0 && index < (int32_t)mMaxCapacity); MOZ_ASSERT(index <= mIndex && index <= (int32_t)mBuffer.size()); bool ignored; double tStamp = (TimeStamp::NowLoRes()-TimeStamp::ProcessCreation(ignored)).ToSecondsSigDigits(); // Checking for index >= mBuffer.size(), rather than index == mBuffer.size() // just out of paranoia, but we know index <= mBuffer.size(). LoggingRecordEntry newEntry(mIndex,aString,tStamp); if (index >= static_cast<int32_t>(mBuffer.size())) { mBuffer.push_back(newEntry); } else { mBuffer[index] = newEntry; } return true; } void CrashStatsLogForwarder::UpdateCrashReport() { std::stringstream message; std::string logAnnotation; switch (XRE_GetProcessType()) { case GeckoProcessType_Default: logAnnotation = "|["; break; case GeckoProcessType_Content: logAnnotation = "|[C"; break; case GeckoProcessType_GPU: logAnnotation = "|[G"; break; default: logAnnotation = "|[X"; break; } for (LoggingRecord::iterator it = mBuffer.begin(); it != mBuffer.end(); ++it) { message << logAnnotation << Get<0>(*it) << "]" << Get<1>(*it) << " (t=" << Get<2>(*it) << ") "; } nsresult annotated = NS_ERROR_NOT_IMPLEMENTED; if (annotated != NS_OK) { printf("Crash Annotation %s: %s", mCrashCriticalKey.get(), message.str().c_str()); } } class LogForwarderEvent : public Runnable { virtual ~LogForwarderEvent() {} NS_DECL_ISUPPORTS_INHERITED explicit LogForwarderEvent(const nsCString& aMessage) : mMessage(aMessage) {} NS_IMETHOD Run() override { MOZ_ASSERT(NS_IsMainThread() && (XRE_IsContentProcess() || XRE_IsGPUProcess())); if (XRE_IsContentProcess()) { dom::ContentChild* cc = dom::ContentChild::GetSingleton(); Unused << cc->SendGraphicsError(mMessage); } else if (XRE_IsGPUProcess()) { GPUParent* gp = GPUParent::GetSingleton(); Unused << gp->SendGraphicsError(mMessage); } return NS_OK; } protected: nsCString mMessage; }; NS_IMPL_ISUPPORTS_INHERITED0(LogForwarderEvent, Runnable); void CrashStatsLogForwarder::Log(const std::string& aString) { MutexAutoLock lock(mMutex); if (UpdateStringsVector(aString)) { UpdateCrashReport(); } // Add it to the parent strings if (!XRE_IsParentProcess()) { nsCString stringToSend(aString.c_str()); if (NS_IsMainThread()) { if (XRE_IsContentProcess()) { dom::ContentChild* cc = dom::ContentChild::GetSingleton(); Unused << cc->SendGraphicsError(stringToSend); } else if (XRE_IsGPUProcess()) { GPUParent* gp = GPUParent::GetSingleton(); Unused << gp->SendGraphicsError(stringToSend); } } else { nsCOMPtr<nsIRunnable> r1 = new LogForwarderEvent(stringToSend); NS_DispatchToMainThread(r1); } } } class CrashTelemetryEvent : public Runnable { virtual ~CrashTelemetryEvent() {} NS_DECL_ISUPPORTS_INHERITED explicit CrashTelemetryEvent(uint32_t aReason) : mReason(aReason) {} NS_IMETHOD Run() override { MOZ_ASSERT(NS_IsMainThread()); Telemetry::Accumulate(Telemetry::GFX_CRASH, mReason); return NS_OK; } protected: uint32_t mReason; }; NS_IMPL_ISUPPORTS_INHERITED0(CrashTelemetryEvent, Runnable); void CrashStatsLogForwarder::CrashAction(LogReason aReason) { #ifndef RELEASE_OR_BETA // Non-release builds crash by default, but will use telemetry // if this environment variable is present. static bool useTelemetry = gfxEnv::GfxDevCrashTelemetry(); #else // Release builds use telemetry by default, but will crash instead // if this environment variable is present. static bool useTelemetry = !gfxEnv::GfxDevCrashMozCrash(); #endif if (useTelemetry) { // The callers need to assure that aReason is in the range // that the telemetry call below supports. if (NS_IsMainThread()) { Telemetry::Accumulate(Telemetry::GFX_CRASH, (uint32_t)aReason); } else { nsCOMPtr<nsIRunnable> r1 = new CrashTelemetryEvent((uint32_t)aReason); NS_DispatchToMainThread(r1); } } else { // ignoring aReason, we can get the information we need from the stack MOZ_CRASH("GFX_CRASH"); } } NS_IMPL_ISUPPORTS(SRGBOverrideObserver, nsIObserver, nsISupportsWeakReference) #define GFX_DOWNLOADABLE_FONTS_ENABLED "gfx.downloadable_fonts.enabled" #define GFX_PREF_FALLBACK_USE_CMAPS "gfx.font_rendering.fallback.always_use_cmaps" #define GFX_PREF_OPENTYPE_SVG "gfx.font_rendering.opentype_svg.enabled" #define GFX_PREF_WORD_CACHE_CHARLIMIT "gfx.font_rendering.wordcache.charlimit" #define GFX_PREF_WORD_CACHE_MAXENTRIES "gfx.font_rendering.wordcache.maxentries" #define GFX_PREF_GRAPHITE_SHAPING "gfx.font_rendering.graphite.enabled" #define BIDI_NUMERAL_PREF "bidi.numeral" #define GFX_PREF_CMS_FORCE_SRGB "gfx.color_management.force_srgb" NS_IMETHODIMP SRGBOverrideObserver::Observe(nsISupports *aSubject, const char *aTopic, const char16_t* someData) { NS_ASSERTION(NS_strcmp(someData, (u"" GFX_PREF_CMS_FORCE_SRGB)) == 0, "Restarting CMS on wrong pref!"); ShutdownCMS(); // Update current cms profile. gfxPlatform::CreateCMSOutputProfile(); return NS_OK; } static const char* kObservedPrefs[] = { "gfx.downloadable_fonts.", "gfx.font_rendering.", BIDI_NUMERAL_PREF, nullptr }; class FontPrefsObserver final : public nsIObserver { ~FontPrefsObserver() {} public: NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER }; NS_IMPL_ISUPPORTS(FontPrefsObserver, nsIObserver) NS_IMETHODIMP FontPrefsObserver::Observe(nsISupports *aSubject, const char *aTopic, const char16_t *someData) { if (!someData) { NS_ERROR("font pref observer code broken"); return NS_ERROR_UNEXPECTED; } NS_ASSERTION(gfxPlatform::GetPlatform(), "the singleton instance has gone"); gfxPlatform::GetPlatform()->FontsPrefsChanged(NS_ConvertUTF16toUTF8(someData).get()); return NS_OK; } class MemoryPressureObserver final : public nsIObserver { ~MemoryPressureObserver() {} public: NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER }; NS_IMPL_ISUPPORTS(MemoryPressureObserver, nsIObserver) NS_IMETHODIMP MemoryPressureObserver::Observe(nsISupports *aSubject, const char *aTopic, const char16_t *someData) { NS_ASSERTION(strcmp(aTopic, "memory-pressure") == 0, "unexpected event topic"); Factory::PurgeAllCaches(); gfxGradientCache::PurgeAllCaches(); gfxPlatform::PurgeSkiaFontCache(); gfxPlatform::GetPlatform()->PurgeSkiaGPUCache(); return NS_OK; } gfxPlatform::gfxPlatform() : mAzureCanvasBackendCollector(this, &gfxPlatform::GetAzureBackendInfo) , mApzSupportCollector(this, &gfxPlatform::GetApzSupportInfo) , mTilesInfoCollector(this, &gfxPlatform::GetTilesSupportInfo) , mCompositorBackend(layers::LayersBackend::LAYERS_NONE) , mScreenDepth(0) , mDeviceCounter(0) { mAllowDownloadableFonts = UNINITIALIZED_VALUE; mFallbackUsesCmaps = UNINITIALIZED_VALUE; mWordCacheCharLimit = UNINITIALIZED_VALUE; mWordCacheMaxEntries = UNINITIALIZED_VALUE; mGraphiteShapingEnabled = UNINITIALIZED_VALUE; mOpenTypeSVGEnabled = UNINITIALIZED_VALUE; mBidiNumeralOption = UNINITIALIZED_VALUE; mSkiaGlue = nullptr; uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO); uint32_t contentMask = BackendTypeBit(BackendType::CAIRO); #ifdef USE_SKIA canvasMask |= BackendTypeBit(BackendType::SKIA); contentMask |= BackendTypeBit(BackendType::SKIA); #endif InitBackendPrefs(canvasMask, BackendType::CAIRO, contentMask, BackendType::CAIRO); mTotalSystemMemory = PR_GetPhysicalMemorySize(); VRManager::ManagerInit(); } gfxPlatform* gfxPlatform::GetPlatform() { if (!gPlatform) { Init(); } return gPlatform; } bool gfxPlatform::Initialized() { return !!gPlatform; } void RecordingPrefChanged(const char *aPrefName, void *aClosure) { if (Preferences::GetBool("gfx.2d.recording", false)) { nsAutoCString fileName; nsAdoptingString prefFileName = Preferences::GetString("gfx.2d.recordingfile"); if (prefFileName) { fileName.Append(NS_ConvertUTF16toUTF8(prefFileName)); } else { nsCOMPtr<nsIFile> tmpFile; if (NS_FAILED(NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(tmpFile)))) { return; } fileName.AppendPrintf("moz2drec_%i_%i.aer", XRE_GetProcessType(), getpid()); nsresult rv = tmpFile->AppendNative(fileName); if (NS_FAILED(rv)) return; rv = tmpFile->GetNativePath(fileName); if (NS_FAILED(rv)) return; } gPlatform->mRecorder = Factory::CreateEventRecorderForFile(fileName.BeginReading()); printf_stderr("Recording to %s\n", fileName.get()); Factory::SetGlobalEventRecorder(gPlatform->mRecorder); } else { Factory::SetGlobalEventRecorder(nullptr); } } #if defined(USE_SKIA) static uint32_t GetSkiaGlyphCacheSize() { // Only increase font cache size on non-android to save memory. #if !defined(MOZ_WIDGET_ANDROID) // 10mb as the default cache size on desktop due to talos perf tweaking. // Chromium uses 20mb and skia default uses 2mb. // We don't need to change the font cache count since we usually // cache thrash due to asian character sets in talos. // Only increase memory on the content proces uint32_t cacheSize = 10 * 1024 * 1024; if (mozilla::BrowserTabsRemoteAutostart()) { return XRE_IsContentProcess() ? cacheSize : kDefaultGlyphCacheSize; } return cacheSize; #else return kDefaultGlyphCacheSize; #endif // MOZ_WIDGET_ANDROID } #endif void gfxPlatform::Init() { MOZ_RELEASE_ASSERT(!XRE_IsGPUProcess(), "GFX: Not allowed in GPU process."); MOZ_RELEASE_ASSERT(NS_IsMainThread(), "GFX: Not in main thread."); if (gEverInitialized) { NS_RUNTIMEABORT("Already started???"); } gEverInitialized = true; // Initialize the preferences by creating the singleton. gfxPrefs::GetSingleton(); MediaPrefs::GetSingleton(); gfxVars::Initialize(); gfxConfig::Init(); if (XRE_IsParentProcess()) { GPUProcessManager::Initialize(); if (Preferences::GetBool("media.wmf.skip-blacklist")) { gfxVars::SetPDMWMFDisableD3D11Dlls(nsCString()); gfxVars::SetPDMWMFDisableD3D9Dlls(nsCString()); } else { gfxVars::SetPDMWMFDisableD3D11Dlls(Preferences::GetCString("media.wmf.disable-d3d11-for-dlls")); gfxVars::SetPDMWMFDisableD3D9Dlls(Preferences::GetCString("media.wmf.disable-d3d9-for-dlls")); } } // Drop a note in the crash report if we end up forcing an option that could // destabilize things. New items should be appended at the end (of an existing // or in a new section), so that we don't have to know the version to interpret // these cryptic strings. { nsAutoCString forcedPrefs; // D2D prefs forcedPrefs.AppendPrintf("FP(D%d%d", gfxPrefs::Direct2DDisabled(), gfxPrefs::Direct2DForceEnabled()); // Layers prefs forcedPrefs.AppendPrintf("-L%d%d%d%d", gfxPrefs::LayersAMDSwitchableGfxEnabled(), gfxPrefs::LayersAccelerationDisabledDoNotUseDirectly(), gfxPrefs::LayersAccelerationForceEnabledDoNotUseDirectly(), gfxPrefs::LayersD3D11ForceWARP()); // WebGL prefs forcedPrefs.AppendPrintf("-W%d%d%d%d%d%d%d%d", gfxPrefs::WebGLANGLEForceD3D11(), gfxPrefs::WebGLANGLEForceWARP(), gfxPrefs::WebGLDisabled(), gfxPrefs::WebGLDisableANGLE(), gfxPrefs::WebGLDXGLEnabled(), gfxPrefs::WebGLForceEnabled(), gfxPrefs::WebGLForceLayersReadback(), gfxPrefs::WebGLForceMSAA()); // Prefs that don't fit into any of the other sections forcedPrefs.AppendPrintf("-T%d%d%d%d) ", gfxPrefs::AndroidRGB16Force(), gfxPrefs::CanvasAzureAccelerated(), gfxPrefs::DisableGralloc(), gfxPrefs::ForceShmemTiles()); } InitMoz2DLogging(); gGfxPlatformPrefsLock = new Mutex("gfxPlatform::gGfxPlatformPrefsLock"); /* Initialize the GfxInfo service. * Note: we can't call functions on GfxInfo that depend * on gPlatform until after it has been initialized * below. GfxInfo initialization annotates our * crash reports so we want to do it before * we try to load any drivers and do device detection * incase that code crashes. See bug #591561. */ nsCOMPtr<nsIGfxInfo> gfxInfo; /* this currently will only succeed on Windows */ gfxInfo = services::GetGfxInfo(); #if defined(XP_WIN) gPlatform = new gfxWindowsPlatform; #elif defined(XP_MACOSX) gPlatform = new gfxPlatformMac; #elif defined(MOZ_WIDGET_GTK) gPlatform = new gfxPlatformGtk; #elif defined(ANDROID) gPlatform = new gfxAndroidPlatform; #else #error "No gfxPlatform implementation available" #endif gPlatform->InitAcceleration(); if (gfxConfig::IsEnabled(Feature::GPU_PROCESS)) { GPUProcessManager* gpu = GPUProcessManager::Get(); gpu->LaunchGPUProcess(); } if (XRE_IsParentProcess()) { if (gfxPlatform::ForceSoftwareVsync()) { gPlatform->mVsyncSource = (gPlatform)->gfxPlatform::CreateHardwareVsyncSource(); } else { gPlatform->mVsyncSource = gPlatform->CreateHardwareVsyncSource(); } } #ifdef USE_SKIA SkGraphics::Init(); # ifdef MOZ_ENABLE_FREETYPE SkInitCairoFT(gPlatform->FontHintingEnabled()); # endif #endif #ifdef MOZ_GL_DEBUG GLContext::StaticInit(); #endif InitLayersIPC(); gPlatform->PopulateScreenInfo(); gPlatform->ComputeTileSize(); nsresult rv; bool usePlatformFontList = true; #if defined(MOZ_WIDGET_GTK) usePlatformFontList = gfxPlatformGtk::UseFcFontList(); #endif if (usePlatformFontList) { rv = gfxPlatformFontList::Init(); if (NS_FAILED(rv)) { NS_RUNTIMEABORT("Could not initialize gfxPlatformFontList"); } } gPlatform->mScreenReferenceSurface = gPlatform->CreateOffscreenSurface(IntSize(1, 1), SurfaceFormat::A8R8G8B8_UINT32); if (!gPlatform->mScreenReferenceSurface) { NS_RUNTIMEABORT("Could not initialize mScreenReferenceSurface"); } gPlatform->mScreenReferenceDrawTarget = gPlatform->CreateOffscreenContentDrawTarget(IntSize(1, 1), SurfaceFormat::B8G8R8A8); if (!gPlatform->mScreenReferenceDrawTarget || !gPlatform->mScreenReferenceDrawTarget->IsValid()) { NS_RUNTIMEABORT("Could not initialize mScreenReferenceDrawTarget"); } rv = gfxFontCache::Init(); if (NS_FAILED(rv)) { NS_RUNTIMEABORT("Could not initialize gfxFontCache"); } /* Create and register our CMS Override observer. */ gPlatform->mSRGBOverrideObserver = new SRGBOverrideObserver(); Preferences::AddWeakObserver(gPlatform->mSRGBOverrideObserver, GFX_PREF_CMS_FORCE_SRGB); gPlatform->mFontPrefsObserver = new FontPrefsObserver(); Preferences::AddStrongObservers(gPlatform->mFontPrefsObserver, kObservedPrefs); GLContext::PlatformStartup(); #ifdef MOZ_WIDGET_ANDROID // Texture pool init TexturePoolOGL::Init(); #endif Preferences::RegisterCallbackAndCall(RecordingPrefChanged, "gfx.2d.recording", nullptr); CreateCMSOutputProfile(); // Listen to memory pressure event so we can purge DrawTarget caches nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); if (obs) { gPlatform->mMemoryPressureObserver = new MemoryPressureObserver(); obs->AddObserver(gPlatform->mMemoryPressureObserver, "memory-pressure", false); } // Request the imgITools service, implicitly initializing ImageLib. nsCOMPtr<imgITools> imgTools = do_GetService("@mozilla.org/image/tools;1"); if (!imgTools) { NS_RUNTIMEABORT("Could not initialize ImageLib"); } RegisterStrongMemoryReporter(new GfxMemoryImageReporter()); #ifdef USE_SKIA uint32_t skiaCacheSize = GetSkiaGlyphCacheSize(); if (skiaCacheSize != kDefaultGlyphCacheSize) { SkGraphics::SetFontCacheLimit(skiaCacheSize); } #endif InitNullMetadata(); InitOpenGLConfig(); if (obs) { obs->NotifyObservers(nullptr, "gfx-features-ready", nullptr); } } /* static */ void gfxPlatform::InitMoz2DLogging() { auto fwd = new CrashStatsLogForwarder("GraphicsCriticalError"); fwd->SetCircularBufferSize(gfxPrefs::GfxLoggingCrashLength()); mozilla::gfx::Config cfg; cfg.mLogForwarder = fwd; cfg.mMaxTextureSize = gfxPrefs::MaxTextureSize(); cfg.mMaxAllocSize = gfxPrefs::MaxAllocSize(); gfx::Factory::Init(cfg); } static bool sLayersIPCIsUp = false; /* static */ void gfxPlatform::InitNullMetadata() { ScrollMetadata::sNullMetadata = new ScrollMetadata(); ClearOnShutdown(&ScrollMetadata::sNullMetadata); } void gfxPlatform::Shutdown() { // In some cases, gPlatform may not be created but Shutdown() called, // e.g., during xpcshell tests. if (!gPlatform) { return; } MOZ_ASSERT(!sLayersIPCIsUp); // These may be called before the corresponding subsystems have actually // started up. That's OK, they can handle it. gfxFontCache::Shutdown(); gfxFontGroup::Shutdown(); gfxGradientCache::Shutdown(); gfxAlphaBoxBlur::ShutdownBlurCache(); gfxGraphiteShaper::Shutdown(); gfxPlatformFontList::Shutdown(); ShutdownTileCache(); // Free the various non-null transforms and loaded profiles ShutdownCMS(); /* Unregister our CMS Override callback. */ NS_ASSERTION(gPlatform->mSRGBOverrideObserver, "mSRGBOverrideObserver has alreay gone"); Preferences::RemoveObserver(gPlatform->mSRGBOverrideObserver, GFX_PREF_CMS_FORCE_SRGB); gPlatform->mSRGBOverrideObserver = nullptr; NS_ASSERTION(gPlatform->mFontPrefsObserver, "mFontPrefsObserver has alreay gone"); Preferences::RemoveObservers(gPlatform->mFontPrefsObserver, kObservedPrefs); gPlatform->mFontPrefsObserver = nullptr; NS_ASSERTION(gPlatform->mMemoryPressureObserver, "mMemoryPressureObserver has already gone"); nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService(); if (obs) { obs->RemoveObserver(gPlatform->mMemoryPressureObserver, "memory-pressure"); } gPlatform->mMemoryPressureObserver = nullptr; gPlatform->mSkiaGlue = nullptr; if (XRE_IsParentProcess()) { gPlatform->mVsyncSource->Shutdown(); } gPlatform->mVsyncSource = nullptr; #ifdef MOZ_WIDGET_ANDROID // Shut down the texture pool TexturePoolOGL::Shutdown(); #endif // Shut down the default GL context provider. GLContextProvider::Shutdown(); #if defined(XP_WIN) // The above shutdown calls operate on the available context providers on // most platforms. Windows is a "special snowflake", though, and has three // context providers available, so we have to shut all of them down. // We should only support the default GL provider on Windows; then, this // could go away. Unfortunately, we currently support WGL (the default) for // WebGL on Optimus. GLContextProviderEGL::Shutdown(); #endif if (XRE_IsParentProcess()) { GPUProcessManager::Shutdown(); } gfx::Factory::ShutDown(); delete gGfxPlatformPrefsLock; gfxVars::Shutdown(); gfxPrefs::DestroySingleton(); gfxFont::DestroySingletons(); gfxConfig::Shutdown(); gPlatform->WillShutdown(); delete gPlatform; gPlatform = nullptr; } /* static */ void gfxPlatform::InitLayersIPC() { if (sLayersIPCIsUp) { return; } sLayersIPCIsUp = true; if (XRE_IsParentProcess()) { layers::CompositorThreadHolder::Start(); } } /* static */ void gfxPlatform::ShutdownLayersIPC() { if (!sLayersIPCIsUp) { return; } sLayersIPCIsUp = false; if (XRE_IsContentProcess()) { gfx::VRManagerChild::ShutDown(); // cf bug 1215265. if (gfxPrefs::ChildProcessShutdown()) { layers::CompositorBridgeChild::ShutDown(); layers::ImageBridgeChild::ShutDown(); } } else if (XRE_IsParentProcess()) { gfx::VRManagerChild::ShutDown(); layers::CompositorBridgeChild::ShutDown(); layers::ImageBridgeChild::ShutDown(); // This has to happen after shutting down the child protocols. layers::CompositorThreadHolder::Shutdown(); } else { // TODO: There are other kind of processes and we should make sure gfx // stuff is either not created there or shut down properly. } } void gfxPlatform::WillShutdown() { // Destoy these first in case they depend on backend-specific resources. // Otherwise, the backend's destructor would be called before the // base gfxPlatform destructor. mScreenReferenceSurface = nullptr; mScreenReferenceDrawTarget = nullptr; } gfxPlatform::~gfxPlatform() { // The cairo folks think we should only clean up in debug builds, // but we're generally in the habit of trying to shut down as // cleanly as possible even in production code, so call this // cairo_debug_* function unconditionally. // // because cairo can assert and thus crash on shutdown, don't do this in release builds #ifdef NS_FREE_PERMANENT_DATA #ifdef USE_SKIA // must do Skia cleanup before Cairo cleanup, because Skia may be referencing // Cairo objects e.g. through SkCairoFTTypeface SkGraphics::PurgeFontCache(); #endif #if MOZ_TREE_CAIRO cairo_debug_reset_static_data(); #endif #endif } /* static */ already_AddRefed<DrawTarget> gfxPlatform::CreateDrawTargetForSurface(gfxASurface *aSurface, const IntSize& aSize) { SurfaceFormat format = aSurface->GetSurfaceFormat(); RefPtr<DrawTarget> drawTarget = Factory::CreateDrawTargetForCairoSurface(aSurface->CairoSurface(), aSize, &format); if (!drawTarget) { gfxWarning() << "gfxPlatform::CreateDrawTargetForSurface failed in CreateDrawTargetForCairoSurface"; return nullptr; } return drawTarget.forget(); } cairo_user_data_key_t kSourceSurface; /** * Record the backend that was used to construct the SourceSurface. * When getting the cached SourceSurface for a gfxASurface/DrawTarget pair, * we check to make sure the DrawTarget's backend matches the backend * for the cached SourceSurface, and only use it if they match. This * can avoid expensive and unnecessary readbacks. */ struct SourceSurfaceUserData { RefPtr<SourceSurface> mSrcSurface; BackendType mBackendType; }; void SourceBufferDestroy(void *srcSurfUD) { delete static_cast<SourceSurfaceUserData*>(srcSurfUD); } UserDataKey kThebesSurface; struct DependentSourceSurfaceUserData { RefPtr<gfxASurface> mSurface; }; void SourceSurfaceDestroyed(void *aData) { delete static_cast<DependentSourceSurfaceUserData*>(aData); } void gfxPlatform::ClearSourceSurfaceForSurface(gfxASurface *aSurface) { aSurface->SetData(&kSourceSurface, nullptr, nullptr); } /* static */ already_AddRefed<SourceSurface> gfxPlatform::GetSourceSurfaceForSurface(DrawTarget *aTarget, gfxASurface *aSurface, bool aIsPlugin) { if (!aSurface->CairoSurface() || aSurface->CairoStatus()) { return nullptr; } if (!aTarget) { aTarget = gfxPlatform::GetPlatform()->ScreenReferenceDrawTarget(); } void *userData = aSurface->GetData(&kSourceSurface); if (userData) { SourceSurfaceUserData *surf = static_cast<SourceSurfaceUserData*>(userData); if (surf->mSrcSurface->IsValid() && surf->mBackendType == aTarget->GetBackendType()) { RefPtr<SourceSurface> srcSurface(surf->mSrcSurface); return srcSurface.forget(); } // We can just continue here as when setting new user data the destroy // function will be called for the old user data. } SurfaceFormat format = aSurface->GetSurfaceFormat(); if (aTarget->GetBackendType() == BackendType::CAIRO) { // If we're going to be used with a CAIRO DrawTarget, then just create a // SourceSurfaceCairo since we don't know the underlying type of the CAIRO // DrawTarget and can't pick a better surface type. Doing this also avoids // readback of aSurface's surface into memory if, for example, aSurface // wraps an xlib cairo surface (which can be important to avoid a major // slowdown). // // We return here regardless of whether CreateSourceSurfaceFromNativeSurface // succeeds or not since we don't expect to be able to do any better below // if it fails. // // Note that the returned SourceSurfaceCairo holds a strong reference to // the cairo_surface_t* that it wraps, which essencially means it holds a // strong reference to aSurface since aSurface shares its // cairo_surface_t*'s reference count variable. As a result we can't cache // srcBuffer on aSurface (see below) since aSurface would then hold a // strong reference back to srcBuffer, creating a reference loop and a // memory leak. Not caching is fine since wrapping is cheap enough (no // copying) so we can just wrap again next time we're called. return Factory::CreateSourceSurfaceForCairoSurface(aSurface->CairoSurface(), aSurface->GetSize(), format); } RefPtr<SourceSurface> srcBuffer; // Currently no other DrawTarget types implement CreateSourceSurfaceFromNativeSurface if (!srcBuffer) { // If aSurface wraps data, we can create a SourceSurfaceRawData that wraps // the same data, then optimize it for aTarget: RefPtr<DataSourceSurface> surf = GetWrappedDataSourceSurface(aSurface); if (surf) { srcBuffer = aIsPlugin ? aTarget->OptimizeSourceSurfaceForUnknownAlpha(surf) : aTarget->OptimizeSourceSurface(surf); if (srcBuffer == surf) { // GetWrappedDataSourceSurface returns a SourceSurface that holds a // strong reference to aSurface since it wraps aSurface's data and // needs it to stay alive. As a result we can't cache srcBuffer on // aSurface (below) since aSurface would then hold a strong reference // back to srcBuffer, creating a reference loop and a memory leak. Not // caching is fine since wrapping is cheap enough (no copying) so we // can just wrap again next time we're called. // // Note that the check below doesn't catch this since srcBuffer will be a // SourceSurfaceRawData object (even if aSurface is not a gfxImageSurface // object), which is why we need this separate check. return srcBuffer.forget(); } } } if (!srcBuffer) { MOZ_ASSERT(aTarget->GetBackendType() != BackendType::CAIRO, "We already tried CreateSourceSurfaceFromNativeSurface with a " "DrawTargetCairo above"); // We've run out of performant options. We now try creating a SourceSurface // using a temporary DrawTargetCairo and then optimizing it to aTarget's // actual type. The CreateSourceSurfaceFromNativeSurface() call will // likely create a DataSourceSurface (possibly involving copying and/or // readback), and the OptimizeSourceSurface may well copy again and upload // to the GPU. So, while this code path is rarely hit, hitting it may be // very slow. srcBuffer = Factory::CreateSourceSurfaceForCairoSurface(aSurface->CairoSurface(), aSurface->GetSize(), format); if (srcBuffer) { srcBuffer = aTarget->OptimizeSourceSurface(srcBuffer); } } if (!srcBuffer) { return nullptr; } if ((srcBuffer->GetType() == SurfaceType::CAIRO && static_cast<SourceSurfaceCairo*>(srcBuffer.get())->GetSurface() == aSurface->CairoSurface()) || (srcBuffer->GetType() == SurfaceType::CAIRO_IMAGE && static_cast<DataSourceSurfaceCairo*>(srcBuffer.get())->GetSurface() == aSurface->CairoSurface())) { // See the "Note that the returned SourceSurfaceCairo..." comment above. return srcBuffer.forget(); } // Add user data to aSurface so we can cache lookups in the future. SourceSurfaceUserData *srcSurfUD = new SourceSurfaceUserData; srcSurfUD->mBackendType = aTarget->GetBackendType(); srcSurfUD->mSrcSurface = srcBuffer; aSurface->SetData(&kSourceSurface, srcSurfUD, SourceBufferDestroy); return srcBuffer.forget(); } already_AddRefed<DataSourceSurface> gfxPlatform::GetWrappedDataSourceSurface(gfxASurface* aSurface) { RefPtr<gfxImageSurface> image = aSurface->GetAsImageSurface(); if (!image) { return nullptr; } RefPtr<DataSourceSurface> result = Factory::CreateWrappingDataSourceSurface(image->Data(), image->Stride(), image->GetSize(), ImageFormatToSurfaceFormat(image->Format())); if (!result) { return nullptr; } // If we wrapped the underlying data of aSurface, then we need to add user data // to make sure aSurface stays alive until we are done with the data. DependentSourceSurfaceUserData *srcSurfUD = new DependentSourceSurfaceUserData; srcSurfUD->mSurface = aSurface; result->AddUserData(&kThebesSurface, srcSurfUD, SourceSurfaceDestroyed); return result.forget(); } already_AddRefed<ScaledFont> gfxPlatform::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont) { NativeFont nativeFont; nativeFont.mType = NativeFontType::CAIRO_FONT_FACE; nativeFont.mFont = aFont->GetCairoScaledFont(); return Factory::CreateScaledFontForNativeFont(nativeFont, aFont->GetAdjustedSize()); } void gfxPlatform::ComputeTileSize() { // The tile size should be picked in the parent processes // and sent to the child processes over IPDL GetTileSize. if (!XRE_IsParentProcess()) { return; } int32_t w = gfxPrefs::LayersTileWidth(); int32_t h = gfxPrefs::LayersTileHeight(); if (gfxPrefs::LayersTilesAdjust()) { gfx::IntSize screenSize = GetScreenSize(); if (screenSize.width > 0) { // Choose a size so that there are between 2 and 4 tiles per screen width. // FIXME: we should probably make sure this is within the max texture size, // but I think everything should at least support 1024 w = h = clamped(int32_t(RoundUpPow2(screenSize.width)) / 4, 256, 1024); } } // Don't allow changing the tile size after we've set it. // Right now the code assumes that the tile size doesn't change. MOZ_ASSERT(gfxVars::TileSize().width == -1 && gfxVars::TileSize().height == -1); gfxVars::SetTileSize(IntSize(w, h)); } void gfxPlatform::PopulateScreenInfo() { nsCOMPtr<nsIScreenManager> manager = do_GetService("@mozilla.org/gfx/screenmanager;1"); MOZ_ASSERT(manager, "failed to get nsIScreenManager"); nsCOMPtr<nsIScreen> screen; manager->GetPrimaryScreen(getter_AddRefs(screen)); if (!screen) { // This can happen in xpcshell, for instance return; } screen->GetColorDepth(&mScreenDepth); int left, top; screen->GetRect(&left, &top, &mScreenSize.width, &mScreenSize.height); } bool gfxPlatform::SupportsAzureContentForDrawTarget(DrawTarget* aTarget) { if (!aTarget || !aTarget->IsValid()) { return false; } #ifdef USE_SKIA_GPU // Skia content rendering doesn't support GPU acceleration, so we can't // use the same backend if the current backend is accelerated. if ((aTarget->GetType() == DrawTargetType::HARDWARE_RASTER) && (aTarget->GetBackendType() == BackendType::SKIA)) { return false; } #endif return SupportsAzureContentForType(aTarget->GetBackendType()); } bool gfxPlatform::AllowOpenGLCanvas() { // For now, only allow Skia+OpenGL, unless it's blocked. // Allow acceleration on Skia if the preference is set, unless it's blocked // as long as we have the accelerated layers // The compositor backend is only set correctly in the parent process, // so we let content process always assume correct compositor backend. // The callers have to do the right thing. bool correctBackend = !XRE_IsParentProcess() || ((mCompositorBackend == LayersBackend::LAYERS_OPENGL) && (GetContentBackendFor(mCompositorBackend) == BackendType::SKIA)); if (gfxPrefs::CanvasAzureAccelerated() && correctBackend) { nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1"); int32_t status; nsCString discardFailureId; return !gfxInfo || (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_CANVAS2D_ACCELERATION, discardFailureId, &status)) && status == nsIGfxInfo::FEATURE_STATUS_OK); } return false; } void gfxPlatform::InitializeSkiaCacheLimits() { if (AllowOpenGLCanvas()) { #ifdef USE_SKIA_GPU bool usingDynamicCache = gfxPrefs::CanvasSkiaGLDynamicCache(); int cacheItemLimit = gfxPrefs::CanvasSkiaGLCacheItems(); uint64_t cacheSizeLimit = std::max(gfxPrefs::CanvasSkiaGLCacheSize(), (int32_t)0); // Prefs are in megabytes, but we want the sizes in bytes cacheSizeLimit *= 1024*1024; if (usingDynamicCache) { if (mTotalSystemMemory < 512*1024*1024) { // We need a very minimal cache on anything smaller than 512mb. // Note the large jump as we cross 512mb (from 2mb to 32mb). cacheSizeLimit = 2*1024*1024; } else if (mTotalSystemMemory > 0) { cacheSizeLimit = mTotalSystemMemory / 16; } } // Ensure cache size doesn't overflow on 32-bit platforms. cacheSizeLimit = std::min(cacheSizeLimit, (uint64_t)SIZE_MAX); #ifdef DEBUG printf_stderr("Determined SkiaGL cache limits: Size %" PRIu64 ", Items: %i\n", cacheSizeLimit, cacheItemLimit); #endif mSkiaGlue->GetGrContext()->setResourceCacheLimits(cacheItemLimit, (size_t)cacheSizeLimit); #endif } } SkiaGLGlue* gfxPlatform::GetSkiaGLGlue() { #ifdef USE_SKIA_GPU // Check the accelerated Canvas is enabled for the first time, // because the callers should check it before using. if (!mSkiaGlue && !AllowOpenGLCanvas()) { return nullptr; } if (!mSkiaGlue) { /* Dummy context. We always draw into a FBO. * * FIXME: This should be stored in TLS or something, since there needs to be one for each thread using it. As it * stands, this only works on the main thread. */ RefPtr<GLContext> glContext; nsCString discardFailureId; glContext = GLContextProvider::CreateHeadless(CreateContextFlags::REQUIRE_COMPAT_PROFILE | CreateContextFlags::ALLOW_OFFLINE_RENDERER, &discardFailureId); if (!glContext) { printf_stderr("Failed to create GLContext for SkiaGL!\n"); return nullptr; } mSkiaGlue = new SkiaGLGlue(glContext); MOZ_ASSERT(mSkiaGlue->GetGrContext(), "No GrContext"); InitializeSkiaCacheLimits(); } #endif return mSkiaGlue; } void gfxPlatform::PurgeSkiaFontCache() { #ifdef USE_SKIA if (gfxPlatform::GetPlatform()->GetDefaultContentBackend() == BackendType::SKIA) { SkGraphics::PurgeFontCache(); } #endif } void gfxPlatform::PurgeSkiaGPUCache() { #ifdef USE_SKIA_GPU if (!mSkiaGlue) return; mSkiaGlue->GetGrContext()->freeGpuResources(); // GrContext::flush() doesn't call glFlush. Call it here. mSkiaGlue->GetGLContext()->MakeCurrent(); mSkiaGlue->GetGLContext()->fFlush(); #endif } bool gfxPlatform::HasEnoughTotalSystemMemoryForSkiaGL() { return true; } already_AddRefed<DrawTarget> gfxPlatform::CreateDrawTargetForBackend(BackendType aBackend, const IntSize& aSize, SurfaceFormat aFormat) { // There is a bunch of knowledge in the gfxPlatform heirarchy about how to // create the best offscreen surface for the current system and situation. We // can easily take advantage of this for the Cairo backend, so that's what we // do. // mozilla::gfx::Factory can get away without having all this knowledge for // now, but this might need to change in the future (using // CreateOffscreenSurface() and CreateDrawTargetForSurface() for all // backends). if (aBackend == BackendType::CAIRO) { RefPtr<gfxASurface> surf = CreateOffscreenSurface(aSize, SurfaceFormatToImageFormat(aFormat)); if (!surf || surf->CairoStatus()) { return nullptr; } return CreateDrawTargetForSurface(surf, aSize); } else { return Factory::CreateDrawTarget(aBackend, aSize, aFormat); } } already_AddRefed<DrawTarget> gfxPlatform::CreateOffscreenCanvasDrawTarget(const IntSize& aSize, SurfaceFormat aFormat) { NS_ASSERTION(mPreferredCanvasBackend != BackendType::NONE, "No backend."); RefPtr<DrawTarget> target = CreateDrawTargetForBackend(mPreferredCanvasBackend, aSize, aFormat); if (target || mFallbackCanvasBackend == BackendType::NONE) { return target.forget(); } #ifdef XP_WIN // On Windows, the fallback backend (Cairo) should use its image backend. return Factory::CreateDrawTarget(mFallbackCanvasBackend, aSize, aFormat); #else return CreateDrawTargetForBackend(mFallbackCanvasBackend, aSize, aFormat); #endif } already_AddRefed<DrawTarget> gfxPlatform::CreateOffscreenContentDrawTarget(const IntSize& aSize, SurfaceFormat aFormat) { NS_ASSERTION(mPreferredCanvasBackend != BackendType::NONE, "No backend."); return CreateDrawTargetForBackend(mContentBackend, aSize, aFormat); } already_AddRefed<DrawTarget> gfxPlatform::CreateSimilarSoftwareDrawTarget(DrawTarget* aDT, const IntSize& aSize, SurfaceFormat aFormat) { RefPtr<DrawTarget> dt; if (Factory::DoesBackendSupportDataDrawtarget(aDT->GetBackendType())) { dt = aDT->CreateSimilarDrawTarget(aSize, aFormat); } else { dt = Factory::CreateDrawTarget(BackendType::SKIA, aSize, aFormat); } return dt.forget(); } /* static */ already_AddRefed<DrawTarget> gfxPlatform::CreateDrawTargetForData(unsigned char* aData, const IntSize& aSize, int32_t aStride, SurfaceFormat aFormat) { BackendType backendType = gfxVars::ContentBackend(); NS_ASSERTION(backendType != BackendType::NONE, "No backend."); if (!Factory::DoesBackendSupportDataDrawtarget(backendType)) { backendType = BackendType::CAIRO; } RefPtr<DrawTarget> dt = Factory::CreateDrawTargetForData(backendType, aData, aSize, aStride, aFormat); return dt.forget(); } /* static */ BackendType gfxPlatform::BackendTypeForName(const nsCString& aName) { if (aName.EqualsLiteral("cairo")) return BackendType::CAIRO; if (aName.EqualsLiteral("skia")) return BackendType::SKIA; if (aName.EqualsLiteral("direct2d")) return BackendType::DIRECT2D; if (aName.EqualsLiteral("direct2d1.1")) return BackendType::DIRECT2D1_1; return BackendType::NONE; } nsresult gfxPlatform::GetFontList(nsIAtom *aLangGroup, const nsACString& aGenericFamily, nsTArray<nsString>& aListOfFonts) { gfxPlatformFontList::PlatformFontList()->GetFontList(aLangGroup, aGenericFamily, aListOfFonts); return NS_OK; } nsresult gfxPlatform::UpdateFontList() { gfxPlatformFontList::PlatformFontList()->UpdateFontList(); return NS_OK; } nsresult gfxPlatform::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName) { gfxPlatformFontList::PlatformFontList()->GetStandardFamilyName(aFontName, aFamilyName); return NS_OK; } bool gfxPlatform::DownloadableFontsEnabled() { if (mAllowDownloadableFonts == UNINITIALIZED_VALUE) { mAllowDownloadableFonts = Preferences::GetBool(GFX_DOWNLOADABLE_FONTS_ENABLED, false); } return mAllowDownloadableFonts; } bool gfxPlatform::UseCmapsDuringSystemFallback() { if (mFallbackUsesCmaps == UNINITIALIZED_VALUE) { mFallbackUsesCmaps = Preferences::GetBool(GFX_PREF_FALLBACK_USE_CMAPS, false); } return mFallbackUsesCmaps; } bool gfxPlatform::OpenTypeSVGEnabled() { if (mOpenTypeSVGEnabled == UNINITIALIZED_VALUE) { mOpenTypeSVGEnabled = Preferences::GetBool(GFX_PREF_OPENTYPE_SVG, false); } return mOpenTypeSVGEnabled > 0; } uint32_t gfxPlatform::WordCacheCharLimit() { if (mWordCacheCharLimit == UNINITIALIZED_VALUE) { mWordCacheCharLimit = Preferences::GetInt(GFX_PREF_WORD_CACHE_CHARLIMIT, 32); if (mWordCacheCharLimit < 0) { mWordCacheCharLimit = 32; } } return uint32_t(mWordCacheCharLimit); } uint32_t gfxPlatform::WordCacheMaxEntries() { if (mWordCacheMaxEntries == UNINITIALIZED_VALUE) { mWordCacheMaxEntries = Preferences::GetInt(GFX_PREF_WORD_CACHE_MAXENTRIES, 10000); if (mWordCacheMaxEntries < 0) { mWordCacheMaxEntries = 10000; } } return uint32_t(mWordCacheMaxEntries); } bool gfxPlatform::UseGraphiteShaping() { if (mGraphiteShapingEnabled == UNINITIALIZED_VALUE) { mGraphiteShapingEnabled = Preferences::GetBool(GFX_PREF_GRAPHITE_SHAPING, false); } return mGraphiteShapingEnabled; } gfxFontEntry* gfxPlatform::LookupLocalFont(const nsAString& aFontName, uint16_t aWeight, int16_t aStretch, uint8_t aStyle) { return gfxPlatformFontList::PlatformFontList()->LookupLocalFont(aFontName, aWeight, aStretch, aStyle); } gfxFontEntry* gfxPlatform::MakePlatformFont(const nsAString& aFontName, uint16_t aWeight, int16_t aStretch, uint8_t aStyle, const uint8_t* aFontData, uint32_t aLength) { return gfxPlatformFontList::PlatformFontList()->MakePlatformFont(aFontName, aWeight, aStretch, aStyle, aFontData, aLength); } mozilla::layers::DiagnosticTypes gfxPlatform::GetLayerDiagnosticTypes() { mozilla::layers::DiagnosticTypes type = DiagnosticTypes::NO_DIAGNOSTIC; if (gfxPrefs::DrawLayerBorders()) { type |= mozilla::layers::DiagnosticTypes::LAYER_BORDERS; } if (gfxPrefs::DrawTileBorders()) { type |= mozilla::layers::DiagnosticTypes::TILE_BORDERS; } if (gfxPrefs::DrawBigImageBorders()) { type |= mozilla::layers::DiagnosticTypes::BIGIMAGE_BORDERS; } if (gfxPrefs::FlashLayerBorders()) { type |= mozilla::layers::DiagnosticTypes::FLASH_BORDERS; } return type; } void gfxPlatform::InitBackendPrefs(uint32_t aCanvasBitmask, BackendType aCanvasDefault, uint32_t aContentBitmask, BackendType aContentDefault) { mPreferredCanvasBackend = GetCanvasBackendPref(aCanvasBitmask); if (mPreferredCanvasBackend == BackendType::NONE) { mPreferredCanvasBackend = aCanvasDefault; } if (mPreferredCanvasBackend == BackendType::DIRECT2D1_1) { // Falling back to D2D 1.0 won't help us here. When D2D 1.1 DT creation // fails it means the surface was too big or there's something wrong with // the device. D2D 1.0 will encounter a similar situation. mFallbackCanvasBackend = GetCanvasBackendPref(aCanvasBitmask & ~(BackendTypeBit(mPreferredCanvasBackend) | BackendTypeBit(BackendType::DIRECT2D))); } else { mFallbackCanvasBackend = GetCanvasBackendPref(aCanvasBitmask & ~BackendTypeBit(mPreferredCanvasBackend)); } mContentBackendBitmask = aContentBitmask; mContentBackend = GetContentBackendPref(mContentBackendBitmask); if (mContentBackend == BackendType::NONE) { mContentBackend = aContentDefault; // mContentBackendBitmask is our canonical reference for supported // backends so we need to add the default if we are using it and // overriding the prefs. mContentBackendBitmask |= BackendTypeBit(aContentDefault); } if (XRE_IsParentProcess()) { gfxVars::SetContentBackend(mContentBackend); } } /* static */ BackendType gfxPlatform::GetCanvasBackendPref(uint32_t aBackendBitmask) { return GetBackendPref("gfx.canvas.azure.backends", aBackendBitmask); } /* static */ BackendType gfxPlatform::GetContentBackendPref(uint32_t &aBackendBitmask) { return GetBackendPref("gfx.content.azure.backends", aBackendBitmask); } /* static */ BackendType gfxPlatform::GetBackendPref(const char* aBackendPrefName, uint32_t &aBackendBitmask) { nsTArray<nsCString> backendList; nsCString prefString; if (NS_SUCCEEDED(Preferences::GetCString(aBackendPrefName, &prefString))) { ParseString(prefString, ',', backendList); } uint32_t allowedBackends = 0; BackendType result = BackendType::NONE; for (uint32_t i = 0; i < backendList.Length(); ++i) { BackendType type = BackendTypeForName(backendList[i]); if (BackendTypeBit(type) & aBackendBitmask) { allowedBackends |= BackendTypeBit(type); if (result == BackendType::NONE) { result = type; } } } aBackendBitmask = allowedBackends; return result; } bool gfxPlatform::InSafeMode() { static bool sSafeModeInitialized = false; static bool sInSafeMode = false; if (!sSafeModeInitialized) { sSafeModeInitialized = true; nsCOMPtr<nsIXULRuntime> xr = do_GetService("@mozilla.org/xre/runtime;1"); if (xr) { xr->GetInSafeMode(&sInSafeMode); } } return sInSafeMode; } bool gfxPlatform::OffMainThreadCompositingEnabled() { return UsesOffMainThreadCompositing(); } eCMSMode gfxPlatform::GetCMSMode() { if (!gCMSInitialized) { int32_t mode = gfxPrefs::CMSMode(); if (mode >= 0 && mode < eCMSMode_AllCount) { gCMSMode = static_cast<eCMSMode>(mode); } bool enableV4 = gfxPrefs::CMSEnableV4(); if (enableV4) { qcms_enable_iccv4(); } gCMSInitialized = true; } return gCMSMode; } int gfxPlatform::GetRenderingIntent() { // gfxPrefs.h is using 0 as the default for the rendering // intent preference, based on that being the value for // QCMS_INTENT_DEFAULT. Assert here to catch if that ever // changes and we can then figure out what to do about it. MOZ_ASSERT(QCMS_INTENT_DEFAULT == 0); /* Try to query the pref system for a rendering intent. */ int32_t pIntent = gfxPrefs::CMSRenderingIntent(); if ((pIntent < QCMS_INTENT_MIN) || (pIntent > QCMS_INTENT_MAX)) { /* If the pref is out of range, use embedded profile. */ pIntent = -1; } return pIntent; } void gfxPlatform::TransformPixel(const Color& in, Color& out, qcms_transform *transform) { if (transform) { /* we want the bytes in RGB order */ #ifdef IS_LITTLE_ENDIAN /* ABGR puts the bytes in |RGBA| order on little endian */ uint32_t packed = in.ToABGR(); qcms_transform_data(transform, (uint8_t *)&packed, (uint8_t *)&packed, 1); out = Color::FromABGR(packed); #else /* ARGB puts the bytes in |ARGB| order on big endian */ uint32_t packed = in.UnusualToARGB(); /* add one to move past the alpha byte */ qcms_transform_data(transform, (uint8_t *)&packed + 1, (uint8_t *)&packed + 1, 1); out = Color::UnusualFromARGB(packed); #endif } else if (&out != &in) out = in; } void gfxPlatform::GetPlatformCMSOutputProfile(void *&mem, size_t &size) { mem = nullptr; size = 0; } void gfxPlatform::GetCMSOutputProfileData(void *&mem, size_t &size) { nsAdoptingCString fname = Preferences::GetCString("gfx.color_management.display_profile"); if (!fname.IsEmpty()) { qcms_data_from_path(fname, &mem, &size); } else { gfxPlatform::GetPlatform()->GetPlatformCMSOutputProfile(mem, size); } } void gfxPlatform::CreateCMSOutputProfile() { if (!gCMSOutputProfile) { /* Determine if we're using the internal override to force sRGB as an output profile for reftests. See Bug 452125. Note that we don't normally (outside of tests) set a default value of this preference, which means nsIPrefBranch::GetBoolPref will typically throw (and leave its out-param untouched). */ if (Preferences::GetBool(GFX_PREF_CMS_FORCE_SRGB, false)) { gCMSOutputProfile = GetCMSsRGBProfile(); } if (!gCMSOutputProfile) { void* mem = nullptr; size_t size = 0; GetCMSOutputProfileData(mem, size); if ((mem != nullptr) && (size > 0)) { gCMSOutputProfile = qcms_profile_from_memory(mem, size); free(mem); } } /* Determine if the profile looks bogus. If so, close the profile * and use sRGB instead. See bug 460629, */ if (gCMSOutputProfile && qcms_profile_is_bogus(gCMSOutputProfile)) { NS_ASSERTION(gCMSOutputProfile != GetCMSsRGBProfile(), "Builtin sRGB profile tagged as bogus!!!"); qcms_profile_release(gCMSOutputProfile); gCMSOutputProfile = nullptr; } if (!gCMSOutputProfile) { gCMSOutputProfile = GetCMSsRGBProfile(); } /* Precache the LUT16 Interpolations for the output profile. See bug 444661 for details. */ qcms_profile_precache_output_transform(gCMSOutputProfile); } } qcms_profile * gfxPlatform::GetCMSOutputProfile() { return gCMSOutputProfile; } qcms_profile * gfxPlatform::GetCMSsRGBProfile() { if (!gCMSsRGBProfile) { /* Create the profile using qcms. */ gCMSsRGBProfile = qcms_profile_sRGB(); } return gCMSsRGBProfile; } qcms_transform * gfxPlatform::GetCMSRGBTransform() { if (!gCMSRGBTransform && !gCMSRGBTransformFailed) { qcms_profile *inProfile, *outProfile; outProfile = GetCMSOutputProfile(); inProfile = GetCMSsRGBProfile(); if (!inProfile || !outProfile) return nullptr; gCMSRGBTransform = qcms_transform_create(inProfile, QCMS_DATA_RGB_8, outProfile, QCMS_DATA_RGB_8, QCMS_INTENT_PERCEPTUAL); if (!gCMSRGBTransform) { gCMSRGBTransformFailed = true; } } return gCMSRGBTransform; } qcms_transform * gfxPlatform::GetCMSInverseRGBTransform() { if (!gCMSInverseRGBTransform) { qcms_profile *inProfile, *outProfile; inProfile = GetCMSOutputProfile(); outProfile = GetCMSsRGBProfile(); if (!inProfile || !outProfile) return nullptr; gCMSInverseRGBTransform = qcms_transform_create(inProfile, QCMS_DATA_RGB_8, outProfile, QCMS_DATA_RGB_8, QCMS_INTENT_PERCEPTUAL); } return gCMSInverseRGBTransform; } qcms_transform * gfxPlatform::GetCMSRGBATransform() { if (!gCMSRGBATransform) { qcms_profile *inProfile, *outProfile; outProfile = GetCMSOutputProfile(); inProfile = GetCMSsRGBProfile(); if (!inProfile || !outProfile) return nullptr; gCMSRGBATransform = qcms_transform_create(inProfile, QCMS_DATA_RGBA_8, outProfile, QCMS_DATA_RGBA_8, QCMS_INTENT_PERCEPTUAL); } return gCMSRGBATransform; } /* Shuts down various transforms and profiles for CMS. */ static void ShutdownCMS() { if (gCMSRGBTransform) { qcms_transform_release(gCMSRGBTransform); gCMSRGBTransform = nullptr; } if (gCMSInverseRGBTransform) { qcms_transform_release(gCMSInverseRGBTransform); gCMSInverseRGBTransform = nullptr; } if (gCMSRGBATransform) { qcms_transform_release(gCMSRGBATransform); gCMSRGBATransform = nullptr; } if (gCMSOutputProfile) { qcms_profile_release(gCMSOutputProfile); // handle the aliased case if (gCMSsRGBProfile == gCMSOutputProfile) gCMSsRGBProfile = nullptr; gCMSOutputProfile = nullptr; } if (gCMSsRGBProfile) { qcms_profile_release(gCMSsRGBProfile); gCMSsRGBProfile = nullptr; } // Reset the state variables gCMSMode = eCMSMode_Off; gCMSInitialized = false; } // default SetupClusterBoundaries, based on Unicode properties; // platform subclasses may override if they wish void gfxPlatform::SetupClusterBoundaries(gfxTextRun *aTextRun, const char16_t *aString) { if (aTextRun->GetFlags() & gfxTextRunFactory::TEXT_IS_8BIT) { // 8-bit text doesn't have clusters. // XXX is this true in all languages??? // behdad: don't think so. Czech for example IIRC has a // 'ch' grapheme. // jfkthame: but that's not expected to behave as a grapheme cluster // for selection/editing/etc. return; } aTextRun->SetupClusterBoundaries(0, aString, aTextRun->GetLength()); } int32_t gfxPlatform::GetBidiNumeralOption() { if (mBidiNumeralOption == UNINITIALIZED_VALUE) { mBidiNumeralOption = Preferences::GetInt(BIDI_NUMERAL_PREF, 0); } return mBidiNumeralOption; } /* static */ void gfxPlatform::FlushFontAndWordCaches() { gfxFontCache *fontCache = gfxFontCache::GetCache(); if (fontCache) { fontCache->AgeAllGenerations(); fontCache->FlushShapedWordCaches(); } gfxPlatform::PurgeSkiaFontCache(); } void gfxPlatform::FontsPrefsChanged(const char *aPref) { NS_ASSERTION(aPref != nullptr, "null preference"); if (!strcmp(GFX_DOWNLOADABLE_FONTS_ENABLED, aPref)) { mAllowDownloadableFonts = UNINITIALIZED_VALUE; } else if (!strcmp(GFX_PREF_FALLBACK_USE_CMAPS, aPref)) { mFallbackUsesCmaps = UNINITIALIZED_VALUE; } else if (!strcmp(GFX_PREF_WORD_CACHE_CHARLIMIT, aPref)) { mWordCacheCharLimit = UNINITIALIZED_VALUE; FlushFontAndWordCaches(); } else if (!strcmp(GFX_PREF_WORD_CACHE_MAXENTRIES, aPref)) { mWordCacheMaxEntries = UNINITIALIZED_VALUE; FlushFontAndWordCaches(); } else if (!strcmp(GFX_PREF_GRAPHITE_SHAPING, aPref)) { mGraphiteShapingEnabled = UNINITIALIZED_VALUE; FlushFontAndWordCaches(); } else if (!strcmp(BIDI_NUMERAL_PREF, aPref)) { mBidiNumeralOption = UNINITIALIZED_VALUE; } else if (!strcmp(GFX_PREF_OPENTYPE_SVG, aPref)) { mOpenTypeSVGEnabled = UNINITIALIZED_VALUE; gfxFontCache::GetCache()->AgeAllGenerations(); } } mozilla::LogModule* gfxPlatform::GetLog(eGfxLog aWhichLog) { // logs shared across gfx static LazyLogModule sFontlistLog("fontlist"); static LazyLogModule sFontInitLog("fontinit"); static LazyLogModule sTextrunLog("textrun"); static LazyLogModule sTextrunuiLog("textrunui"); static LazyLogModule sCmapDataLog("cmapdata"); static LazyLogModule sTextPerfLog("textperf"); switch (aWhichLog) { case eGfxLog_fontlist: return sFontlistLog; case eGfxLog_fontinit: return sFontInitLog; case eGfxLog_textrun: return sTextrunLog; case eGfxLog_textrunui: return sTextrunuiLog; case eGfxLog_cmapdata: return sCmapDataLog; case eGfxLog_textperf: return sTextPerfLog; } MOZ_ASSERT_UNREACHABLE("Unexpected log type"); return nullptr; } mozilla::gfx::SurfaceFormat gfxPlatform::Optimal2DFormatForContent(gfxContentType aContent) { switch (aContent) { case gfxContentType::COLOR: switch (GetOffscreenFormat()) { case SurfaceFormat::A8R8G8B8_UINT32: return mozilla::gfx::SurfaceFormat::B8G8R8A8; case SurfaceFormat::X8R8G8B8_UINT32: return mozilla::gfx::SurfaceFormat::B8G8R8X8; case SurfaceFormat::R5G6B5_UINT16: return mozilla::gfx::SurfaceFormat::R5G6B5_UINT16; default: NS_NOTREACHED("unknown gfxImageFormat for gfxContentType::COLOR"); return mozilla::gfx::SurfaceFormat::B8G8R8A8; } case gfxContentType::ALPHA: return mozilla::gfx::SurfaceFormat::A8; case gfxContentType::COLOR_ALPHA: return mozilla::gfx::SurfaceFormat::B8G8R8A8; default: NS_NOTREACHED("unknown gfxContentType"); return mozilla::gfx::SurfaceFormat::B8G8R8A8; } } gfxImageFormat gfxPlatform::OptimalFormatForContent(gfxContentType aContent) { switch (aContent) { case gfxContentType::COLOR: return GetOffscreenFormat(); case gfxContentType::ALPHA: return SurfaceFormat::A8; case gfxContentType::COLOR_ALPHA: return SurfaceFormat::A8R8G8B8_UINT32; default: NS_NOTREACHED("unknown gfxContentType"); return SurfaceFormat::A8R8G8B8_UINT32; } } /** * There are a number of layers acceleration (or layers in general) preferences * that should be consistent for the lifetime of the application (bug 840967). * As such, we will evaluate them all as soon as one of them is evaluated * and remember the values. Changing these preferences during the run will * not have any effect until we restart. */ static mozilla::Atomic<bool> sLayersSupportsHardwareVideoDecoding(false); static bool sLayersHardwareVideoDecodingFailed = false; static bool sBufferRotationCheckPref = true; static mozilla::Atomic<bool> sLayersAccelerationPrefsInitialized(false); void VideoDecodingFailedChangedCallback(const char* aPref, void*) { sLayersHardwareVideoDecodingFailed = Preferences::GetBool(aPref, false); gfxPlatform::GetPlatform()->UpdateCanUseHardwareVideoDecoding(); } void gfxPlatform::UpdateCanUseHardwareVideoDecoding() { if (XRE_IsParentProcess()) { gfxVars::SetCanUseHardwareVideoDecoding(CanUseHardwareVideoDecoding()); } } void gfxPlatform::InitAcceleration() { if (sLayersAccelerationPrefsInitialized) { return; } InitCompositorAccelerationPrefs(); // If this is called for the first time on a non-main thread, we're screwed. // At the moment there's no explicit guarantee that the main thread calls // this before the compositor thread, but let's at least make the assumption // explicit. MOZ_ASSERT(NS_IsMainThread(), "can only initialize prefs on the main thread"); gfxPrefs::GetSingleton(); if (XRE_IsParentProcess()) { gfxVars::SetBrowserTabsRemoteAutostart(BrowserTabsRemoteAutostart()); gfxVars::SetOffscreenFormat(GetOffscreenFormat()); gfxVars::SetRequiresAcceleratedGLContextForCompositorOGL( RequiresAcceleratedGLContextForCompositorOGL()); } nsCOMPtr<nsIGfxInfo> gfxInfo = services::GetGfxInfo(); nsCString discardFailureId; int32_t status; if (Preferences::GetBool("media.hardware-video-decoding.enabled", false) && #ifdef XP_WIN Preferences::GetBool("media.windows-media-foundation.use-dxva", true) && #endif NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING, discardFailureId, &status))) { if (status == nsIGfxInfo::FEATURE_STATUS_OK || gfxPrefs::HardwareVideoDecodingForceEnabled()) { sLayersSupportsHardwareVideoDecoding = true; } } sLayersAccelerationPrefsInitialized = true; if (XRE_IsParentProcess()) { Preferences::RegisterCallbackAndCall(VideoDecodingFailedChangedCallback, "media.hardware-video-decoding.failed", nullptr, Preferences::ExactMatch); InitGPUProcessPrefs(); } } void gfxPlatform::InitGPUProcessPrefs() { // We want to hide this from about:support, so only set a default if the // pref is known to be true. if (!gfxPrefs::GPUProcessDevEnabled() && !gfxPrefs::GPUProcessDevForceEnabled()) { return; } FeatureState& gpuProc = gfxConfig::GetFeature(Feature::GPU_PROCESS); gpuProc.SetDefaultFromPref( gfxPrefs::GetGPUProcessDevEnabledPrefName(), true, gfxPrefs::GetGPUProcessDevEnabledPrefDefault()); if (gfxPrefs::GPUProcessDevForceEnabled()) { gpuProc.UserForceEnable("User force-enabled via pref"); } // We require E10S - otherwise, there is very little benefit to the GPU // process, since the UI process must still use acceleration for // performance. if (!BrowserTabsRemoteAutostart()) { gpuProc.ForceDisable( FeatureStatus::Unavailable, "Multi-process mode is not enabled", NS_LITERAL_CSTRING("FEATURE_FAILURE_NO_E10S")); return; } if (InSafeMode()) { gpuProc.ForceDisable( FeatureStatus::Blocked, "Safe-mode is enabled", NS_LITERAL_CSTRING("FEATURE_FAILURE_SAFE_MODE")); return; } if (gfxPrefs::LayerScopeEnabled()) { gpuProc.ForceDisable( FeatureStatus::Blocked, "LayerScope does not work in the GPU process", NS_LITERAL_CSTRING("FEATURE_FAILURE_LAYERSCOPE")); return; } } void gfxPlatform::InitCompositorAccelerationPrefs() { const char *acceleratedEnv = PR_GetEnv("MOZ_ACCELERATED"); FeatureState& feature = gfxConfig::GetFeature(Feature::HW_COMPOSITING); // Base value - does the platform allow acceleration? if (feature.SetDefault(AccelerateLayersByDefault(), FeatureStatus::Blocked, "Acceleration blocked by platform")) { if (gfxPrefs::LayersAccelerationDisabledDoNotUseDirectly()) { feature.UserDisable("Disabled by pref", NS_LITERAL_CSTRING("FEATURE_FAILURE_COMP_PREF")); } else if (acceleratedEnv && *acceleratedEnv == '0') { feature.UserDisable("Disabled by envvar", NS_LITERAL_CSTRING("FEATURE_FAILURE_COMP_ENV")); } } else { if (acceleratedEnv && *acceleratedEnv == '1') { feature.UserEnable("Enabled by envvar"); } } // This has specific meaning elsewhere, so we always record it. if (gfxPrefs::LayersAccelerationForceEnabledDoNotUseDirectly()) { feature.UserForceEnable("Force-enabled by pref"); } // Safe mode trumps everything. if (InSafeMode()) { feature.ForceDisable(FeatureStatus::Blocked, "Acceleration blocked by safe-mode", NS_LITERAL_CSTRING("FEATURE_FAILURE_COMP_SAFEMODE")); } } bool gfxPlatform::CanUseHardwareVideoDecoding() { // this function is called from the compositor thread, so it is not // safe to init the prefs etc. from here. MOZ_ASSERT(sLayersAccelerationPrefsInitialized); return sLayersSupportsHardwareVideoDecoding && !sLayersHardwareVideoDecodingFailed; } bool gfxPlatform::AccelerateLayersByDefault() { #if defined(MOZ_GL_PROVIDER) || defined(MOZ_WIDGET_UIKIT) return true; #else return false; #endif } bool gfxPlatform::BufferRotationEnabled() { MutexAutoLock autoLock(*gGfxPlatformPrefsLock); return sBufferRotationCheckPref && gfxPrefs::BufferRotationEnabled(); } void gfxPlatform::DisableBufferRotation() { MutexAutoLock autoLock(*gGfxPlatformPrefsLock); sBufferRotationCheckPref = false; } already_AddRefed<ScaledFont> gfxPlatform::GetScaledFontForFontWithCairoSkia(DrawTarget* aTarget, gfxFont* aFont) { NativeFont nativeFont; if (aTarget->GetBackendType() == BackendType::CAIRO || aTarget->GetBackendType() == BackendType::SKIA) { nativeFont.mType = NativeFontType::CAIRO_FONT_FACE; nativeFont.mFont = aFont->GetCairoScaledFont(); return Factory::CreateScaledFontForNativeFont(nativeFont, aFont->GetAdjustedSize()); } return nullptr; } /* static */ bool gfxPlatform::UsesOffMainThreadCompositing() { if (XRE_GetProcessType() == GeckoProcessType_GPU) { return true; } static bool firstTime = true; static bool result = false; if (firstTime) { MOZ_ASSERT(sLayersAccelerationPrefsInitialized); result = gfxVars::BrowserTabsRemoteAutostart() || !gfxPrefs::LayersOffMainThreadCompositionForceDisabled(); #if defined(MOZ_WIDGET_GTK) // Linux users who chose OpenGL are being grandfathered in to OMTC result |= gfxPrefs::LayersAccelerationForceEnabledDoNotUseDirectly(); #endif firstTime = false; } return result; } /*** * The preference "layout.frame_rate" has 3 meanings depending on the value: * * -1 = Auto (default), use hardware vsync or software vsync @ 60 hz if hw vsync fails. * 0 = ASAP mode - used during talos testing. * X = Software vsync at a rate of X times per second. */ already_AddRefed<mozilla::gfx::VsyncSource> gfxPlatform::CreateHardwareVsyncSource() { RefPtr<mozilla::gfx::VsyncSource> softwareVsync = new SoftwareVsyncSource(); return softwareVsync.forget(); } /* static */ bool gfxPlatform::IsInLayoutAsapMode() { // There are 2 modes of ASAP mode. // 1 is that the refresh driver and compositor are in lock step // the second is that the compositor goes ASAP and the refresh driver // goes at whatever the configurated rate is. This only checks the version // talos uses, which is the refresh driver and compositor are in lockstep. return gfxPrefs::LayoutFrameRate() == 0; } /* static */ bool gfxPlatform::ForceSoftwareVsync() { return gfxPrefs::LayoutFrameRate() > 0; } /* static */ int gfxPlatform::GetSoftwareVsyncRate() { int preferenceRate = gfxPrefs::LayoutFrameRate(); if (preferenceRate <= 0) { return gfxPlatform::GetDefaultFrameRate(); } return preferenceRate; } /* static */ int gfxPlatform::GetDefaultFrameRate() { return 60; } void gfxPlatform::GetApzSupportInfo(mozilla::widget::InfoObject& aObj) { if (!gfxPlatform::AsyncPanZoomEnabled()) { return; } if (SupportsApzWheelInput()) { aObj.DefineProperty("ApzWheelInput", 1); } if (SupportsApzTouchInput()) { aObj.DefineProperty("ApzTouchInput", 1); } if (SupportsApzDragInput()) { aObj.DefineProperty("ApzDragInput", 1); } } void gfxPlatform::GetTilesSupportInfo(mozilla::widget::InfoObject& aObj) { if (!gfxPrefs::LayersTilesEnabled()) { return; } IntSize tileSize = gfxVars::TileSize(); aObj.DefineProperty("TileHeight", tileSize.height); aObj.DefineProperty("TileWidth", tileSize.width); } /*static*/ bool gfxPlatform::AsyncPanZoomEnabled() { #if !defined(MOZ_WIDGET_ANDROID) && !defined(MOZ_WIDGET_UIKIT) // For XUL applications (everything but Firefox on Android) we only want // to use APZ when E10S is enabled. If we ever get input events off the // main thread we can consider relaxing this requirement. if (!BrowserTabsRemoteAutostart()) { return false; } #endif #ifdef MOZ_WIDGET_ANDROID return true; #else return gfxPrefs::AsyncPanZoomEnabledDoNotUseDirectly(); #endif } /*static*/ bool gfxPlatform::PerfWarnings() { return gfxPrefs::PerfWarnings(); } void gfxPlatform::GetAcceleratedCompositorBackends(nsTArray<LayersBackend>& aBackends) { if (gfxConfig::IsEnabled(Feature::OPENGL_COMPOSITING)) { aBackends.AppendElement(LayersBackend::LAYERS_OPENGL); } else { static int tell_me_once = 0; if (!tell_me_once) { NS_WARNING("OpenGL-accelerated layers are not supported on this system"); tell_me_once = 1; } #ifdef MOZ_WIDGET_ANDROID NS_RUNTIMEABORT("OpenGL-accelerated layers are a hard requirement on this platform. " "Cannot continue without support for them"); #endif } } void gfxPlatform::GetCompositorBackends(bool useAcceleration, nsTArray<mozilla::layers::LayersBackend>& aBackends) { if (useAcceleration) { GetAcceleratedCompositorBackends(aBackends); } aBackends.AppendElement(LayersBackend::LAYERS_BASIC); } void gfxPlatform::NotifyCompositorCreated(LayersBackend aBackend) { if (mCompositorBackend == aBackend) { return; } if (mCompositorBackend != LayersBackend::LAYERS_NONE) { gfxCriticalNote << "Compositors might be mixed (" << int(mCompositorBackend) << "," << int(aBackend) << ")"; } // Set the backend before we notify so it's available immediately. mCompositorBackend = aBackend; // Notify that we created a compositor, so telemetry can update. NS_DispatchToMainThread(NS_NewRunnableFunction([] { if (nsCOMPtr<nsIObserverService> obsvc = services::GetObserverService()) { obsvc->NotifyObservers(nullptr, "compositor:created", nullptr); } })); } void gfxPlatform::FetchAndImportContentDeviceData() { MOZ_ASSERT(XRE_IsContentProcess()); mozilla::dom::ContentChild* cc = mozilla::dom::ContentChild::GetSingleton(); mozilla::gfx::ContentDeviceData data; cc->SendGetGraphicsDeviceInitData(&data); ImportContentDeviceData(data); } void gfxPlatform::ImportContentDeviceData(const mozilla::gfx::ContentDeviceData& aData) { MOZ_ASSERT(XRE_IsContentProcess()); const DevicePrefs& prefs = aData.prefs(); gfxConfig::Inherit(Feature::HW_COMPOSITING, prefs.hwCompositing()); gfxConfig::Inherit(Feature::OPENGL_COMPOSITING, prefs.oglCompositing()); } void gfxPlatform::BuildContentDeviceData(mozilla::gfx::ContentDeviceData* aOut) { MOZ_ASSERT(XRE_IsParentProcess()); // Make sure our settings are synchronized from the GPU process. GPUProcessManager::Get()->EnsureGPUReady(); aOut->prefs().hwCompositing() = gfxConfig::GetValue(Feature::HW_COMPOSITING); aOut->prefs().oglCompositing() = gfxConfig::GetValue(Feature::OPENGL_COMPOSITING); } void gfxPlatform::ImportGPUDeviceData(const mozilla::gfx::GPUDeviceData& aData) { MOZ_ASSERT(XRE_IsParentProcess()); gfxConfig::ImportChange(Feature::OPENGL_COMPOSITING, aData.oglCompositing()); } bool gfxPlatform::SupportsApzDragInput() const { return gfxPrefs::APZDragEnabled(); } void gfxPlatform::BumpDeviceCounter() { mDeviceCounter++; } void gfxPlatform::InitOpenGLConfig() { #ifdef XP_WIN // Don't enable by default on Windows, since it could show up in about:support even // though it'll never get used. Only attempt if user enables the pref if (!Preferences::GetBool("layers.prefer-opengl")){ return; } #endif FeatureState& openGLFeature = gfxConfig::GetFeature(Feature::OPENGL_COMPOSITING); // Check to see hw comp supported if (!gfxConfig::IsEnabled(Feature::HW_COMPOSITING)) { openGLFeature.DisableByDefault(FeatureStatus::Unavailable, "Hardware compositing is disabled", NS_LITERAL_CSTRING("FEATURE_FAILURE_OPENGL_NEED_HWCOMP")); return; } #ifdef XP_WIN openGLFeature.SetDefaultFromPref( gfxPrefs::GetLayersPreferOpenGLPrefName(), true, gfxPrefs::GetLayersPreferOpenGLPrefDefault()); #else openGLFeature.EnableByDefault(); #endif // When layers acceleration is force-enabled, enable it even for blacklisted // devices. if (gfxPrefs::LayersAccelerationForceEnabledDoNotUseDirectly()) { openGLFeature.UserForceEnable("Force-enabled by pref"); return; } nsCString message; nsCString failureId; if (!IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_OPENGL_LAYERS, &message, failureId)) { openGLFeature.Disable(FeatureStatus::Blacklisted, message.get(), failureId); } } bool gfxPlatform::IsGfxInfoStatusOkay(int32_t aFeature, nsCString* aOutMessage, nsCString& aFailureId) { nsCOMPtr<nsIGfxInfo> gfxInfo = services::GetGfxInfo(); if (!gfxInfo) { return true; } int32_t status; if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(aFeature, aFailureId, &status)) && status != nsIGfxInfo::FEATURE_STATUS_OK) { aOutMessage->AssignLiteral("#BLOCKLIST_"); aOutMessage->AppendASCII(aFailureId.get()); return false; } return true; }