mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-06 00:55:37 +00:00
5e0adb7d56
CLOSED TREE Backed out changeset cfb53b780b18 (bug 1271180) Backed out changeset 204b084385f8 (bug 1271180) Backed out changeset 353da876be33 (bug 1271180) Backed out changeset 4472dfbc1dc6 (bug 1271180) Backed out changeset 81079e787b8a (bug 1271180) --HG-- rename : ipc/glue/TaskFactory.h => dom/plugins/ipc/TaskFactory.h
2455 lines
74 KiB
C++
2455 lines
74 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/layers/AsyncTransactionTracker.h" // for AsyncTransactionTracker
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#include "mozilla/layers/CompositorBridgeChild.h"
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#include "mozilla/layers/CompositorThread.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/SharedBufferManagerChild.h"
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#include "mozilla/layers/ISurfaceAllocator.h" // for GfxMemoryImageReporter
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#include "mozilla/gfx/GPUProcessManager.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/Logging.h"
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#include "mozilla/Services.h"
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#include "prprf.h"
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#include "gfxCrashReporterUtils.h"
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#include "gfxPlatform.h"
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#include "gfxPrefs.h"
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#include "gfxEnv.h"
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#include "gfxTextRun.h"
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#include "gfxConfig.h"
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#include "MediaPrefs.h"
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#ifdef XP_WIN
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#include <process.h>
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#define getpid _getpid
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#else
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#include <unistd.h>
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#endif
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#include "nsXULAppAPI.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsDirectoryServiceDefs.h"
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#if defined(XP_WIN)
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#include "gfxWindowsPlatform.h"
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#elif defined(XP_MACOSX)
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#include "gfxPlatformMac.h"
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#include "gfxQuartzSurface.h"
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#elif defined(MOZ_WIDGET_GTK)
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#include "gfxPlatformGtk.h"
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#elif defined(MOZ_WIDGET_QT)
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#include "gfxQtPlatform.h"
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#elif defined(ANDROID)
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#include "gfxAndroidPlatform.h"
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#endif
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#ifdef XP_WIN
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#include "mozilla/WindowsVersion.h"
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#endif
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#include "nsGkAtoms.h"
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#include "gfxPlatformFontList.h"
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#include "gfxContext.h"
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#include "gfxImageSurface.h"
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#include "nsUnicodeProperties.h"
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#include "harfbuzz/hb.h"
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#include "gfxGraphiteShaper.h"
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#include "gfx2DGlue.h"
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#include "gfxGradientCache.h"
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#include "gfxUtils.h" // for NextPowerOfTwo
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#include "nsUnicodeRange.h"
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#include "nsServiceManagerUtils.h"
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#include "nsTArray.h"
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#include "nsILocaleService.h"
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#include "nsIObserverService.h"
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#include "nsIScreenManager.h"
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#include "FrameMetrics.h"
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#include "MainThreadUtils.h"
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#ifdef MOZ_CRASHREPORTER
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#include "nsExceptionHandler.h"
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#endif
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#include "nsWeakReference.h"
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#include "cairo.h"
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#include "qcms.h"
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#include "imgITools.h"
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#include "plstr.h"
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#include "nsCRT.h"
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#include "GLContext.h"
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#include "GLContextProvider.h"
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#include "mozilla/gfx/Logging.h"
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#if defined(MOZ_WIDGET_GTK)
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#include "gfxPlatformGtk.h" // xxx - for UseFcFontList
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#endif
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#ifdef MOZ_WIDGET_ANDROID
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#include "TexturePoolOGL.h"
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#endif
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#ifdef MOZ_WIDGET_GONK
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#include "mozilla/layers/GrallocTextureHost.h"
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#endif
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#include "mozilla/Hal.h"
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#ifdef USE_SKIA
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# ifdef __GNUC__
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# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Wshadow"
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# endif
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# include "skia/include/core/SkGraphics.h"
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# ifdef USE_SKIA_GPU
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# include "skia/include/gpu/GrContext.h"
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# include "skia/include/gpu/gl/GrGLInterface.h"
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# include "SkiaGLGlue.h"
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# endif
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# ifdef __GNUC__
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# pragma GCC diagnostic pop // -Wshadow
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# endif
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static const uint32_t kDefaultGlyphCacheSize = -1;
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#endif
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#if !defined(USE_SKIA) || !defined(USE_SKIA_GPU)
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class mozilla::gl::SkiaGLGlue : public GenericAtomicRefCounted {
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};
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#endif
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#include "mozilla/Preferences.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Mutex.h"
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#include "nsAlgorithm.h"
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#include "nsIGfxInfo.h"
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#include "nsIXULRuntime.h"
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#include "VsyncSource.h"
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#include "SoftwareVsyncSource.h"
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#include "nscore.h" // for NS_FREE_PERMANENT_DATA
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#include "mozilla/dom/ContentChild.h"
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#include "gfxVR.h"
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#include "VRManagerChild.h"
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namespace mozilla {
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namespace layers {
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#ifdef MOZ_WIDGET_GONK
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void InitGralloc();
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#endif
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void ShutdownTileCache();
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} // namespace layers
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} // namespace mozilla
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using namespace mozilla;
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using namespace mozilla::layers;
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using namespace mozilla::gl;
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using namespace mozilla::gfx;
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gfxPlatform *gPlatform = nullptr;
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static bool gEverInitialized = false;
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static Mutex* gGfxPlatformPrefsLock = nullptr;
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// These two may point to the same profile
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static qcms_profile *gCMSOutputProfile = nullptr;
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static qcms_profile *gCMSsRGBProfile = nullptr;
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static qcms_transform *gCMSRGBTransform = nullptr;
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static qcms_transform *gCMSInverseRGBTransform = nullptr;
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static qcms_transform *gCMSRGBATransform = nullptr;
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static bool gCMSInitialized = false;
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static eCMSMode gCMSMode = eCMSMode_Off;
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// Device init data should only be used on child processes, so we protect it
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// behind a getter here.
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static DeviceInitData sDeviceInitDataDoNotUseDirectly;
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static void ShutdownCMS();
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/SourceSurfaceCairo.h"
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using namespace mozilla::gfx;
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/* Class to listen for pref changes so that chrome code can dynamically
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force sRGB as an output profile. See Bug #452125. */
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class SRGBOverrideObserver final : public nsIObserver,
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public nsSupportsWeakReference
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{
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~SRGBOverrideObserver() {}
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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};
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/// This override of the LogForwarder, initially used for the critical graphics
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/// errors, is sending the log to the crash annotations as well, but only
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/// if the capacity set with the method below is >= 2. We always retain the
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/// very first critical message, and the latest capacity-1 messages are
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/// rotated through. Note that we don't expect the total number of times
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/// this gets called to be large - it is meant for critical errors only.
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class CrashStatsLogForwarder: public mozilla::gfx::LogForwarder
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{
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public:
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explicit CrashStatsLogForwarder(const char* aKey);
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virtual void Log(const std::string& aString) override;
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virtual void CrashAction(LogReason aReason) override;
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virtual bool UpdateStringsVector(const std::string& aString) override;
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virtual LoggingRecord LoggingRecordCopy() override;
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void SetCircularBufferSize(uint32_t aCapacity);
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private:
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// Helper for the Log()
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void UpdateCrashReport();
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private:
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LoggingRecord mBuffer;
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nsCString mCrashCriticalKey;
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uint32_t mMaxCapacity;
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int32_t mIndex;
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Mutex mMutex;
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};
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CrashStatsLogForwarder::CrashStatsLogForwarder(const char* aKey)
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: mBuffer()
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, mCrashCriticalKey(aKey)
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, mMaxCapacity(0)
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, mIndex(-1)
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, mMutex("CrashStatsLogForwarder")
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{
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}
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void CrashStatsLogForwarder::SetCircularBufferSize(uint32_t aCapacity)
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{
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MutexAutoLock lock(mMutex);
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mMaxCapacity = aCapacity;
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mBuffer.reserve(static_cast<size_t>(aCapacity));
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}
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LoggingRecord
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CrashStatsLogForwarder::LoggingRecordCopy()
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{
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MutexAutoLock lock(mMutex);
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return mBuffer;
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}
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bool
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CrashStatsLogForwarder::UpdateStringsVector(const std::string& aString)
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{
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// We want at least the first one and the last one. Otherwise, no point.
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if (mMaxCapacity < 2) {
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return false;
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}
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mIndex += 1;
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MOZ_ASSERT(mIndex >= 0);
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// index will count 0, 1, 2, ..., max-1, 1, 2, ..., max-1, 1, 2, ...
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int32_t index = mIndex ? (mIndex-1) % (mMaxCapacity-1) + 1 : 0;
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MOZ_ASSERT(index >= 0 && index < (int32_t)mMaxCapacity);
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MOZ_ASSERT(index <= mIndex && index <= (int32_t)mBuffer.size());
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bool ignored;
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double tStamp = (TimeStamp::NowLoRes()-TimeStamp::ProcessCreation(ignored)).ToSecondsSigDigits();
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// Checking for index >= mBuffer.size(), rather than index == mBuffer.size()
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// just out of paranoia, but we know index <= mBuffer.size().
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LoggingRecordEntry newEntry(mIndex,aString,tStamp);
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if (index >= static_cast<int32_t>(mBuffer.size())) {
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mBuffer.push_back(newEntry);
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} else {
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mBuffer[index] = newEntry;
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}
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return true;
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}
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void CrashStatsLogForwarder::UpdateCrashReport()
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{
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std::stringstream message;
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if (XRE_IsParentProcess()) {
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for(LoggingRecord::iterator it = mBuffer.begin(); it != mBuffer.end(); ++it) {
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message << "|[" << Get<0>(*it) << "]" << Get<1>(*it) << " (t=" << Get<2>(*it) << ") ";
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}
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} else {
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for(LoggingRecord::iterator it = mBuffer.begin(); it != mBuffer.end(); ++it) {
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message << "|[C" << Get<0>(*it) << "]" << Get<1>(*it) << " (t=" << Get<2>(*it) << ") ";
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}
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}
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#ifdef MOZ_CRASHREPORTER
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nsCString reportString(message.str().c_str());
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nsresult annotated = CrashReporter::AnnotateCrashReport(mCrashCriticalKey, reportString);
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#else
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nsresult annotated = NS_ERROR_NOT_IMPLEMENTED;
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#endif
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if (annotated != NS_OK) {
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printf("Crash Annotation %s: %s",
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mCrashCriticalKey.get(), message.str().c_str());
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}
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}
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class LogForwarderEvent : public Runnable
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{
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virtual ~LogForwarderEvent() {}
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NS_DECL_ISUPPORTS_INHERITED
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explicit LogForwarderEvent(const nsCString& aMessage) : mMessage(aMessage) {}
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NS_IMETHOD Run() override {
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MOZ_ASSERT(NS_IsMainThread() && XRE_IsContentProcess());
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dom::ContentChild* cc = dom::ContentChild::GetSingleton();
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cc->SendGraphicsError(mMessage);
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return NS_OK;
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}
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protected:
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nsCString mMessage;
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};
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NS_IMPL_ISUPPORTS_INHERITED0(LogForwarderEvent, Runnable);
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void CrashStatsLogForwarder::Log(const std::string& aString)
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{
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MutexAutoLock lock(mMutex);
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if (UpdateStringsVector(aString)) {
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UpdateCrashReport();
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}
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// Add it to the parent strings
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if (!XRE_IsParentProcess()) {
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nsCString stringToSend(aString.c_str());
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if (NS_IsMainThread()) {
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dom::ContentChild* cc = dom::ContentChild::GetSingleton();
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cc->SendGraphicsError(stringToSend);
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} else {
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nsCOMPtr<nsIRunnable> r1 = new LogForwarderEvent(stringToSend);
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NS_DispatchToMainThread(r1);
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}
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}
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}
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class CrashTelemetryEvent : public Runnable
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{
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virtual ~CrashTelemetryEvent() {}
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NS_DECL_ISUPPORTS_INHERITED
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explicit CrashTelemetryEvent(uint32_t aReason) : mReason(aReason) {}
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NS_IMETHOD Run() override {
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MOZ_ASSERT(NS_IsMainThread());
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Telemetry::Accumulate(Telemetry::GFX_CRASH, mReason);
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return NS_OK;
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}
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protected:
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uint32_t mReason;
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};
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NS_IMPL_ISUPPORTS_INHERITED0(CrashTelemetryEvent, Runnable);
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void
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CrashStatsLogForwarder::CrashAction(LogReason aReason)
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{
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#ifndef RELEASE_BUILD
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// Non-release builds crash by default, but will use telemetry
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// if this environment variable is present.
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static bool useTelemetry = gfxEnv::GfxDevCrashTelemetry();
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#else
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// Release builds use telemetry by default, but will crash instead
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// if this environment variable is present.
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static bool useTelemetry = !gfxEnv::GfxDevCrashMozCrash();
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#endif
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if (useTelemetry) {
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// The callers need to assure that aReason is in the range
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// that the telemetry call below supports.
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if (NS_IsMainThread()) {
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Telemetry::Accumulate(Telemetry::GFX_CRASH, (uint32_t)aReason);
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} else {
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nsCOMPtr<nsIRunnable> r1 = new CrashTelemetryEvent((uint32_t)aReason);
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NS_DispatchToMainThread(r1);
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}
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} else {
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// ignoring aReason, we can get the information we need from the stack
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MOZ_CRASH("GFX_CRASH");
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}
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}
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NS_IMPL_ISUPPORTS(SRGBOverrideObserver, nsIObserver, nsISupportsWeakReference)
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#define GFX_DOWNLOADABLE_FONTS_ENABLED "gfx.downloadable_fonts.enabled"
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#define GFX_PREF_FALLBACK_USE_CMAPS "gfx.font_rendering.fallback.always_use_cmaps"
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#define GFX_PREF_OPENTYPE_SVG "gfx.font_rendering.opentype_svg.enabled"
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#define GFX_PREF_WORD_CACHE_CHARLIMIT "gfx.font_rendering.wordcache.charlimit"
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#define GFX_PREF_WORD_CACHE_MAXENTRIES "gfx.font_rendering.wordcache.maxentries"
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#define GFX_PREF_GRAPHITE_SHAPING "gfx.font_rendering.graphite.enabled"
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#define BIDI_NUMERAL_PREF "bidi.numeral"
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#define GFX_PREF_CMS_FORCE_SRGB "gfx.color_management.force_srgb"
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NS_IMETHODIMP
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SRGBOverrideObserver::Observe(nsISupports *aSubject,
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const char *aTopic,
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const char16_t* someData)
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{
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NS_ASSERTION(NS_strcmp(someData,
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MOZ_UTF16(GFX_PREF_CMS_FORCE_SRGB)) == 0,
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"Restarting CMS on wrong pref!");
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ShutdownCMS();
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// Update current cms profile.
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gfxPlatform::CreateCMSOutputProfile();
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return NS_OK;
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}
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static const char* kObservedPrefs[] = {
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"gfx.downloadable_fonts.",
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"gfx.font_rendering.",
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BIDI_NUMERAL_PREF,
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nullptr
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};
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class FontPrefsObserver final : public nsIObserver
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{
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~FontPrefsObserver() {}
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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};
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NS_IMPL_ISUPPORTS(FontPrefsObserver, nsIObserver)
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NS_IMETHODIMP
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FontPrefsObserver::Observe(nsISupports *aSubject,
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const char *aTopic,
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const char16_t *someData)
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{
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if (!someData) {
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NS_ERROR("font pref observer code broken");
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return NS_ERROR_UNEXPECTED;
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}
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NS_ASSERTION(gfxPlatform::GetPlatform(), "the singleton instance has gone");
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gfxPlatform::GetPlatform()->FontsPrefsChanged(NS_ConvertUTF16toUTF8(someData).get());
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return NS_OK;
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}
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class MemoryPressureObserver final : public nsIObserver
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|
{
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~MemoryPressureObserver() {}
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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};
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NS_IMPL_ISUPPORTS(MemoryPressureObserver, nsIObserver)
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|
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NS_IMETHODIMP
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MemoryPressureObserver::Observe(nsISupports *aSubject,
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const char *aTopic,
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const char16_t *someData)
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{
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NS_ASSERTION(strcmp(aTopic, "memory-pressure") == 0, "unexpected event topic");
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Factory::PurgeAllCaches();
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gfxGradientCache::PurgeAllCaches();
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gfxPlatform::PurgeSkiaFontCache();
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gfxPlatform::GetPlatform()->PurgeSkiaGPUCache();
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return NS_OK;
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}
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gfxPlatform::gfxPlatform()
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: mTileWidth(-1)
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, mTileHeight(-1)
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, mAzureCanvasBackendCollector(this, &gfxPlatform::GetAzureBackendInfo)
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|
, mApzSupportCollector(this, &gfxPlatform::GetApzSupportInfo)
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, mCompositorBackend(layers::LayersBackend::LAYERS_NONE)
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, mScreenDepth(0)
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, mDeviceCounter(0)
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{
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mAllowDownloadableFonts = UNINITIALIZED_VALUE;
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mFallbackUsesCmaps = UNINITIALIZED_VALUE;
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mWordCacheCharLimit = UNINITIALIZED_VALUE;
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mWordCacheMaxEntries = UNINITIALIZED_VALUE;
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mGraphiteShapingEnabled = UNINITIALIZED_VALUE;
|
|
mOpenTypeSVGEnabled = UNINITIALIZED_VALUE;
|
|
mBidiNumeralOption = UNINITIALIZED_VALUE;
|
|
|
|
mSkiaGlue = nullptr;
|
|
|
|
uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) | BackendTypeBit(BackendType::SKIA);
|
|
uint32_t contentMask = BackendTypeBit(BackendType::CAIRO);
|
|
InitBackendPrefs(canvasMask, BackendType::CAIRO,
|
|
contentMask, BackendType::CAIRO);
|
|
mTotalSystemMemory = mozilla::hal::GetTotalSystemMemory();
|
|
|
|
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(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();
|
|
|
|
gfxConfig::Init();
|
|
|
|
GPUProcessManager::Initialize();
|
|
|
|
auto fwd = new CrashStatsLogForwarder("GraphicsCriticalError");
|
|
fwd->SetCircularBufferSize(gfxPrefs::GfxLoggingCrashLength());
|
|
|
|
// 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%d",
|
|
gfxPrefs::Direct2DDisabled(),
|
|
gfxPrefs::Direct2DForceEnabled(),
|
|
gfxPrefs::DirectWriteFontRenderingForceEnabled());
|
|
// Layers prefs
|
|
forcedPrefs.AppendPrintf("-L%d%d%d%d%d",
|
|
gfxPrefs::LayersAMDSwitchableGfxEnabled(),
|
|
gfxPrefs::LayersAccelerationDisabledDoNotUseDirectly(),
|
|
gfxPrefs::LayersAccelerationForceEnabledDoNotUseDirectly(),
|
|
gfxPrefs::LayersD3D11DisableWARP(),
|
|
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());
|
|
ScopedGfxFeatureReporter::AppNote(forcedPrefs);
|
|
}
|
|
|
|
mozilla::gfx::Config cfg;
|
|
cfg.mLogForwarder = fwd;
|
|
cfg.mMaxTextureSize = gfxPrefs::MaxTextureSize();
|
|
cfg.mMaxAllocSize = gfxPrefs::MaxAllocSize();
|
|
|
|
gfx::Factory::Init(cfg);
|
|
|
|
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(MOZ_WIDGET_QT)
|
|
gPlatform = new gfxQtPlatform;
|
|
#elif defined(ANDROID)
|
|
gPlatform = new gfxAndroidPlatform;
|
|
#else
|
|
#error "No gfxPlatform implementation available"
|
|
#endif
|
|
gPlatform->InitAcceleration();
|
|
|
|
#ifdef USE_SKIA
|
|
SkGraphics::Init();
|
|
#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();
|
|
#elif defined(MOZ_WIDGET_QT)
|
|
usePlatformFontList = false;
|
|
#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
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
mozilla::layers::InitGralloc();
|
|
#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());
|
|
|
|
if (XRE_IsParentProcess()) {
|
|
if (gfxPlatform::ForceSoftwareVsync()) {
|
|
gPlatform->mVsyncSource = (gPlatform)->gfxPlatform::CreateHardwareVsyncSource();
|
|
} else {
|
|
gPlatform->mVsyncSource = gPlatform->CreateHardwareVsyncSource();
|
|
}
|
|
}
|
|
|
|
#ifdef USE_SKIA
|
|
uint32_t skiaCacheSize = GetSkiaGlyphCacheSize();
|
|
if (skiaCacheSize != kDefaultGlyphCacheSize) {
|
|
SkGraphics::SetFontCacheLimit(skiaCacheSize);
|
|
}
|
|
#endif
|
|
|
|
ScrollMetadata::sNullMetadata = new ScrollMetadata();
|
|
ClearOnShutdown(&ScrollMetadata::sNullMetadata);
|
|
|
|
if (obs) {
|
|
obs->NotifyObservers(nullptr, "gfx-features-ready", nullptr);
|
|
}
|
|
}
|
|
|
|
static bool sLayersIPCIsUp = false;
|
|
|
|
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
|
|
|
|
GPUProcessManager::Shutdown();
|
|
|
|
// This is a bit iffy - we're assuming that we were the ones that set the
|
|
// log forwarder in the Factory, so that it's our responsibility to
|
|
// delete it.
|
|
delete mozilla::gfx::Factory::GetLogForwarder();
|
|
mozilla::gfx::Factory::SetLogForwarder(nullptr);
|
|
|
|
gfx::Factory::ShutDown();
|
|
|
|
delete gGfxPlatformPrefsLock;
|
|
|
|
gfxPrefs::DestroySingleton();
|
|
gfxFont::DestroySingletons();
|
|
|
|
gfxConfig::Shutdown();
|
|
|
|
delete gPlatform;
|
|
gPlatform = nullptr;
|
|
}
|
|
|
|
/* static */ void
|
|
gfxPlatform::InitLayersIPC()
|
|
{
|
|
if (sLayersIPCIsUp) {
|
|
return;
|
|
}
|
|
sLayersIPCIsUp = true;
|
|
|
|
AsyncTransactionTrackersHolder::Initialize();
|
|
|
|
if (XRE_IsParentProcess())
|
|
{
|
|
layers::CompositorThreadHolder::Start();
|
|
#ifdef MOZ_WIDGET_GONK
|
|
SharedBufferManagerChild::StartUp();
|
|
#endif
|
|
mozilla::layers::ImageBridgeChild::StartUp();
|
|
gfx::VRManagerChild::StartUpSameProcess();
|
|
}
|
|
}
|
|
|
|
/* 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();
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
layers::SharedBufferManagerChild::ShutDown();
|
|
#endif
|
|
|
|
// 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.
|
|
}
|
|
}
|
|
|
|
gfxPlatform::~gfxPlatform()
|
|
{
|
|
mScreenReferenceSurface = nullptr;
|
|
mScreenReferenceDrawTarget = nullptr;
|
|
|
|
// 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
|
|
}
|
|
|
|
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)
|
|
{
|
|
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 = 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());
|
|
}
|
|
|
|
int
|
|
gfxPlatform::GetTileWidth()
|
|
{
|
|
MOZ_ASSERT(mTileWidth != -1);
|
|
return mTileWidth;
|
|
}
|
|
|
|
int
|
|
gfxPlatform::GetTileHeight()
|
|
{
|
|
MOZ_ASSERT(mTileHeight != -1);
|
|
return mTileHeight;
|
|
}
|
|
|
|
void
|
|
gfxPlatform::SetTileSize(int aWidth, int aHeight)
|
|
{
|
|
// 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((mTileWidth == -1 && mTileHeight == -1) ||
|
|
(mTileWidth == aWidth && mTileHeight == aHeight));
|
|
|
|
mTileWidth = aWidth;
|
|
mTileHeight = aHeight;
|
|
}
|
|
|
|
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(NextPowerOfTwo(screenSize.width) / 4, 256, 1024);
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
android::sp<android::GraphicBuffer> alloc =
|
|
new android::GraphicBuffer(w, h, android::PIXEL_FORMAT_RGBA_8888,
|
|
android::GraphicBuffer::USAGE_SW_READ_OFTEN |
|
|
android::GraphicBuffer::USAGE_SW_WRITE_OFTEN |
|
|
android::GraphicBuffer::USAGE_HW_TEXTURE);
|
|
|
|
if (alloc.get()) {
|
|
w = alloc->getStride(); // We want the tiles to be gralloc stride aligned.
|
|
}
|
|
#endif
|
|
}
|
|
|
|
SetTileSize(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::UseAcceleratedCanvas()
|
|
{
|
|
// Allow acceleration on Skia if the preference is set, unless it's blocked
|
|
if (mPreferredCanvasBackend == BackendType::SKIA && gfxPrefs::CanvasAzureAccelerated()) {
|
|
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 (UseAcceleratedCanvas()) {
|
|
#ifdef USE_SKIA_GPU
|
|
bool usingDynamicCache = gfxPrefs::CanvasSkiaGLDynamicCache();
|
|
int cacheItemLimit = gfxPrefs::CanvasSkiaGLCacheItems();
|
|
int cacheSizeLimit = gfxPrefs::CanvasSkiaGLCacheSize();
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
printf_stderr("Determined SkiaGL cache limits: Size %i, Items: %i\n", cacheSizeLimit, cacheItemLimit);
|
|
#endif
|
|
|
|
mSkiaGlue->GetGrContext()->setResourceCacheLimits(cacheItemLimit, 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 &&
|
|
!UseAcceleratedCanvas()) {
|
|
gfxCriticalNote << "Accelerated Skia canvas is disabled";
|
|
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()
|
|
{
|
|
#ifdef MOZ_WIDGET_GONK
|
|
if (mTotalSystemMemory < 250*1024*1024) {
|
|
return false;
|
|
}
|
|
#endif
|
|
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::CreateDrawTargetForData(unsigned char* aData, const IntSize& aSize, int32_t aStride, SurfaceFormat aFormat)
|
|
{
|
|
NS_ASSERTION(mContentBackend != BackendType::NONE, "No backend.");
|
|
|
|
BackendType backendType = mContentBackend;
|
|
|
|
if (!Factory::DoesBackendSupportDataDrawtarget(mContentBackend)) {
|
|
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;
|
|
if (aName.EqualsLiteral("cg"))
|
|
return BackendType::COREGRAPHICS;
|
|
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);
|
|
}
|
|
}
|
|
|
|
/* 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) {
|
|
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);
|
|
}
|
|
|
|
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 bool sPrefBrowserTabsRemoteAutostart = false;
|
|
|
|
static mozilla::Atomic<bool> sLayersAccelerationPrefsInitialized(false);
|
|
|
|
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();
|
|
sPrefBrowserTabsRemoteAutostart = BrowserTabsRemoteAutostart();
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
Preferences::AddBoolVarCache(&sLayersHardwareVideoDecodingFailed,
|
|
"media.hardware-video-decoding.failed",
|
|
false);
|
|
|
|
sLayersAccelerationPrefsInitialized = true;
|
|
}
|
|
|
|
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 */ DeviceInitData&
|
|
gfxPlatform::GetParentDevicePrefs()
|
|
{
|
|
MOZ_ASSERT(XRE_IsContentProcess());
|
|
return sDeviceInitDataDoNotUseDirectly;
|
|
}
|
|
|
|
/* static */ bool
|
|
gfxPlatform::UsesOffMainThreadCompositing()
|
|
{
|
|
static bool firstTime = true;
|
|
static bool result = false;
|
|
|
|
if (firstTime) {
|
|
MOZ_ASSERT(sLayersAccelerationPrefsInitialized);
|
|
result =
|
|
sPrefBrowserTabsRemoteAutostart ||
|
|
!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()
|
|
{
|
|
NS_WARNING("Hardware Vsync support not yet implemented. Falling back to software timers");
|
|
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 Preferences::GetInt("layout.frame_rate", -1) == 0;
|
|
}
|
|
|
|
/* static */ bool
|
|
gfxPlatform::ForceSoftwareVsync()
|
|
{
|
|
return Preferences::GetInt("layout.frame_rate", -1) > 0;
|
|
}
|
|
|
|
/* static */ int
|
|
gfxPlatform::GetSoftwareVsyncRate()
|
|
{
|
|
int preferenceRate = Preferences::GetInt("layout.frame_rate",
|
|
gfxPlatform::GetDefaultFrameRate());
|
|
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);
|
|
}
|
|
}
|
|
|
|
/*static*/ bool
|
|
gfxPlatform::AsyncPanZoomEnabled()
|
|
{
|
|
#if !defined(MOZ_B2G) && !defined(MOZ_WIDGET_ANDROID) && !defined(MOZ_WIDGET_UIKIT)
|
|
// For XUL applications (everything but B2G on mobile and desktop, and
|
|
// 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_ANDROID_APZ
|
|
return true;
|
|
#else
|
|
return gfxPrefs::AsyncPanZoomEnabledDoNotUseDirectly();
|
|
#endif
|
|
}
|
|
|
|
/*virtual*/ bool
|
|
gfxPlatform::UseProgressivePaint()
|
|
{
|
|
return gfxPrefs::ProgressivePaintDoNotUseDirectly();
|
|
}
|
|
|
|
/*static*/ bool
|
|
gfxPlatform::PerfWarnings()
|
|
{
|
|
return gfxPrefs::PerfWarnings();
|
|
}
|
|
|
|
static inline bool
|
|
AllowOpenGL(bool* aWhitelisted)
|
|
{
|
|
nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
|
|
if (gfxInfo) {
|
|
// bug 655578: on X11 at least, we must always call GetData (even if we don't need that information)
|
|
// as that's what causes GfxInfo initialization which kills the zombie 'glxtest' process.
|
|
// initially we relied on the fact that GetFeatureStatus calls GetData for us, but bug 681026 showed
|
|
// that assumption to be unsafe.
|
|
gfxInfo->GetData();
|
|
|
|
int32_t status;
|
|
nsCString discardFailureId;
|
|
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_OPENGL_LAYERS, discardFailureId, &status))) {
|
|
if (status == nsIGfxInfo::FEATURE_STATUS_OK) {
|
|
*aWhitelisted = true;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return gfxConfig::IsForcedOnByUser(Feature::HW_COMPOSITING);
|
|
}
|
|
|
|
void
|
|
gfxPlatform::GetAcceleratedCompositorBackends(nsTArray<LayersBackend>& aBackends)
|
|
{
|
|
// Being whitelisted is not enough to accelerate, but not being whitelisted is
|
|
// enough not to:
|
|
bool whitelisted = false;
|
|
|
|
if (AllowOpenGL(&whitelisted)) {
|
|
aBackends.AppendElement(LayersBackend::LAYERS_OPENGL);
|
|
}
|
|
|
|
if (!whitelisted) {
|
|
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::GetDeviceInitData(mozilla::gfx::DeviceInitData* aOut)
|
|
{
|
|
MOZ_ASSERT(XRE_IsParentProcess());
|
|
aOut->useHwCompositing() = gfxConfig::IsEnabled(Feature::HW_COMPOSITING);
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::UpdateDeviceInitData()
|
|
{
|
|
if (XRE_IsParentProcess()) {
|
|
// The parent process figures out device initialization on its own.
|
|
return false;
|
|
}
|
|
|
|
mozilla::gfx::DeviceInitData data;
|
|
mozilla::dom::ContentChild::GetSingleton()->SendGetGraphicsDeviceInitData(&data);
|
|
|
|
sDeviceInitDataDoNotUseDirectly = data;
|
|
|
|
// Ensure that child processes have inherited the HW_COMPOSITING pref.
|
|
gfxConfig::InitOrUpdate(
|
|
Feature::HW_COMPOSITING,
|
|
GetParentDevicePrefs().useHwCompositing(),
|
|
FeatureStatus::Blocked,
|
|
"Hardware-accelerated compositing disabled in parent process");
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::SupportsApzDragInput() const
|
|
{
|
|
return gfxPrefs::APZDragEnabled();
|
|
}
|
|
|
|
void
|
|
gfxPlatform::BumpDeviceCounter()
|
|
{
|
|
mDeviceCounter++;
|
|
}
|