зеркало из https://github.com/mozilla/gecko-dev.git
2310 строки
68 KiB
C++
2310 строки
68 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/CompositorChild.h"
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#include "mozilla/layers/CompositorParent.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/Telemetry.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 "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 "gfxVR.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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#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 "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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#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/Attributes.h"
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#include "mozilla/Mutex.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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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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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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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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void InitLayersAccelerationPrefs();
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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 std::vector<std::pair<int32_t,std::string> > StringsVectorCopy() override;
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void SetCircularBufferSize(uint32_t aCapacity);
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private:
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// Helpers for the Log()
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bool UpdateStringsVector(const std::string& aString);
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void UpdateCrashReport();
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private:
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std::vector<std::pair<int32_t,std::string> > 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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std::vector<std::pair<int32_t,std::string> >
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CrashStatsLogForwarder::StringsVectorCopy()
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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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// 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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std::pair<int32_t,std::string> newEntry(mIndex,aString);
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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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for(std::vector<std::pair<int32_t, std::string> >::iterator it = mBuffer.begin(); it != mBuffer.end(); ++it) {
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message << "|[" << (*it).first << "]" << (*it).second;
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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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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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}
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class CrashTelemetryEvent : public nsRunnable
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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, nsRunnable);
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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::GfxCrashTelemetry();
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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::GfxCrashMozCrash();
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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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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::GetPlatform()->PurgeSkiaCache();
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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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{
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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;
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mOpenTypeSVGEnabled = UNINITIALIZED_VALUE;
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mBidiNumeralOption = UNINITIALIZED_VALUE;
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mSkiaGlue = nullptr;
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uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) | BackendTypeBit(BackendType::SKIA);
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uint32_t contentMask = BackendTypeBit(BackendType::CAIRO);
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InitBackendPrefs(canvasMask, BackendType::CAIRO,
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contentMask, BackendType::CAIRO);
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mTotalSystemMemory = mozilla::hal::GetTotalSystemMemory();
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// give HMDs a chance to be initialized very early on
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VRHMDManager::ManagerInit();
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}
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gfxPlatform*
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gfxPlatform::GetPlatform()
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{
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if (!gPlatform) {
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Init();
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}
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return gPlatform;
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}
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bool
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gfxPlatform::Initialized()
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{
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return !!gPlatform;
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}
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void RecordingPrefChanged(const char *aPrefName, void *aClosure)
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{
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if (Preferences::GetBool("gfx.2d.recording", false)) {
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nsAutoCString fileName;
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nsAdoptingString prefFileName = Preferences::GetString("gfx.2d.recordingfile");
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if (prefFileName) {
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fileName.Append(NS_ConvertUTF16toUTF8(prefFileName));
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} else {
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nsCOMPtr<nsIFile> tmpFile;
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if (NS_FAILED(NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(tmpFile)))) {
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return;
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}
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fileName.AppendPrintf("moz2drec_%i_%i.aer", XRE_GetProcessType(), getpid());
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nsresult rv = tmpFile->AppendNative(fileName);
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if (NS_FAILED(rv))
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return;
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rv = tmpFile->GetNativePath(fileName);
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if (NS_FAILED(rv))
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return;
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}
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gPlatform->mRecorder = Factory::CreateEventRecorderForFile(fileName.BeginReading());
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printf_stderr("Recording to %s\n", fileName.get());
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Factory::SetGlobalEventRecorder(gPlatform->mRecorder);
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} else {
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Factory::SetGlobalEventRecorder(nullptr);
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}
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}
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void
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gfxPlatform::Init()
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{
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MOZ_RELEASE_ASSERT(NS_IsMainThread());
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if (gEverInitialized) {
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NS_RUNTIMEABORT("Already started???");
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}
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gEverInitialized = true;
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CrashStatsLogForwarder* logForwarder = new CrashStatsLogForwarder("GraphicsCriticalError");
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mozilla::gfx::Factory::SetLogForwarder(logForwarder);
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|
|
// Initialize the preferences by creating the singleton.
|
|
gfxPrefs::GetSingleton();
|
|
|
|
logForwarder->SetCircularBufferSize(gfxPrefs::GfxLoggingCrashLength());
|
|
|
|
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
|
|
|
|
#ifdef MOZ_GL_DEBUG
|
|
GLContext::StaticInit();
|
|
#endif
|
|
|
|
InitLayersAccelerationPrefs();
|
|
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),
|
|
gfxImageFormat::ARGB32);
|
|
if (!gPlatform->mScreenReferenceSurface) {
|
|
NS_RUNTIMEABORT("Could not initialize mScreenReferenceSurface");
|
|
}
|
|
|
|
gPlatform->mScreenReferenceDrawTarget =
|
|
gPlatform->CreateOffscreenContentDrawTarget(IntSize(1, 1),
|
|
SurfaceFormat::B8G8R8A8);
|
|
if (!gPlatform->mScreenReferenceDrawTarget) {
|
|
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();
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool sLayersIPCIsUp = false;
|
|
|
|
void
|
|
gfxPlatform::Shutdown()
|
|
{
|
|
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();
|
|
|
|
// In some cases, gPlatform may not be created but Shutdown() called,
|
|
// e.g., during xpcshell tests.
|
|
if (gPlatform) {
|
|
/* 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;
|
|
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
|
|
|
|
// 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);
|
|
|
|
delete gGfxPlatformPrefsLock;
|
|
|
|
gfxPrefs::DestroySingleton();
|
|
gfxFont::DestroySingletons();
|
|
|
|
delete gPlatform;
|
|
gPlatform = nullptr;
|
|
}
|
|
|
|
/* static */ void
|
|
gfxPlatform::InitLayersIPC()
|
|
{
|
|
if (sLayersIPCIsUp) {
|
|
return;
|
|
}
|
|
sLayersIPCIsUp = true;
|
|
|
|
AsyncTransactionTrackersHolder::Initialize();
|
|
|
|
if (XRE_IsParentProcess())
|
|
{
|
|
mozilla::layers::CompositorParent::StartUp();
|
|
#ifdef MOZ_WIDGET_GONK
|
|
SharedBufferManagerChild::StartUp();
|
|
#endif
|
|
mozilla::layers::ImageBridgeChild::StartUp();
|
|
}
|
|
}
|
|
|
|
/* static */ void
|
|
gfxPlatform::ShutdownLayersIPC()
|
|
{
|
|
if (!sLayersIPCIsUp) {
|
|
return;
|
|
}
|
|
sLayersIPCIsUp = false;
|
|
|
|
if (XRE_IsParentProcess())
|
|
{
|
|
// This must happen after the shutdown of media and widgets, which
|
|
// are triggered by the NS_XPCOM_SHUTDOWN_OBSERVER_ID notification.
|
|
layers::ImageBridgeChild::ShutDown();
|
|
#ifdef MOZ_WIDGET_GONK
|
|
layers::SharedBufferManagerChild::ShutDown();
|
|
#endif
|
|
|
|
layers::CompositorParent::ShutDown();
|
|
}
|
|
}
|
|
|
|
gfxPlatform::~gfxPlatform()
|
|
{
|
|
mScreenReferenceSurface = nullptr;
|
|
mScreenReferenceDrawTarget = nullptr;
|
|
|
|
// Clean up any VR stuff
|
|
VRHMDManager::ManagerDestroy();
|
|
|
|
// 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::Term();
|
|
#endif
|
|
|
|
#if MOZ_TREE_CAIRO
|
|
cairo_debug_reset_static_data();
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
cairo_user_data_key_t kDrawTarget;
|
|
|
|
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;
|
|
}
|
|
aSurface->SetData(&kDrawTarget, drawTarget, nullptr);
|
|
return drawTarget.forget();
|
|
}
|
|
|
|
// This is a temporary function used by ContentClient to build a DrawTarget
|
|
// around the gfxASurface. This should eventually be replaced by plumbing
|
|
// the DrawTarget through directly
|
|
already_AddRefed<DrawTarget>
|
|
gfxPlatform::CreateDrawTargetForUpdateSurface(gfxASurface *aSurface, const IntSize& aSize)
|
|
{
|
|
#ifdef XP_MACOSX
|
|
// this is a bit of a hack that assumes that the buffer associated with the CGContext
|
|
// will live around long enough that nothing bad will happen.
|
|
if (aSurface->GetType() == gfxSurfaceType::Quartz) {
|
|
return Factory::CreateDrawTargetForCairoCGContext(static_cast<gfxQuartzSurface*>(aSurface)->GetCGContext(), aSize);
|
|
}
|
|
#endif
|
|
MOZ_CRASH("unused function");
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
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();
|
|
if (!aTarget) {
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
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).
|
|
NativeSurface surf;
|
|
surf.mFormat = format;
|
|
surf.mType = NativeSurfaceType::CAIRO_SURFACE;
|
|
surf.mSurface = aSurface->CairoSurface();
|
|
surf.mSize = aSurface->GetSize();
|
|
// 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 aTarget->CreateSourceSurfaceFromNativeSurface(surf);
|
|
}
|
|
|
|
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.
|
|
NativeSurface surf;
|
|
surf.mFormat = format;
|
|
surf.mType = NativeSurfaceType::CAIRO_SURFACE;
|
|
surf.mSurface = aSurface->CairoSurface();
|
|
surf.mSize = aSurface->GetSize();
|
|
RefPtr<DrawTarget> drawTarget =
|
|
Factory::CreateDrawTarget(BackendType::CAIRO, IntSize(1, 1), format);
|
|
if (!drawTarget) {
|
|
gfxWarning() << "gfxPlatform::GetSourceSurfaceForSurface failed in CreateDrawTarget";
|
|
return nullptr;
|
|
}
|
|
srcBuffer = drawTarget->CreateSourceSurfaceFromNativeSurface(surf);
|
|
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) {
|
|
// For the time being tiles larger than 512 probably do not make much
|
|
// sense. This is due to e.g. increased rasterisation time outweighing
|
|
// the decreased composition time, or large increases in memory usage
|
|
// for screens slightly wider than a higher power of two.
|
|
w = h = screenSize.width >= 512 ? 512 : 256;
|
|
}
|
|
|
|
#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) {
|
|
return false;
|
|
}
|
|
|
|
return SupportsAzureContentForType(aTarget->GetBackendType());
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::UseAcceleratedSkiaCanvas()
|
|
{
|
|
return gfxPrefs::CanvasAzureAccelerated() &&
|
|
mPreferredCanvasBackend == BackendType::SKIA;
|
|
}
|
|
|
|
bool gfxPlatform::HaveChoiceOfHWAndSWCanvas()
|
|
{
|
|
return mPreferredCanvasBackend == BackendType::SKIA;
|
|
}
|
|
|
|
void
|
|
gfxPlatform::InitializeSkiaCacheLimits()
|
|
{
|
|
if (UseAcceleratedSkiaCanvas()) {
|
|
#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
|
|
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;
|
|
glContext = GLContextProvider::CreateHeadless(CreateContextFlags::REQUIRE_COMPAT_PROFILE |
|
|
CreateContextFlags::ALLOW_OFFLINE_RENDERER);
|
|
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::PurgeSkiaCache()
|
|
{
|
|
#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)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsresult
|
|
gfxPlatform::UpdateFontList()
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
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::MakePlatformFont(const nsAString& aFontName,
|
|
uint16_t aWeight,
|
|
int16_t aStretch,
|
|
uint8_t aStyle,
|
|
const uint8_t* aFontData,
|
|
uint32_t aLength)
|
|
{
|
|
// Default implementation does not handle activating downloaded fonts;
|
|
// just free the data and return.
|
|
// Platforms that support @font-face must override this,
|
|
// using the data to instantiate the font, and taking responsibility
|
|
// for freeing it when no longer required.
|
|
if (aFontData) {
|
|
free((void*)aFontData);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
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
|
|
FlushFontAndWordCaches()
|
|
{
|
|
gfxFontCache *fontCache = gfxFontCache::GetCache();
|
|
if (fontCache) {
|
|
fontCache->AgeAllGenerations();
|
|
fontCache->FlushShapedWordCaches();
|
|
}
|
|
}
|
|
|
|
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 gfxImageFormat::ARGB32:
|
|
return mozilla::gfx::SurfaceFormat::B8G8R8A8;
|
|
case gfxImageFormat::RGB24:
|
|
return mozilla::gfx::SurfaceFormat::B8G8R8X8;
|
|
case gfxImageFormat::RGB16_565:
|
|
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 gfxImageFormat::A8;
|
|
case gfxContentType::COLOR_ALPHA:
|
|
return gfxImageFormat::ARGB32;
|
|
default:
|
|
NS_NOTREACHED("unknown gfxContentType");
|
|
return gfxImageFormat::ARGB32;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 bool sLayersSupportsD3D9 = false;
|
|
static bool sLayersSupportsD3D11 = false;
|
|
bool gANGLESupportsD3D11 = false;
|
|
static bool sLayersSupportsHardwareVideoDecoding = false;
|
|
static bool sLayersHardwareVideoDecodingFailed = false;
|
|
static bool sBufferRotationCheckPref = true;
|
|
static bool sPrefBrowserTabsRemoteAutostart = false;
|
|
|
|
static bool sLayersAccelerationPrefsInitialized = false;
|
|
|
|
void
|
|
InitLayersAccelerationPrefs()
|
|
{
|
|
if (!sLayersAccelerationPrefsInitialized)
|
|
{
|
|
// 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();
|
|
int32_t status;
|
|
#ifdef XP_WIN
|
|
if (gfxPrefs::LayersAccelerationForceEnabled()) {
|
|
sLayersSupportsD3D9 = true;
|
|
sLayersSupportsD3D11 = true;
|
|
} else if (gfxInfo) {
|
|
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS, &status))) {
|
|
if (status == nsIGfxInfo::FEATURE_STATUS_OK) {
|
|
sLayersSupportsD3D9 = true;
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS, &status))) {
|
|
if (status == nsIGfxInfo::FEATURE_STATUS_OK) {
|
|
sLayersSupportsD3D11 = true;
|
|
}
|
|
}
|
|
if (!gfxPrefs::LayersD3D11DisableWARP()) {
|
|
// Always support D3D11 when WARP is allowed.
|
|
sLayersSupportsD3D11 = true;
|
|
}
|
|
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE, &status))) {
|
|
if (status == nsIGfxInfo::FEATURE_STATUS_OK) {
|
|
gANGLESupportsD3D11 = true;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
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,
|
|
&status))) {
|
|
if (status == nsIGfxInfo::FEATURE_STATUS_OK) {
|
|
sLayersSupportsHardwareVideoDecoding = true;
|
|
}
|
|
}
|
|
|
|
Preferences::AddBoolVarCache(&sLayersHardwareVideoDecodingFailed,
|
|
"media.hardware-video-decoding.failed",
|
|
false);
|
|
|
|
sLayersAccelerationPrefsInitialized = true;
|
|
}
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::CanUseDirect3D9()
|
|
{
|
|
// this function is called from the compositor thread, so it is not
|
|
// safe to init the prefs etc. from here.
|
|
MOZ_ASSERT(sLayersAccelerationPrefsInitialized);
|
|
return sLayersSupportsD3D9;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::CanUseDirect3D11()
|
|
{
|
|
// this function is called from the compositor thread, so it is not
|
|
// safe to init the prefs etc. from here.
|
|
MOZ_ASSERT(sLayersAccelerationPrefsInitialized);
|
|
return sLayersSupportsD3D11;
|
|
}
|
|
|
|
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::CanUseDirect3D11ANGLE()
|
|
{
|
|
MOZ_ASSERT(sLayersAccelerationPrefsInitialized);
|
|
return gANGLESupportsD3D11;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::ShouldUseLayersAcceleration()
|
|
{
|
|
const char *acceleratedEnv = PR_GetEnv("MOZ_ACCELERATED");
|
|
if (gfxPrefs::LayersAccelerationDisabled() ||
|
|
InSafeMode() ||
|
|
(acceleratedEnv && *acceleratedEnv == '0'))
|
|
{
|
|
return false;
|
|
}
|
|
if (gfxPrefs::LayersAccelerationForceEnabled()) {
|
|
return true;
|
|
}
|
|
if (AccelerateLayersByDefault()) {
|
|
return true;
|
|
}
|
|
if (acceleratedEnv && *acceleratedEnv != '0') {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::AccelerateLayersByDefault()
|
|
{
|
|
#if defined(MOZ_GL_PROVIDER) || defined(MOZ_WIDGET_UIKIT)
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::BufferRotationEnabled()
|
|
{
|
|
MutexAutoLock autoLock(*gGfxPlatformPrefsLock);
|
|
|
|
return sBufferRotationCheckPref && gfxPrefs::BufferRotationEnabled();
|
|
}
|
|
|
|
void
|
|
gfxPlatform::DisableBufferRotation()
|
|
{
|
|
MutexAutoLock autoLock(*gGfxPlatformPrefsLock);
|
|
|
|
sBufferRotationCheckPref = false;
|
|
}
|
|
|
|
already_AddRefed<ScaledFont>
|
|
gfxPlatform::GetScaledFontForFontWithCairoSkia(DrawTarget* aTarget, gfxFont* aFont)
|
|
{
|
|
NativeFont nativeFont;
|
|
if (aTarget->GetBackendType() == BackendType::CAIRO || aTarget->GetBackendType() == BackendType::SKIA) {
|
|
nativeFont.mType = NativeFontType::CAIRO_FONT_FACE;
|
|
nativeFont.mFont = aFont->GetCairoScaledFont();
|
|
return Factory::CreateScaledFontForNativeFont(nativeFont, aFont->GetAdjustedSize());
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
/* static */ bool
|
|
gfxPlatform::UsesOffMainThreadCompositing()
|
|
{
|
|
InitLayersAccelerationPrefs();
|
|
static bool firstTime = true;
|
|
static bool result = false;
|
|
|
|
if (firstTime) {
|
|
result =
|
|
sPrefBrowserTabsRemoteAutostart ||
|
|
gfxPrefs::LayersOffMainThreadCompositionEnabled() ||
|
|
gfxPrefs::LayersOffMainThreadCompositionForceEnabled() ||
|
|
gfxPrefs::LayersOffMainThreadCompositionTestingEnabled();
|
|
#if defined(MOZ_WIDGET_GTK)
|
|
// Linux users who chose OpenGL are being grandfathered in to OMTC
|
|
result |= gfxPrefs::LayersAccelerationForceEnabled();
|
|
|
|
#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;
|
|
}
|
|
|
|
static nsString
|
|
DetectBadApzWheelInputPrefs()
|
|
{
|
|
static const char *sBadMultiplierPrefs[] = {
|
|
"mousewheel.default.delta_multiplier_x",
|
|
"mousewheel.with_alt.delta_multiplier_x",
|
|
"mousewheel.with_control.delta_multiplier_x",
|
|
"mousewheel.with_meta.delta_multiplier_x",
|
|
"mousewheel.with_shift.delta_multiplier_x",
|
|
"mousewheel.with_win.delta_multiplier_x",
|
|
"mousewheel.with_alt.delta_multiplier_y",
|
|
"mousewheel.with_control.delta_multiplier_y",
|
|
"mousewheel.with_meta.delta_multiplier_y",
|
|
"mousewheel.with_shift.delta_multiplier_y",
|
|
"mousewheel.with_win.delta_multiplier_y",
|
|
};
|
|
|
|
nsString badPref;
|
|
for (size_t i = 0; i < MOZ_ARRAY_LENGTH(sBadMultiplierPrefs); i++) {
|
|
if (Preferences::GetInt(sBadMultiplierPrefs[i], 100) != 100) {
|
|
badPref.AssignASCII(sBadMultiplierPrefs[i]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return badPref;
|
|
}
|
|
|
|
void
|
|
gfxPlatform::GetApzSupportInfo(mozilla::widget::InfoObject& aObj)
|
|
{
|
|
if (!gfxPlatform::AsyncPanZoomEnabled()) {
|
|
return;
|
|
}
|
|
|
|
if (SupportsApzWheelInput()) {
|
|
nsString badPref = DetectBadApzWheelInputPrefs();
|
|
|
|
aObj.DefineProperty("ApzWheelInput", 1);
|
|
if (badPref.Length()) {
|
|
aObj.DefineProperty("ApzWheelInputWarning", badPref);
|
|
}
|
|
}
|
|
|
|
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
|
|
return gfxPrefs::AsyncPanZoomEnabledDoNotUseDirectly();
|
|
}
|
|
|
|
/*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;
|
|
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_OPENGL_LAYERS, &status))) {
|
|
if (status == nsIGfxInfo::FEATURE_STATUS_OK) {
|
|
*aWhitelisted = true;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return gfxPrefs::LayersAccelerationForceEnabled();
|
|
}
|
|
|
|
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);
|
|
}
|
|
if (SupportsBasicCompositor()) {
|
|
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->useAcceleration() = ShouldUseLayersAcceleration();
|
|
}
|
|
|
|
void
|
|
gfxPlatform::UpdateDeviceInitData()
|
|
{
|
|
if (XRE_IsParentProcess()) {
|
|
// The parent process figures out device initialization on its own.
|
|
return;
|
|
}
|
|
|
|
mozilla::gfx::DeviceInitData data;
|
|
mozilla::dom::ContentChild::GetSingleton()->SendGetGraphicsDeviceInitData(&data);
|
|
|
|
SetDeviceInitData(data);
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::SupportsApzDragInput() const
|
|
{
|
|
return gfxPrefs::APZDragEnabled();
|
|
}
|