mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
2106 lines
65 KiB
C++
2106 lines
65 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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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG /* Allow logging in the release build */
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#endif
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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 "prlog.h"
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#include "gfxPlatform.h"
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#include "gfxPrefs.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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#include "gfxD2DSurface.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 "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 "MainThreadUtils.h"
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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 "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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#ifdef MOZ_WIDGET_ANDROID
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#include "TexturePoolOGL.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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#include "skia/SkGraphics.h"
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#include "SkiaGLGlue.h"
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#else
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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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#ifdef MOZ_WIDGET_GONK
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namespace mozilla {
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namespace layers {
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void InitGralloc();
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}
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}
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#endif
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using namespace mozilla;
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using namespace mozilla::layers;
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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 bool gCMSIntentInitialized = false;
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static int gCMSIntent = QCMS_INTENT_DEFAULT;
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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 MOZ_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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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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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 MOZ_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 MOZ_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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gfxPlatform::GetPlatform()->PurgeSkiaCache();
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return NS_OK;
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}
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// this needs to match the list of pref font.default.xx entries listed in all.js!
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// the order *must* match the order in eFontPrefLang
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static const char *gPrefLangNames[] = {
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"x-western",
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"x-central-euro",
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"ja",
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"zh-TW",
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"zh-CN",
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"zh-HK",
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"ko",
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"x-cyrillic",
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"x-baltic",
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"el",
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"tr",
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"th",
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"he",
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"ar",
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"x-devanagari",
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"x-tamil",
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"x-armn",
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"x-beng",
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"x-cans",
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"x-ethi",
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"x-geor",
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"x-gujr",
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"x-guru",
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"x-khmr",
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"x-mlym",
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"x-orya",
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"x-telu",
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"x-knda",
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"x-sinh",
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"x-tibt",
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"x-unicode",
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};
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gfxPlatform::gfxPlatform()
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: mAzureCanvasBackendCollector(MOZ_THIS_IN_INITIALIZER_LIST(),
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&gfxPlatform::GetAzureBackendInfo)
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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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}
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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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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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if (gEverInitialized) {
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NS_RUNTIMEABORT("Already started???");
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}
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gEverInitialized = true;
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// Initialize the preferences by creating the singleton.
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gfxPrefs::GetSingleton();
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gGfxPlatformPrefsLock = new Mutex("gfxPlatform::gGfxPlatformPrefsLock");
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/* Initialize the GfxInfo service.
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* Note: we can't call functions on GfxInfo that depend
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* on gPlatform until after it has been initialized
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* below. GfxInfo initialization annotates our
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* crash reports so we want to do it before
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* we try to load any drivers and do device detection
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* incase that code crashes. See bug #591561. */
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nsCOMPtr<nsIGfxInfo> gfxInfo;
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/* this currently will only succeed on Windows */
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gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
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#if defined(XP_WIN)
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gPlatform = new gfxWindowsPlatform;
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#elif defined(XP_MACOSX)
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gPlatform = new gfxPlatformMac;
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#elif defined(MOZ_WIDGET_GTK)
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gPlatform = new gfxPlatformGtk;
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#elif defined(MOZ_WIDGET_QT)
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gPlatform = new gfxQtPlatform;
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#elif defined(ANDROID)
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gPlatform = new gfxAndroidPlatform;
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#else
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#error "No gfxPlatform implementation available"
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#endif
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#ifdef DEBUG
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mozilla::gl::GLContext::StaticInit();
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#endif
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InitLayersIPC();
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nsresult rv;
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#if defined(XP_MACOSX) || defined(XP_WIN) || defined(ANDROID) // temporary, until this is implemented on others
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rv = gfxPlatformFontList::Init();
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if (NS_FAILED(rv)) {
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NS_RUNTIMEABORT("Could not initialize gfxPlatformFontList");
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}
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#endif
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gPlatform->mScreenReferenceSurface =
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gPlatform->CreateOffscreenSurface(IntSize(1, 1),
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gfxContentType::COLOR_ALPHA);
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if (!gPlatform->mScreenReferenceSurface) {
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NS_RUNTIMEABORT("Could not initialize mScreenReferenceSurface");
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}
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gPlatform->mScreenReferenceDrawTarget =
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gPlatform->CreateOffscreenContentDrawTarget(IntSize(1, 1),
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SurfaceFormat::B8G8R8A8);
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if (!gPlatform->mScreenReferenceDrawTarget) {
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NS_RUNTIMEABORT("Could not initialize mScreenReferenceDrawTarget");
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}
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rv = gfxFontCache::Init();
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if (NS_FAILED(rv)) {
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NS_RUNTIMEABORT("Could not initialize gfxFontCache");
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}
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/* Create and register our CMS Override observer. */
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gPlatform->mSRGBOverrideObserver = new SRGBOverrideObserver();
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Preferences::AddWeakObserver(gPlatform->mSRGBOverrideObserver, GFX_PREF_CMS_FORCE_SRGB);
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gPlatform->mFontPrefsObserver = new FontPrefsObserver();
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Preferences::AddStrongObservers(gPlatform->mFontPrefsObserver, kObservedPrefs);
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mozilla::gl::GLContext::PlatformStartup();
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#ifdef MOZ_WIDGET_ANDROID
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// Texture pool init
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mozilla::gl::TexturePoolOGL::Init();
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#endif
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#ifdef MOZ_WIDGET_GONK
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mozilla::layers::InitGralloc();
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#endif
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Preferences::RegisterCallbackAndCall(RecordingPrefChanged, "gfx.2d.recording", nullptr);
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CreateCMSOutputProfile();
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// Listen to memory pressure event so we can purge DrawTarget caches
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nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
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if (obs) {
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gPlatform->mMemoryPressureObserver = new MemoryPressureObserver();
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obs->AddObserver(gPlatform->mMemoryPressureObserver, "memory-pressure", false);
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}
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RegisterStrongMemoryReporter(new GfxMemoryImageReporter());
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}
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static bool sLayersIPCIsUp = false;
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void
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gfxPlatform::Shutdown()
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{
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if (!gPlatform) {
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return;
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}
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MOZ_ASSERT(!sLayersIPCIsUp);
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// These may be called before the corresponding subsystems have actually
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// started up. That's OK, they can handle it.
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gfxFontCache::Shutdown();
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gfxFontGroup::Shutdown();
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gfxGradientCache::Shutdown();
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gfxAlphaBoxBlur::ShutdownBlurCache();
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gfxGraphiteShaper::Shutdown();
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#if defined(XP_MACOSX) || defined(XP_WIN) // temporary, until this is implemented on others
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gfxPlatformFontList::Shutdown();
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#endif
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// Free the various non-null transforms and loaded profiles
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ShutdownCMS();
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// In some cases, gPlatform may not be created but Shutdown() called,
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// e.g., during xpcshell tests.
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if (gPlatform) {
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/* Unregister our CMS Override callback. */
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NS_ASSERTION(gPlatform->mSRGBOverrideObserver, "mSRGBOverrideObserver has alreay gone");
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Preferences::RemoveObserver(gPlatform->mSRGBOverrideObserver, GFX_PREF_CMS_FORCE_SRGB);
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gPlatform->mSRGBOverrideObserver = nullptr;
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NS_ASSERTION(gPlatform->mFontPrefsObserver, "mFontPrefsObserver has alreay gone");
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Preferences::RemoveObservers(gPlatform->mFontPrefsObserver, kObservedPrefs);
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gPlatform->mFontPrefsObserver = nullptr;
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NS_ASSERTION(gPlatform->mMemoryPressureObserver, "mMemoryPressureObserver has already gone");
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nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
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if (obs) {
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obs->RemoveObserver(gPlatform->mMemoryPressureObserver, "memory-pressure");
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}
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gPlatform->mMemoryPressureObserver = nullptr;
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gPlatform->mSkiaGlue = nullptr;
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}
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#ifdef MOZ_WIDGET_ANDROID
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// Shut down the texture pool
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mozilla::gl::TexturePoolOGL::Shutdown();
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#endif
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// Shut down the default GL context provider.
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mozilla::gl::GLContextProvider::Shutdown();
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#if defined(XP_WIN)
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// The above shutdown calls operate on the available context providers on
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// most platforms. Windows is a "special snowflake", though, and has three
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// context providers available, so we have to shut all of them down.
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// We should only support the default GL provider on Windows; then, this
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// could go away. Unfortunately, we currently support WGL (the default) for
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// WebGL on Optimus.
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mozilla::gl::GLContextProviderEGL::Shutdown();
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#endif
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delete gGfxPlatformPrefsLock;
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gfxPrefs::DestroySingleton();
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gfxFont::DestroySingletons();
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delete gPlatform;
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gPlatform = nullptr;
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}
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/* static */ void
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gfxPlatform::InitLayersIPC()
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{
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if (sLayersIPCIsUp) {
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return;
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}
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|
sLayersIPCIsUp = true;
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|
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AsyncTransactionTrackersHolder::Initialize();
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|
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if (UsesOffMainThreadCompositing() &&
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XRE_GetProcessType() == GeckoProcessType_Default)
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|
{
|
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mozilla::layers::CompositorParent::StartUp();
|
|
#ifndef MOZ_WIDGET_GONK
|
|
if (gfxPrefs::AsyncVideoEnabled()) {
|
|
mozilla::layers::ImageBridgeChild::StartUp();
|
|
}
|
|
#else
|
|
mozilla::layers::ImageBridgeChild::StartUp();
|
|
SharedBufferManagerChild::StartUp();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/* static */ void
|
|
gfxPlatform::ShutdownLayersIPC()
|
|
{
|
|
if (!sLayersIPCIsUp) {
|
|
return;
|
|
}
|
|
sLayersIPCIsUp = false;
|
|
|
|
if (UsesOffMainThreadCompositing() &&
|
|
XRE_GetProcessType() == GeckoProcessType_Default)
|
|
{
|
|
// 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;
|
|
|
|
// 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
|
|
#if defined(DEBUG) || defined(NS_BUILD_REFCNT_LOGGING) || defined(NS_TRACE_MALLOC) || defined(MOZ_VALGRIND)
|
|
#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;
|
|
|
|
TemporaryRef<DrawTarget>
|
|
gfxPlatform::CreateDrawTargetForSurface(gfxASurface *aSurface, const IntSize& aSize)
|
|
{
|
|
SurfaceFormat format = Optimal2DFormatForContent(aSurface->GetContentType());
|
|
RefPtr<DrawTarget> drawTarget = Factory::CreateDrawTargetForCairoSurface(aSurface->CairoSurface(), aSize, &format);
|
|
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
|
|
TemporaryRef<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();
|
|
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
|
|
{
|
|
nsRefPtr<gfxASurface> mSurface;
|
|
};
|
|
|
|
void SourceSurfaceDestroyed(void *aData)
|
|
{
|
|
delete static_cast<DependentSourceSurfaceUserData*>(aData);
|
|
}
|
|
|
|
void
|
|
gfxPlatform::ClearSourceSurfaceForSurface(gfxASurface *aSurface)
|
|
{
|
|
aSurface->SetData(&kSourceSurface, nullptr, nullptr);
|
|
}
|
|
|
|
/* static */ TemporaryRef<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()) {
|
|
return surf->mSrcSurface;
|
|
}
|
|
// We can just continue here as when setting new user data the destroy
|
|
// function will be called for the old user data.
|
|
}
|
|
|
|
SurfaceFormat format;
|
|
if (aSurface->GetContentType() == gfxContentType::ALPHA) {
|
|
format = SurfaceFormat::A8;
|
|
} else if (aSurface->GetContentType() == gfxContentType::COLOR) {
|
|
format = SurfaceFormat::B8G8R8X8;
|
|
} else {
|
|
format = SurfaceFormat::B8G8R8A8;
|
|
}
|
|
|
|
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 = ToIntSize(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;
|
|
|
|
#ifdef XP_WIN
|
|
if (aSurface->GetType() == gfxSurfaceType::D2D &&
|
|
format != SurfaceFormat::A8) {
|
|
NativeSurface surf;
|
|
surf.mFormat = format;
|
|
surf.mType = NativeSurfaceType::D3D10_TEXTURE;
|
|
surf.mSurface = static_cast<gfxD2DSurface*>(aSurface)->GetTexture();
|
|
surf.mSize = ToIntSize(aSurface->GetSize());
|
|
mozilla::gfx::DrawTarget *dt = static_cast<mozilla::gfx::DrawTarget*>(aSurface->GetData(&kDrawTarget));
|
|
if (dt) {
|
|
dt->Flush();
|
|
}
|
|
srcBuffer = aTarget->CreateSourceSurfaceFromNativeSurface(surf);
|
|
}
|
|
#endif
|
|
// 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 = ToIntSize(aSurface->GetSize());
|
|
RefPtr<DrawTarget> drawTarget =
|
|
Factory::CreateDrawTarget(BackendType::CAIRO, IntSize(1, 1), format);
|
|
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();
|
|
}
|
|
|
|
TemporaryRef<DataSourceSurface>
|
|
gfxPlatform::GetWrappedDataSourceSurface(gfxASurface* aSurface)
|
|
{
|
|
nsRefPtr<gfxImageSurface> image = aSurface->GetAsImageSurface();
|
|
if (!image) {
|
|
return nullptr;
|
|
}
|
|
RefPtr<DataSourceSurface> result =
|
|
Factory::CreateWrappingDataSourceSurface(image->Data(),
|
|
image->Stride(),
|
|
ToIntSize(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();
|
|
}
|
|
|
|
TemporaryRef<ScaledFont>
|
|
gfxPlatform::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
|
|
{
|
|
NativeFont nativeFont;
|
|
nativeFont.mType = NativeFontType::CAIRO_FONT_FACE;
|
|
nativeFont.mFont = aFont->GetCairoScaledFont();
|
|
RefPtr<ScaledFont> scaledFont =
|
|
Factory::CreateScaledFontForNativeFont(nativeFont,
|
|
aFont->GetAdjustedSize());
|
|
return scaledFont;
|
|
}
|
|
|
|
cairo_user_data_key_t kDrawSourceSurface;
|
|
static void
|
|
DataSourceSurfaceDestroy(void *dataSourceSurface)
|
|
{
|
|
static_cast<DataSourceSurface*>(dataSourceSurface)->Release();
|
|
}
|
|
|
|
cairo_user_data_key_t kDrawTargetForSurface;
|
|
static void
|
|
DataDrawTargetDestroy(void *aTarget)
|
|
{
|
|
static_cast<DrawTarget*>(aTarget)->Release();
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::SupportsAzureContentForDrawTarget(DrawTarget* aTarget)
|
|
{
|
|
if (!aTarget) {
|
|
return false;
|
|
}
|
|
|
|
return SupportsAzureContentForType(aTarget->GetBackendType());
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::UseAcceleratedSkiaCanvas()
|
|
{
|
|
return gfxPrefs::CanvasAzureAccelerated() &&
|
|
mPreferredCanvasBackend == BackendType::SKIA;
|
|
}
|
|
|
|
void
|
|
gfxPlatform::InitializeSkiaCacheLimits()
|
|
{
|
|
if (UseAcceleratedSkiaCanvas()) {
|
|
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) {
|
|
uint32_t totalMemory = mozilla::hal::GetTotalSystemMemory();
|
|
|
|
if (totalMemory <= 256*1024*1024) {
|
|
// We need a very minimal cache on 256 meg devices
|
|
cacheSizeLimit = 2*1024*1024;
|
|
} else if (totalMemory > 0) {
|
|
cacheSizeLimit = totalMemory / 16;
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
printf_stderr("Determined SkiaGL cache limits: Size %i, Items: %i\n", cacheSizeLimit, cacheItemLimit);
|
|
#endif
|
|
|
|
#ifdef USE_SKIA_GPU
|
|
mSkiaGlue->GetGrContext()->setTextureCacheLimits(cacheItemLimit, cacheSizeLimit);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
mozilla::gl::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.
|
|
*/
|
|
mozilla::gfx::SurfaceCaps caps = mozilla::gfx::SurfaceCaps::ForRGBA();
|
|
nsRefPtr<mozilla::gl::GLContext> glContext = mozilla::gl::GLContextProvider::CreateOffscreen(gfxIntSize(16, 16), caps);
|
|
if (!glContext) {
|
|
printf_stderr("Failed to create GLContext for SkiaGL!\n");
|
|
return nullptr;
|
|
}
|
|
mSkiaGlue = new mozilla::gl::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();
|
|
#endif
|
|
}
|
|
|
|
already_AddRefed<gfxASurface>
|
|
gfxPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
|
|
{
|
|
if (aTarget->GetBackendType() == BackendType::CAIRO) {
|
|
cairo_surface_t* csurf =
|
|
static_cast<cairo_surface_t*>(aTarget->GetNativeSurface(NativeSurfaceType::CAIRO_SURFACE));
|
|
if (csurf) {
|
|
return gfxASurface::Wrap(csurf);
|
|
}
|
|
}
|
|
|
|
// The semantics of this part of the function are sort of weird. If we
|
|
// don't have direct support for the backend, we snapshot the first time
|
|
// and then return the snapshotted surface for the lifetime of the draw
|
|
// target. Sometimes it seems like this works out, but it seems like it
|
|
// might result in no updates ever.
|
|
RefPtr<SourceSurface> source = aTarget->Snapshot();
|
|
RefPtr<DataSourceSurface> data = source->GetDataSurface();
|
|
|
|
if (!data) {
|
|
return nullptr;
|
|
}
|
|
|
|
IntSize size = data->GetSize();
|
|
gfxImageFormat format = SurfaceFormatToImageFormat(data->GetFormat());
|
|
|
|
|
|
nsRefPtr<gfxASurface> surf =
|
|
new gfxImageSurface(data->GetData(), gfxIntSize(size.width, size.height),
|
|
data->Stride(), format);
|
|
|
|
if (surf->CairoStatus()) {
|
|
return nullptr;
|
|
}
|
|
|
|
surf->SetData(&kDrawSourceSurface, data.forget().drop(), DataSourceSurfaceDestroy);
|
|
// keep the draw target alive as long as we need its data
|
|
aTarget->AddRef();
|
|
surf->SetData(&kDrawTargetForSurface, aTarget, DataDrawTargetDestroy);
|
|
|
|
return surf.forget();
|
|
}
|
|
|
|
TemporaryRef<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) {
|
|
nsRefPtr<gfxASurface> surf = CreateOffscreenSurface(aSize,
|
|
ContentForFormat(aFormat));
|
|
if (!surf || surf->CairoStatus()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return CreateDrawTargetForSurface(surf, aSize);
|
|
} else {
|
|
return Factory::CreateDrawTarget(aBackend, aSize, aFormat);
|
|
}
|
|
}
|
|
|
|
TemporaryRef<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();
|
|
}
|
|
|
|
return CreateDrawTargetForBackend(mFallbackCanvasBackend, aSize, aFormat);
|
|
}
|
|
|
|
TemporaryRef<DrawTarget>
|
|
gfxPlatform::CreateOffscreenContentDrawTarget(const IntSize& aSize, SurfaceFormat aFormat)
|
|
{
|
|
NS_ASSERTION(mPreferredCanvasBackend != BackendType::NONE, "No backend.");
|
|
return CreateDrawTargetForBackend(mContentBackend, aSize, aFormat);
|
|
}
|
|
|
|
TemporaryRef<DrawTarget>
|
|
gfxPlatform::CreateDrawTargetForData(unsigned char* aData, const IntSize& aSize, int32_t aStride, SurfaceFormat aFormat)
|
|
{
|
|
NS_ASSERTION(mContentBackend != BackendType::NONE, "No backend.");
|
|
|
|
RefPtr<DrawTarget> dt = Factory::CreateDrawTargetForData(mContentBackend,
|
|
aData, aSize,
|
|
aStride, aFormat);
|
|
if (!dt) {
|
|
// Factory::CreateDrawTargetForData does not support mContentBackend; retry
|
|
// with BackendType::CAIRO:
|
|
dt = Factory::CreateDrawTargetForData(BackendType::CAIRO,
|
|
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("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 gfxProxyFontEntry *aProxyEntry,
|
|
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) {
|
|
NS_Free((void*)aFontData);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
static void
|
|
AppendGenericFontFromPref(nsString& aFonts, nsIAtom *aLangGroup, const char *aGenericName)
|
|
{
|
|
NS_ENSURE_TRUE_VOID(Preferences::GetRootBranch());
|
|
|
|
nsAutoCString prefName, langGroupString;
|
|
|
|
aLangGroup->ToUTF8String(langGroupString);
|
|
|
|
nsAutoCString genericDotLang;
|
|
if (aGenericName) {
|
|
genericDotLang.Assign(aGenericName);
|
|
} else {
|
|
prefName.AssignLiteral("font.default.");
|
|
prefName.Append(langGroupString);
|
|
genericDotLang = Preferences::GetCString(prefName.get());
|
|
}
|
|
|
|
genericDotLang.Append('.');
|
|
genericDotLang.Append(langGroupString);
|
|
|
|
// fetch font.name.xxx value
|
|
prefName.AssignLiteral("font.name.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingString nameValue = Preferences::GetString(prefName.get());
|
|
if (nameValue) {
|
|
if (!aFonts.IsEmpty())
|
|
aFonts.AppendLiteral(", ");
|
|
aFonts += nameValue;
|
|
}
|
|
|
|
// fetch font.name-list.xxx value
|
|
prefName.AssignLiteral("font.name-list.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingString nameListValue = Preferences::GetString(prefName.get());
|
|
if (nameListValue && !nameListValue.Equals(nameValue)) {
|
|
if (!aFonts.IsEmpty())
|
|
aFonts.AppendLiteral(", ");
|
|
aFonts += nameListValue;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::GetPrefFonts(nsIAtom *aLanguage, nsString& aFonts, bool aAppendUnicode)
|
|
{
|
|
aFonts.Truncate();
|
|
|
|
AppendGenericFontFromPref(aFonts, aLanguage, nullptr);
|
|
if (aAppendUnicode)
|
|
AppendGenericFontFromPref(aFonts, nsGkAtoms::Unicode, nullptr);
|
|
}
|
|
|
|
bool gfxPlatform::ForEachPrefFont(eFontPrefLang aLangArray[], uint32_t aLangArrayLen, PrefFontCallback aCallback,
|
|
void *aClosure)
|
|
{
|
|
NS_ENSURE_TRUE(Preferences::GetRootBranch(), false);
|
|
|
|
uint32_t i;
|
|
for (i = 0; i < aLangArrayLen; i++) {
|
|
eFontPrefLang prefLang = aLangArray[i];
|
|
const char *langGroup = GetPrefLangName(prefLang);
|
|
|
|
nsAutoCString prefName;
|
|
|
|
prefName.AssignLiteral("font.default.");
|
|
prefName.Append(langGroup);
|
|
nsAdoptingCString genericDotLang = Preferences::GetCString(prefName.get());
|
|
|
|
genericDotLang.Append('.');
|
|
genericDotLang.Append(langGroup);
|
|
|
|
// fetch font.name.xxx value
|
|
prefName.AssignLiteral("font.name.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingCString nameValue = Preferences::GetCString(prefName.get());
|
|
if (nameValue) {
|
|
if (!aCallback(prefLang, NS_ConvertUTF8toUTF16(nameValue), aClosure))
|
|
return false;
|
|
}
|
|
|
|
// fetch font.name-list.xxx value
|
|
prefName.AssignLiteral("font.name-list.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingCString nameListValue = Preferences::GetCString(prefName.get());
|
|
if (nameListValue && !nameListValue.Equals(nameValue)) {
|
|
const char kComma = ',';
|
|
const char *p, *p_end;
|
|
nsAutoCString list(nameListValue);
|
|
list.BeginReading(p);
|
|
list.EndReading(p_end);
|
|
while (p < p_end) {
|
|
while (nsCRT::IsAsciiSpace(*p)) {
|
|
if (++p == p_end)
|
|
break;
|
|
}
|
|
if (p == p_end)
|
|
break;
|
|
const char *start = p;
|
|
while (++p != p_end && *p != kComma)
|
|
/* nothing */ ;
|
|
nsAutoCString fontName(Substring(start, p));
|
|
fontName.CompressWhitespace(false, true);
|
|
if (!aCallback(prefLang, NS_ConvertUTF8toUTF16(fontName), aClosure))
|
|
return false;
|
|
p++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(const char* aLang)
|
|
{
|
|
if (!aLang || !aLang[0]) {
|
|
return eFontPrefLang_Others;
|
|
}
|
|
for (uint32_t i = 0; i < ArrayLength(gPrefLangNames); ++i) {
|
|
if (!PL_strcasecmp(gPrefLangNames[i], aLang)) {
|
|
return eFontPrefLang(i);
|
|
}
|
|
}
|
|
return eFontPrefLang_Others;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(nsIAtom *aLang)
|
|
{
|
|
if (!aLang)
|
|
return eFontPrefLang_Others;
|
|
nsAutoCString lang;
|
|
aLang->ToUTF8String(lang);
|
|
return GetFontPrefLangFor(lang.get());
|
|
}
|
|
|
|
const char*
|
|
gfxPlatform::GetPrefLangName(eFontPrefLang aLang)
|
|
{
|
|
if (uint32_t(aLang) < ArrayLength(gPrefLangNames)) {
|
|
return gPrefLangNames[uint32_t(aLang)];
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(uint8_t aUnicodeRange)
|
|
{
|
|
switch (aUnicodeRange) {
|
|
case kRangeSetLatin: return eFontPrefLang_Western;
|
|
case kRangeCyrillic: return eFontPrefLang_Cyrillic;
|
|
case kRangeGreek: return eFontPrefLang_Greek;
|
|
case kRangeTurkish: return eFontPrefLang_Turkish;
|
|
case kRangeHebrew: return eFontPrefLang_Hebrew;
|
|
case kRangeArabic: return eFontPrefLang_Arabic;
|
|
case kRangeBaltic: return eFontPrefLang_Baltic;
|
|
case kRangeThai: return eFontPrefLang_Thai;
|
|
case kRangeKorean: return eFontPrefLang_Korean;
|
|
case kRangeJapanese: return eFontPrefLang_Japanese;
|
|
case kRangeSChinese: return eFontPrefLang_ChineseCN;
|
|
case kRangeTChinese: return eFontPrefLang_ChineseTW;
|
|
case kRangeDevanagari: return eFontPrefLang_Devanagari;
|
|
case kRangeTamil: return eFontPrefLang_Tamil;
|
|
case kRangeArmenian: return eFontPrefLang_Armenian;
|
|
case kRangeBengali: return eFontPrefLang_Bengali;
|
|
case kRangeCanadian: return eFontPrefLang_Canadian;
|
|
case kRangeEthiopic: return eFontPrefLang_Ethiopic;
|
|
case kRangeGeorgian: return eFontPrefLang_Georgian;
|
|
case kRangeGujarati: return eFontPrefLang_Gujarati;
|
|
case kRangeGurmukhi: return eFontPrefLang_Gurmukhi;
|
|
case kRangeKhmer: return eFontPrefLang_Khmer;
|
|
case kRangeMalayalam: return eFontPrefLang_Malayalam;
|
|
case kRangeOriya: return eFontPrefLang_Oriya;
|
|
case kRangeTelugu: return eFontPrefLang_Telugu;
|
|
case kRangeKannada: return eFontPrefLang_Kannada;
|
|
case kRangeSinhala: return eFontPrefLang_Sinhala;
|
|
case kRangeTibetan: return eFontPrefLang_Tibetan;
|
|
case kRangeSetCJK: return eFontPrefLang_CJKSet;
|
|
default: return eFontPrefLang_Others;
|
|
}
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::IsLangCJK(eFontPrefLang aLang)
|
|
{
|
|
switch (aLang) {
|
|
case eFontPrefLang_Japanese:
|
|
case eFontPrefLang_ChineseTW:
|
|
case eFontPrefLang_ChineseCN:
|
|
case eFontPrefLang_ChineseHK:
|
|
case eFontPrefLang_Korean:
|
|
case eFontPrefLang_CJKSet:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
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::GetLangPrefs(eFontPrefLang aPrefLangs[], uint32_t &aLen, eFontPrefLang aCharLang, eFontPrefLang aPageLang)
|
|
{
|
|
if (IsLangCJK(aCharLang)) {
|
|
AppendCJKPrefLangs(aPrefLangs, aLen, aCharLang, aPageLang);
|
|
} else {
|
|
AppendPrefLang(aPrefLangs, aLen, aCharLang);
|
|
}
|
|
|
|
AppendPrefLang(aPrefLangs, aLen, eFontPrefLang_Others);
|
|
}
|
|
|
|
void
|
|
gfxPlatform::AppendCJKPrefLangs(eFontPrefLang aPrefLangs[], uint32_t &aLen, eFontPrefLang aCharLang, eFontPrefLang aPageLang)
|
|
{
|
|
// prefer the lang specified by the page *if* CJK
|
|
if (IsLangCJK(aPageLang)) {
|
|
AppendPrefLang(aPrefLangs, aLen, aPageLang);
|
|
}
|
|
|
|
// if not set up, set up the default CJK order, based on accept lang settings and locale
|
|
if (mCJKPrefLangs.Length() == 0) {
|
|
|
|
// temp array
|
|
eFontPrefLang tempPrefLangs[kMaxLenPrefLangList];
|
|
uint32_t tempLen = 0;
|
|
|
|
// Add the CJK pref fonts from accept languages, the order should be same order
|
|
nsAdoptingCString list = Preferences::GetLocalizedCString("intl.accept_languages");
|
|
if (!list.IsEmpty()) {
|
|
const char kComma = ',';
|
|
const char *p, *p_end;
|
|
list.BeginReading(p);
|
|
list.EndReading(p_end);
|
|
while (p < p_end) {
|
|
while (nsCRT::IsAsciiSpace(*p)) {
|
|
if (++p == p_end)
|
|
break;
|
|
}
|
|
if (p == p_end)
|
|
break;
|
|
const char *start = p;
|
|
while (++p != p_end && *p != kComma)
|
|
/* nothing */ ;
|
|
nsAutoCString lang(Substring(start, p));
|
|
lang.CompressWhitespace(false, true);
|
|
eFontPrefLang fpl = gfxPlatform::GetFontPrefLangFor(lang.get());
|
|
switch (fpl) {
|
|
case eFontPrefLang_Japanese:
|
|
case eFontPrefLang_Korean:
|
|
case eFontPrefLang_ChineseCN:
|
|
case eFontPrefLang_ChineseHK:
|
|
case eFontPrefLang_ChineseTW:
|
|
AppendPrefLang(tempPrefLangs, tempLen, fpl);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
do { // to allow 'break' to abort this block if a call fails
|
|
nsresult rv;
|
|
nsCOMPtr<nsILocaleService> ls =
|
|
do_GetService(NS_LOCALESERVICE_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
|
|
nsCOMPtr<nsILocale> appLocale;
|
|
rv = ls->GetApplicationLocale(getter_AddRefs(appLocale));
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
|
|
nsString localeStr;
|
|
rv = appLocale->
|
|
GetCategory(NS_LITERAL_STRING(NSILOCALE_MESSAGE), localeStr);
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
|
|
const nsAString& lang = Substring(localeStr, 0, 2);
|
|
if (lang.EqualsLiteral("ja")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Japanese);
|
|
} else if (lang.EqualsLiteral("zh")) {
|
|
const nsAString& region = Substring(localeStr, 3, 2);
|
|
if (region.EqualsLiteral("CN")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseCN);
|
|
} else if (region.EqualsLiteral("TW")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseTW);
|
|
} else if (region.EqualsLiteral("HK")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseHK);
|
|
}
|
|
} else if (lang.EqualsLiteral("ko")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Korean);
|
|
}
|
|
} while (0);
|
|
|
|
// last resort... (the order is same as old gfx.)
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Japanese);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Korean);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseCN);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseHK);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseTW);
|
|
|
|
// copy into the cached array
|
|
uint32_t j;
|
|
for (j = 0; j < tempLen; j++) {
|
|
mCJKPrefLangs.AppendElement(tempPrefLangs[j]);
|
|
}
|
|
}
|
|
|
|
// append in cached CJK langs
|
|
uint32_t i, numCJKlangs = mCJKPrefLangs.Length();
|
|
|
|
for (i = 0; i < numCJKlangs; i++) {
|
|
AppendPrefLang(aPrefLangs, aLen, (eFontPrefLang) (mCJKPrefLangs[i]));
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
gfxPlatform::AppendPrefLang(eFontPrefLang aPrefLangs[], uint32_t& aLen, eFontPrefLang aAddLang)
|
|
{
|
|
if (aLen >= kMaxLenPrefLangList) return;
|
|
|
|
// make sure
|
|
uint32_t i = 0;
|
|
while (i < aLen && aPrefLangs[i] != aAddLang) {
|
|
i++;
|
|
}
|
|
|
|
if (i == aLen) {
|
|
aPrefLangs[aLen] = aAddLang;
|
|
aLen++;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::InitBackendPrefs(uint32_t aCanvasBitmask, BackendType aCanvasDefault,
|
|
uint32_t aContentBitmask, BackendType aContentDefault)
|
|
{
|
|
mPreferredCanvasBackend = GetCanvasBackendPref(aCanvasBitmask);
|
|
if (mPreferredCanvasBackend == BackendType::NONE) {
|
|
mPreferredCanvasBackend = aCanvasDefault;
|
|
}
|
|
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::OffMainThreadCompositingEnabled()
|
|
{
|
|
return UsesOffMainThreadCompositing();
|
|
}
|
|
|
|
eCMSMode
|
|
gfxPlatform::GetCMSMode()
|
|
{
|
|
if (gCMSInitialized == false) {
|
|
gCMSInitialized = true;
|
|
|
|
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();
|
|
}
|
|
}
|
|
return gCMSMode;
|
|
}
|
|
|
|
int
|
|
gfxPlatform::GetRenderingIntent()
|
|
{
|
|
if (!gCMSIntentInitialized) {
|
|
gCMSIntentInitialized = true;
|
|
|
|
// 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)) {
|
|
gCMSIntent = pIntent;
|
|
} else {
|
|
/* If the pref is out of range, use embedded profile. */
|
|
gCMSIntent = -1;
|
|
}
|
|
}
|
|
return gCMSIntent;
|
|
}
|
|
|
|
void
|
|
gfxPlatform::TransformPixel(const gfxRGBA& in, gfxRGBA& 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.Packed(gfxRGBA::PACKED_ABGR);
|
|
qcms_transform_data(transform,
|
|
(uint8_t *)&packed, (uint8_t *)&packed,
|
|
1);
|
|
out.~gfxRGBA();
|
|
new (&out) gfxRGBA(packed, gfxRGBA::PACKED_ABGR);
|
|
#else
|
|
/* ARGB puts the bytes in |ARGB| order on big endian */
|
|
uint32_t packed = in.Packed(gfxRGBA::PACKED_ARGB);
|
|
/* add one to move past the alpha byte */
|
|
qcms_transform_data(transform,
|
|
(uint8_t *)&packed + 1, (uint8_t *)&packed + 1,
|
|
1);
|
|
out.~gfxRGBA();
|
|
new (&out) gfxRGBA(packed, gfxRGBA::PACKED_ARGB);
|
|
#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
|
|
gCMSIntent = -2;
|
|
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();
|
|
}
|
|
}
|
|
|
|
|
|
PRLogModuleInfo*
|
|
gfxPlatform::GetLog(eGfxLog aWhichLog)
|
|
{
|
|
// logs shared across gfx
|
|
#ifdef PR_LOGGING
|
|
static PRLogModuleInfo *sFontlistLog = nullptr;
|
|
static PRLogModuleInfo *sFontInitLog = nullptr;
|
|
static PRLogModuleInfo *sTextrunLog = nullptr;
|
|
static PRLogModuleInfo *sTextrunuiLog = nullptr;
|
|
static PRLogModuleInfo *sCmapDataLog = nullptr;
|
|
static PRLogModuleInfo *sTextPerfLog = nullptr;
|
|
|
|
// Assume that if one is initialized, all are initialized
|
|
if (!sFontlistLog) {
|
|
sFontlistLog = PR_NewLogModule("fontlist");
|
|
sFontInitLog = PR_NewLogModule("fontinit");
|
|
sTextrunLog = PR_NewLogModule("textrun");
|
|
sTextrunuiLog = PR_NewLogModule("textrunui");
|
|
sCmapDataLog = PR_NewLogModule("cmapdata");
|
|
sTextPerfLog = PR_NewLogModule("textperf");
|
|
}
|
|
|
|
switch (aWhichLog) {
|
|
case eGfxLog_fontlist:
|
|
return sFontlistLog;
|
|
break;
|
|
case eGfxLog_fontinit:
|
|
return sFontInitLog;
|
|
break;
|
|
case eGfxLog_textrun:
|
|
return sTextrunLog;
|
|
break;
|
|
case eGfxLog_textrunui:
|
|
return sTextrunuiLog;
|
|
break;
|
|
case eGfxLog_cmapdata:
|
|
return sCmapDataLog;
|
|
break;
|
|
case eGfxLog_textperf:
|
|
return sTextPerfLog;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return nullptr;
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
int
|
|
gfxPlatform::GetScreenDepth() const
|
|
{
|
|
NS_WARNING("GetScreenDepth not implemented on this platform -- returning 0!");
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
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;
|
|
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 = Preferences::GetBool("browser.tabs.remote.autostart", false);
|
|
|
|
#ifdef XP_WIN
|
|
if (gfxPrefs::LayersAccelerationForceEnabled()) {
|
|
sLayersSupportsD3D9 = true;
|
|
sLayersSupportsD3D11 = true;
|
|
} else {
|
|
nsCOMPtr<nsIGfxInfo> gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
|
|
if (gfxInfo) {
|
|
int32_t status;
|
|
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS, &status))) {
|
|
if (status == nsIGfxInfo::FEATURE_NO_INFO) {
|
|
sLayersSupportsD3D9 = true;
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(gfxInfo->GetFeatureStatus(nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS, &status))) {
|
|
if (status == nsIGfxInfo::FEATURE_NO_INFO) {
|
|
sLayersSupportsD3D11 = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
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::BufferRotationEnabled()
|
|
{
|
|
MutexAutoLock autoLock(*gGfxPlatformPrefsLock);
|
|
|
|
return sBufferRotationCheckPref && gfxPrefs::BufferRotationEnabled();
|
|
}
|
|
|
|
void
|
|
gfxPlatform::DisableBufferRotation()
|
|
{
|
|
MutexAutoLock autoLock(*gGfxPlatformPrefsLock);
|
|
|
|
sBufferRotationCheckPref = false;
|
|
}
|
|
|
|
TemporaryRef<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) && defined(NIGHTLY_BUILD)
|
|
// Linux users who chose OpenGL are being grandfathered in to OMTC
|
|
result |=
|
|
gfxPrefs::LayersAccelerationForceEnabled() ||
|
|
PR_GetEnv("MOZ_USE_OMTC") ||
|
|
PR_GetEnv("MOZ_OMTC_ENABLED"); // yeah, these two env vars do the same thing.
|
|
// I'm told that one of them is enabled on some test slaves config.
|
|
// so be slightly careful if you think you can
|
|
// remove one of them.
|
|
#endif
|
|
firstTime = false;
|
|
}
|
|
|
|
return result;
|
|
}
|