зеркало из https://github.com/mozilla/gecko-dev.git
604 строки
20 KiB
C++
604 строки
20 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 "gfxPlatformMac.h"
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#include "gfxQuartzSurface.h"
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#include "mozilla/gfx/2D.h"
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#include "gfxMacPlatformFontList.h"
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#include "gfxMacFont.h"
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#include "gfxCoreTextShaper.h"
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#include "gfxTextRun.h"
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#include "gfxUserFontSet.h"
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#include "nsTArray.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/VsyncDispatcher.h"
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#include "nsCocoaFeatures.h"
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#include "nsUnicodeProperties.h"
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#include "qcms.h"
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#include "gfx2DGlue.h"
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#include <dlfcn.h>
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#include <CoreVideo/CoreVideo.h>
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#include "mozilla/layers/CompositorBridgeParent.h"
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#include "VsyncSource.h"
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::unicode;
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using mozilla::dom::SystemFontListEntry;
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// cribbed from CTFontManager.h
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enum { kAutoActivationDisabled = 1 };
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typedef uint32_t AutoActivationSetting;
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// bug 567552 - disable auto-activation of fonts
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static void DisableFontActivation() {
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// get the main bundle identifier
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CFBundleRef mainBundle = ::CFBundleGetMainBundle();
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CFStringRef mainBundleID = nullptr;
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if (mainBundle) {
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mainBundleID = ::CFBundleGetIdentifier(mainBundle);
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}
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// bug 969388 and bug 922590 - mainBundlID as null is sometimes problematic
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if (!mainBundleID) {
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NS_WARNING("missing bundle ID, packaging set up incorrectly");
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return;
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}
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// if possible, fetch CTFontManagerSetAutoActivationSetting
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void (*CTFontManagerSetAutoActivationSettingPtr)(CFStringRef,
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AutoActivationSetting);
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CTFontManagerSetAutoActivationSettingPtr =
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(void (*)(CFStringRef, AutoActivationSetting))dlsym(
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RTLD_DEFAULT, "CTFontManagerSetAutoActivationSetting");
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// bug 567552 - disable auto-activation of fonts
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if (CTFontManagerSetAutoActivationSettingPtr) {
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CTFontManagerSetAutoActivationSettingPtr(mainBundleID,
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kAutoActivationDisabled);
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}
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}
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gfxPlatformMac::gfxPlatformMac() {
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DisableFontActivation();
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mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
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InitBackendPrefs(GetBackendPrefs());
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if (nsCocoaFeatures::OnHighSierraOrLater()) {
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mHasNativeColrFontSupport = true;
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}
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}
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gfxPlatformMac::~gfxPlatformMac() { gfxCoreTextShaper::Shutdown(); }
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BackendPrefsData gfxPlatformMac::GetBackendPrefs() const {
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BackendPrefsData data;
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data.mCanvasBitmask = BackendTypeBit(BackendType::SKIA);
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data.mContentBitmask = BackendTypeBit(BackendType::SKIA);
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data.mCanvasDefault = BackendType::SKIA;
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data.mContentDefault = BackendType::SKIA;
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return data;
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}
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bool gfxPlatformMac::UsesTiling() const {
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// The non-tiling ContentClient requires CrossProcessSemaphore which
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// isn't implemented for OSX.
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return true;
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}
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bool gfxPlatformMac::ContentUsesTiling() const { return UsesTiling(); }
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gfxPlatformFontList* gfxPlatformMac::CreatePlatformFontList() {
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gfxPlatformFontList* list = new gfxMacPlatformFontList();
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if (NS_SUCCEEDED(list->InitFontList())) {
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return list;
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}
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gfxPlatformFontList::Shutdown();
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return nullptr;
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}
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void gfxPlatformMac::ReadSystemFontList(
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nsTArray<SystemFontListEntry>* aFontList) {
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gfxMacPlatformFontList::PlatformFontList()->ReadSystemFontList(aFontList);
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}
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already_AddRefed<gfxASurface> gfxPlatformMac::CreateOffscreenSurface(
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const IntSize& aSize, gfxImageFormat aFormat) {
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if (!Factory::AllowedSurfaceSize(aSize)) {
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return nullptr;
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}
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RefPtr<gfxASurface> newSurface = new gfxQuartzSurface(aSize, aFormat);
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return newSurface.forget();
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}
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gfxFontGroup* gfxPlatformMac::CreateFontGroup(
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const FontFamilyList& aFontFamilyList, const gfxFontStyle* aStyle,
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gfxTextPerfMetrics* aTextPerf, gfxUserFontSet* aUserFontSet,
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gfxFloat aDevToCssSize) {
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return new gfxFontGroup(aFontFamilyList, aStyle, aTextPerf, aUserFontSet,
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aDevToCssSize);
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}
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bool gfxPlatformMac::IsFontFormatSupported(uint32_t aFormatFlags) {
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if (gfxPlatform::IsFontFormatSupported(aFormatFlags)) {
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return true;
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}
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// If the generic method rejected the format hint, then check for any
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// platform-specific format we know about.
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if (aFormatFlags & gfxUserFontSet::FLAG_FORMAT_TRUETYPE_AAT) {
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return true;
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}
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return false;
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}
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static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
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static const char kFontAppleBraille[] = "Apple Braille";
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static const char kFontAppleColorEmoji[] = "Apple Color Emoji";
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static const char kFontAppleSymbols[] = "Apple Symbols";
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static const char kFontDevanagariSangamMN[] = "Devanagari Sangam MN";
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static const char kFontEuphemiaUCAS[] = "Euphemia UCAS";
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static const char kFontGeneva[] = "Geneva";
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static const char kFontGeezaPro[] = "Geeza Pro";
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static const char kFontGujaratiSangamMN[] = "Gujarati Sangam MN";
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static const char kFontGurmukhiMN[] = "Gurmukhi MN";
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static const char kFontHiraginoKakuGothic[] = "Hiragino Kaku Gothic ProN";
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static const char kFontHiraginoSansGB[] = "Hiragino Sans GB";
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static const char kFontKefa[] = "Kefa";
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static const char kFontKhmerMN[] = "Khmer MN";
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static const char kFontLaoMN[] = "Lao MN";
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static const char kFontLucidaGrande[] = "Lucida Grande";
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static const char kFontMenlo[] = "Menlo";
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static const char kFontMicrosoftTaiLe[] = "Microsoft Tai Le";
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static const char kFontMingLiUExtB[] = "MingLiU-ExtB";
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static const char kFontMyanmarMN[] = "Myanmar MN";
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static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
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static const char kFontSimSunExtB[] = "SimSun-ExtB";
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static const char kFontSongtiSC[] = "Songti SC";
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static const char kFontSTHeiti[] = "STHeiti";
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static const char kFontSTIXGeneral[] = "STIXGeneral";
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static const char kFontTamilMN[] = "Tamil MN";
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void gfxPlatformMac::GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
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Script aRunScript,
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nsTArray<const char*>& aFontList) {
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EmojiPresentation emoji = GetEmojiPresentation(aCh);
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if (emoji != EmojiPresentation::TextOnly) {
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if (aNextCh == kVariationSelector16 ||
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(aNextCh != kVariationSelector15 &&
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emoji == EmojiPresentation::EmojiDefault)) {
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// if char is followed by VS16, try for a color emoji glyph
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aFontList.AppendElement(kFontAppleColorEmoji);
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}
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}
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aFontList.AppendElement(kFontLucidaGrande);
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if (!IS_IN_BMP(aCh)) {
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uint32_t p = aCh >> 16;
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if (p == 1) {
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aFontList.AppendElement(kFontAppleSymbols);
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aFontList.AppendElement(kFontSTIXGeneral);
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aFontList.AppendElement(kFontGeneva);
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} else if (p == 2) {
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// OSX installations with MS Office may have these fonts
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aFontList.AppendElement(kFontMingLiUExtB);
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aFontList.AppendElement(kFontSimSunExtB);
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}
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} else {
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uint32_t b = (aCh >> 8) & 0xff;
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switch (b) {
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case 0x03:
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case 0x05:
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x07:
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aFontList.AppendElement(kFontGeezaPro);
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break;
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case 0x09:
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aFontList.AppendElement(kFontDevanagariSangamMN);
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break;
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case 0x0a:
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aFontList.AppendElement(kFontGurmukhiMN);
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aFontList.AppendElement(kFontGujaratiSangamMN);
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break;
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case 0x0b:
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aFontList.AppendElement(kFontTamilMN);
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break;
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case 0x0e:
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aFontList.AppendElement(kFontLaoMN);
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break;
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case 0x0f:
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aFontList.AppendElement(kFontSongtiSC);
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break;
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case 0x10:
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aFontList.AppendElement(kFontMenlo);
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aFontList.AppendElement(kFontMyanmarMN);
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break;
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case 0x13: // Cherokee
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aFontList.AppendElement(kFontPlantagenetCherokee);
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aFontList.AppendElement(kFontKefa);
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break;
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case 0x14: // Unified Canadian Aboriginal Syllabics
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case 0x15:
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case 0x16:
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aFontList.AppendElement(kFontEuphemiaUCAS);
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x18: // Mongolian, UCAS
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aFontList.AppendElement(kFontSTHeiti);
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aFontList.AppendElement(kFontEuphemiaUCAS);
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break;
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case 0x19: // Khmer
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aFontList.AppendElement(kFontKhmerMN);
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aFontList.AppendElement(kFontMicrosoftTaiLe);
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break;
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case 0x1d:
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case 0x1e:
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x20: // Symbol ranges
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case 0x21:
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case 0x22:
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case 0x23:
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case 0x24:
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case 0x25:
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case 0x26:
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case 0x27:
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case 0x29:
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case 0x2a:
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case 0x2b:
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case 0x2e:
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aFontList.AppendElement(kFontHiraginoKakuGothic);
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aFontList.AppendElement(kFontAppleSymbols);
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aFontList.AppendElement(kFontMenlo);
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aFontList.AppendElement(kFontSTIXGeneral);
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aFontList.AppendElement(kFontGeneva);
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aFontList.AppendElement(kFontAppleColorEmoji);
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break;
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case 0x2c:
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x2d:
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aFontList.AppendElement(kFontKefa);
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x28: // Braille
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aFontList.AppendElement(kFontAppleBraille);
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break;
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case 0x31:
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aFontList.AppendElement(kFontHiraginoSansGB);
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break;
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case 0x4d:
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aFontList.AppendElement(kFontAppleSymbols);
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break;
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case 0xa0: // Yi
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case 0xa1:
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case 0xa2:
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case 0xa3:
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case 0xa4:
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aFontList.AppendElement(kFontSTHeiti);
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break;
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case 0xa6:
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case 0xa7:
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aFontList.AppendElement(kFontGeneva);
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aFontList.AppendElement(kFontAppleSymbols);
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break;
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case 0xab:
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aFontList.AppendElement(kFontKefa);
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break;
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case 0xfc:
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case 0xff:
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aFontList.AppendElement(kFontAppleSymbols);
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break;
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default:
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break;
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}
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}
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// Arial Unicode MS has lots of glyphs for obscure, use it as a last resort
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aFontList.AppendElement(kFontArialUnicodeMS);
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}
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/*static*/
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void gfxPlatformMac::LookupSystemFont(
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mozilla::LookAndFeel::FontID aSystemFontID, nsACString& aSystemFontName,
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gfxFontStyle& aFontStyle) {
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gfxMacPlatformFontList* pfl = gfxMacPlatformFontList::PlatformFontList();
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return pfl->LookupSystemFont(aSystemFontID, aSystemFontName, aFontStyle);
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}
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uint32_t gfxPlatformMac::ReadAntiAliasingThreshold() {
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uint32_t threshold = 0; // default == no threshold
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// first read prefs flag to determine whether to use the setting or not
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bool useAntiAliasingThreshold =
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Preferences::GetBool("gfx.use_text_smoothing_setting", false);
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// if the pref setting is disabled, return 0 which effectively disables this
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// feature
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if (!useAntiAliasingThreshold) return threshold;
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// value set via Appearance pref panel, "Turn off text smoothing for font
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// sizes xxx and smaller"
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CFNumberRef prefValue = (CFNumberRef)CFPreferencesCopyAppValue(
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CFSTR("AppleAntiAliasingThreshold"), kCFPreferencesCurrentApplication);
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if (prefValue) {
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if (!CFNumberGetValue(prefValue, kCFNumberIntType, &threshold)) {
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threshold = 0;
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}
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CFRelease(prefValue);
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}
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return threshold;
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}
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bool gfxPlatformMac::AccelerateLayersByDefault() { return true; }
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// This is the renderer output callback function, called on the vsync thread
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static CVReturn VsyncCallback(CVDisplayLinkRef aDisplayLink,
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const CVTimeStamp* aNow,
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const CVTimeStamp* aOutputTime,
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CVOptionFlags aFlagsIn, CVOptionFlags* aFlagsOut,
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void* aDisplayLinkContext);
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class OSXVsyncSource final : public VsyncSource {
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public:
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OSXVsyncSource() {}
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Display& GetGlobalDisplay() override { return mGlobalDisplay; }
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class OSXDisplay final : public VsyncSource::Display {
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public:
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OSXDisplay() : mDisplayLink(nullptr) {
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MOZ_ASSERT(NS_IsMainThread());
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mTimer = NS_NewTimer();
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}
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virtual ~OSXDisplay() { MOZ_ASSERT(NS_IsMainThread()); }
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static void RetryEnableVsync(nsITimer* aTimer, void* aOsxDisplay) {
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MOZ_ASSERT(NS_IsMainThread());
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OSXDisplay* osxDisplay = static_cast<OSXDisplay*>(aOsxDisplay);
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MOZ_ASSERT(osxDisplay);
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osxDisplay->EnableVsync();
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}
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void EnableVsync() override {
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MOZ_ASSERT(NS_IsMainThread());
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if (IsVsyncEnabled()) {
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return;
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}
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// Create a display link capable of being used with all active displays
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// TODO: See if we need to create an active DisplayLink for each monitor
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// in multi-monitor situations. According to the docs, it is compatible
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// with all displays running on the computer But if we have different
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// monitors at different display rates, we may hit issues.
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CVReturn retval = CVDisplayLinkCreateWithActiveCGDisplays(&mDisplayLink);
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// Workaround for bug 1201401: CVDisplayLinkCreateWithCGDisplays()
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// (called by CVDisplayLinkCreateWithActiveCGDisplays()) sometimes
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// creates a CVDisplayLinkRef with an uninitialized (nulled) internal
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// pointer. If we continue to use this CVDisplayLinkRef, we will
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// eventually crash in CVCGDisplayLink::getDisplayTimes(), where the
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// internal pointer is dereferenced. Fortunately, when this happens
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// another internal variable is also left uninitialized (zeroed),
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// which is accessible via CVDisplayLinkGetCurrentCGDisplay(). In
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// normal conditions the current display is never zero.
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if ((retval == kCVReturnSuccess) &&
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(CVDisplayLinkGetCurrentCGDisplay(mDisplayLink) == 0)) {
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retval = kCVReturnInvalidDisplay;
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}
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if (retval != kCVReturnSuccess) {
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NS_WARNING(
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"Could not create a display link with all active displays. "
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"Retrying");
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CVDisplayLinkRelease(mDisplayLink);
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mDisplayLink = nullptr;
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// bug 1142708 - When coming back from sleep,
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// or when changing displays, active displays may not be ready yet,
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// even if listening for the kIOMessageSystemHasPoweredOn event
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// from OS X sleep notifications.
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// Active displays are those that are drawable.
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// bug 1144638 - When changing display configurations and getting
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// notifications from CGDisplayReconfigurationCallBack, the
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// callback gets called twice for each active display
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// so it's difficult to know when all displays are active.
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// Instead, try again soon. The delay is arbitrary. 100ms chosen
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// because on a late 2013 15" retina, it takes about that
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// long to come back up from sleep.
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uint32_t delay = 100;
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mTimer->InitWithNamedFuncCallback(RetryEnableVsync, this, delay,
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nsITimer::TYPE_ONE_SHOT,
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"RetryEnableVsync");
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return;
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}
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if (CVDisplayLinkSetOutputCallback(mDisplayLink, &VsyncCallback, this) !=
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kCVReturnSuccess) {
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NS_WARNING("Could not set displaylink output callback");
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CVDisplayLinkRelease(mDisplayLink);
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mDisplayLink = nullptr;
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return;
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}
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mPreviousTimestamp = TimeStamp::Now();
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if (CVDisplayLinkStart(mDisplayLink) != kCVReturnSuccess) {
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NS_WARNING("Could not activate the display link");
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CVDisplayLinkRelease(mDisplayLink);
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mDisplayLink = nullptr;
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}
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CVTime vsyncRate =
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CVDisplayLinkGetNominalOutputVideoRefreshPeriod(mDisplayLink);
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if (vsyncRate.flags & kCVTimeIsIndefinite) {
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NS_WARNING("Could not get vsync rate, setting to 60.");
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mVsyncRate = TimeDuration::FromMilliseconds(1000.0 / 60.0);
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} else {
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int64_t timeValue = vsyncRate.timeValue;
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int64_t timeScale = vsyncRate.timeScale;
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const int milliseconds = 1000;
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float rateInMs = ((double)timeValue / (double)timeScale) * milliseconds;
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mVsyncRate = TimeDuration::FromMilliseconds(rateInMs);
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}
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}
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void DisableVsync() override {
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MOZ_ASSERT(NS_IsMainThread());
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if (!IsVsyncEnabled()) {
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return;
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}
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// Release the display link
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if (mDisplayLink) {
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CVDisplayLinkRelease(mDisplayLink);
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mDisplayLink = nullptr;
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}
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}
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bool IsVsyncEnabled() override {
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MOZ_ASSERT(NS_IsMainThread());
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return mDisplayLink != nullptr;
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}
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TimeDuration GetVsyncRate() override { return mVsyncRate; }
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void Shutdown() override {
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MOZ_ASSERT(NS_IsMainThread());
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mTimer->Cancel();
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mTimer = nullptr;
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DisableVsync();
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}
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// The vsync timestamps given by the CVDisplayLinkCallback are
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|
// in the future for the NEXT frame. Large parts of Gecko, such
|
|
// as animations assume a timestamp at either now or in the past.
|
|
// Normalize the timestamps given to the VsyncDispatchers to the vsync
|
|
// that just occured, not the vsync that is upcoming.
|
|
TimeStamp mPreviousTimestamp;
|
|
|
|
private:
|
|
// Manages the display link render thread
|
|
CVDisplayLinkRef mDisplayLink;
|
|
RefPtr<nsITimer> mTimer;
|
|
TimeDuration mVsyncRate;
|
|
}; // OSXDisplay
|
|
|
|
private:
|
|
virtual ~OSXVsyncSource() = default;
|
|
|
|
OSXDisplay mGlobalDisplay;
|
|
}; // OSXVsyncSource
|
|
|
|
static CVReturn VsyncCallback(CVDisplayLinkRef aDisplayLink,
|
|
const CVTimeStamp* aNow,
|
|
const CVTimeStamp* aOutputTime,
|
|
CVOptionFlags aFlagsIn, CVOptionFlags* aFlagsOut,
|
|
void* aDisplayLinkContext) {
|
|
// Executed on OS X hardware vsync thread
|
|
OSXVsyncSource::OSXDisplay* display =
|
|
(OSXVsyncSource::OSXDisplay*)aDisplayLinkContext;
|
|
int64_t nextVsyncTimestamp = aOutputTime->hostTime;
|
|
|
|
mozilla::TimeStamp nextVsync =
|
|
mozilla::TimeStamp::FromSystemTime(nextVsyncTimestamp);
|
|
mozilla::TimeStamp previousVsync = display->mPreviousTimestamp;
|
|
mozilla::TimeStamp now = TimeStamp::Now();
|
|
|
|
// Snow leopard sometimes sends vsync timestamps very far in the past.
|
|
// Normalize the vsync timestamps to now.
|
|
if (nextVsync <= previousVsync) {
|
|
nextVsync = now;
|
|
previousVsync = now;
|
|
} else if (now < previousVsync) {
|
|
// Bug 1158321 - The VsyncCallback can sometimes execute before the reported
|
|
// vsync time. In those cases, normalize the timestamp to Now() as sending
|
|
// timestamps in the future has undefined behavior. See the comment above
|
|
// OSXDisplay::mPreviousTimestamp
|
|
previousVsync = now;
|
|
}
|
|
|
|
display->mPreviousTimestamp = nextVsync;
|
|
|
|
display->NotifyVsync(previousVsync);
|
|
return kCVReturnSuccess;
|
|
}
|
|
|
|
already_AddRefed<mozilla::gfx::VsyncSource>
|
|
gfxPlatformMac::CreateHardwareVsyncSource() {
|
|
RefPtr<VsyncSource> osxVsyncSource = new OSXVsyncSource();
|
|
VsyncSource::Display& primaryDisplay = osxVsyncSource->GetGlobalDisplay();
|
|
primaryDisplay.EnableVsync();
|
|
if (!primaryDisplay.IsVsyncEnabled()) {
|
|
NS_WARNING(
|
|
"OS X Vsync source not enabled. Falling back to software vsync.");
|
|
return gfxPlatform::CreateHardwareVsyncSource();
|
|
}
|
|
|
|
primaryDisplay.DisableVsync();
|
|
return osxVsyncSource.forget();
|
|
}
|
|
|
|
void gfxPlatformMac::GetPlatformCMSOutputProfile(void*& mem, size_t& size) {
|
|
mem = nullptr;
|
|
size = 0;
|
|
|
|
CGColorSpaceRef cspace = ::CGDisplayCopyColorSpace(::CGMainDisplayID());
|
|
if (!cspace) {
|
|
cspace = ::CGColorSpaceCreateDeviceRGB();
|
|
}
|
|
if (!cspace) {
|
|
return;
|
|
}
|
|
|
|
CFDataRef iccp = ::CGColorSpaceCopyICCProfile(cspace);
|
|
|
|
::CFRelease(cspace);
|
|
|
|
if (!iccp) {
|
|
return;
|
|
}
|
|
|
|
// copy to external buffer
|
|
size = static_cast<size_t>(::CFDataGetLength(iccp));
|
|
if (size > 0) {
|
|
void* data = malloc(size);
|
|
if (data) {
|
|
memcpy(data, ::CFDataGetBytePtr(iccp), size);
|
|
mem = data;
|
|
} else {
|
|
size = 0;
|
|
}
|
|
}
|
|
|
|
::CFRelease(iccp);
|
|
}
|
|
|
|
bool gfxPlatformMac::CheckVariationFontSupport() {
|
|
// We don't allow variation fonts to be enabled before 10.13,
|
|
// as although the Core Text APIs existed, they are known to be
|
|
// fairly buggy.
|
|
// (Note that Safari also requires 10.13 for variation-font support.)
|
|
return nsCocoaFeatures::OnHighSierraOrLater();
|
|
}
|