mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/gfx/thebes/gfxPlatformMac.cpp

633 строки
21 KiB
C++
Исходник Ответственный История

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gfxPlatformMac.h"
#include "gfxQuartzSurface.h"
#include "gfxQuartzImageSurface.h"
#include "mozilla/gfx/2D.h"
#include "gfxMacPlatformFontList.h"
#include "gfxMacFont.h"
#include "gfxCoreTextShaper.h"
#include "gfxTextRun.h"
#include "gfxUserFontSet.h"
#include "nsTArray.h"
#include "mozilla/Preferences.h"
#include "mozilla/VsyncDispatcher.h"
#include "qcms.h"
#include "gfx2DGlue.h"
#include <dlfcn.h>
#include <CoreVideo/CoreVideo.h>
#include "nsCocoaFeatures.h"
#include "mozilla/layers/CompositorParent.h"
#include "VsyncSource.h"
using namespace mozilla;
using namespace mozilla::gfx;
// cribbed from CTFontManager.h
enum {
kAutoActivationDisabled = 1
};
typedef uint32_t AutoActivationSetting;
// bug 567552 - disable auto-activation of fonts
static void
DisableFontActivation()
{
// get the main bundle identifier
CFBundleRef mainBundle = ::CFBundleGetMainBundle();
CFStringRef mainBundleID = nullptr;
if (mainBundle) {
mainBundleID = ::CFBundleGetIdentifier(mainBundle);
}
// bug 969388 and bug 922590 - mainBundlID as null is sometimes problematic
if (!mainBundleID) {
NS_WARNING("missing bundle ID, packaging set up incorrectly");
return;
}
// if possible, fetch CTFontManagerSetAutoActivationSetting
void (*CTFontManagerSetAutoActivationSettingPtr)
(CFStringRef, AutoActivationSetting);
CTFontManagerSetAutoActivationSettingPtr =
(void (*)(CFStringRef, AutoActivationSetting))
dlsym(RTLD_DEFAULT, "CTFontManagerSetAutoActivationSetting");
// bug 567552 - disable auto-activation of fonts
if (CTFontManagerSetAutoActivationSettingPtr) {
CTFontManagerSetAutoActivationSettingPtr(mainBundleID,
kAutoActivationDisabled);
}
}
gfxPlatformMac::gfxPlatformMac()
{
DisableFontActivation();
mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) |
BackendTypeBit(BackendType::SKIA) |
BackendTypeBit(BackendType::COREGRAPHICS);
uint32_t contentMask = BackendTypeBit(BackendType::COREGRAPHICS);
InitBackendPrefs(canvasMask, BackendType::COREGRAPHICS,
contentMask, BackendType::COREGRAPHICS);
// XXX: Bug 1036682 - we run out of fds on Mac when using tiled layers because
// with 256x256 tiles we can easily hit the soft limit of 800 when using double
// buffered tiles in e10s, so let's bump the soft limit to the hard limit for the OS
// up to a new cap of OPEN_MAX.
struct rlimit limits;
if (getrlimit(RLIMIT_NOFILE, &limits) == 0) {
limits.rlim_cur = std::min(rlim_t(OPEN_MAX), limits.rlim_max);
if (setrlimit(RLIMIT_NOFILE, &limits) != 0) {
NS_WARNING("Unable to bump RLIMIT_NOFILE to the maximum number on this OS");
}
}
}
gfxPlatformMac::~gfxPlatformMac()
{
gfxCoreTextShaper::Shutdown();
}
gfxPlatformFontList*
gfxPlatformMac::CreatePlatformFontList()
{
gfxPlatformFontList* list = new gfxMacPlatformFontList();
if (NS_SUCCEEDED(list->InitFontList())) {
return list;
}
gfxPlatformFontList::Shutdown();
return nullptr;
}
already_AddRefed<gfxASurface>
gfxPlatformMac::CreateOffscreenSurface(const IntSize& size,
gfxContentType contentType)
{
nsRefPtr<gfxASurface> newSurface =
new gfxQuartzSurface(ThebesIntSize(size),
OptimalFormatForContent(contentType));
return newSurface.forget();
}
TemporaryRef<ScaledFont>
gfxPlatformMac::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
{
gfxMacFont *font = static_cast<gfxMacFont*>(aFont);
return font->GetScaledFont(aTarget);
}
nsresult
gfxPlatformMac::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
{
gfxPlatformFontList::PlatformFontList()->GetStandardFamilyName(aFontName, aFamilyName);
return NS_OK;
}
gfxFontGroup *
gfxPlatformMac::CreateFontGroup(const FontFamilyList& aFontFamilyList,
const gfxFontStyle *aStyle,
gfxUserFontSet *aUserFontSet)
{
return new gfxFontGroup(aFontFamilyList, aStyle, aUserFontSet);
}
// these will move to gfxPlatform once all platforms support the fontlist
gfxFontEntry*
gfxPlatformMac::LookupLocalFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
bool aItalic)
{
return gfxPlatformFontList::PlatformFontList()->LookupLocalFont(aFontName,
aWeight,
aStretch,
aItalic);
}
gfxFontEntry*
gfxPlatformMac::MakePlatformFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
bool aItalic,
const uint8_t* aFontData,
uint32_t aLength)
{
// Ownership of aFontData is received here, and passed on to
// gfxPlatformFontList::MakePlatformFont(), which must ensure the data
// is released with NS_Free when no longer needed
return gfxPlatformFontList::PlatformFontList()->MakePlatformFont(aFontName,
aWeight,
aStretch,
aItalic,
aFontData,
aLength);
}
bool
gfxPlatformMac::IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags)
{
// check for strange format flags
NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
"strange font format hint set");
// accept supported formats
if (aFormatFlags & (gfxUserFontSet::FLAG_FORMATS_COMMON |
gfxUserFontSet::FLAG_FORMAT_TRUETYPE_AAT)) {
return true;
}
// reject all other formats, known and unknown
if (aFormatFlags != 0) {
return false;
}
// no format hint set, need to look at data
return true;
}
// these will also move to gfxPlatform once all platforms support the fontlist
nsresult
gfxPlatformMac::GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts)
{
gfxPlatformFontList::PlatformFontList()->GetFontList(aLangGroup, aGenericFamily, aListOfFonts);
return NS_OK;
}
nsresult
gfxPlatformMac::UpdateFontList()
{
gfxPlatformFontList::PlatformFontList()->UpdateFontList();
return NS_OK;
}
static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
static const char kFontAppleBraille[] = "Apple Braille";
static const char kFontAppleColorEmoji[] = "Apple Color Emoji";
static const char kFontAppleSymbols[] = "Apple Symbols";
static const char kFontDevanagariSangamMN[] = "Devanagari Sangam MN";
static const char kFontEuphemiaUCAS[] = "Euphemia UCAS";
static const char kFontGeneva[] = "Geneva";
static const char kFontGeezaPro[] = "Geeza Pro";
static const char kFontGujaratiSangamMN[] = "Gujarati Sangam MN";
static const char kFontGurmukhiMN[] = "Gurmukhi MN";
static const char kFontHiraginoKakuGothic[] = "Hiragino Kaku Gothic ProN";
static const char kFontHiraginoSansGB[] = "Hiragino Sans GB";
static const char kFontKefa[] = "Kefa";
static const char kFontKhmerMN[] = "Khmer MN";
static const char kFontLaoMN[] = "Lao MN";
static const char kFontLucidaGrande[] = "Lucida Grande";
static const char kFontMenlo[] = "Menlo";
static const char kFontMicrosoftTaiLe[] = "Microsoft Tai Le";
static const char kFontMingLiUExtB[] = "MingLiU-ExtB";
static const char kFontMyanmarMN[] = "Myanmar MN";
static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
static const char kFontSimSunExtB[] = "SimSun-ExtB";
static const char kFontSongtiSC[] = "Songti SC";
static const char kFontSTHeiti[] = "STHeiti";
static const char kFontSTIXGeneral[] = "STIXGeneral";
static const char kFontTamilMN[] = "Tamil MN";
void
gfxPlatformMac::GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
int32_t aRunScript,
nsTArray<const char*>& aFontList)
{
if (aNextCh == 0xfe0f) {
aFontList.AppendElement(kFontAppleColorEmoji);
}
aFontList.AppendElement(kFontLucidaGrande);
if (!IS_IN_BMP(aCh)) {
uint32_t p = aCh >> 16;
uint32_t b = aCh >> 8;
if (p == 1) {
if (b >= 0x1f0 && b < 0x1f7) {
aFontList.AppendElement(kFontAppleColorEmoji);
} else {
aFontList.AppendElement(kFontAppleSymbols);
aFontList.AppendElement(kFontSTIXGeneral);
aFontList.AppendElement(kFontGeneva);
}
} else if (p == 2) {
// OSX installations with MS Office may have these fonts
aFontList.AppendElement(kFontMingLiUExtB);
aFontList.AppendElement(kFontSimSunExtB);
}
} else {
uint32_t b = (aCh >> 8) & 0xff;
switch (b) {
case 0x03:
case 0x05:
aFontList.AppendElement(kFontGeneva);
break;
case 0x07:
aFontList.AppendElement(kFontGeezaPro);
break;
case 0x09:
aFontList.AppendElement(kFontDevanagariSangamMN);
break;
case 0x0a:
aFontList.AppendElement(kFontGurmukhiMN);
aFontList.AppendElement(kFontGujaratiSangamMN);
break;
case 0x0b:
aFontList.AppendElement(kFontTamilMN);
break;
case 0x0e:
aFontList.AppendElement(kFontLaoMN);
break;
case 0x0f:
aFontList.AppendElement(kFontSongtiSC);
break;
case 0x10:
aFontList.AppendElement(kFontMenlo);
aFontList.AppendElement(kFontMyanmarMN);
break;
case 0x13: // Cherokee
aFontList.AppendElement(kFontPlantagenetCherokee);
aFontList.AppendElement(kFontKefa);
break;
case 0x14: // Unified Canadian Aboriginal Syllabics
case 0x15:
case 0x16:
aFontList.AppendElement(kFontEuphemiaUCAS);
aFontList.AppendElement(kFontGeneva);
break;
case 0x18: // Mongolian, UCAS
aFontList.AppendElement(kFontSTHeiti);
aFontList.AppendElement(kFontEuphemiaUCAS);
break;
case 0x19: // Khmer
aFontList.AppendElement(kFontKhmerMN);
aFontList.AppendElement(kFontMicrosoftTaiLe);
break;
case 0x1d:
case 0x1e:
aFontList.AppendElement(kFontGeneva);
break;
case 0x20: // Symbol ranges
case 0x21:
case 0x22:
case 0x23:
case 0x24:
case 0x25:
case 0x26:
case 0x27:
case 0x29:
case 0x2a:
case 0x2b:
case 0x2e:
aFontList.AppendElement(kFontHiraginoKakuGothic);
aFontList.AppendElement(kFontAppleSymbols);
aFontList.AppendElement(kFontMenlo);
aFontList.AppendElement(kFontSTIXGeneral);
aFontList.AppendElement(kFontGeneva);
aFontList.AppendElement(kFontAppleColorEmoji);
break;
case 0x2c:
aFontList.AppendElement(kFontGeneva);
break;
case 0x2d:
aFontList.AppendElement(kFontKefa);
aFontList.AppendElement(kFontGeneva);
break;
case 0x28: // Braille
aFontList.AppendElement(kFontAppleBraille);
break;
case 0x31:
aFontList.AppendElement(kFontHiraginoSansGB);
break;
case 0x4d:
aFontList.AppendElement(kFontAppleSymbols);
break;
case 0xa0: // Yi
case 0xa1:
case 0xa2:
case 0xa3:
case 0xa4:
aFontList.AppendElement(kFontSTHeiti);
break;
case 0xa6:
case 0xa7:
aFontList.AppendElement(kFontGeneva);
aFontList.AppendElement(kFontAppleSymbols);
break;
case 0xab:
aFontList.AppendElement(kFontKefa);
break;
case 0xfc:
case 0xff:
aFontList.AppendElement(kFontAppleSymbols);
break;
default:
break;
}
}
// Arial Unicode MS has lots of glyphs for obscure, use it as a last resort
aFontList.AppendElement(kFontArialUnicodeMS);
}
uint32_t
gfxPlatformMac::ReadAntiAliasingThreshold()
{
uint32_t threshold = 0; // default == no threshold
// first read prefs flag to determine whether to use the setting or not
bool useAntiAliasingThreshold = Preferences::GetBool("gfx.use_text_smoothing_setting", false);
// if the pref setting is disabled, return 0 which effectively disables this feature
if (!useAntiAliasingThreshold)
return threshold;
// value set via Appearance pref panel, "Turn off text smoothing for font sizes xxx and smaller"
CFNumberRef prefValue = (CFNumberRef)CFPreferencesCopyAppValue(CFSTR("AppleAntiAliasingThreshold"), kCFPreferencesCurrentApplication);
if (prefValue) {
if (!CFNumberGetValue(prefValue, kCFNumberIntType, &threshold)) {
threshold = 0;
}
CFRelease(prefValue);
}
return threshold;
}
bool
gfxPlatformMac::UseAcceleratedCanvas()
{
// Lion or later is required
return nsCocoaFeatures::OnLionOrLater() && Preferences::GetBool("gfx.canvas.azure.accelerated", false);
}
bool
gfxPlatformMac::UseProgressivePaint()
{
// Progressive painting requires cross-process mutexes, which don't work so
// well on OS X 10.6 so we disable there.
return nsCocoaFeatures::OnLionOrLater() && gfxPlatform::UseProgressivePaint();
}
// This is the renderer output callback function, called on the vsync thread
static CVReturn VsyncCallback(CVDisplayLinkRef aDisplayLink,
const CVTimeStamp* aNow,
const CVTimeStamp* aOutputTime,
CVOptionFlags aFlagsIn,
CVOptionFlags* aFlagsOut,
void* aDisplayLinkContext);
class OSXVsyncSource MOZ_FINAL : public VsyncSource
{
public:
OSXVsyncSource()
{
}
virtual Display& GetGlobalDisplay() MOZ_OVERRIDE
{
return mGlobalDisplay;
}
class OSXDisplay MOZ_FINAL : public VsyncSource::Display
{
public:
OSXDisplay()
: mDisplayLink(nullptr)
{
MOZ_ASSERT(NS_IsMainThread());
mTimer = do_CreateInstance(NS_TIMER_CONTRACTID);
}
~OSXDisplay()
{
MOZ_ASSERT(NS_IsMainThread());
mTimer->Cancel();
mTimer = nullptr;
DisableVsync();
}
static void RetryEnableVsync(nsITimer* aTimer, void* aOsxDisplay)
{
MOZ_ASSERT(NS_IsMainThread());
OSXDisplay* osxDisplay = static_cast<OSXDisplay*>(aOsxDisplay);
MOZ_ASSERT(osxDisplay);
osxDisplay->EnableVsync();
}
virtual void EnableVsync() MOZ_OVERRIDE
{
MOZ_ASSERT(NS_IsMainThread());
if (IsVsyncEnabled()) {
return;
}
// Create a display link capable of being used with all active displays
// TODO: See if we need to create an active DisplayLink for each monitor in multi-monitor
// situations. According to the docs, it is compatible with all displays running on the computer
// But if we have different monitors at different display rates, we may hit issues.
if (CVDisplayLinkCreateWithActiveCGDisplays(&mDisplayLink) != kCVReturnSuccess) {
NS_WARNING("Could not create a display link with all active displays. Retrying\n");
CVDisplayLinkRelease(mDisplayLink);
mDisplayLink = nullptr;
// bug 1142708 - When coming back from sleep,
// or when changing displays, active displays may not be ready yet,
// even if listening for the kIOMessageSystemHasPoweredOn event
// from OS X sleep notifications.
// Active displays are those that are drawable.
// bug 1144638 - When changing display configurations and getting
// notifications from CGDisplayReconfigurationCallBack, the
// callback gets called twice for each active display
// so it's difficult to know when all displays are active.
// Instead, try again soon. The delay is arbitrary. 100ms chosen
// because on a late 2013 15" retina, it takes about that
// long to come back up from sleep.
uint32_t delay = 100;
mTimer->InitWithFuncCallback(RetryEnableVsync, this, delay, nsITimer::TYPE_ONE_SHOT);
return;
}
if (CVDisplayLinkSetOutputCallback(mDisplayLink, &VsyncCallback, this) != kCVReturnSuccess) {
NS_WARNING("Could not set displaylink output callback");
CVDisplayLinkRelease(mDisplayLink);
mDisplayLink = nullptr;
return;
}
mPreviousTimestamp = TimeStamp::Now();
if (CVDisplayLinkStart(mDisplayLink) != kCVReturnSuccess) {
NS_WARNING("Could not activate the display link");
CVDisplayLinkRelease(mDisplayLink);
mDisplayLink = nullptr;
}
}
virtual void DisableVsync() MOZ_OVERRIDE
{
MOZ_ASSERT(NS_IsMainThread());
if (!IsVsyncEnabled()) {
return;
}
// Release the display link
if (mDisplayLink) {
CVDisplayLinkRelease(mDisplayLink);
mDisplayLink = nullptr;
}
}
virtual bool IsVsyncEnabled() MOZ_OVERRIDE
{
MOZ_ASSERT(NS_IsMainThread());
return mDisplayLink != nullptr;
}
// The vsync timestamps given by the CVDisplayLinkCallback are
// 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;
nsRefPtr<nsITimer> mTimer;
}; // OSXDisplay
private:
virtual ~OSXVsyncSource()
{
}
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;
display->mPreviousTimestamp = nextVsync;
MOZ_ASSERT(TimeStamp::Now() > previousVsync);
display->NotifyVsync(previousVsync);
return kCVReturnSuccess;
}
already_AddRefed<mozilla::gfx::VsyncSource>
gfxPlatformMac::CreateHardwareVsyncSource()
{
nsRefPtr<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.\n");
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);
}
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку