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tenfourfox/gfx/thebes/gfxPlatformMac.cpp

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/* -*- 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 "mozilla/gfx/MacIOSurface.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()
{
if (nsCocoaFeatures::OnSnowLeopardOrLater()) // backout bug 850408
DisableFontActivation();
mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
#if(0)
uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) |
BackendTypeBit(BackendType::SKIA) |
BackendTypeBit(BackendType::COREGRAPHICS);
uint32_t contentMask = BackendTypeBit(BackendType::COREGRAPHICS) |
BackendTypeBit(BackendType::SKIA);
InitBackendPrefs(canvasMask, BackendType::COREGRAPHICS,
contentMask, BackendType::COREGRAPHICS);
#else
uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) |
BackendTypeBit(BackendType::COREGRAPHICS);
uint32_t contentMask = canvasMask;
InitBackendPrefs(canvasMask, BackendType::COREGRAPHICS,
contentMask, BackendType::COREGRAPHICS);
#endif
// 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");
}
}
#if(0)
MacIOSurfaceLib::LoadLibrary();
#endif
}
gfxPlatformMac::~gfxPlatformMac()
{
#if(0)
gfxCoreTextShaper::Shutdown();
#endif
}
ByteCount
gfxPlatformMac::GetCachedDirSizeForFont(nsString name)
{
FontDirWrapper *x = PlatformFontDirCache.Get(name);
if (x) return x->sizer;
return 0;
}
uint8_t*
gfxPlatformMac::GetCachedDirForFont(nsString name)
{
FontDirWrapper *x = PlatformFontDirCache.Get(name);
if (x)
return x->fontDir;
else
return nullptr;
}
void
gfxPlatformMac::SetCachedDirForFont(nsString name, uint8_t* table, ByteCount sizer)
{
if (MOZ_UNLIKELY(sizer < 1 || sizer > 1023)) return;
FontDirWrapper *k = new FontDirWrapper(sizer, table);
PlatformFontDirCache.Put(name, k);
}
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& aSize,
gfxImageFormat aFormat)
{
RefPtr<gfxASurface> newSurface =
new gfxQuartzSurface(aSize, aFormat);
return newSurface.forget();
}
already_AddRefed<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,
gfxTextPerfMetrics* aTextPerf,
gfxUserFontSet *aUserFontSet,
gfxFloat aDevToCssSize)
{
return new gfxFontGroup(aFontFamilyList, aStyle, aTextPerf,
aUserFontSet, aDevToCssSize);
}
// these will move to gfxPlatform once all platforms support the fontlist
gfxFontEntry*
gfxPlatformMac::LookupLocalFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
uint8_t aStyle)
{
return gfxPlatformFontList::PlatformFontList()->LookupLocalFont(aFontName,
aWeight,
aStretch,
aStyle);
}
gfxFontEntry*
gfxPlatformMac::MakePlatformFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
uint8_t aStyle,
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 free when no longer needed
return gfxPlatformFontList::PlatformFontList()->MakePlatformFont(aFontName,
aWeight,
aStretch,
aStyle,
aFontData,
aLength);
}
// Automates a whole buncha boilerplate.
// Since HTTPS is becoming more common, check that first.
#define HTTP_OR_HTTPS_SUBDIR(x, y) \
{ \
if (hostname.Equals(x)) { \
NS_NAMED_LITERAL_CSTRING(https_, "https://" x y); \
if (StringBeginsWith(spec, https_)) { \
failed = true; \
goto halt_font; \
} else { \
NS_NAMED_LITERAL_CSTRING(http_, "http://" x y); \
if (StringBeginsWith(spec, http_)) { \
failed = true; \
goto halt_font; \
} \
} \
} \
}
// TenFourFox issue 477: deal with changing infix version URLs, such as latimes.com
#define HOST_AND_KEY(x, y) \
{ \
if (hostname.Equals(x)) { \
if (spec.Find(y) != kNotFound) { \
failed = true; \
goto halt_font; \
} \
} \
}
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");
// TenFourFox issue 261. Prevent loading certain known bad font URIs.
// Our checks only know about HTTP, though, so don't check others (issue 477).
nsAutoCString spec, loc;
nsresult rv = aFontURI->GetAsciiSpec(spec);
bool failed = false;
if (MOZ_LIKELY(NS_SUCCEEDED(rv))) {
nsAutoCString scheme;
if (MOZ_LIKELY(NS_SUCCEEDED(aFontURI->GetScheme(scheme)))) {
if (scheme.Equals("http") || scheme.Equals("https")) {
#if DEBUG
fprintf(stderr, "Font blacklist checking: %s\n", spec.get());
#endif
// Get the hostname to eliminate creating unnecessary test strings.
nsAutoCString hostname;
if (MOZ_LIKELY(NS_SUCCEEDED(aFontURI->GetHost(hostname)))) {
ToLowerCase(hostname);
// Start with leftmost, using hostname as a screen (TenFourFox issue 492).
HTTP_OR_HTTPS_SUBDIR("fonts.gstatic.com", "/ea/notosansjapanese/v6/NotoSansJP-");
HTTP_OR_HTTPS_SUBDIR("www.icloud.com", "/fonts/SFNSText-");
HTTP_OR_HTTPS_SUBDIR("typeface.nyt.com", "/fonts/nyt-cheltenham-");
HTTP_OR_HTTPS_SUBDIR("typeface.nytimes.com", "/fonts/nyt-cheltenham-");
// Don't cut to SF-Pro-; there are some dingbat fonts that DO work.
HTTP_OR_HTTPS_SUBDIR("www.apple.com", "/wss/fonts/SF-Pro-Text/v1/");
HTTP_OR_HTTPS_SUBDIR("www.apple.com", "/wss/fonts/SF-Pro-Display/v1/");
HTTP_OR_HTTPS_SUBDIR("lib.intuitcdn.net", "/fonts/AvenirNext/1.0/");
// Check hostname and subpatterns (TenFourFox issue 477).
HOST_AND_KEY("www.latimes.com", "/fonts/KisFBDisplay-");
HOST_AND_KEY("www.nerdwallet.com", "Gotham-Book--critical");
HOST_AND_KEY("www.nerdwallet.com", "Gotham-Bold--critical");
} else
failed = true; // Didn't get hostname, should have.
} // Must not be HTTP(S). We could catch others below.
} else
failed = true; // Didn't get scheme, should have.
} else
failed = true; // Didn't get URL, should have.
halt_font:
if (failed ||
// XXX: Reserve listing things here for one-offs that are too expensive to check otherwise,
// or if there is a non-HTTP(S) URL we need to block (!!).
// spec.Equals("URL") ||
spec.Equals("https://cdn-static-1.medium.com/_/fp/fonts/charter-nonlatin.b-nw7PXlIqmGHGmHvkDiTw.woff") ||
0) {
if (MOZ_LIKELY(NS_SUCCEEDED(rv))) // Don't print if we couldn't get the URL.
fprintf(stderr, "Warning: TenFourFox blocking ATSUI-incompatible webfont %s.\n", spec.get());
return false;
}
// accept supported formats
if (aFormatFlags & (gfxUserFontSet::FLAG_FORMATS_COMMON |
//gfxUserFontSet::FLAG_FORMAT_TRUETYPE_AAT)) {
// No AAT in TenFourFox!
0)) {
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;
}
#undef HTTP_OR_HTTPS_SUBDIR
// 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);
}
/*static*/ void
gfxPlatformMac::LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID,
nsAString& aSystemFontName,
gfxFontStyle& aFontStyle,
float aDevPixPerCSSPixel)
{
gfxMacPlatformFontList* pfl = gfxMacPlatformFontList::PlatformFontList();
return pfl->LookupSystemFont(aSystemFontID, aSystemFontName, aFontStyle,
aDevPixPerCSSPixel);
}
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::UseAcceleratedSkiaCanvas()
{
return false;
#if(0)
// Lion or later is required
// Bug 1249659 - Lion has some gfx issues so disabled on lion and earlier
return nsCocoaFeatures::OnMountainLionOrLater() && gfxPlatform::UseAcceleratedSkiaCanvas();
#endif
}
bool
gfxPlatformMac::UseProgressivePaint()
{
return false;
#if(0)
// 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();
#endif
}
bool
gfxPlatformMac::AccelerateLayersByDefault()
{
return false;
#if(0)
// 10.6.2 and lower have a bug involving textures and pixel buffer objects
// that caused bug 629016, so we don't allow OpenGL-accelerated layers on
// those versions of the OS.
// This will still let full-screen video be accelerated on OpenGL, because
// that XUL widget opts in to acceleration, but that's probably OK.
return nsCocoaFeatures::AccelerateByDefault();
#endif
}
// 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 final : public VsyncSource
{
public:
OSXVsyncSource()
{
}
virtual Display& GetGlobalDisplay() override
{
return mGlobalDisplay;
}
class OSXDisplay 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() 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");
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;
}
CVTime vsyncRate = CVDisplayLinkGetNominalOutputVideoRefreshPeriod(mDisplayLink);
if (vsyncRate.flags & kCVTimeIsIndefinite) {
NS_WARNING("Could not get vsync rate, setting to 60.");
mVsyncRate = TimeDuration::FromMilliseconds(1000.0 / 60.0);
} else {
int64_t timeValue = vsyncRate.timeValue;
int64_t timeScale = vsyncRate.timeScale;
const int milliseconds = 1000;
float rateInMs = ((double) timeValue / (double) timeScale) * milliseconds;
mVsyncRate = TimeDuration::FromMilliseconds(rateInMs);
}
}
virtual void DisableVsync() override
{
MOZ_ASSERT(NS_IsMainThread());
if (!IsVsyncEnabled()) {
return;
}
// Release the display link
if (mDisplayLink) {
CVDisplayLinkRelease(mDisplayLink);
mDisplayLink = nullptr;
}
}
virtual bool IsVsyncEnabled() override
{
MOZ_ASSERT(NS_IsMainThread());
return mDisplayLink != nullptr;
}
virtual TimeDuration GetVsyncRate() override
{
return mVsyncRate;
}
// 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;
RefPtr<nsITimer> mTimer;
TimeDuration mVsyncRate;
}; // 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;
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;
#if(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);
#else
// 10.4 lacks ::CGColorSpaceCopyICCProfile, so we need an equivalent.
CMProfileRef cmProfile;
CMProfileLocation *location;
UInt32 locationSize;
CGDirectDisplayID displayID = CGMainDisplayID();
CMError err = CMGetProfileByAVID((CMDisplayIDType)displayID, &cmProfile);
if (err != noErr)
return;
// get the size of location
err = NCMGetProfileLocation(cmProfile, nullptr, &locationSize);
if (err != noErr)
return;
// allocate enough room for location
location = static_cast<CMProfileLocation*>(malloc(locationSize));
if (!location) {
CMCloseProfile(cmProfile);
return;
}
err = NCMGetProfileLocation(cmProfile, location, &locationSize);
if (err != noErr) {
free(location);
CMCloseProfile(cmProfile);
return;
}
char path[512];
bool path_ok = false;
size_t rsize = 0;
switch (location->locType) {
case cmFileBasedProfile: {
// We need to support this, particularly on 10.4 which has Classic.
FSRef fsRef;
if (!FSpMakeFSRef(&location->u.fileLoc.spec, &fsRef)) {
if (!FSRefMakePath(&fsRef, reinterpret_cast<UInt8*>(path), sizeof(path))) {
path_ok = true;
}
}
break;
}
case cmPathBasedProfile: {
path_ok = true;
break;
}
default:
NS_WARNING("Unsupported ColorSync profile location not supported");
break;
}
if (path_ok) {
#ifdef DEBUG
fprintf(stderr, "Loading ColorSync profile: %s\n",
(location->locType == cmPathBasedProfile) ?
location->u.pathLoc.path : path);
#endif
rsize = qcms_size_of_data(
(location->locType == cmPathBasedProfile) ?
location->u.pathLoc.path : path);
#ifdef DEBUG
fprintf(stderr, "Size of profile: %i\n", rsize);
#endif
if (rsize) {
mem = malloc(rsize);
qcms_data_from_path(
(location->locType == cmPathBasedProfile) ?
location->u.pathLoc.path : path, &mem, &size);
#ifdef DEBUG
if (size != rsize)
fprintf(stderr, "Odd: size %i != rsize %i\n",
size, rsize);
#endif
}
}
free(location);
CMCloseProfile(cmProfile);
return;
#endif
}
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