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/gfxWindowsPlatform.cpp

2069 строки
66 KiB
C++
Executable File
Исходник Ответственный История

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 tw=80: */
/* 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 "gfxWindowsPlatform.h"
#include "cairo.h"
#include "mozilla/ArrayUtils.h"
#include "gfxImageSurface.h"
#include "gfxWindowsSurface.h"
#include "nsUnicharUtils.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.h"
#include "mozilla/Sprintf.h"
#include "mozilla/WindowsVersion.h"
#include "nsServiceManagerUtils.h"
#include "nsTArray.h"
#include "mozilla/Telemetry.h"
#include "GeckoProfiler.h"
#include "nsIWindowsRegKey.h"
#include "nsIFile.h"
#include "plbase64.h"
#include "nsIXULRuntime.h"
#include "imgLoader.h"
#include "nsIGfxInfo.h"
#include "gfxCrashReporterUtils.h"
#include "gfxGDIFontList.h"
#include "gfxGDIFont.h"
#include "mozilla/layers/CompositorThread.h"
#include "DeviceManagerD3D9.h"
#include "mozilla/layers/ReadbackManagerD3D11.h"
#include "WinUtils.h"
#include "gfxDWriteFontList.h"
#include "gfxDWriteFonts.h"
#include "gfxDWriteCommon.h"
#include <dwrite.h>
#include "gfxTextRun.h"
#include "gfxUserFontSet.h"
#include "nsWindowsHelpers.h"
#include "gfx2DGlue.h"
#include <string>
#include <d3d10_1.h>
#include "mozilla/gfx/2D.h"
#include "nsMemory.h"
#include <d3d11.h>
#include "nsIMemoryReporter.h"
#include <winternl.h>
#include "d3dkmtQueryStatistics.h"
#include "base/thread.h"
#include "gfxPrefs.h"
#include "gfxConfig.h"
#include "VsyncSource.h"
#include "DriverCrashGuard.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/gfx/DeviceManagerDx.h"
#include "D3D11Checks.h"
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::layers;
using namespace mozilla::widget;
using namespace mozilla::image;
IDWriteRenderingParams* GetDwriteRenderingParams(bool aGDI)
{
gfxWindowsPlatform::TextRenderingMode mode = aGDI ?
gfxWindowsPlatform::TEXT_RENDERING_GDI_CLASSIC :
gfxWindowsPlatform::TEXT_RENDERING_NORMAL;
return gfxWindowsPlatform::GetPlatform()->GetRenderingParams(mode);
}
DCFromDrawTarget::DCFromDrawTarget(DrawTarget& aDrawTarget)
{
mDC = nullptr;
if (aDrawTarget.GetBackendType() == BackendType::CAIRO) {
cairo_t* ctx = static_cast<cairo_t*>
(aDrawTarget.GetNativeSurface(NativeSurfaceType::CAIRO_CONTEXT));
if (ctx) {
cairo_surface_t* surf = cairo_get_group_target(ctx);
if (surf) {
cairo_surface_type_t surfaceType = cairo_surface_get_type(surf);
if (surfaceType == CAIRO_SURFACE_TYPE_WIN32 ||
surfaceType == CAIRO_SURFACE_TYPE_WIN32_PRINTING) {
mDC = cairo_win32_surface_get_dc(surf);
mNeedsRelease = false;
SaveDC(mDC);
cairo_scaled_font_t* scaled = cairo_get_scaled_font(ctx);
cairo_win32_scaled_font_select_font(scaled, mDC);
}
}
}
}
if (!mDC) {
// Get the whole screen DC:
mDC = GetDC(nullptr);
SetGraphicsMode(mDC, GM_ADVANCED);
mNeedsRelease = true;
}
}
class GfxD2DVramReporter final : public nsIMemoryReporter
{
~GfxD2DVramReporter() {}
public:
NS_DECL_ISUPPORTS
NS_IMETHOD CollectReports(nsIHandleReportCallback* aHandleReport,
nsISupports* aData, bool aAnonymize) override
{
MOZ_COLLECT_REPORT(
"gfx-d2d-vram-draw-target", KIND_OTHER, UNITS_BYTES,
Factory::GetD2DVRAMUsageDrawTarget(),
"Video memory used by D2D DrawTargets.");
MOZ_COLLECT_REPORT(
"gfx-d2d-vram-source-surface", KIND_OTHER, UNITS_BYTES,
Factory::GetD2DVRAMUsageSourceSurface(),
"Video memory used by D2D SourceSurfaces.");
return NS_OK;
}
};
NS_IMPL_ISUPPORTS(GfxD2DVramReporter, nsIMemoryReporter)
#define GFX_USE_CLEARTYPE_ALWAYS "gfx.font_rendering.cleartype.always_use_for_content"
#define GFX_DOWNLOADABLE_FONTS_USE_CLEARTYPE "gfx.font_rendering.cleartype.use_for_downloadable_fonts"
#define GFX_CLEARTYPE_PARAMS "gfx.font_rendering.cleartype_params."
#define GFX_CLEARTYPE_PARAMS_GAMMA "gfx.font_rendering.cleartype_params.gamma"
#define GFX_CLEARTYPE_PARAMS_CONTRAST "gfx.font_rendering.cleartype_params.enhanced_contrast"
#define GFX_CLEARTYPE_PARAMS_LEVEL "gfx.font_rendering.cleartype_params.cleartype_level"
#define GFX_CLEARTYPE_PARAMS_STRUCTURE "gfx.font_rendering.cleartype_params.pixel_structure"
#define GFX_CLEARTYPE_PARAMS_MODE "gfx.font_rendering.cleartype_params.rendering_mode"
class GPUAdapterReporter final : public nsIMemoryReporter
{
// Callers must Release the DXGIAdapter after use or risk mem-leak
static bool GetDXGIAdapter(IDXGIAdapter **aDXGIAdapter)
{
ID3D11Device *d3d11Device;
IDXGIDevice *dxgiDevice;
bool result = false;
if ((d3d11Device = mozilla::gfx::Factory::GetDirect3D11Device())) {
if (d3d11Device->QueryInterface(__uuidof(IDXGIDevice), (void **)&dxgiDevice) == S_OK) {
result = (dxgiDevice->GetAdapter(aDXGIAdapter) == S_OK);
dxgiDevice->Release();
}
}
return result;
}
~GPUAdapterReporter() {}
public:
NS_DECL_ISUPPORTS
NS_IMETHOD
CollectReports(nsIHandleReportCallback* aHandleReport, nsISupports* aData,
bool aAnonymize) override
{
HANDLE ProcessHandle = GetCurrentProcess();
int64_t dedicatedBytesUsed = 0;
int64_t sharedBytesUsed = 0;
int64_t committedBytesUsed = 0;
IDXGIAdapter *DXGIAdapter;
HMODULE gdi32Handle;
PFND3DKMTQS queryD3DKMTStatistics = nullptr;
if ((gdi32Handle = LoadLibrary(TEXT("gdi32.dll"))))
queryD3DKMTStatistics = (PFND3DKMTQS)GetProcAddress(gdi32Handle, "D3DKMTQueryStatistics");
if (queryD3DKMTStatistics && GetDXGIAdapter(&DXGIAdapter)) {
// Most of this block is understood thanks to wj32's work on Process Hacker
DXGI_ADAPTER_DESC adapterDesc;
D3DKMTQS queryStatistics;
DXGIAdapter->GetDesc(&adapterDesc);
DXGIAdapter->Release();
memset(&queryStatistics, 0, sizeof(D3DKMTQS));
queryStatistics.Type = D3DKMTQS_PROCESS;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
queryStatistics.hProcess = ProcessHandle;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
committedBytesUsed = queryStatistics.QueryResult.ProcessInfo.SystemMemory.BytesAllocated;
}
memset(&queryStatistics, 0, sizeof(D3DKMTQS));
queryStatistics.Type = D3DKMTQS_ADAPTER;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
ULONG i;
ULONG segmentCount = queryStatistics.QueryResult.AdapterInfo.NbSegments;
for (i = 0; i < segmentCount; i++) {
memset(&queryStatistics, 0, sizeof(D3DKMTQS));
queryStatistics.Type = D3DKMTQS_SEGMENT;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
queryStatistics.QuerySegment.SegmentId = i;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
bool aperture;
// SegmentInformation has a different definition in Win7 than later versions
if (!IsWin8OrLater())
aperture = queryStatistics.QueryResult.SegmentInfoWin7.Aperture;
else
aperture = queryStatistics.QueryResult.SegmentInfoWin8.Aperture;
memset(&queryStatistics, 0, sizeof(D3DKMTQS));
queryStatistics.Type = D3DKMTQS_PROCESS_SEGMENT;
queryStatistics.AdapterLuid = adapterDesc.AdapterLuid;
queryStatistics.hProcess = ProcessHandle;
queryStatistics.QueryProcessSegment.SegmentId = i;
if (NT_SUCCESS(queryD3DKMTStatistics(&queryStatistics))) {
ULONGLONG bytesCommitted;
if (!IsWin8OrLater())
bytesCommitted = queryStatistics.QueryResult.ProcessSegmentInfo.Win7.BytesCommitted;
else
bytesCommitted = queryStatistics.QueryResult.ProcessSegmentInfo.Win8.BytesCommitted;
if (aperture)
sharedBytesUsed += bytesCommitted;
else
dedicatedBytesUsed += bytesCommitted;
}
}
}
}
}
FreeLibrary(gdi32Handle);
MOZ_COLLECT_REPORT(
"gpu-committed", KIND_OTHER, UNITS_BYTES, committedBytesUsed,
"Memory committed by the Windows graphics system.");
MOZ_COLLECT_REPORT(
"gpu-dedicated", KIND_OTHER, UNITS_BYTES,
dedicatedBytesUsed,
"Out-of-process memory allocated for this process in a physical "
"GPU adapter's memory.");
MOZ_COLLECT_REPORT(
"gpu-shared", KIND_OTHER, UNITS_BYTES,
sharedBytesUsed,
"In-process memory that is shared with the GPU.");
return NS_OK;
}
};
NS_IMPL_ISUPPORTS(GPUAdapterReporter, nsIMemoryReporter)
Atomic<size_t> gfxWindowsPlatform::sD3D11SharedTextures;
Atomic<size_t> gfxWindowsPlatform::sD3D9SharedTextures;
class D3DSharedTexturesReporter final : public nsIMemoryReporter
{
~D3DSharedTexturesReporter() {}
public:
NS_DECL_ISUPPORTS
NS_IMETHOD CollectReports(nsIHandleReportCallback *aHandleReport,
nsISupports* aData, bool aAnonymize) override
{
if (gfxWindowsPlatform::sD3D11SharedTextures > 0) {
MOZ_COLLECT_REPORT(
"d3d11-shared-textures", KIND_OTHER, UNITS_BYTES,
gfxWindowsPlatform::sD3D11SharedTextures,
"D3D11 shared textures.");
}
if (gfxWindowsPlatform::sD3D9SharedTextures > 0) {
MOZ_COLLECT_REPORT(
"d3d9-shared-textures", KIND_OTHER, UNITS_BYTES,
gfxWindowsPlatform::sD3D9SharedTextures,
"D3D9 shared textures.");
}
return NS_OK;
}
};
NS_IMPL_ISUPPORTS(D3DSharedTexturesReporter, nsIMemoryReporter)
gfxWindowsPlatform::gfxWindowsPlatform()
: mRenderMode(RENDER_GDI)
{
mUseClearTypeForDownloadableFonts = UNINITIALIZED_VALUE;
mUseClearTypeAlways = UNINITIALIZED_VALUE;
/*
* Initialize COM
*/
CoInitialize(nullptr);
RegisterStrongMemoryReporter(new GfxD2DVramReporter());
RegisterStrongMemoryReporter(new GPUAdapterReporter());
RegisterStrongMemoryReporter(new D3DSharedTexturesReporter());
}
gfxWindowsPlatform::~gfxWindowsPlatform()
{
mozilla::gfx::Factory::D2DCleanup();
DeviceManagerD3D9::Shutdown();
DeviceManagerDx::Shutdown();
/*
* Uninitialize COM
*/
CoUninitialize();
}
static void
UpdateANGLEConfig()
{
if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
gfxConfig::Disable(Feature::D3D11_HW_ANGLE, FeatureStatus::Disabled, "D3D11 compositing is disabled");
}
}
void
gfxWindowsPlatform::InitAcceleration()
{
gfxPlatform::InitAcceleration();
// Set up the D3D11 feature levels we can ask for.
if (IsWin8OrLater()) {
mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_1);
}
mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_11_0);
mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_1);
mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_10_0);
mFeatureLevels.AppendElement(D3D_FEATURE_LEVEL_9_3);
DeviceManagerDx::Init();
DeviceManagerD3D9::Init();
InitializeConfig();
InitializeDevices();
UpdateANGLEConfig();
UpdateRenderMode();
// If we have Skia and we didn't init dwrite already, do it now.
if (!mDWriteFactory && GetDefaultContentBackend() == BackendType::SKIA) {
InitDWriteSupport();
}
// CanUseHardwareVideoDecoding depends on DeviceManagerDx state,
// so update the cached value now.
UpdateCanUseHardwareVideoDecoding();
}
bool
gfxWindowsPlatform::CanUseHardwareVideoDecoding()
{
DeviceManagerDx* dm = DeviceManagerDx::Get();
if (!dm) {
return false;
}
if (!gfxPrefs::LayersPreferD3D9() && !dm->TextureSharingWorks()) {
return false;
}
return !dm->IsWARP() && gfxPlatform::CanUseHardwareVideoDecoding();
}
bool
gfxWindowsPlatform::InitDWriteSupport()
{
// DWrite is only supported on Windows 7 with the platform update and higher.
// We check this by seeing if D2D1 support is available.
if (!Factory::SupportsD2D1()) {
return false;
}
mozilla::ScopedGfxFeatureReporter reporter("DWrite");
decltype(DWriteCreateFactory)* createDWriteFactory = (decltype(DWriteCreateFactory)*)
GetProcAddress(LoadLibraryW(L"dwrite.dll"), "DWriteCreateFactory");
if (!createDWriteFactory) {
return false;
}
// I need a direct pointer to be able to cast to IUnknown**, I also need to
// remember to release this because the nsRefPtr will AddRef it.
RefPtr<IDWriteFactory> factory;
HRESULT hr = createDWriteFactory(
DWRITE_FACTORY_TYPE_SHARED,
__uuidof(IDWriteFactory),
(IUnknown **)((IDWriteFactory **)getter_AddRefs(factory)));
if (FAILED(hr) || !factory) {
return false;
}
mDWriteFactory = factory;
Factory::SetDWriteFactory(mDWriteFactory);
SetupClearTypeParams();
reporter.SetSuccessful();
return true;
}
bool
gfxWindowsPlatform::HandleDeviceReset()
{
DeviceResetReason resetReason = DeviceResetReason::OK;
if (!DidRenderingDeviceReset(&resetReason)) {
return false;
}
if (resetReason != DeviceResetReason::FORCED_RESET) {
Telemetry::Accumulate(Telemetry::DEVICE_RESET_REASON, uint32_t(resetReason));
}
// Remove devices and adapters.
DeviceManagerDx::Get()->ResetDevices();
imgLoader::NormalLoader()->ClearCache(true);
imgLoader::NormalLoader()->ClearCache(false);
imgLoader::PrivateBrowsingLoader()->ClearCache(true);
imgLoader::PrivateBrowsingLoader()->ClearCache(false);
gfxAlphaBoxBlur::ShutdownBlurCache();
if (XRE_IsContentProcess()) {
// Fetch updated device parameters.
FetchAndImportContentDeviceData();
UpdateANGLEConfig();
}
InitializeDevices();
UpdateANGLEConfig();
BumpDeviceCounter();
return true;
}
void
gfxWindowsPlatform::UpdateBackendPrefs()
{
uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) |
BackendTypeBit(BackendType::SKIA);
uint32_t contentMask = BackendTypeBit(BackendType::CAIRO) |
BackendTypeBit(BackendType::SKIA);
BackendType defaultBackend = BackendType::CAIRO;
if (gfxConfig::IsEnabled(Feature::DIRECT2D) && Factory::GetD2D1Device()) {
contentMask |= BackendTypeBit(BackendType::DIRECT2D1_1);
canvasMask |= BackendTypeBit(BackendType::DIRECT2D1_1);
defaultBackend = BackendType::DIRECT2D1_1;
}
InitBackendPrefs(canvasMask, defaultBackend, contentMask, defaultBackend);
}
bool
gfxWindowsPlatform::IsDirect2DBackend()
{
return GetDefaultContentBackend() == BackendType::DIRECT2D1_1;
}
void
gfxWindowsPlatform::UpdateRenderMode()
{
bool didReset = HandleDeviceReset();
UpdateBackendPrefs();
if (didReset) {
mScreenReferenceDrawTarget =
CreateOffscreenContentDrawTarget(IntSize(1, 1), SurfaceFormat::B8G8R8A8);
if (!mScreenReferenceDrawTarget) {
gfxCriticalNote << "Failed to update reference draw target after device reset"
<< ", D3D11 device:" << hexa(Factory::GetDirect3D11Device())
<< ", D3D11 status:" << FeatureStatusToString(gfxConfig::GetValue(Feature::D3D11_COMPOSITING))
<< ", D2D1 device:" << hexa(Factory::GetD2D1Device())
<< ", D2D1 status:" << FeatureStatusToString(gfxConfig::GetValue(Feature::DIRECT2D))
<< ", content:" << int(GetDefaultContentBackend())
<< ", compositor:" << int(GetCompositorBackend());
MOZ_CRASH("GFX: Failed to update reference draw target after device reset");
}
}
}
mozilla::gfx::BackendType
gfxWindowsPlatform::GetContentBackendFor(mozilla::layers::LayersBackend aLayers)
{
mozilla::gfx::BackendType defaultBackend = gfxPlatform::GetDefaultContentBackend();
if (aLayers == LayersBackend::LAYERS_D3D11) {
return defaultBackend;
}
if (defaultBackend == BackendType::DIRECT2D1_1) {
// We can't have D2D without D3D11 layers, so fallback to Cairo.
return BackendType::CAIRO;
}
// Otherwise we have some non-accelerated backend and that's ok.
return defaultBackend;
}
gfxPlatformFontList*
gfxWindowsPlatform::CreatePlatformFontList()
{
gfxPlatformFontList *pfl;
// bug 630201 - older pre-RTM versions of Direct2D/DirectWrite cause odd
// crashers so blacklist them altogether
if (IsNotWin7PreRTM() && GetDWriteFactory()) {
pfl = new gfxDWriteFontList();
if (NS_SUCCEEDED(pfl->InitFontList())) {
return pfl;
}
// DWrite font initialization failed! Don't know why this would happen,
// but apparently it can - see bug 594865.
// So we're going to fall back to GDI fonts & rendering.
gfxPlatformFontList::Shutdown();
DisableD2D(FeatureStatus::Failed, "Failed to initialize fonts",
NS_LITERAL_CSTRING("FEATURE_FAILURE_FONT_FAIL"));
}
pfl = new gfxGDIFontList();
if (NS_SUCCEEDED(pfl->InitFontList())) {
return pfl;
}
gfxPlatformFontList::Shutdown();
return nullptr;
}
// This function will permanently disable D2D for the session. It's intended to
// be used when, after initially chosing to use Direct2D, we encounter a
// scenario we can't support.
//
// This is called during gfxPlatform::Init() so at this point there should be no
// DrawTargetD2D/1 instances.
void
gfxWindowsPlatform::DisableD2D(FeatureStatus aStatus, const char* aMessage,
const nsACString& aFailureId)
{
gfxConfig::SetFailed(Feature::DIRECT2D, aStatus, aMessage, aFailureId);
Factory::SetDirect3D11Device(nullptr);
UpdateBackendPrefs();
}
already_AddRefed<gfxASurface>
gfxWindowsPlatform::CreateOffscreenSurface(const IntSize& aSize,
gfxImageFormat aFormat)
{
if (!Factory::AllowedSurfaceSize(aSize)) {
return nullptr;
}
RefPtr<gfxASurface> surf = nullptr;
#ifdef CAIRO_HAS_WIN32_SURFACE
if (mRenderMode == RENDER_GDI || mRenderMode == RENDER_DIRECT2D)
surf = new gfxWindowsSurface(aSize, aFormat);
#endif
if (!surf || surf->CairoStatus()) {
surf = new gfxImageSurface(aSize, aFormat);
}
return surf.forget();
}
already_AddRefed<ScaledFont>
gfxWindowsPlatform::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
{
if (aFont->GetType() == gfxFont::FONT_TYPE_DWRITE) {
gfxDWriteFont *font = static_cast<gfxDWriteFont*>(aFont);
NativeFont nativeFont;
nativeFont.mType = NativeFontType::DWRITE_FONT_FACE;
nativeFont.mFont = font->GetFontFace();
if (aTarget->GetBackendType() == BackendType::CAIRO) {
return Factory::CreateScaledFontWithCairo(nativeFont,
font->GetAdjustedSize(),
font->GetCairoScaledFont());
}
return Factory::CreateScaledFontForNativeFont(nativeFont,
font->GetAdjustedSize());
}
NS_ASSERTION(aFont->GetType() == gfxFont::FONT_TYPE_GDI,
"Fonts on windows should be GDI or DWrite!");
NativeFont nativeFont;
nativeFont.mType = NativeFontType::GDI_FONT_FACE;
LOGFONT lf;
GetObject(static_cast<gfxGDIFont*>(aFont)->GetHFONT(), sizeof(LOGFONT), &lf);
nativeFont.mFont = &lf;
if (aTarget->GetBackendType() == BackendType::CAIRO) {
return Factory::CreateScaledFontWithCairo(nativeFont,
aFont->GetAdjustedSize(),
aFont->GetCairoScaledFont());
}
return Factory::CreateScaledFontForNativeFont(nativeFont, aFont->GetAdjustedSize());
}
static const char kFontAparajita[] = "Aparajita";
static const char kFontArabicTypesetting[] = "Arabic Typesetting";
static const char kFontArial[] = "Arial";
static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
static const char kFontCambria[] = "Cambria";
static const char kFontCambriaMath[] = "Cambria Math";
static const char kFontEbrima[] = "Ebrima";
static const char kFontEstrangeloEdessa[] = "Estrangelo Edessa";
static const char kFontEuphemia[] = "Euphemia";
static const char kFontEmojiOneMozilla[] = "EmojiOne Mozilla";
static const char kFontGabriola[] = "Gabriola";
static const char kFontJavaneseText[] = "Javanese Text";
static const char kFontKhmerUI[] = "Khmer UI";
static const char kFontLaoUI[] = "Lao UI";
static const char kFontLeelawadeeUI[] = "Leelawadee UI";
static const char kFontLucidaSansUnicode[] = "Lucida Sans Unicode";
static const char kFontMVBoli[] = "MV Boli";
static const char kFontMalgunGothic[] = "Malgun Gothic";
static const char kFontMicrosoftJhengHei[] = "Microsoft JhengHei";
static const char kFontMicrosoftNewTaiLue[] = "Microsoft New Tai Lue";
static const char kFontMicrosoftPhagsPa[] = "Microsoft PhagsPa";
static const char kFontMicrosoftTaiLe[] = "Microsoft Tai Le";
static const char kFontMicrosoftUighur[] = "Microsoft Uighur";
static const char kFontMicrosoftYaHei[] = "Microsoft YaHei";
static const char kFontMicrosoftYiBaiti[] = "Microsoft Yi Baiti";
static const char kFontMeiryo[] = "Meiryo";
static const char kFontMongolianBaiti[] = "Mongolian Baiti";
static const char kFontMyanmarText[] = "Myanmar Text";
static const char kFontNirmalaUI[] = "Nirmala UI";
static const char kFontNyala[] = "Nyala";
static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
static const char kFontSegoeUI[] = "Segoe UI";
static const char kFontSegoeUIEmoji[] = "Segoe UI Emoji";
static const char kFontSegoeUISymbol[] = "Segoe UI Symbol";
static const char kFontSylfaen[] = "Sylfaen";
static const char kFontTraditionalArabic[] = "Traditional Arabic";
static const char kFontUtsaah[] = "Utsaah";
static const char kFontYuGothic[] = "Yu Gothic";
void
gfxWindowsPlatform::GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
Script aRunScript,
nsTArray<const char*>& aFontList)
{
if (aNextCh == 0xfe0fu) {
aFontList.AppendElement(kFontSegoeUIEmoji);
aFontList.AppendElement(kFontEmojiOneMozilla);
}
// Arial is used as the default fallback for system fallback
aFontList.AppendElement(kFontArial);
if (!IS_IN_BMP(aCh)) {
uint32_t p = aCh >> 16;
if (p == 1) { // SMP plane
if (aNextCh == 0xfe0eu) {
aFontList.AppendElement(kFontSegoeUISymbol);
aFontList.AppendElement(kFontSegoeUIEmoji);
aFontList.AppendElement(kFontEmojiOneMozilla);
} else {
if (aNextCh != 0xfe0fu) {
aFontList.AppendElement(kFontSegoeUIEmoji);
aFontList.AppendElement(kFontEmojiOneMozilla);
}
aFontList.AppendElement(kFontSegoeUISymbol);
}
aFontList.AppendElement(kFontEbrima);
aFontList.AppendElement(kFontNirmalaUI);
aFontList.AppendElement(kFontCambriaMath);
}
} else {
uint32_t b = (aCh >> 8) & 0xff;
switch (b) {
case 0x05:
aFontList.AppendElement(kFontEstrangeloEdessa);
aFontList.AppendElement(kFontCambria);
break;
case 0x06:
aFontList.AppendElement(kFontMicrosoftUighur);
break;
case 0x07:
aFontList.AppendElement(kFontEstrangeloEdessa);
aFontList.AppendElement(kFontMVBoli);
aFontList.AppendElement(kFontEbrima);
break;
case 0x09:
aFontList.AppendElement(kFontNirmalaUI);
aFontList.AppendElement(kFontUtsaah);
aFontList.AppendElement(kFontAparajita);
break;
case 0x0e:
aFontList.AppendElement(kFontLaoUI);
break;
case 0x10:
aFontList.AppendElement(kFontMyanmarText);
break;
case 0x11:
aFontList.AppendElement(kFontMalgunGothic);
break;
case 0x12:
case 0x13:
aFontList.AppendElement(kFontNyala);
aFontList.AppendElement(kFontPlantagenetCherokee);
break;
case 0x14:
case 0x15:
case 0x16:
aFontList.AppendElement(kFontEuphemia);
aFontList.AppendElement(kFontSegoeUISymbol);
break;
case 0x17:
aFontList.AppendElement(kFontKhmerUI);
break;
case 0x18: // Mongolian
aFontList.AppendElement(kFontMongolianBaiti);
aFontList.AppendElement(kFontEuphemia);
break;
case 0x19:
aFontList.AppendElement(kFontMicrosoftTaiLe);
aFontList.AppendElement(kFontMicrosoftNewTaiLue);
aFontList.AppendElement(kFontKhmerUI);
break;
break;
case 0x1a:
aFontList.AppendElement(kFontLeelawadeeUI);
break;
case 0x1c:
aFontList.AppendElement(kFontNirmalaUI);
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 0x2c:
aFontList.AppendElement(kFontSegoeUI);
aFontList.AppendElement(kFontSegoeUISymbol);
aFontList.AppendElement(kFontCambria);
aFontList.AppendElement(kFontMeiryo);
aFontList.AppendElement(kFontArial);
aFontList.AppendElement(kFontLucidaSansUnicode);
aFontList.AppendElement(kFontEbrima);
break;
case 0x2d:
case 0x2e:
case 0x2f:
aFontList.AppendElement(kFontEbrima);
aFontList.AppendElement(kFontNyala);
aFontList.AppendElement(kFontSegoeUI);
aFontList.AppendElement(kFontSegoeUISymbol);
aFontList.AppendElement(kFontMeiryo);
break;
case 0x28: // Braille
aFontList.AppendElement(kFontSegoeUISymbol);
break;
case 0x30:
case 0x31:
aFontList.AppendElement(kFontMicrosoftYaHei);
break;
case 0x32:
aFontList.AppendElement(kFontMalgunGothic);
break;
case 0x4d:
aFontList.AppendElement(kFontSegoeUISymbol);
break;
case 0x9f:
aFontList.AppendElement(kFontMicrosoftYaHei);
aFontList.AppendElement(kFontYuGothic);
break;
case 0xa0: // Yi
case 0xa1:
case 0xa2:
case 0xa3:
case 0xa4:
aFontList.AppendElement(kFontMicrosoftYiBaiti);
aFontList.AppendElement(kFontSegoeUI);
break;
case 0xa5:
case 0xa6:
case 0xa7:
aFontList.AppendElement(kFontEbrima);
aFontList.AppendElement(kFontSegoeUI);
aFontList.AppendElement(kFontCambriaMath);
break;
case 0xa8:
aFontList.AppendElement(kFontMicrosoftPhagsPa);
aFontList.AppendElement(kFontNirmalaUI);
break;
case 0xa9:
aFontList.AppendElement(kFontMalgunGothic);
aFontList.AppendElement(kFontJavaneseText);
break;
case 0xaa:
aFontList.AppendElement(kFontMyanmarText);
break;
case 0xab:
aFontList.AppendElement(kFontEbrima);
aFontList.AppendElement(kFontNyala);
break;
case 0xd7:
aFontList.AppendElement(kFontMalgunGothic);
break;
case 0xfb:
aFontList.AppendElement(kFontMicrosoftUighur);
aFontList.AppendElement(kFontGabriola);
aFontList.AppendElement(kFontSylfaen);
break;
case 0xfc:
case 0xfd:
aFontList.AppendElement(kFontTraditionalArabic);
aFontList.AppendElement(kFontArabicTypesetting);
break;
case 0xfe:
aFontList.AppendElement(kFontTraditionalArabic);
aFontList.AppendElement(kFontMicrosoftJhengHei);
break;
case 0xff:
aFontList.AppendElement(kFontMicrosoftJhengHei);
break;
default:
break;
}
}
// Arial Unicode MS has lots of glyphs for obscure characters,
// use it as a last resort
aFontList.AppendElement(kFontArialUnicodeMS);
}
gfxFontGroup *
gfxWindowsPlatform::CreateFontGroup(const FontFamilyList& aFontFamilyList,
const gfxFontStyle *aStyle,
gfxTextPerfMetrics* aTextPerf,
gfxUserFontSet *aUserFontSet,
gfxFloat aDevToCssSize)
{
return new gfxFontGroup(aFontFamilyList, aStyle, aTextPerf,
aUserFontSet, aDevToCssSize);
}
bool
gfxWindowsPlatform::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) {
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;
}
bool
gfxWindowsPlatform::DidRenderingDeviceReset(DeviceResetReason* aResetReason)
{
DeviceManagerDx* dm = DeviceManagerDx::Get();
if (!dm) {
return false;
}
return dm->HasDeviceReset(aResetReason);
}
void
gfxWindowsPlatform::CompositorUpdated()
{
DeviceManagerDx::Get()->ForceDeviceReset(ForcedDeviceResetReason::COMPOSITOR_UPDATED);
UpdateRenderMode();
}
BOOL CALLBACK
InvalidateWindowForDeviceReset(HWND aWnd, LPARAM aMsg)
{
RedrawWindow(aWnd, nullptr, nullptr,
RDW_INVALIDATE|RDW_INTERNALPAINT|RDW_FRAME);
return TRUE;
}
void
gfxWindowsPlatform::SchedulePaintIfDeviceReset()
{
PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GRAPHICS);
DeviceResetReason resetReason = DeviceResetReason::OK;
if (!DidRenderingDeviceReset(&resetReason)) {
return;
}
gfxCriticalNote << "(gfxWindowsPlatform) Detected device reset: " << (int)resetReason;
// Trigger an ::OnPaint for each window.
::EnumThreadWindows(GetCurrentThreadId(),
InvalidateWindowForDeviceReset,
0);
gfxCriticalNote << "(gfxWindowsPlatform) Finished device reset.";
}
void
gfxWindowsPlatform::GetPlatformCMSOutputProfile(void* &mem, size_t &mem_size)
{
WCHAR str[MAX_PATH];
DWORD size = MAX_PATH;
BOOL res;
mem = nullptr;
mem_size = 0;
HDC dc = GetDC(nullptr);
if (!dc)
return;
MOZ_SEH_TRY {
res = GetICMProfileW(dc, &size, (LPWSTR)&str);
} MOZ_SEH_EXCEPT(GetExceptionCode() == EXCEPTION_ILLEGAL_INSTRUCTION) {
res = FALSE;
}
ReleaseDC(nullptr, dc);
if (!res)
return;
#ifdef _WIN32
qcms_data_from_unicode_path(str, &mem, &mem_size);
#ifdef DEBUG_tor
if (mem_size > 0)
fprintf(stderr,
"ICM profile read from %s successfully\n",
NS_ConvertUTF16toUTF8(str).get());
#endif // DEBUG_tor
#endif // _WIN32
}
bool
gfxWindowsPlatform::UseClearTypeForDownloadableFonts()
{
if (mUseClearTypeForDownloadableFonts == UNINITIALIZED_VALUE) {
mUseClearTypeForDownloadableFonts = Preferences::GetBool(GFX_DOWNLOADABLE_FONTS_USE_CLEARTYPE, true);
}
return mUseClearTypeForDownloadableFonts;
}
bool
gfxWindowsPlatform::UseClearTypeAlways()
{
if (mUseClearTypeAlways == UNINITIALIZED_VALUE) {
mUseClearTypeAlways = Preferences::GetBool(GFX_USE_CLEARTYPE_ALWAYS, false);
}
return mUseClearTypeAlways;
}
void
gfxWindowsPlatform::GetDLLVersion(char16ptr_t aDLLPath, nsAString& aVersion)
{
DWORD versInfoSize, vers[4] = {0};
// version info not available case
aVersion.AssignLiteral(u"0.0.0.0");
versInfoSize = GetFileVersionInfoSizeW(aDLLPath, nullptr);
AutoTArray<BYTE,512> versionInfo;
if (versInfoSize == 0 ||
!versionInfo.AppendElements(uint32_t(versInfoSize)))
{
return;
}
if (!GetFileVersionInfoW(aDLLPath, 0, versInfoSize,
LPBYTE(versionInfo.Elements())))
{
return;
}
UINT len = 0;
VS_FIXEDFILEINFO *fileInfo = nullptr;
if (!VerQueryValue(LPBYTE(versionInfo.Elements()), TEXT("\\"),
(LPVOID *)&fileInfo, &len) ||
len == 0 ||
fileInfo == nullptr)
{
return;
}
DWORD fileVersMS = fileInfo->dwFileVersionMS;
DWORD fileVersLS = fileInfo->dwFileVersionLS;
vers[0] = HIWORD(fileVersMS);
vers[1] = LOWORD(fileVersMS);
vers[2] = HIWORD(fileVersLS);
vers[3] = LOWORD(fileVersLS);
char buf[256];
SprintfLiteral(buf, "%u.%u.%u.%u", vers[0], vers[1], vers[2], vers[3]);
aVersion.Assign(NS_ConvertUTF8toUTF16(buf));
}
void
gfxWindowsPlatform::GetCleartypeParams(nsTArray<ClearTypeParameterInfo>& aParams)
{
HKEY hKey, subKey;
DWORD i, rv, size, type;
WCHAR displayName[256], subkeyName[256];
aParams.Clear();
// construct subkeys based on HKLM subkeys, assume they are same for HKCU
rv = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
L"Software\\Microsoft\\Avalon.Graphics",
0, KEY_READ, &hKey);
if (rv != ERROR_SUCCESS) {
return;
}
// enumerate over subkeys
for (i = 0, rv = ERROR_SUCCESS; rv != ERROR_NO_MORE_ITEMS; i++) {
size = ArrayLength(displayName);
rv = RegEnumKeyExW(hKey, i, displayName, &size,
nullptr, nullptr, nullptr, nullptr);
if (rv != ERROR_SUCCESS) {
continue;
}
ClearTypeParameterInfo ctinfo;
ctinfo.displayName.Assign(displayName);
DWORD subrv, value;
bool foundData = false;
swprintf_s(subkeyName, ArrayLength(subkeyName),
L"Software\\Microsoft\\Avalon.Graphics\\%s", displayName);
// subkey for gamma, pixel structure
subrv = RegOpenKeyExW(HKEY_LOCAL_MACHINE,
subkeyName, 0, KEY_QUERY_VALUE, &subKey);
if (subrv == ERROR_SUCCESS) {
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"GammaLevel", nullptr, &type,
(LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.gamma = value;
}
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"PixelStructure", nullptr, &type,
(LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.pixelStructure = value;
}
RegCloseKey(subKey);
}
// subkey for cleartype level, enhanced contrast
subrv = RegOpenKeyExW(HKEY_CURRENT_USER,
subkeyName, 0, KEY_QUERY_VALUE, &subKey);
if (subrv == ERROR_SUCCESS) {
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"ClearTypeLevel", nullptr, &type,
(LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.clearTypeLevel = value;
}
size = sizeof(value);
subrv = RegQueryValueExW(subKey, L"EnhancedContrastLevel",
nullptr, &type, (LPBYTE)&value, &size);
if (subrv == ERROR_SUCCESS && type == REG_DWORD) {
foundData = true;
ctinfo.enhancedContrast = value;
}
RegCloseKey(subKey);
}
if (foundData) {
aParams.AppendElement(ctinfo);
}
}
RegCloseKey(hKey);
}
void
gfxWindowsPlatform::FontsPrefsChanged(const char *aPref)
{
bool clearTextFontCaches = true;
gfxPlatform::FontsPrefsChanged(aPref);
if (!aPref) {
mUseClearTypeForDownloadableFonts = UNINITIALIZED_VALUE;
mUseClearTypeAlways = UNINITIALIZED_VALUE;
} else if (!strcmp(GFX_DOWNLOADABLE_FONTS_USE_CLEARTYPE, aPref)) {
mUseClearTypeForDownloadableFonts = UNINITIALIZED_VALUE;
} else if (!strcmp(GFX_USE_CLEARTYPE_ALWAYS, aPref)) {
mUseClearTypeAlways = UNINITIALIZED_VALUE;
} else if (!strncmp(GFX_CLEARTYPE_PARAMS, aPref, strlen(GFX_CLEARTYPE_PARAMS))) {
SetupClearTypeParams();
} else {
clearTextFontCaches = false;
}
if (clearTextFontCaches) {
gfxFontCache *fc = gfxFontCache::GetCache();
if (fc) {
fc->Flush();
}
}
}
#define ENHANCED_CONTRAST_REGISTRY_KEY \
HKEY_CURRENT_USER, "Software\\Microsoft\\Avalon.Graphics\\DISPLAY1\\EnhancedContrastLevel"
void
gfxWindowsPlatform::SetupClearTypeParams()
{
if (GetDWriteFactory()) {
// any missing prefs will default to invalid (-1) and be ignored;
// out-of-range values will also be ignored
FLOAT gamma = -1.0;
FLOAT contrast = -1.0;
FLOAT level = -1.0;
int geometry = -1;
int mode = -1;
int32_t value;
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_GAMMA, &value))) {
if (value >= 1000 && value <= 2200) {
gamma = FLOAT(value / 1000.0);
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_CONTRAST, &value))) {
if (value >= 0 && value <= 1000) {
contrast = FLOAT(value / 100.0);
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_LEVEL, &value))) {
if (value >= 0 && value <= 100) {
level = FLOAT(value / 100.0);
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_STRUCTURE, &value))) {
if (value >= 0 && value <= 2) {
geometry = value;
}
}
if (NS_SUCCEEDED(Preferences::GetInt(GFX_CLEARTYPE_PARAMS_MODE, &value))) {
if (value >= 0 && value <= 5) {
mode = value;
}
}
cairo_dwrite_set_cleartype_params(gamma, contrast, level, geometry, mode);
switch (mode) {
case DWRITE_RENDERING_MODE_ALIASED:
case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC:
mMeasuringMode = DWRITE_MEASURING_MODE_GDI_CLASSIC;
break;
case DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL:
mMeasuringMode = DWRITE_MEASURING_MODE_GDI_NATURAL;
break;
default:
mMeasuringMode = DWRITE_MEASURING_MODE_NATURAL;
break;
}
RefPtr<IDWriteRenderingParams> defaultRenderingParams;
GetDWriteFactory()->CreateRenderingParams(getter_AddRefs(defaultRenderingParams));
// For EnhancedContrast, we override the default if the user has not set it
// in the registry (by using the ClearType Tuner).
if (contrast >= 0.0 && contrast <= 10.0) {
contrast = contrast;
} else {
HKEY hKey;
if (RegOpenKeyExA(ENHANCED_CONTRAST_REGISTRY_KEY,
0, KEY_READ, &hKey) == ERROR_SUCCESS)
{
contrast = defaultRenderingParams->GetEnhancedContrast();
RegCloseKey(hKey);
} else {
contrast = 1.0;
}
}
// For parameters that have not been explicitly set,
// we copy values from default params (or our overridden value for contrast)
if (gamma < 1.0 || gamma > 2.2) {
gamma = defaultRenderingParams->GetGamma();
}
if (level < 0.0 || level > 1.0) {
level = defaultRenderingParams->GetClearTypeLevel();
}
DWRITE_PIXEL_GEOMETRY dwriteGeometry =
static_cast<DWRITE_PIXEL_GEOMETRY>(geometry);
DWRITE_RENDERING_MODE renderMode =
static_cast<DWRITE_RENDERING_MODE>(mode);
if (dwriteGeometry < DWRITE_PIXEL_GEOMETRY_FLAT ||
dwriteGeometry > DWRITE_PIXEL_GEOMETRY_BGR) {
dwriteGeometry = defaultRenderingParams->GetPixelGeometry();
}
if (renderMode < DWRITE_RENDERING_MODE_DEFAULT ||
renderMode > DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC) {
renderMode = defaultRenderingParams->GetRenderingMode();
}
mRenderingParams[TEXT_RENDERING_NO_CLEARTYPE] = defaultRenderingParams;
GetDWriteFactory()->CreateCustomRenderingParams(gamma, contrast, level,
dwriteGeometry, renderMode,
getter_AddRefs(mRenderingParams[TEXT_RENDERING_NORMAL]));
GetDWriteFactory()->CreateCustomRenderingParams(gamma, contrast, level,
dwriteGeometry, DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC,
getter_AddRefs(mRenderingParams[TEXT_RENDERING_GDI_CLASSIC]));
}
}
ReadbackManagerD3D11*
gfxWindowsPlatform::GetReadbackManager()
{
if (!mD3D11ReadbackManager) {
mD3D11ReadbackManager = new ReadbackManagerD3D11();
}
return mD3D11ReadbackManager;
}
bool
gfxWindowsPlatform::IsOptimus()
{
static int knowIsOptimus = -1;
if (knowIsOptimus == -1) {
// other potential optimus -- nvd3d9wrapx.dll & nvdxgiwrap.dll
if (GetModuleHandleA("nvumdshim.dll") ||
GetModuleHandleA("nvumdshimx.dll"))
{
knowIsOptimus = 1;
} else {
knowIsOptimus = 0;
}
}
return knowIsOptimus;
}
static inline bool
IsWARPStable()
{
// It seems like nvdxgiwrap makes a mess of WARP. See bug 1154703.
if (!IsWin8OrLater() || GetModuleHandleA("nvdxgiwrap.dll")) {
return false;
}
return true;
}
static void
InitializeANGLEConfig()
{
FeatureState& d3d11ANGLE = gfxConfig::GetFeature(Feature::D3D11_HW_ANGLE);
if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
d3d11ANGLE.DisableByDefault(FeatureStatus::Unavailable, "D3D11 compositing is disabled",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_DISABLED"));
return;
}
d3d11ANGLE.EnableByDefault();
nsCString message;
nsCString failureId;
if (!gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE, &message,
failureId)) {
d3d11ANGLE.Disable(FeatureStatus::Blacklisted, message.get(), failureId);
}
}
void
gfxWindowsPlatform::InitializeDirectDrawConfig()
{
MOZ_ASSERT(XRE_IsParentProcess());
FeatureState& ddraw = gfxConfig::GetFeature(Feature::DIRECT_DRAW);
ddraw.EnableByDefault();
}
void
gfxWindowsPlatform::InitializeConfig()
{
if (XRE_IsParentProcess()) {
// The parent process first determines which features can be attempted.
// This information is relayed to content processes and the GPU process.
InitializeD3D9Config();
InitializeD3D11Config();
InitializeANGLEConfig();
InitializeD2DConfig();
} else {
FetchAndImportContentDeviceData();
InitializeANGLEConfig();
}
}
void
gfxWindowsPlatform::InitializeD3D9Config()
{
MOZ_ASSERT(XRE_IsParentProcess());
FeatureState& d3d9 = gfxConfig::GetFeature(Feature::D3D9_COMPOSITING);
if (!gfxConfig::IsEnabled(Feature::HW_COMPOSITING)) {
d3d9.DisableByDefault(FeatureStatus::Unavailable, "Hardware compositing is disabled",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D9_NEED_HWCOMP"));
return;
}
d3d9.SetDefaultFromPref(
gfxPrefs::GetLayersAllowD3D9FallbackPrefName(),
true,
gfxPrefs::GetLayersAllowD3D9FallbackPrefDefault());
if (!d3d9.IsEnabled() && gfxPrefs::LayersPreferD3D9()) {
d3d9.UserEnable("Direct3D9 enabled via layers.prefer-d3d9");
}
nsCString message;
nsCString failureId;
if (!gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS, &message,
failureId)) {
d3d9.Disable(FeatureStatus::Blacklisted, message.get(), failureId);
}
if (gfxConfig::IsForcedOnByUser(Feature::HW_COMPOSITING)) {
d3d9.UserForceEnable("Hardware compositing is force-enabled");
}
}
void
gfxWindowsPlatform::InitializeD3D11Config()
{
MOZ_ASSERT(XRE_IsParentProcess());
FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING);
if (!gfxConfig::IsEnabled(Feature::HW_COMPOSITING)) {
d3d11.DisableByDefault(FeatureStatus::Unavailable, "Hardware compositing is disabled",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_NEED_HWCOMP"));
return;
}
d3d11.EnableByDefault();
// If the user prefers D3D9, act as though they disabled D3D11.
if (gfxPrefs::LayersPreferD3D9()) {
d3d11.UserDisable("Disabled due to user preference for Direct3D 9",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D3D11_PREF"));
return;
}
nsCString message;
nsCString failureId;
if (!gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS, &message, failureId)) {
d3d11.Disable(FeatureStatus::Blacklisted, message.get(), failureId);
}
// Check if the user really, really wants WARP.
if (gfxPrefs::LayersD3D11ForceWARP()) {
// Force D3D11 on even if we disabled it.
d3d11.UserForceEnable("User force-enabled WARP");
}
}
/* static */ void
gfxWindowsPlatform::RecordContentDeviceFailure(TelemetryDeviceCode aDevice)
{
// If the parent process fails to acquire a device, we record this
// normally as part of the environment. The exceptional case we're
// looking for here is when the parent process successfully acquires
// a device, but the content process fails to acquire the same device.
// This would not normally be displayed in about:support.
if (!XRE_IsContentProcess()) {
return;
}
Telemetry::Accumulate(Telemetry::GFX_CONTENT_FAILED_TO_ACQUIRE_DEVICE, uint32_t(aDevice));
}
void
gfxWindowsPlatform::InitializeDevices()
{
MOZ_ASSERT(!InSafeMode());
if (XRE_IsParentProcess()) {
// If we're the UI process, and the GPU process is enabled, then we don't
// initialize any DirectX devices. We do leave them enabled in gfxConfig
// though. If the GPU process fails to create these devices it will send
// a message back and we'll update their status.
if (InitGPUProcessSupport()) {
return;
}
// No GPU process, continue initializing devices as normal.
}
// If acceleration is disabled, we refuse to initialize anything.
if (!gfxConfig::IsEnabled(Feature::HW_COMPOSITING)) {
return;
}
// If we previously crashed initializing devices, bail out now.
D3D11LayersCrashGuard detectCrashes;
if (detectCrashes.Crashed()) {
gfxConfig::SetFailed(Feature::HW_COMPOSITING,
FeatureStatus::CrashedOnStartup,
"Crashed during startup in a previous session");
gfxConfig::SetFailed(Feature::D3D11_COMPOSITING,
FeatureStatus::CrashedOnStartup,
"Harware acceleration crashed during startup in a previous session");
gfxConfig::SetFailed(Feature::DIRECT2D,
FeatureStatus::CrashedOnStartup,
"Harware acceleration crashed during startup in a previous session");
return;
}
bool shouldUseD2D = gfxConfig::IsEnabled(Feature::DIRECT2D);
// First, initialize D3D11. If this succeeds we attempt to use Direct2D.
InitializeD3D11();
InitializeD2D();
if (!gfxConfig::IsEnabled(Feature::DIRECT2D) &&
XRE_IsContentProcess() &&
shouldUseD2D)
{
RecordContentDeviceFailure(TelemetryDeviceCode::D2D1);
}
}
void
gfxWindowsPlatform::InitializeD3D11()
{
// This function attempts to initialize our D3D11 devices, if the hardware
// is not blacklisted for D3D11 layers. This first attempt will try to create
// a hardware accelerated device. If this creation fails or the hardware is
// blacklisted, then this function will abort if WARP is disabled, causing us
// to fallback to D3D9 or Basic layers. If WARP is not disabled it will use
// a WARP device which should always be available on Windows 7 and higher.
if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
return;
}
DeviceManagerDx* dm = DeviceManagerDx::Get();
if (XRE_IsParentProcess()) {
if (!dm->CreateCompositorDevices()) {
return;
}
}
dm->CreateContentDevices();
// Content process failed to create the d3d11 device while parent process
// succeed.
if (XRE_IsContentProcess() &&
!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
gfxCriticalError() << "[D3D11] Failed to create the D3D11 device in content \
process.";
}
}
void
gfxWindowsPlatform::InitializeD2DConfig()
{
FeatureState& d2d1 = gfxConfig::GetFeature(Feature::DIRECT2D);
if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
d2d1.DisableByDefault(FeatureStatus::Unavailable, "Direct2D requires Direct3D 11 compositing",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_D3D11_COMP"));
return;
}
d2d1.SetDefaultFromPref(
gfxPrefs::GetDirect2DDisabledPrefName(),
false,
gfxPrefs::GetDirect2DDisabledPrefDefault());
nsCString message;
nsCString failureId;
if (!gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_DIRECT2D, &message, failureId)) {
d2d1.Disable(FeatureStatus::Blacklisted, message.get(), failureId);
}
if (!d2d1.IsEnabled() && gfxPrefs::Direct2DForceEnabled()) {
d2d1.UserForceEnable("Force-enabled via user-preference");
}
}
void
gfxWindowsPlatform::InitializeD2D()
{
ScopedGfxFeatureReporter d2d1_1("D2D1.1");
FeatureState& d2d1 = gfxConfig::GetFeature(Feature::DIRECT2D);
DeviceManagerDx* dm = DeviceManagerDx::Get();
// We don't know this value ahead of time, but the user can force-override
// it, so we use Disable instead of SetFailed.
if (dm->IsWARP()) {
d2d1.Disable(FeatureStatus::Blocked, "Direct2D is not compatible with Direct3D11 WARP",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_WARP_BLOCK"));
}
// If we pass all the initial checks, we can proceed to runtime decisions.
if (!d2d1.IsEnabled()) {
return;
}
if (!Factory::SupportsD2D1()) {
d2d1.SetFailed(FeatureStatus::Unavailable, "Failed to acquire a Direct2D 1.1 factory",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_FACTORY"));
return;
}
if (!dm->GetContentDevice()) {
d2d1.SetFailed(FeatureStatus::Failed, "Failed to acquire a Direct3D 11 content device",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_DEVICE"));
return;
}
if (!dm->TextureSharingWorks()) {
d2d1.SetFailed(FeatureStatus::Failed, "Direct3D11 device does not support texture sharing",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_TXT_SHARING"));
return;
}
// Using Direct2D depends on DWrite support.
if (!mDWriteFactory && !InitDWriteSupport()) {
d2d1.SetFailed(FeatureStatus::Failed, "Failed to initialize DirectWrite support",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_DWRITE"));
return;
}
// Verify that Direct2D device creation succeeded.
RefPtr<ID3D11Device> contentDevice = dm->GetContentDevice();
if (!Factory::SetDirect3D11Device(contentDevice)) {
d2d1.SetFailed(FeatureStatus::Failed, "Failed to create a Direct2D device",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_CREATE_FAILED"));
return;
}
MOZ_ASSERT(d2d1.IsEnabled());
d2d1_1.SetSuccessful();
}
bool
gfxWindowsPlatform::InitGPUProcessSupport()
{
FeatureState& gpuProc = gfxConfig::GetFeature(Feature::GPU_PROCESS);
if (!gpuProc.IsEnabled()) {
return false;
}
if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
// Don't use the GPU process if not using D3D11.
gpuProc.Disable(
FeatureStatus::Unavailable,
"Not using GPU Process since D3D11 is unavailable",
NS_LITERAL_CSTRING("FEATURE_FAILURE_NO_D3D11"));
} else if (!IsWin7SP1OrLater()) {
// On Windows 7 Pre-SP1, DXGI 1.2 is not available and remote presentation
// for D3D11 will not work. Rather than take a regression and use D3D9, we
// revert back to in-process rendering.
gpuProc.Disable(
FeatureStatus::Unavailable,
"Windows 7 Pre-SP1 cannot use the GPU process",
NS_LITERAL_CSTRING("FEATURE_FAILURE_OLD_WINDOWS"));
} else if (!IsWin8OrLater()) {
// Windows 7 SP1 can have DXGI 1.2 only via the Platform Update, so we
// explicitly check for that here.
if (!DeviceManagerDx::Get()->CheckRemotePresentSupport()) {
gpuProc.Disable(
FeatureStatus::Unavailable,
"GPU Process requires the Windows 7 Platform Update",
NS_LITERAL_CSTRING("FEATURE_FAILURE_PLATFORM_UPDATE"));
} else {
// Clear anything cached by the above call since we don't need it.
DeviceManagerDx::Get()->ResetDevices();
}
}
// If we're still enabled at this point, the user set the force-enabled pref.
return gpuProc.IsEnabled();
}
bool
gfxWindowsPlatform::DwmCompositionEnabled()
{
MOZ_ASSERT(WinUtils::dwmIsCompositionEnabledPtr);
BOOL dwmEnabled = false;
if (FAILED(WinUtils::dwmIsCompositionEnabledPtr(&dwmEnabled))) {
return false;
}
return dwmEnabled;
}
class D3DVsyncSource final : public VsyncSource
{
public:
class D3DVsyncDisplay final : public VsyncSource::Display
{
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(D3DVsyncDisplay)
public:
D3DVsyncDisplay()
: mPrevVsync(TimeStamp::Now())
, mVsyncEnabledLock("D3DVsyncEnabledLock")
, mVsyncEnabled(false)
{
mVsyncThread = new base::Thread("WindowsVsyncThread");
MOZ_RELEASE_ASSERT(mVsyncThread->Start(), "GFX: Could not start Windows vsync thread");
SetVsyncRate();
}
void SetVsyncRate()
{
if (!gfxWindowsPlatform::GetPlatform()->DwmCompositionEnabled()) {
mVsyncRate = TimeDuration::FromMilliseconds(1000.0 / 60.0);
return;
}
DWM_TIMING_INFO vblankTime;
// Make sure to init the cbSize, otherwise GetCompositionTiming will fail
vblankTime.cbSize = sizeof(DWM_TIMING_INFO);
HRESULT hr = WinUtils::dwmGetCompositionTimingInfoPtr(0, &vblankTime);
if (SUCCEEDED(hr)) {
UNSIGNED_RATIO refreshRate = vblankTime.rateRefresh;
// We get the rate in hertz / time, but we want the rate in ms.
float rate = ((float) refreshRate.uiDenominator
/ (float) refreshRate.uiNumerator) * 1000;
mVsyncRate = TimeDuration::FromMilliseconds(rate);
} else {
mVsyncRate = TimeDuration::FromMilliseconds(1000.0 / 60.0);
}
}
virtual void Shutdown() override
{
MOZ_ASSERT(NS_IsMainThread());
DisableVsync();
mVsyncThread->Stop();
delete mVsyncThread;
}
virtual void EnableVsync() override
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mVsyncThread->IsRunning());
{ // scope lock
MonitorAutoLock lock(mVsyncEnabledLock);
if (mVsyncEnabled) {
return;
}
mVsyncEnabled = true;
}
mVsyncThread->message_loop()->PostTask(
NewRunnableMethod(this, &D3DVsyncDisplay::VBlankLoop));
}
virtual void DisableVsync() override
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mVsyncThread->IsRunning());
MonitorAutoLock lock(mVsyncEnabledLock);
if (!mVsyncEnabled) {
return;
}
mVsyncEnabled = false;
}
virtual bool IsVsyncEnabled() override
{
MOZ_ASSERT(NS_IsMainThread());
MonitorAutoLock lock(mVsyncEnabledLock);
return mVsyncEnabled;
}
virtual TimeDuration GetVsyncRate() override
{
return mVsyncRate;
}
void ScheduleSoftwareVsync(TimeStamp aVsyncTimestamp)
{
MOZ_ASSERT(IsInVsyncThread());
NS_WARNING("DwmComposition dynamically disabled, falling back to software timers");
TimeStamp nextVsync = aVsyncTimestamp + mVsyncRate;
TimeDuration delay = nextVsync - TimeStamp::Now();
if (delay.ToMilliseconds() < 0) {
delay = mozilla::TimeDuration::FromMilliseconds(0);
}
mVsyncThread->message_loop()->PostDelayedTask(
NewRunnableMethod(this, &D3DVsyncDisplay::VBlankLoop),
delay.ToMilliseconds());
}
// Returns the timestamp for the just happened vsync
TimeStamp GetVBlankTime()
{
TimeStamp vsync = TimeStamp::Now();
TimeStamp now = vsync;
DWM_TIMING_INFO vblankTime;
// Make sure to init the cbSize, otherwise
// GetCompositionTiming will fail
vblankTime.cbSize = sizeof(DWM_TIMING_INFO);
HRESULT hr = WinUtils::dwmGetCompositionTimingInfoPtr(0, &vblankTime);
if (!SUCCEEDED(hr)) {
return vsync;
}
LARGE_INTEGER frequency;
QueryPerformanceFrequency(&frequency);
LARGE_INTEGER qpcNow;
QueryPerformanceCounter(&qpcNow);
const int microseconds = 1000000;
int64_t adjust = qpcNow.QuadPart - vblankTime.qpcVBlank;
int64_t usAdjust = (adjust * microseconds) / frequency.QuadPart;
vsync -= TimeDuration::FromMicroseconds((double) usAdjust);
if (IsWin10OrLater()) {
// On Windows 10 and on, DWMGetCompositionTimingInfo, mostly
// reports the upcoming vsync time, which is in the future.
// It can also sometimes report a vblank time in the past.
// Since large parts of Gecko assume TimeStamps can't be in future,
// use the previous vsync.
// Windows 10 and Intel HD vsync timestamps are messy and
// all over the place once in a while. Most of the time,
// it reports the upcoming vsync. Sometimes, that upcoming
// vsync is in the past. Sometimes that upcoming vsync is before
// the previously seen vsync.
// In these error cases, normalize to Now();
if (vsync >= now) {
vsync = vsync - mVsyncRate;
}
}
// On Windows 7 and 8, DwmFlush wakes up AFTER qpcVBlankTime
// from DWMGetCompositionTimingInfo. We can return the adjusted vsync.
if (vsync >= now) {
vsync = now;
}
// Our vsync time is some time very far in the past, adjust to Now.
// 4 ms is arbitrary, so feel free to pick something else if this isn't
// working. See the comment above within IsWin10OrLater().
if ((now - vsync).ToMilliseconds() > 4.0) {
vsync = now;
}
return vsync;
}
void VBlankLoop()
{
MOZ_ASSERT(IsInVsyncThread());
MOZ_ASSERT(sizeof(int64_t) == sizeof(QPC_TIME));
TimeStamp vsync = TimeStamp::Now();
mPrevVsync = TimeStamp();
TimeStamp flushTime = TimeStamp::Now();
TimeDuration longVBlank = mVsyncRate * 2;
for (;;) {
{ // scope lock
MonitorAutoLock lock(mVsyncEnabledLock);
if (!mVsyncEnabled) return;
}
// Large parts of gecko assume that the refresh driver timestamp
// must be <= Now() and cannot be in the future.
MOZ_ASSERT(vsync <= TimeStamp::Now());
Display::NotifyVsync(vsync);
// DwmComposition can be dynamically enabled/disabled
// so we have to check every time that it's available.
// When it is unavailable, we fallback to software but will try
// to get back to dwm rendering once it's re-enabled
if (!gfxWindowsPlatform::GetPlatform()->DwmCompositionEnabled()) {
ScheduleSoftwareVsync(vsync);
return;
}
// Using WaitForVBlank, the whole system dies because WaitForVBlank
// only works if it's run on the same thread as the Present();
HRESULT hr = WinUtils::dwmFlushProcPtr();
if (!SUCCEEDED(hr)) {
// DWMFlush isn't working, fallback to software vsync.
ScheduleSoftwareVsync(TimeStamp::Now());
return;
}
TimeStamp now = TimeStamp::Now();
TimeDuration flushDiff = now - flushTime;
flushTime = now;
if ((flushDiff > longVBlank) || mPrevVsync.IsNull()) {
// Our vblank took longer than 2 intervals, readjust our timestamps
vsync = GetVBlankTime();
mPrevVsync = vsync;
} else {
// Instead of giving the actual vsync time, a constant interval
// between vblanks instead of the noise generated via hardware
// is actually what we want. Most apps just care about the diff
// between vblanks to animate, so a clean constant interval is
// smoother.
vsync = mPrevVsync + mVsyncRate;
if (vsync > now) {
// DWMFlush woke up very early, so readjust our times again
vsync = GetVBlankTime();
}
if (vsync <= mPrevVsync) {
vsync = TimeStamp::Now();
}
if ((now - vsync).ToMilliseconds() > 2.0) {
// Account for time drift here where vsync never quite catches up to
// Now and we'd fall ever so slightly further behind Now().
vsync = GetVBlankTime();
}
mPrevVsync = vsync;
}
} // end for
}
private:
virtual ~D3DVsyncDisplay()
{
MOZ_ASSERT(NS_IsMainThread());
}
bool IsInVsyncThread()
{
return mVsyncThread->thread_id() == PlatformThread::CurrentId();
}
TimeStamp mPrevVsync;
Monitor mVsyncEnabledLock;
base::Thread* mVsyncThread;
TimeDuration mVsyncRate;
bool mVsyncEnabled;
}; // end d3dvsyncdisplay
D3DVsyncSource()
{
mPrimaryDisplay = new D3DVsyncDisplay();
}
virtual Display& GetGlobalDisplay() override
{
return *mPrimaryDisplay;
}
private:
virtual ~D3DVsyncSource()
{
}
RefPtr<D3DVsyncDisplay> mPrimaryDisplay;
}; // end D3DVsyncSource
already_AddRefed<mozilla::gfx::VsyncSource>
gfxWindowsPlatform::CreateHardwareVsyncSource()
{
MOZ_RELEASE_ASSERT(NS_IsMainThread(), "GFX: Not in main thread.");
if (!WinUtils::dwmIsCompositionEnabledPtr) {
NS_WARNING("Dwm composition not available, falling back to software vsync");
return gfxPlatform::CreateHardwareVsyncSource();
}
BOOL dwmEnabled = false;
WinUtils::dwmIsCompositionEnabledPtr(&dwmEnabled);
if (!dwmEnabled) {
NS_WARNING("DWM not enabled, falling back to software vsync");
return gfxPlatform::CreateHardwareVsyncSource();
}
RefPtr<VsyncSource> d3dVsyncSource = new D3DVsyncSource();
return d3dVsyncSource.forget();
}
bool
gfxWindowsPlatform::SupportsApzTouchInput() const
{
int value = gfxPrefs::TouchEventsEnabled();
return value == 1 || value == 2;
}
void
gfxWindowsPlatform::GetAcceleratedCompositorBackends(nsTArray<LayersBackend>& aBackends)
{
if (gfxConfig::IsEnabled(Feature::OPENGL_COMPOSITING) && gfxPrefs::LayersPreferOpenGL()) {
aBackends.AppendElement(LayersBackend::LAYERS_OPENGL);
}
if (gfxConfig::IsEnabled(Feature::D3D9_COMPOSITING) && gfxPrefs::LayersPreferD3D9()) {
aBackends.AppendElement(LayersBackend::LAYERS_D3D9);
}
if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
aBackends.AppendElement(LayersBackend::LAYERS_D3D11);
}
if (gfxConfig::IsEnabled(Feature::D3D9_COMPOSITING) && !gfxPrefs::LayersPreferD3D9()) {
aBackends.AppendElement(LayersBackend::LAYERS_D3D9);
}
}
void
gfxWindowsPlatform::ImportGPUDeviceData(const mozilla::gfx::GPUDeviceData& aData)
{
MOZ_ASSERT(XRE_IsParentProcess());
gfxPlatform::ImportGPUDeviceData(aData);
gfxConfig::ImportChange(Feature::D3D11_COMPOSITING, aData.d3d11Compositing());
gfxConfig::ImportChange(Feature::D3D9_COMPOSITING, aData.d3d9Compositing());
DeviceManagerDx* dm = DeviceManagerDx::Get();
if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
dm->ImportDeviceInfo(aData.gpuDevice().get_D3D11DeviceStatus());
} else {
// There should be no devices, so this just takes away the device status.
dm->ResetDevices();
// Make sure we disable D2D if content processes might use it.
FeatureState& d2d1 = gfxConfig::GetFeature(Feature::DIRECT2D);
if (d2d1.IsEnabled()) {
d2d1.SetFailed(
FeatureStatus::Unavailable,
"Direct2D requires Direct3D 11 compositing",
NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_D3D11_COMP"));
}
}
// CanUseHardwareVideoDecoding depends on d3d11 state, so update
// the cached value now.
UpdateCanUseHardwareVideoDecoding();
// For completeness (and messaging in about:support). Content recomputes this
// on its own, and we won't use ANGLE in the UI process if we're using a GPU
// process.
UpdateANGLEConfig();
}
void
gfxWindowsPlatform::ImportContentDeviceData(const mozilla::gfx::ContentDeviceData& aData)
{
MOZ_ASSERT(XRE_IsContentProcess());
gfxPlatform::ImportContentDeviceData(aData);
const DevicePrefs& prefs = aData.prefs();
gfxConfig::Inherit(Feature::D3D11_COMPOSITING, prefs.d3d11Compositing());
gfxConfig::Inherit(Feature::D3D9_COMPOSITING, prefs.d3d9Compositing());
gfxConfig::Inherit(Feature::DIRECT2D, prefs.useD2D1());
if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
DeviceManagerDx* dm = DeviceManagerDx::Get();
dm->ImportDeviceInfo(aData.d3d11());
}
}
void
gfxWindowsPlatform::BuildContentDeviceData(ContentDeviceData* aOut)
{
// Check for device resets before giving back new graphics information.
UpdateRenderMode();
gfxPlatform::BuildContentDeviceData(aOut);
const FeatureState& d3d11 = gfxConfig::GetFeature(Feature::D3D11_COMPOSITING);
aOut->prefs().d3d11Compositing() = d3d11.GetValue();
aOut->prefs().d3d9Compositing() = gfxConfig::GetValue(Feature::D3D9_COMPOSITING);
aOut->prefs().useD2D1() = gfxConfig::GetValue(Feature::DIRECT2D);
if (d3d11.IsEnabled()) {
DeviceManagerDx* dm = DeviceManagerDx::Get();
dm->ExportDeviceInfo(&aOut->d3d11());
}
}
bool
gfxWindowsPlatform::SupportsPluginDirectDXGIDrawing()
{
DeviceManagerDx* dm = DeviceManagerDx::Get();
if (!dm->GetContentDevice() || !dm->TextureSharingWorks()) {
return false;
}
return true;
}
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку