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-rwxr-xr-xgfx/thebes/gfxWindowsPlatform.cpp2139
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diff --git a/gfx/thebes/gfxWindowsPlatform.cpp b/gfx/thebes/gfxWindowsPlatform.cpp
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index 000000000..be1780797
--- /dev/null
+++ b/gfx/thebes/gfxWindowsPlatform.cpp
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+/* -*- 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 "nsIGfxInfo.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;
+
+ // GPU memory reporting is not available before Windows 7
+ if (!IsWin7OrLater())
+ return NS_OK;
+
+ 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()
+{
+ if (!IsVistaOrLater()) {
+ return false;
+ }
+
+ // 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);
+ uint32_t contentMask = BackendTypeBit(BackendType::CAIRO);
+ 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;
+ } else {
+ canvasMask |= BackendTypeBit(BackendType::SKIA);
+ }
+ contentMask |= BackendTypeBit(BackendType::SKIA);
+ 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 0x0a:
+ case 0x0b:
+ case 0x0c:
+ case 0x0d:
+ aFontList.AppendElement(kFontNirmalaUI);
+ break;
+ case 0x0e:
+ aFontList.AppendElement(kFontLaoUI);
+ aFontList.AppendElement(kFontLeelawadeeUI);
+ 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);
+ aFontList.AppendElement(kFontLeelawadeeUI);
+ break;
+ case 0x18: // Mongolian
+ aFontList.AppendElement(kFontMongolianBaiti);
+ aFontList.AppendElement(kFontEuphemia);
+ break;
+ case 0x19:
+ aFontList.AppendElement(kFontMicrosoftTaiLe);
+ aFontList.AppendElement(kFontMicrosoftNewTaiLue);
+ aFontList.AppendElement(kFontKhmerUI);
+ aFontList.AppendElement(kFontLeelawadeeUI);
+ 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);
+ aFontList.AppendElement(kFontLeelawadeeUI);
+ 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 DISPLAY1_REGISTRY_KEY \
+ HKEY_CURRENT_USER, L"Software\\Microsoft\\Avalon.Graphics\\DISPLAY1"
+
+#define ENHANCED_CONTRAST_VALUE_NAME L"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) {
+ HKEY hKey;
+ LONG res = RegOpenKeyExW(DISPLAY1_REGISTRY_KEY,
+ 0, KEY_READ, &hKey);
+ if (res == ERROR_SUCCESS) {
+ res = RegQueryValueExW(hKey, ENHANCED_CONTRAST_VALUE_NAME,
+ nullptr, nullptr, nullptr, nullptr);
+ if (res == ERROR_SUCCESS) {
+ contrast = defaultRenderingParams->GetEnhancedContrast();
+ }
+ RegCloseKey(hKey);
+ }
+
+ if (contrast < 0.0 || contrast > 10.0) {
+ contrast = 1.0;
+ }
+ }
+
+ if (GetDefaultContentBackend() == BackendType::SKIA) {
+ // Skia doesn't support a contrast value outside of 0-1, so default to 1.0
+ if (contrast < 0.0 || contrast > 1.0) {
+ NS_WARNING("Custom dwrite contrast not supported in Skia. Defaulting to 1.0.");
+ 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;
+
+ HRESULT hr = GetDWriteFactory()->CreateCustomRenderingParams(
+ gamma, contrast, level, dwriteGeometry, renderMode,
+ getter_AddRefs(mRenderingParams[TEXT_RENDERING_NORMAL]));
+ if (FAILED(hr) || !mRenderingParams[TEXT_RENDERING_NORMAL]) {
+ mRenderingParams[TEXT_RENDERING_NORMAL] = defaultRenderingParams;
+ }
+
+ hr = GetDWriteFactory()->CreateCustomRenderingParams(
+ gamma, contrast, level,
+ dwriteGeometry, DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC,
+ getter_AddRefs(mRenderingParams[TEXT_RENDERING_GDI_CLASSIC]));
+ if (FAILED(hr) || !mRenderingParams[TEXT_RENDERING_GDI_CLASSIC]) {
+ mRenderingParams[TEXT_RENDERING_GDI_CLASSIC] =
+ defaultRenderingParams;
+ }
+ }
+}
+
+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;
+ }
+
+ if (!IsVistaOrLater()) {
+ d3d9.EnableByDefault();
+ } else {
+ 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 (!IsWin8OrLater() &&
+ !DeviceManagerDx::Get()->CheckRemotePresentSupport()) {
+ nsCOMPtr<nsIGfxInfo> gfxInfo;
+ gfxInfo = services::GetGfxInfo();
+ nsAutoString adaptorId;
+ gfxInfo->GetAdapterDeviceID(adaptorId);
+ // Blacklist Intel HD Graphics 510/520/530 on Windows 7 without platform
+ // update due to the crashes in Bug 1351349.
+ if (adaptorId.EqualsLiteral("0x1912") || adaptorId.EqualsLiteral("0x1916") ||
+ adaptorId.EqualsLiteral("0x1902")) {
+ d3d11.Disable(FeatureStatus::Blacklisted, "Blacklisted, see bug 1351349",
+ NS_LITERAL_CSTRING("FEATURE_FAILURE_BUG_1351349"));
+ }
+ }
+
+ // 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;
+ }
+ if (!IsVistaOrLater()) {
+ d2d1.DisableByDefault(FeatureStatus::Unavailable, "Direct2D is not available on Windows XP",
+ NS_LITERAL_CSTRING("FEATURE_FAILURE_D2D_XP"));
+ 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()) {
+ // For Windows XP, we simply don't care enough to support this
+ // configuration. On Windows Vista and 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 XP, Vista, and 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()
+{
+ if (!IsVistaOrLater()) {
+ return false;
+ }
+
+ 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;
+}