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diff --git a/gfx/thebes/gfxWindowsPlatform.cpp b/gfx/thebes/gfxWindowsPlatform.cpp
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+++ b/gfx/thebes/gfxWindowsPlatform.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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/. */
+
+#define INITGUID // set before devguid.h
+
+#include "gfxWindowsPlatform.h"
+
+#include "cairo.h"
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/layers/CompositorBridgeChild.h"
+
+#include "gfxBlur.h"
+#include "gfxImageSurface.h"
+#include "gfxWindowsSurface.h"
+
+#include "nsUnicharUtils.h"
+#include "nsUnicodeProperties.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 "nsThreadUtils.h"
+#include "mozilla/Telemetry.h"
+#include "GeckoProfiler.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/CanvasChild.h"
+#include "mozilla/layers/CompositorThread.h"
+#include "mozilla/layers/PaintThread.h"
+#include "mozilla/layers/ReadbackManagerD3D11.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 "mozilla/gfx/gfxVars.h"
+
+#include "nsMemory.h"
+
+#include <dwmapi.h>
+#include <d3d11.h>
+#include <d2d1_1.h>
+
+#include "nsIMemoryReporter.h"
+#include <winternl.h>
+#include "d3dkmtQueryStatistics.h"
+
+#include "base/thread.h"
+#include "mozilla/StaticPrefs_gfx.h"
+#include "mozilla/StaticPrefs_layers.h"
+#include "gfxConfig.h"
+#include "VsyncSource.h"
+#include "DriverCrashGuard.h"
+#include "mozilla/dom/ContentChild.h"
+#include "mozilla/gfx/DeviceManagerDx.h"
+#include "mozilla/gfx/DisplayConfigWindows.h"
+#include "mozilla/layers/DeviceAttachmentsD3D11.h"
+#include "D3D11Checks.h"
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+using namespace mozilla::layers;
+using namespace mozilla::widget;
+using namespace mozilla::image;
+using namespace mozilla::unicode;
+
+DCForMetrics::DCForMetrics() {
+ // Get the whole screen DC:
+ mDC = GetDC(nullptr);
+ SetGraphicsMode(mDC, GM_ADVANCED);
+}
+
+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_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) {
+ RefPtr<ID3D11Device> d3d11Device;
+ RefPtr<IDXGIDevice> dxgiDevice;
+ bool result = false;
+
+ if ((d3d11Device = mozilla::gfx::Factory::GetDirect3D11Device())) {
+ if (d3d11Device->QueryInterface(__uuidof(IDXGIDevice),
+ getter_AddRefs(dxgiDevice)) == S_OK) {
+ result = (dxgiDevice->GetAdapter(aDXGIAdapter) == S_OK);
+ }
+ }
+
+ 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),
+ mDwmCompositionStatus(DwmCompositionStatus::Unknown) {
+ /*
+ * Initialize COM
+ */
+ CoInitialize(nullptr);
+
+ RegisterStrongMemoryReporter(new GfxD2DVramReporter());
+ RegisterStrongMemoryReporter(new GPUAdapterReporter());
+ RegisterStrongMemoryReporter(new D3DSharedTexturesReporter());
+}
+
+gfxWindowsPlatform::~gfxWindowsPlatform() {
+ mozilla::gfx::Factory::D2DCleanup();
+
+ DeviceManagerDx::Shutdown();
+
+ /*
+ * Uninitialize COM
+ */
+ CoUninitialize();
+}
+
+/* static */
+void gfxWindowsPlatform::InitMemoryReportersForGPUProcess() {
+ MOZ_RELEASE_ASSERT(XRE_IsGPUProcess());
+
+ RegisterStrongMemoryReporter(new GfxD2DVramReporter());
+ RegisterStrongMemoryReporter(new GPUAdapterReporter());
+ RegisterStrongMemoryReporter(new D3DSharedTexturesReporter());
+}
+
+static void UpdateANGLEConfig() {
+ if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
+ gfxConfig::Disable(Feature::D3D11_HW_ANGLE, FeatureStatus::Disabled,
+ "D3D11 compositing is disabled",
+ "FEATURE_FAILURE_HW_ANGLE_D3D11_DISABLED"_ns);
+ }
+}
+
+void gfxWindowsPlatform::InitAcceleration() {
+ gfxPlatform::InitAcceleration();
+
+ DeviceManagerDx::Init();
+
+ InitializeConfig();
+ InitGPUProcessSupport();
+ // Ensure devices initialization. SharedSurfaceANGLE and
+ // SharedSurfaceD3D11Interop use them. The devices are lazily initialized
+ // with WebRender to reduce memory usage.
+ // Initialize them now when running non-e10s.
+ if (!BrowserTabsRemoteAutostart()) {
+ EnsureDevicesInitialized();
+ }
+ UpdateANGLEConfig();
+ UpdateRenderMode();
+
+ // If we have Skia and we didn't init dwrite already, do it now.
+ if (!DWriteEnabled() && GetDefaultContentBackend() == BackendType::SKIA) {
+ InitDWriteSupport();
+ }
+ // We need to listen for font setting changes even if DWrite is not used.
+ Factory::SetSystemTextQuality(gfxVars::SystemTextQuality());
+ gfxVars::SetSystemTextQualityListener(
+ gfxDWriteFont::SystemTextQualityChanged);
+
+ if (XRE_IsParentProcess()) {
+ BOOL dwmEnabled = FALSE;
+ if (FAILED(::DwmIsCompositionEnabled(&dwmEnabled)) || !dwmEnabled) {
+ gfxVars::SetDwmCompositionEnabled(false);
+ } else {
+ gfxVars::SetDwmCompositionEnabled(true);
+ }
+ }
+
+ // gfxVars are not atomic, but multiple threads can query DWM status
+ // Therefore, mirror value into an atomic
+ mDwmCompositionStatus = gfxVars::DwmCompositionEnabled()
+ ? DwmCompositionStatus::Enabled
+ : DwmCompositionStatus::Disabled;
+
+ gfxVars::SetDwmCompositionEnabledListener([this] {
+ this->mDwmCompositionStatus = gfxVars::DwmCompositionEnabled()
+ ? DwmCompositionStatus::Enabled
+ : DwmCompositionStatus::Disabled;
+ });
+
+ // CanUseHardwareVideoDecoding depends on DeviceManagerDx state,
+ // so update the cached value now.
+ UpdateCanUseHardwareVideoDecoding();
+
+ RecordStartupTelemetry();
+}
+
+void gfxWindowsPlatform::InitWebRenderConfig() {
+ gfxPlatform::InitWebRenderConfig();
+ if (XRE_IsParentProcess()) {
+ bool prev =
+ Preferences::GetBool("sanity-test.webrender.force-disabled", false);
+ bool current = Preferences::GetBool("gfx.webrender.force-disabled", false);
+ // When "gfx.webrender.force-disabled" pref is changed from false to true,
+ // set "layers.mlgpu.sanity-test-failed" pref to false.
+ // "layers.mlgpu.sanity-test-failed" pref is re-tested by SanityTest.jsm.
+ bool doRetest = !prev && current;
+ if (doRetest) {
+ Preferences::SetBool("layers.mlgpu.sanity-test-failed", false);
+ }
+ // Need to be called after gfxPlatform::InitWebRenderConfig().
+ InitializeAdvancedLayersConfig();
+ }
+
+ if (gfxVars::UseWebRender()) {
+ UpdateBackendPrefs();
+ }
+}
+
+bool gfxWindowsPlatform::CanUseHardwareVideoDecoding() {
+ DeviceManagerDx* dm = DeviceManagerDx::Get();
+ if (!dm) {
+ return false;
+ }
+ if (!dm->TextureSharingWorks()) {
+ return false;
+ }
+ return !dm->IsWARP() && gfxPlatform::CanUseHardwareVideoDecoding();
+}
+
+bool gfxWindowsPlatform::InitDWriteSupport() {
+ mozilla::ScopedGfxFeatureReporter reporter("DWrite");
+ if (!Factory::EnsureDWriteFactory()) {
+ return false;
+ }
+
+ 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();
+
+ gfxConfig::Reset(Feature::D3D11_COMPOSITING);
+ gfxConfig::Reset(Feature::ADVANCED_LAYERS);
+ gfxConfig::Reset(Feature::D3D11_HW_ANGLE);
+ gfxConfig::Reset(Feature::DIRECT2D);
+
+ InitializeConfig();
+ // XXX Add InitWebRenderConfig() calling.
+ InitializeAdvancedLayersConfig();
+ if (mInitializedDevices) {
+ InitGPUProcessSupport();
+ InitializeDevices();
+ }
+ UpdateANGLEConfig();
+ return true;
+}
+
+BackendPrefsData gfxWindowsPlatform::GetBackendPrefs() const {
+ BackendPrefsData data;
+
+ data.mCanvasBitmask = BackendTypeBit(BackendType::SKIA);
+ data.mContentBitmask = BackendTypeBit(BackendType::SKIA);
+ data.mCanvasDefault = BackendType::SKIA;
+ data.mContentDefault = BackendType::SKIA;
+
+ if (gfxConfig::IsEnabled(Feature::DIRECT2D)) {
+ data.mCanvasBitmask |= BackendTypeBit(BackendType::DIRECT2D1_1);
+ data.mCanvasDefault = BackendType::DIRECT2D1_1;
+ // We do not use d2d for content when WebRender is used.
+ if (!gfxVars::UseWebRender()) {
+ data.mContentBitmask |= BackendTypeBit(BackendType::DIRECT2D1_1);
+ data.mContentDefault = BackendType::DIRECT2D1_1;
+ }
+ }
+ return data;
+}
+
+void gfxWindowsPlatform::UpdateBackendPrefs() {
+ BackendPrefsData data = GetBackendPrefs();
+ // Remove DIRECT2D1 preference if D2D1Device does not exist.
+ if (!Factory::HasD2D1Device()) {
+ data.mCanvasBitmask &= ~BackendTypeBit(BackendType::DIRECT2D1_1);
+ data.mContentBitmask &= ~BackendTypeBit(BackendType::DIRECT2D1_1);
+ if (data.mCanvasDefault == BackendType::DIRECT2D1_1) {
+ data.mCanvasDefault = BackendType::SKIA;
+ }
+ if (data.mContentDefault == BackendType::DIRECT2D1_1) {
+ data.mContentDefault = BackendType::SKIA;
+ }
+ }
+ InitBackendPrefs(std::move(data));
+}
+
+bool gfxWindowsPlatform::IsDirect2DBackend() {
+ return GetDefaultContentBackend() == BackendType::DIRECT2D1_1;
+}
+
+void gfxWindowsPlatform::UpdateRenderMode() {
+ bool didReset = HandleDeviceReset();
+
+ UpdateBackendPrefs();
+
+ if (PaintThread::Get()) {
+ PaintThread::Get()->UpdateRenderMode();
+ }
+
+ 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().get())
+ << ", D3D11 status:"
+ << FeatureStatusToString(
+ gfxConfig::GetValue(Feature::D3D11_COMPOSITING))
+ << ", D2D1 device:" << hexa(Factory::GetD2D1Device().get())
+ << ", 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 (aLayers == LayersBackend::LAYERS_WR &&
+ gfx::gfxVars::UseWebRenderANGLE()) {
+ return defaultBackend;
+ }
+
+ if (defaultBackend == BackendType::DIRECT2D1_1) {
+ // We can't have D2D without D3D11 layers, so fallback to Skia.
+ return BackendType::SKIA;
+ }
+
+ // Otherwise we have some non-accelerated backend and that's ok.
+ return defaultBackend;
+}
+
+mozilla::gfx::BackendType gfxWindowsPlatform::GetPreferredCanvasBackend() {
+ mozilla::gfx::BackendType backend = gfxPlatform::GetPreferredCanvasBackend();
+
+ if (backend == BackendType::DIRECT2D1_1) {
+ if (gfx::gfxVars::UseWebRender() && !gfx::gfxVars::UseWebRenderANGLE()) {
+ // We can't have D2D without ANGLE when WebRender is enabled, so fallback
+ // to Skia.
+ return BackendType::SKIA;
+ }
+
+ // Fall back to software when remote canvas has been deactivated.
+ if (CanvasChild::Deactivated()) {
+ return BackendType::SKIA;
+ }
+ }
+ return backend;
+}
+
+gfxPlatformFontList* gfxWindowsPlatform::CreatePlatformFontList() {
+ gfxPlatformFontList* pfl;
+
+ // bug 630201 - older pre-RTM versions of Direct2D/DirectWrite cause odd
+ // crashers so block them altogether
+ if (IsNotWin7PreRTM() && DWriteEnabled()) {
+ 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",
+ "FEATURE_FAILURE_FONT_FAIL"_ns);
+ }
+
+ // Ensure this is false, even if the Windows version was recent enough to
+ // permit it, as we're using GDI fonts.
+ mHasVariationFontSupport = false;
+
+ 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 (!XRE_IsContentProcess()) {
+ 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();
+}
+
+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 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 kFontTwemojiMozilla[] = "Twemoji Mozilla";
+static const char kFontUtsaah[] = "Utsaah";
+static const char kFontYuGothic[] = "Yu Gothic";
+
+void gfxWindowsPlatform::GetCommonFallbackFonts(
+ uint32_t aCh, Script aRunScript, eFontPresentation aPresentation,
+ nsTArray<const char*>& aFontList) {
+ if (PrefersColor(aPresentation)) {
+ aFontList.AppendElement(kFontSegoeUIEmoji);
+ aFontList.AppendElement(kFontTwemojiMozilla);
+ }
+
+ // 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
+ 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);
+}
+
+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() {
+ AUTO_PROFILER_LABEL("gfxWindowsPlatform::SchedulePaintIfDeviceReset", OTHER);
+
+ DeviceResetReason resetReason = DeviceResetReason::OK;
+ if (!DidRenderingDeviceReset(&resetReason)) {
+ return;
+ }
+
+ gfxCriticalNote << "(gfxWindowsPlatform) Detected device reset: "
+ << (int)resetReason;
+
+ if (XRE_IsParentProcess()) {
+ // Trigger an ::OnPaint for each window.
+ ::EnumThreadWindows(GetCurrentThreadId(), InvalidateWindowForDeviceReset,
+ 0);
+ } else {
+ NS_DispatchToMainThread(NS_NewRunnableFunction(
+ "gfx::gfxWindowsPlatform::SchedulePaintIfDeviceReset", []() -> void {
+ gfxWindowsPlatform::GetPlatform()->CheckForContentOnlyDeviceReset();
+ }));
+ }
+
+ gfxCriticalNote << "(gfxWindowsPlatform) scheduled device update.";
+}
+
+void gfxWindowsPlatform::CheckForContentOnlyDeviceReset() {
+ if (!DidRenderingDeviceReset()) {
+ return;
+ }
+
+ bool isContentOnlyTDR;
+ D3D11DeviceStatus status;
+
+ DeviceManagerDx::Get()->ExportDeviceInfo(&status);
+ CompositorBridgeChild::Get()->SendCheckContentOnlyTDR(status.sequenceNumber(),
+ &isContentOnlyTDR);
+
+ // The parent process doesn't know about the reset yet, or the reset is
+ // local to our device.
+ if (isContentOnlyTDR) {
+ gfxCriticalNote << "A content-only TDR is detected.";
+ dom::ContentChild* cc = dom::ContentChild::GetSingleton();
+ cc->RecvReinitRenderingForDeviceReset();
+ }
+}
+
+nsTArray<uint8_t> gfxWindowsPlatform::GetPlatformCMSOutputProfileData() {
+ if (XRE_IsContentProcess()) {
+ // This will be passed in during InitChild so we can avoid sending a
+ // sync message back to the parent during init.
+ const mozilla::gfx::ContentDeviceData* contentDeviceData =
+ GetInitContentDeviceData();
+ if (contentDeviceData) {
+ MOZ_ASSERT(!contentDeviceData->cmsOutputProfileData().IsEmpty());
+ return contentDeviceData->cmsOutputProfileData().Clone();
+ }
+
+ // Otherwise we need to ask the parent for the updated color profile
+ mozilla::dom::ContentChild* cc = mozilla::dom::ContentChild::GetSingleton();
+ nsTArray<uint8_t> result;
+ Unused << cc->SendGetOutputColorProfileData(&result);
+ return result;
+ }
+
+ if (!mCachedOutputColorProfile.IsEmpty()) {
+ return mCachedOutputColorProfile.Clone();
+ }
+
+ mCachedOutputColorProfile = [&] {
+ nsTArray<uint8_t> prefProfileData = GetPrefCMSOutputProfileData();
+ if (!prefProfileData.IsEmpty()) {
+ return prefProfileData;
+ }
+
+ HDC dc = ::GetDC(nullptr);
+ if (!dc) {
+ return nsTArray<uint8_t>();
+ }
+
+ WCHAR profilePath[MAX_PATH];
+ DWORD profilePathLen = MAX_PATH;
+
+ bool getProfileResult = ::GetICMProfileW(dc, &profilePathLen, profilePath);
+
+ ::ReleaseDC(nullptr, dc);
+
+ if (!getProfileResult) {
+ return nsTArray<uint8_t>();
+ }
+
+ void* mem = nullptr;
+ size_t size = 0;
+
+ qcms_data_from_unicode_path(profilePath, &mem, &size);
+ if (!mem) {
+ return nsTArray<uint8_t>();
+ }
+
+ nsTArray<uint8_t> result;
+ result.AppendElements(static_cast<uint8_t*>(mem), size);
+
+ free(mem);
+
+ return result;
+ }();
+
+ return mCachedOutputColorProfile.Clone();
+}
+
+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) {
+ return;
+ }
+
+ // XXX(Bug 1631371) Check if this should use a fallible operation as it
+ // pretended earlier.
+ versionInfo.AppendElements(uint32_t(versInfoSize));
+
+ 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));
+}
+
+static BOOL CALLBACK AppendClearTypeParams(HMONITOR aMonitor, HDC, LPRECT,
+ LPARAM aContext) {
+ MONITORINFOEXW monitorInfo;
+ monitorInfo.cbSize = sizeof(MONITORINFOEXW);
+ if (!GetMonitorInfoW(aMonitor, &monitorInfo)) {
+ return TRUE;
+ }
+
+ ClearTypeParameterInfo ctinfo;
+ ctinfo.displayName.Assign(monitorInfo.szDevice);
+
+ RefPtr<IDWriteRenderingParams> renderingParams;
+ HRESULT hr = Factory::GetDWriteFactory()->CreateMonitorRenderingParams(
+ aMonitor, getter_AddRefs(renderingParams));
+ if (FAILED(hr)) {
+ return TRUE;
+ }
+
+ ctinfo.gamma = renderingParams->GetGamma() * 1000;
+ ctinfo.pixelStructure = renderingParams->GetPixelGeometry();
+ ctinfo.clearTypeLevel = renderingParams->GetClearTypeLevel() * 100;
+ ctinfo.enhancedContrast = renderingParams->GetEnhancedContrast() * 100;
+
+ auto* params = reinterpret_cast<nsTArray<ClearTypeParameterInfo>*>(aContext);
+ params->AppendElement(ctinfo);
+ return TRUE;
+}
+
+void gfxWindowsPlatform::GetCleartypeParams(
+ nsTArray<ClearTypeParameterInfo>& aParams) {
+ aParams.Clear();
+ if (!DWriteEnabled()) {
+ return;
+ }
+ EnumDisplayMonitors(nullptr, nullptr, AppendClearTypeParams,
+ reinterpret_cast<LPARAM>(&aParams));
+}
+
+void gfxWindowsPlatform::FontsPrefsChanged(const char* aPref) {
+ bool clearTextFontCaches = true;
+
+ gfxPlatform::FontsPrefsChanged(aPref);
+
+ if (aPref &&
+ !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 (DWriteEnabled()) {
+ // 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;
+ HRESULT hr = Factory::GetDWriteFactory()->CreateRenderingParams(
+ getter_AddRefs(defaultRenderingParams));
+ if (FAILED(hr)) {
+ gfxWarning() << "Failed to create default rendering params";
+ }
+ // 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) {
+ if (defaultRenderingParams) {
+ 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;
+ }
+ }
+
+ // 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 ? defaultRenderingParams->GetGamma() : 2.2;
+ }
+
+ if (level < 0.0 || level > 1.0) {
+ level = defaultRenderingParams
+ ? defaultRenderingParams->GetClearTypeLevel()
+ : 1.0;
+ }
+
+ 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
+ ? defaultRenderingParams->GetPixelGeometry()
+ : DWRITE_PIXEL_GEOMETRY_FLAT;
+ }
+
+ Factory::SetBGRSubpixelOrder(dwriteGeometry == DWRITE_PIXEL_GEOMETRY_BGR);
+
+ if (renderMode < DWRITE_RENDERING_MODE_DEFAULT ||
+ renderMode > DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC) {
+ renderMode = defaultRenderingParams
+ ? defaultRenderingParams->GetRenderingMode()
+ : DWRITE_RENDERING_MODE_DEFAULT;
+ }
+
+ mRenderingParams[TEXT_RENDERING_NO_CLEARTYPE] = defaultRenderingParams;
+
+ hr = Factory::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 = Factory::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",
+ "FEATURE_FAILURE_HW_ANGLE_D3D11_DISABLED"_ns);
+ return;
+ }
+
+ d3d11ANGLE.EnableByDefault();
+
+ nsCString message;
+ nsCString failureId;
+ if (!gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE,
+ &message, failureId)) {
+ d3d11ANGLE.Disable(FeatureStatus::Blocklisted, 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.
+ InitializeD3D11Config();
+ InitializeANGLEConfig();
+ InitializeD2DConfig();
+ } else {
+ FetchAndImportContentDeviceData();
+ InitializeANGLEConfig();
+ }
+}
+
+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",
+ "FEATURE_FAILURE_D3D11_NEED_HWCOMP"_ns);
+ return;
+ }
+
+ d3d11.EnableByDefault();
+
+ // Check if the user really, really wants WARP.
+ if (StaticPrefs::layers_d3d11_force_warp_AtStartup()) {
+ // Force D3D11 on even if we disabled it.
+ d3d11.UserForceEnable("User force-enabled WARP");
+ }
+
+ if (!IsWin8OrLater() &&
+ !DeviceManagerDx::Get()->CheckRemotePresentSupport()) {
+ nsCOMPtr<nsIGfxInfo> gfxInfo;
+ gfxInfo = services::GetGfxInfo();
+ nsAutoString adaptorId;
+ gfxInfo->GetAdapterDeviceID(adaptorId);
+ // Blocklist 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")) {
+#ifdef RELEASE_OR_BETA
+ d3d11.Disable(FeatureStatus::Blocklisted, "Blocklisted, see bug 1351349",
+ "FEATURE_FAILURE_BUG_1351349"_ns);
+#else
+ Preferences::SetBool("gfx.compositor.clearstate", true);
+#endif
+ }
+ }
+
+ nsCString message;
+ nsCString failureId;
+ if (StaticPrefs::layers_d3d11_enable_blacklist_AtStartup() &&
+ !gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS,
+ &message, failureId)) {
+ d3d11.Disable(FeatureStatus::Blocklisted, message.get(), failureId);
+ }
+}
+
+/* static */
+void gfxWindowsPlatform::InitializeAdvancedLayersConfig() {
+ // Only enable Advanced Layers if D3D11 succeeded.
+ if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
+ return;
+ }
+
+ FeatureState& al = gfxConfig::GetFeature(Feature::ADVANCED_LAYERS);
+ al.SetDefaultFromPref(StaticPrefs::GetPrefName_layers_mlgpu_enabled(),
+ true /* aIsEnablePref */,
+ StaticPrefs::GetPrefDefault_layers_mlgpu_enabled());
+
+ // Windows 7 has an extra pref since it uses totally different buffer paths
+ // that haven't been performance tested yet.
+ if (al.IsEnabled() && !IsWin8OrLater()) {
+ if (StaticPrefs::layers_mlgpu_enable_on_windows7_AtStartup()) {
+ al.UserEnable("Enabled for Windows 7 via user-preference");
+ } else {
+ al.Disable(FeatureStatus::Disabled,
+ "Advanced Layers is disabled on Windows 7 by default",
+ "FEATURE_FAILURE_DISABLED_ON_WIN7"_ns);
+ }
+ }
+
+ nsCString message, failureId;
+ if (!IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_ADVANCED_LAYERS, &message,
+ failureId)) {
+ al.Disable(FeatureStatus::Blocklisted, message.get(), failureId);
+ } else if (gfxVars::UseWebRender()) {
+ al.Disable(FeatureStatus::Blocked,
+ "Blocked from fallback candidate by WebRender usage",
+ "FEATURE_BLOCKED_BY_WEBRENDER_USAGE"_ns);
+ } else if (Preferences::GetBool("layers.mlgpu.sanity-test-failed", false)) {
+ al.Disable(FeatureStatus::Broken, "Failed to render sanity test",
+ "FEATURE_FAILURE_FAILED_TO_RENDER"_ns);
+ }
+}
+
+/* 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::RecordStartupTelemetry() {
+ if (!XRE_IsParentProcess()) {
+ return;
+ }
+
+ DeviceManagerDx* dx = DeviceManagerDx::Get();
+ nsTArray<DXGI_OUTPUT_DESC1> outputs = dx->EnumerateOutputs();
+
+ uint32_t allSupportedColorSpaces = 0;
+ for (auto& output : outputs) {
+ uint32_t colorSpace = 1 << output.ColorSpace;
+ allSupportedColorSpaces |= colorSpace;
+ }
+
+ Telemetry::ScalarSet(
+ Telemetry::ScalarID::GFX_HDR_WINDOWS_DISPLAY_COLORSPACE_BITFIELD,
+ allSupportedColorSpaces);
+}
+
+// Supports lazy device initialization on Windows, so that WebRender can avoid
+// initializing GPU state and allocating swap chains for most non-GPU processes.
+void gfxWindowsPlatform::EnsureDevicesInitialized() {
+ if (!mInitializedDevices) {
+ mInitializedDevices = true;
+ InitializeDevices();
+ UpdateBackendPrefs();
+ }
+}
+
+bool gfxWindowsPlatform::DevicesInitialized() { return mInitializedDevices; }
+
+void gfxWindowsPlatform::InitializeDevices() {
+ MOZ_ASSERT(NS_IsMainThread());
+
+ 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 (gfxConfig::IsEnabled(Feature::GPU_PROCESS)) {
+ 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 blocklisted for D3D11 layers. This first attempt will try to create
+ // a hardware accelerated device. If this creation fails or the hardware is
+ // blocklisted, then this function will abort if WARP is disabled, causing us
+ // to fallback to 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",
+ "FEATURE_FAILURE_D2D_D3D11_COMP"_ns);
+ return;
+ }
+
+ d2d1.SetDefaultFromPref(StaticPrefs::GetPrefName_gfx_direct2d_disabled(),
+ false,
+ StaticPrefs::GetPrefDefault_gfx_direct2d_disabled());
+
+ nsCString message;
+ nsCString failureId;
+ if (!gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_DIRECT2D, &message,
+ failureId)) {
+ d2d1.Disable(FeatureStatus::Blocklisted, message.get(), failureId);
+ }
+
+ if (!d2d1.IsEnabled() &&
+ StaticPrefs::gfx_direct2d_force_enabled_AtStartup()) {
+ 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",
+ "FEATURE_FAILURE_D2D_WARP_BLOCK"_ns);
+ }
+
+ // 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",
+ "FEATURE_FAILURE_D2D_FACTORY"_ns);
+ return;
+ }
+
+ if (!dm->GetContentDevice()) {
+ d2d1.SetFailed(FeatureStatus::Failed,
+ "Failed to acquire a Direct3D 11 content device",
+ "FEATURE_FAILURE_D2D_DEVICE"_ns);
+ return;
+ }
+
+ if (!dm->TextureSharingWorks()) {
+ d2d1.SetFailed(FeatureStatus::Failed,
+ "Direct3D11 device does not support texture sharing",
+ "FEATURE_FAILURE_D2D_TXT_SHARING"_ns);
+ return;
+ }
+
+ // Using Direct2D depends on DWrite support.
+ if (!DWriteEnabled() && !InitDWriteSupport()) {
+ d2d1.SetFailed(FeatureStatus::Failed,
+ "Failed to initialize DirectWrite support",
+ "FEATURE_FAILURE_D2D_DWRITE"_ns);
+ 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",
+ "FEATURE_FAILURE_D2D_CREATE_FAILED"_ns);
+ return;
+ }
+
+ MOZ_ASSERT(d2d1.IsEnabled());
+ d2d1_1.SetSuccessful();
+}
+
+void gfxWindowsPlatform::InitGPUProcessSupport() {
+ FeatureState& gpuProc = gfxConfig::GetFeature(Feature::GPU_PROCESS);
+
+ if (!gpuProc.IsEnabled()) {
+ return;
+ }
+
+ nsCString message;
+ nsCString failureId;
+ if (!gfxPlatform::IsGfxInfoStatusOkay(nsIGfxInfo::FEATURE_GPU_PROCESS,
+ &message, failureId)) {
+ gpuProc.Disable(FeatureStatus::Blocklisted, message.get(), failureId);
+ return;
+ }
+
+ if (!gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
+ // Don't use the GPU process if not using D3D11, unless software
+ // compositor is allowed
+ if (StaticPrefs::layers_gpu_process_allow_software_AtStartup()) {
+ return;
+ }
+ gpuProc.Disable(FeatureStatus::Unavailable,
+ "Not using GPU Process since D3D11 is unavailable",
+ "FEATURE_FAILURE_NO_D3D11"_ns);
+ } 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 we revert back
+ // to in-process rendering.
+ gpuProc.Disable(FeatureStatus::Unavailable,
+ "Windows 7 Pre-SP1 cannot use the GPU process",
+ "FEATURE_FAILURE_OLD_WINDOWS"_ns);
+ } 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",
+ "FEATURE_FAILURE_PLATFORM_UPDATE"_ns);
+ } 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.
+}
+
+bool gfxWindowsPlatform::DwmCompositionEnabled() {
+ MOZ_RELEASE_ASSERT(mDwmCompositionStatus != DwmCompositionStatus::Unknown);
+
+ return mDwmCompositionStatus == DwmCompositionStatus::Enabled;
+}
+
+class D3DVsyncSource final : public VsyncSource {
+ public:
+ class D3DVsyncDisplay final : public VsyncSource::Display {
+ public:
+ D3DVsyncDisplay()
+ : mPrevVsync(TimeStamp::Now()),
+ mVsyncEnabledLock("D3DVsyncEnabledLock"),
+ mVsyncEnabled(false),
+ mWaitVBlankMonitor(NULL),
+ mIsWindows8OrLater(false) {
+ mVsyncThread = new base::Thread("WindowsVsyncThread");
+ MOZ_RELEASE_ASSERT(mVsyncThread->Start(),
+ "GFX: Could not start Windows vsync thread");
+ SetVsyncRate();
+
+ mIsWindows8OrLater = IsWin8OrLater();
+ }
+
+ 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 = DwmGetCompositionTimingInfo(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(
+ "D3DVsyncDisplay::VBlankLoop", 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("D3DVsyncDisplay::VBlankLoop", 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 = DwmGetCompositionTimingInfo(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, vsync + mVsyncRate);
+
+ // 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;
+ }
+
+ HRESULT hr = E_FAIL;
+ if (mIsWindows8OrLater &&
+ !StaticPrefs::gfx_vsync_force_disable_waitforvblank()) {
+ UpdateVBlankOutput();
+ if (mWaitVBlankOutput) {
+ const TimeStamp vblank_begin_wait = TimeStamp::Now();
+ hr = mWaitVBlankOutput->WaitForVBlank();
+ if (SUCCEEDED(hr)) {
+ // vblank might return instantly when running headless,
+ // monitor powering off, etc. Since we're on a dedicated
+ // thread, instant-return should not happen in the normal
+ // case, so catch any odd behavior with a time cutoff:
+ TimeDuration vblank_wait = TimeStamp::Now() - vblank_begin_wait;
+ if (vblank_wait.ToMilliseconds() < 1.0) {
+ hr = E_FAIL; // fall back on old behavior
+ }
+ }
+ }
+ }
+ if (!SUCCEEDED(hr)) {
+ hr = DwmFlush();
+ }
+ 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
+ }
+ virtual ~D3DVsyncDisplay() { MOZ_ASSERT(NS_IsMainThread()); }
+
+ private:
+ bool IsInVsyncThread() {
+ return mVsyncThread->thread_id() == PlatformThread::CurrentId();
+ }
+
+ void UpdateVBlankOutput() {
+ HMONITOR primary_monitor =
+ MonitorFromWindow(nullptr, MONITOR_DEFAULTTOPRIMARY);
+ if (primary_monitor == mWaitVBlankMonitor && mWaitVBlankOutput) {
+ return;
+ }
+
+ mWaitVBlankMonitor = primary_monitor;
+
+ RefPtr<IDXGIOutput> output = nullptr;
+ if (DeviceManagerDx* dx = DeviceManagerDx::Get()) {
+ if (dx->GetOutputFromMonitor(mWaitVBlankMonitor, &output)) {
+ mWaitVBlankOutput = output;
+ return;
+ }
+ }
+
+ // failed to convert a monitor to an output so keep trying
+ mWaitVBlankOutput = nullptr;
+ }
+
+ TimeStamp mPrevVsync;
+ Monitor mVsyncEnabledLock;
+ base::Thread* mVsyncThread;
+ TimeDuration mVsyncRate;
+ bool mVsyncEnabled;
+
+ HMONITOR mWaitVBlankMonitor;
+ RefPtr<IDXGIOutput> mWaitVBlankOutput;
+ bool mIsWindows8OrLater;
+ }; // end d3dvsyncdisplay
+
+ D3DVsyncSource() { mPrimaryDisplay = new D3DVsyncDisplay(); }
+
+ virtual Display& GetGlobalDisplay() override { return *mPrimaryDisplay; }
+
+ private:
+ virtual ~D3DVsyncSource() = default;
+ RefPtr<D3DVsyncDisplay> mPrimaryDisplay;
+}; // end D3DVsyncSource
+
+already_AddRefed<mozilla::gfx::VsyncSource>
+gfxWindowsPlatform::CreateHardwareVsyncSource() {
+ MOZ_RELEASE_ASSERT(NS_IsMainThread(), "GFX: Not in main thread.");
+
+ if (!DwmCompositionEnabled()) {
+ NS_WARNING("DWM not enabled, falling back to software vsync");
+ return gfxPlatform::CreateHardwareVsyncSource();
+ }
+
+ RefPtr<VsyncSource> d3dVsyncSource = new D3DVsyncSource();
+ return d3dVsyncSource.forget();
+}
+
+void gfxWindowsPlatform::GetAcceleratedCompositorBackends(
+ nsTArray<LayersBackend>& aBackends) {
+ if (gfxConfig::IsEnabled(Feature::OPENGL_COMPOSITING) &&
+ StaticPrefs::layers_prefer_opengl_AtStartup()) {
+ aBackends.AppendElement(LayersBackend::LAYERS_OPENGL);
+ }
+
+ if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
+ aBackends.AppendElement(LayersBackend::LAYERS_D3D11);
+ }
+}
+
+void gfxWindowsPlatform::ImportGPUDeviceData(
+ const mozilla::gfx::GPUDeviceData& aData) {
+ MOZ_ASSERT(XRE_IsParentProcess());
+
+ gfxPlatform::ImportGPUDeviceData(aData);
+
+ gfxConfig::ImportChange(Feature::D3D11_COMPOSITING, aData.d3d11Compositing());
+
+ DeviceManagerDx* dm = DeviceManagerDx::Get();
+ if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
+ dm->ImportDeviceInfo(aData.gpuDevice().ref());
+ } 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",
+ "FEATURE_FAILURE_D2D_D3D11_COMP"_ns);
+ }
+ }
+
+ // 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::DIRECT2D, prefs.useD2D1());
+
+ if (gfxConfig::IsEnabled(Feature::D3D11_COMPOSITING)) {
+ DeviceManagerDx* dm = DeviceManagerDx::Get();
+ dm->ImportDeviceInfo(aData.d3d11());
+ }
+
+ // aData->cmsOutputProfileData() will be read during color profile init,
+ // not as part of this import function
+}
+
+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().useD2D1() = gfxConfig::GetValue(Feature::DIRECT2D);
+
+ if (d3d11.IsEnabled()) {
+ DeviceManagerDx* dm = DeviceManagerDx::Get();
+ dm->ExportDeviceInfo(&aOut->d3d11());
+ }
+
+ aOut->cmsOutputProfileData() =
+ gfxPlatform::GetPlatform()->GetPlatformCMSOutputProfileData();
+}
+
+bool gfxWindowsPlatform::CheckVariationFontSupport() {
+ // Variation font support is only available on Fall Creators Update or later.
+ return IsWin10FallCreatorsUpdateOrLater();
+}
+
+void gfxWindowsPlatform::GetPlatformDisplayInfo(
+ mozilla::widget::InfoObject& aObj) {
+ HwStretchingSupport stretch;
+ DeviceManagerDx::Get()->CheckHardwareStretchingSupport(stretch);
+
+ nsPrintfCString stretchValue(
+ "both=%u window-only=%u full-screen-only=%u none=%u error=%u",
+ stretch.mBoth, stretch.mWindowOnly, stretch.mFullScreenOnly,
+ stretch.mNone, stretch.mError);
+ aObj.DefineProperty("HardwareStretching", stretchValue.get());
+
+ ScaledResolutionSet scaled;
+ GetScaledResolutions(scaled);
+ if (scaled.IsEmpty()) {
+ return;
+ }
+
+ aObj.DefineProperty("ScaledResolutionCount", scaled.Length());
+ for (size_t i = 0; i < scaled.Length(); ++i) {
+ auto& s = scaled[i];
+ nsPrintfCString name("ScaledResolution%zu", i);
+ nsPrintfCString value("source %dx%d, target %dx%d", s.first.width,
+ s.first.height, s.second.width, s.second.height);
+ aObj.DefineProperty(name.get(), value.get());
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 08:45:07 +0000