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-rw-r--r--widget/GfxInfoBase.cpp2219
1 files changed, 2219 insertions, 0 deletions
diff --git a/widget/GfxInfoBase.cpp b/widget/GfxInfoBase.cpp
new file mode 100644
index 0000000000..3e32ffbe15
--- /dev/null
+++ b/widget/GfxInfoBase.cpp
@@ -0,0 +1,2219 @@
+/* vim: se cin sw=2 ts=2 et : */
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * 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 "mozilla/ArrayUtils.h"
+
+#include "GfxInfoBase.h"
+
+#include <mutex> // std::call_once
+
+#include "GfxDriverInfo.h"
+#include "js/Array.h" // JS::GetArrayLength, JS::NewArrayObject
+#include "js/PropertyAndElement.h" // JS_SetElement, JS_SetProperty
+#include "nsCOMPtr.h"
+#include "nsCOMArray.h"
+#include "nsString.h"
+#include "nsUnicharUtils.h"
+#include "nsVersionComparator.h"
+#include "mozilla/Services.h"
+#include "mozilla/Observer.h"
+#include "nsIObserver.h"
+#include "nsIObserverService.h"
+#include "nsTArray.h"
+#include "nsXULAppAPI.h"
+#include "nsIXULAppInfo.h"
+#include "mozilla/BinarySearch.h"
+#include "mozilla/ClearOnShutdown.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/StaticPrefs_gfx.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/BuildConstants.h"
+#include "mozilla/gfx/GPUProcessManager.h"
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/gfx/gfxVars.h"
+#include "mozilla/widget/ScreenManager.h"
+#include "mozilla/widget/Screen.h"
+
+#include "jsapi.h"
+
+#include "gfxPlatform.h"
+#include "gfxConfig.h"
+#include "DriverCrashGuard.h"
+
+#ifdef MOZ_WIDGET_ANDROID
+# include <set>
+# include "AndroidBuild.h"
+#endif
+
+using namespace mozilla::widget;
+using namespace mozilla;
+using mozilla::MutexAutoLock;
+
+nsTArray<GfxDriverInfo>* GfxInfoBase::sDriverInfo;
+StaticAutoPtr<nsTArray<gfx::GfxInfoFeatureStatus>> GfxInfoBase::sFeatureStatus;
+bool GfxInfoBase::sDriverInfoObserverInitialized;
+bool GfxInfoBase::sShutdownOccurred;
+
+// Call this when setting sFeatureStatus to a non-null pointer to
+// ensure destruction even if the GfxInfo component is never instantiated.
+static void InitFeatureStatus(nsTArray<gfx::GfxInfoFeatureStatus>* aPtr) {
+ static std::once_flag sOnce;
+ std::call_once(sOnce, [] { ClearOnShutdown(&GfxInfoBase::sFeatureStatus); });
+ GfxInfoBase::sFeatureStatus = aPtr;
+}
+
+// Observes for shutdown so that the child GfxDriverInfo list is freed.
+class ShutdownObserver : public nsIObserver {
+ virtual ~ShutdownObserver() = default;
+
+ public:
+ ShutdownObserver() = default;
+
+ NS_DECL_ISUPPORTS
+
+ NS_IMETHOD Observe(nsISupports* subject, const char* aTopic,
+ const char16_t* aData) override {
+ MOZ_ASSERT(strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID) == 0);
+
+ delete GfxInfoBase::sDriverInfo;
+ GfxInfoBase::sDriverInfo = nullptr;
+
+ for (auto& deviceFamily : GfxDriverInfo::sDeviceFamilies) {
+ delete deviceFamily;
+ deviceFamily = nullptr;
+ }
+
+ for (auto& windowProtocol : GfxDriverInfo::sWindowProtocol) {
+ delete windowProtocol;
+ windowProtocol = nullptr;
+ }
+
+ for (auto& deviceVendor : GfxDriverInfo::sDeviceVendors) {
+ delete deviceVendor;
+ deviceVendor = nullptr;
+ }
+
+ for (auto& driverVendor : GfxDriverInfo::sDriverVendors) {
+ delete driverVendor;
+ driverVendor = nullptr;
+ }
+
+ GfxInfoBase::sShutdownOccurred = true;
+
+ return NS_OK;
+ }
+};
+
+NS_IMPL_ISUPPORTS(ShutdownObserver, nsIObserver)
+
+static void InitGfxDriverInfoShutdownObserver() {
+ if (GfxInfoBase::sDriverInfoObserverInitialized) return;
+
+ GfxInfoBase::sDriverInfoObserverInitialized = true;
+
+ nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
+ if (!observerService) {
+ NS_WARNING("Could not get observer service!");
+ return;
+ }
+
+ ShutdownObserver* obs = new ShutdownObserver();
+ observerService->AddObserver(obs, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false);
+}
+
+using namespace mozilla::widget;
+using namespace mozilla::gfx;
+using namespace mozilla;
+
+NS_IMPL_ISUPPORTS(GfxInfoBase, nsIGfxInfo, nsIObserver,
+ nsISupportsWeakReference)
+
+#define BLOCKLIST_PREF_BRANCH "gfx.blacklist."
+#define SUGGESTED_VERSION_PREF BLOCKLIST_PREF_BRANCH "suggested-driver-version"
+
+static const char* GetPrefNameForFeature(int32_t aFeature) {
+ const char* name = nullptr;
+ switch (aFeature) {
+ case nsIGfxInfo::FEATURE_DIRECT2D:
+ name = BLOCKLIST_PREF_BRANCH "direct2d";
+ break;
+ case nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS:
+ name = BLOCKLIST_PREF_BRANCH "layers.direct3d9";
+ break;
+ case nsIGfxInfo::FEATURE_DIRECT3D_10_LAYERS:
+ name = BLOCKLIST_PREF_BRANCH "layers.direct3d10";
+ break;
+ case nsIGfxInfo::FEATURE_DIRECT3D_10_1_LAYERS:
+ name = BLOCKLIST_PREF_BRANCH "layers.direct3d10-1";
+ break;
+ case nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS:
+ name = BLOCKLIST_PREF_BRANCH "layers.direct3d11";
+ break;
+ case nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE:
+ name = BLOCKLIST_PREF_BRANCH "direct3d11angle";
+ break;
+ case nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING:
+ name = BLOCKLIST_PREF_BRANCH "hardwarevideodecoding";
+ break;
+ case nsIGfxInfo::FEATURE_OPENGL_LAYERS:
+ name = BLOCKLIST_PREF_BRANCH "layers.opengl";
+ break;
+ case nsIGfxInfo::FEATURE_WEBGL_OPENGL:
+ name = BLOCKLIST_PREF_BRANCH "webgl.opengl";
+ break;
+ case nsIGfxInfo::FEATURE_WEBGL_ANGLE:
+ name = BLOCKLIST_PREF_BRANCH "webgl.angle";
+ break;
+ case nsIGfxInfo::UNUSED_FEATURE_WEBGL_MSAA:
+ name = BLOCKLIST_PREF_BRANCH "webgl.msaa";
+ break;
+ case nsIGfxInfo::FEATURE_STAGEFRIGHT:
+ name = BLOCKLIST_PREF_BRANCH "stagefright";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_H264:
+ name = BLOCKLIST_PREF_BRANCH "webrtc.hw.acceleration.h264";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_ENCODE:
+ name = BLOCKLIST_PREF_BRANCH "webrtc.hw.acceleration.encode";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_DECODE:
+ name = BLOCKLIST_PREF_BRANCH "webrtc.hw.acceleration.decode";
+ break;
+ case nsIGfxInfo::FEATURE_CANVAS2D_ACCELERATION:
+ name = BLOCKLIST_PREF_BRANCH "canvas2d.acceleration";
+ break;
+ case nsIGfxInfo::FEATURE_DX_INTEROP2:
+ name = BLOCKLIST_PREF_BRANCH "dx.interop2";
+ break;
+ case nsIGfxInfo::FEATURE_GPU_PROCESS:
+ name = BLOCKLIST_PREF_BRANCH "gpu.process";
+ break;
+ case nsIGfxInfo::FEATURE_WEBGL2:
+ name = BLOCKLIST_PREF_BRANCH "webgl2";
+ break;
+ case nsIGfxInfo::FEATURE_D3D11_KEYED_MUTEX:
+ name = BLOCKLIST_PREF_BRANCH "d3d11.keyed.mutex";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRENDER:
+ name = BLOCKLIST_PREF_BRANCH "webrender";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR:
+ name = BLOCKLIST_PREF_BRANCH "webrender.compositor";
+ break;
+ case nsIGfxInfo::FEATURE_DX_NV12:
+ name = BLOCKLIST_PREF_BRANCH "dx.nv12";
+ break;
+ case nsIGfxInfo::FEATURE_DX_P010:
+ name = BLOCKLIST_PREF_BRANCH "dx.p010";
+ break;
+ case nsIGfxInfo::FEATURE_DX_P016:
+ name = BLOCKLIST_PREF_BRANCH "dx.p016";
+ break;
+ case nsIGfxInfo::FEATURE_VP8_HW_DECODE:
+ name = BLOCKLIST_PREF_BRANCH "vp8.hw-decode";
+ break;
+ case nsIGfxInfo::FEATURE_VP9_HW_DECODE:
+ name = BLOCKLIST_PREF_BRANCH "vp9.hw-decode";
+ break;
+ case nsIGfxInfo::FEATURE_GL_SWIZZLE:
+ name = BLOCKLIST_PREF_BRANCH "gl.swizzle";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS:
+ name = BLOCKLIST_PREF_BRANCH "webrender.scissored_cache_clears";
+ break;
+ case nsIGfxInfo::FEATURE_ALLOW_WEBGL_OUT_OF_PROCESS:
+ name = BLOCKLIST_PREF_BRANCH "webgl.allow-oop";
+ break;
+ case nsIGfxInfo::FEATURE_THREADSAFE_GL:
+ name = BLOCKLIST_PREF_BRANCH "gl.threadsafe";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRENDER_OPTIMIZED_SHADERS:
+ name = BLOCKLIST_PREF_BRANCH "webrender.optimized-shaders";
+ break;
+ case nsIGfxInfo::FEATURE_X11_EGL:
+ name = BLOCKLIST_PREF_BRANCH "x11.egl";
+ break;
+ case nsIGfxInfo::FEATURE_DMABUF:
+ name = BLOCKLIST_PREF_BRANCH "dmabuf";
+ break;
+ case nsIGfxInfo::FEATURE_WEBGPU:
+ name = BLOCKLIST_PREF_BRANCH "webgpu";
+ break;
+ case nsIGfxInfo::FEATURE_VIDEO_OVERLAY:
+ name = BLOCKLIST_PREF_BRANCH "video-overlay";
+ break;
+ case nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY:
+ name = BLOCKLIST_PREF_BRANCH "hw-video-zero-copy";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRENDER_SHADER_CACHE:
+ name = BLOCKLIST_PREF_BRANCH "webrender.program-binary-disk";
+ break;
+ case nsIGfxInfo::FEATURE_WEBRENDER_PARTIAL_PRESENT:
+ name = BLOCKLIST_PREF_BRANCH "webrender.partial-present";
+ break;
+ case nsIGfxInfo::FEATURE_DMABUF_SURFACE_EXPORT:
+ name = BLOCKLIST_PREF_BRANCH "dmabuf.surface-export";
+ break;
+ case nsIGfxInfo::FEATURE_REUSE_DECODER_DEVICE:
+ name = BLOCKLIST_PREF_BRANCH "reuse-decoder-device";
+ break;
+ case nsIGfxInfo::FEATURE_BACKDROP_FILTER:
+ name = BLOCKLIST_PREF_BRANCH "backdrop.filter";
+ break;
+ case nsIGfxInfo::FEATURE_ACCELERATED_CANVAS2D:
+ name = BLOCKLIST_PREF_BRANCH "accelerated-canvas2d";
+ break;
+ case nsIGfxInfo::FEATURE_H264_HW_DECODE:
+ name = BLOCKLIST_PREF_BRANCH "h264.hw-decode";
+ break;
+ case nsIGfxInfo::FEATURE_AV1_HW_DECODE:
+ name = BLOCKLIST_PREF_BRANCH "av1.hw-decode";
+ break;
+ case nsIGfxInfo::FEATURE_VIDEO_SOFTWARE_OVERLAY:
+ name = BLOCKLIST_PREF_BRANCH "video-software-overlay";
+ break;
+ case nsIGfxInfo::FEATURE_WEBGL_USE_HARDWARE:
+ name = BLOCKLIST_PREF_BRANCH "webgl-use-hardware";
+ break;
+ default:
+ MOZ_ASSERT_UNREACHABLE("Unexpected nsIGfxInfo feature?!");
+ break;
+ }
+
+ return name;
+}
+
+// Returns the value of the pref for the relevant feature in aValue.
+// If the pref doesn't exist, aValue is not touched, and returns false.
+static bool GetPrefValueForFeature(int32_t aFeature, int32_t& aValue,
+ nsACString& aFailureId) {
+ const char* prefname = GetPrefNameForFeature(aFeature);
+ if (!prefname) return false;
+
+ aValue = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
+ if (!NS_SUCCEEDED(Preferences::GetInt(prefname, &aValue))) {
+ return false;
+ }
+
+ if (aValue == nsIGfxInfo::FEATURE_DENIED) {
+ // We should never see the DENIED status with the downloadable blocklist.
+ return false;
+ }
+
+ nsCString failureprefname(prefname);
+ failureprefname += ".failureid";
+ nsAutoCString failureValue;
+ nsresult rv = Preferences::GetCString(failureprefname.get(), failureValue);
+ if (NS_SUCCEEDED(rv)) {
+ aFailureId = failureValue.get();
+ } else {
+ aFailureId = "FEATURE_FAILURE_BLOCKLIST_PREF";
+ }
+
+ return true;
+}
+
+static void SetPrefValueForFeature(int32_t aFeature, int32_t aValue,
+ const nsACString& aFailureId) {
+ const char* prefname = GetPrefNameForFeature(aFeature);
+ if (!prefname) return;
+ if (XRE_IsParentProcess()) {
+ GfxInfoBase::sFeatureStatus = nullptr;
+ }
+
+ Preferences::SetInt(prefname, aValue);
+ if (!aFailureId.IsEmpty()) {
+ nsAutoCString failureprefname(prefname);
+ failureprefname += ".failureid";
+ Preferences::SetCString(failureprefname.get(), aFailureId);
+ }
+}
+
+static void RemovePrefForFeature(int32_t aFeature) {
+ const char* prefname = GetPrefNameForFeature(aFeature);
+ if (!prefname) return;
+
+ if (XRE_IsParentProcess()) {
+ GfxInfoBase::sFeatureStatus = nullptr;
+ }
+ Preferences::ClearUser(prefname);
+}
+
+static bool GetPrefValueForDriverVersion(nsCString& aVersion) {
+ return NS_SUCCEEDED(
+ Preferences::GetCString(SUGGESTED_VERSION_PREF, aVersion));
+}
+
+static void SetPrefValueForDriverVersion(const nsAString& aVersion) {
+ Preferences::SetString(SUGGESTED_VERSION_PREF, aVersion);
+}
+
+static void RemovePrefForDriverVersion() {
+ Preferences::ClearUser(SUGGESTED_VERSION_PREF);
+}
+
+static OperatingSystem BlocklistOSToOperatingSystem(const nsAString& os) {
+ if (os.EqualsLiteral("WINNT 6.1")) {
+ return OperatingSystem::Windows7;
+ }
+ if (os.EqualsLiteral("WINNT 6.2")) {
+ return OperatingSystem::Windows8;
+ }
+ if (os.EqualsLiteral("WINNT 6.3")) {
+ return OperatingSystem::Windows8_1;
+ }
+ if (os.EqualsLiteral("WINNT 10.0")) {
+ return OperatingSystem::Windows10;
+ }
+ if (os.EqualsLiteral("Linux")) {
+ return OperatingSystem::Linux;
+ }
+ if (os.EqualsLiteral("Darwin 9")) {
+ return OperatingSystem::OSX10_5;
+ }
+ if (os.EqualsLiteral("Darwin 10")) {
+ return OperatingSystem::OSX10_6;
+ }
+ if (os.EqualsLiteral("Darwin 11")) {
+ return OperatingSystem::OSX10_7;
+ }
+ if (os.EqualsLiteral("Darwin 12")) {
+ return OperatingSystem::OSX10_8;
+ }
+ if (os.EqualsLiteral("Darwin 13")) {
+ return OperatingSystem::OSX10_9;
+ }
+ if (os.EqualsLiteral("Darwin 14")) {
+ return OperatingSystem::OSX10_10;
+ }
+ if (os.EqualsLiteral("Darwin 15")) {
+ return OperatingSystem::OSX10_11;
+ }
+ if (os.EqualsLiteral("Darwin 16")) {
+ return OperatingSystem::OSX10_12;
+ }
+ if (os.EqualsLiteral("Darwin 17")) {
+ return OperatingSystem::OSX10_13;
+ }
+ if (os.EqualsLiteral("Darwin 18")) {
+ return OperatingSystem::OSX10_14;
+ }
+ if (os.EqualsLiteral("Darwin 19")) {
+ return OperatingSystem::OSX10_15;
+ }
+ if (os.EqualsLiteral("Darwin 20")) {
+ return OperatingSystem::OSX11_0;
+ }
+ if (os.EqualsLiteral("Android")) {
+ return OperatingSystem::Android;
+ // For historical reasons, "All" in blocklist means "All Windows"
+ }
+ if (os.EqualsLiteral("All")) {
+ return OperatingSystem::Windows;
+ }
+ if (os.EqualsLiteral("Darwin")) {
+ return OperatingSystem::OSX;
+ }
+
+ return OperatingSystem::Unknown;
+}
+
+static GfxDeviceFamily* BlocklistDevicesToDeviceFamily(
+ nsTArray<nsCString>& devices) {
+ if (devices.Length() == 0) return nullptr;
+
+ // For each device, get its device ID, and return a freshly-allocated
+ // GfxDeviceFamily with the contents of that array.
+ GfxDeviceFamily* deviceIds = new GfxDeviceFamily;
+
+ for (uint32_t i = 0; i < devices.Length(); ++i) {
+ // We make sure we don't add any "empty" device entries to the array, so
+ // we don't need to check if devices[i] is empty.
+ deviceIds->Append(NS_ConvertUTF8toUTF16(devices[i]));
+ }
+
+ return deviceIds;
+}
+
+static int32_t BlocklistFeatureToGfxFeature(const nsAString& aFeature) {
+ MOZ_ASSERT(!aFeature.IsEmpty());
+ if (aFeature.EqualsLiteral("DIRECT2D")) {
+ return nsIGfxInfo::FEATURE_DIRECT2D;
+ }
+ if (aFeature.EqualsLiteral("DIRECT3D_9_LAYERS")) {
+ return nsIGfxInfo::FEATURE_DIRECT3D_9_LAYERS;
+ }
+ if (aFeature.EqualsLiteral("DIRECT3D_10_LAYERS")) {
+ return nsIGfxInfo::FEATURE_DIRECT3D_10_LAYERS;
+ }
+ if (aFeature.EqualsLiteral("DIRECT3D_10_1_LAYERS")) {
+ return nsIGfxInfo::FEATURE_DIRECT3D_10_1_LAYERS;
+ }
+ if (aFeature.EqualsLiteral("DIRECT3D_11_LAYERS")) {
+ return nsIGfxInfo::FEATURE_DIRECT3D_11_LAYERS;
+ }
+ if (aFeature.EqualsLiteral("DIRECT3D_11_ANGLE")) {
+ return nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE;
+ }
+ if (aFeature.EqualsLiteral("HARDWARE_VIDEO_DECODING")) {
+ return nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING;
+ }
+ if (aFeature.EqualsLiteral("OPENGL_LAYERS")) {
+ return nsIGfxInfo::FEATURE_OPENGL_LAYERS;
+ }
+ if (aFeature.EqualsLiteral("WEBGL_OPENGL")) {
+ return nsIGfxInfo::FEATURE_WEBGL_OPENGL;
+ }
+ if (aFeature.EqualsLiteral("WEBGL_ANGLE")) {
+ return nsIGfxInfo::FEATURE_WEBGL_ANGLE;
+ }
+ if (aFeature.EqualsLiteral("WEBGL_MSAA")) {
+ return nsIGfxInfo::UNUSED_FEATURE_WEBGL_MSAA;
+ }
+ if (aFeature.EqualsLiteral("STAGEFRIGHT")) {
+ return nsIGfxInfo::FEATURE_STAGEFRIGHT;
+ }
+ if (aFeature.EqualsLiteral("WEBRTC_HW_ACCELERATION_ENCODE")) {
+ return nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_ENCODE;
+ }
+ if (aFeature.EqualsLiteral("WEBRTC_HW_ACCELERATION_DECODE")) {
+ return nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_DECODE;
+ }
+ if (aFeature.EqualsLiteral("WEBRTC_HW_ACCELERATION_H264")) {
+ return nsIGfxInfo::FEATURE_WEBRTC_HW_ACCELERATION_H264;
+ }
+ if (aFeature.EqualsLiteral("CANVAS2D_ACCELERATION")) {
+ return nsIGfxInfo::FEATURE_CANVAS2D_ACCELERATION;
+ }
+ if (aFeature.EqualsLiteral("DX_INTEROP2")) {
+ return nsIGfxInfo::FEATURE_DX_INTEROP2;
+ }
+ if (aFeature.EqualsLiteral("GPU_PROCESS")) {
+ return nsIGfxInfo::FEATURE_GPU_PROCESS;
+ }
+ if (aFeature.EqualsLiteral("WEBGL2")) {
+ return nsIGfxInfo::FEATURE_WEBGL2;
+ }
+ if (aFeature.EqualsLiteral("D3D11_KEYED_MUTEX")) {
+ return nsIGfxInfo::FEATURE_D3D11_KEYED_MUTEX;
+ }
+ if (aFeature.EqualsLiteral("WEBRENDER")) {
+ return nsIGfxInfo::FEATURE_WEBRENDER;
+ }
+ if (aFeature.EqualsLiteral("WEBRENDER_COMPOSITOR")) {
+ return nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR;
+ }
+ if (aFeature.EqualsLiteral("DX_NV12")) {
+ return nsIGfxInfo::FEATURE_DX_NV12;
+ }
+ if (aFeature.EqualsLiteral("VP8_HW_DECODE")) {
+ return nsIGfxInfo::FEATURE_VP8_HW_DECODE;
+ }
+ if (aFeature.EqualsLiteral("VP9_HW_DECODE")) {
+ return nsIGfxInfo::FEATURE_VP9_HW_DECODE;
+ }
+ if (aFeature.EqualsLiteral("GL_SWIZZLE")) {
+ return nsIGfxInfo::FEATURE_GL_SWIZZLE;
+ }
+ if (aFeature.EqualsLiteral("WEBRENDER_SCISSORED_CACHE_CLEARS")) {
+ return nsIGfxInfo::FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS;
+ }
+ if (aFeature.EqualsLiteral("ALLOW_WEBGL_OUT_OF_PROCESS")) {
+ return nsIGfxInfo::FEATURE_ALLOW_WEBGL_OUT_OF_PROCESS;
+ }
+ if (aFeature.EqualsLiteral("THREADSAFE_GL")) {
+ return nsIGfxInfo::FEATURE_THREADSAFE_GL;
+ }
+ if (aFeature.EqualsLiteral("X11_EGL")) {
+ return nsIGfxInfo::FEATURE_X11_EGL;
+ }
+ if (aFeature.EqualsLiteral("DMABUF")) {
+ return nsIGfxInfo::FEATURE_DMABUF;
+ }
+ if (aFeature.EqualsLiteral("WEBGPU")) {
+ return nsIGfxInfo::FEATURE_WEBGPU;
+ }
+ if (aFeature.EqualsLiteral("VIDEO_OVERLAY")) {
+ return nsIGfxInfo::FEATURE_VIDEO_OVERLAY;
+ }
+ if (aFeature.EqualsLiteral("HW_DECODED_VIDEO_ZERO_COPY")) {
+ return nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY;
+ }
+ if (aFeature.EqualsLiteral("REUSE_DECODER_DEVICE")) {
+ return nsIGfxInfo::FEATURE_REUSE_DECODER_DEVICE;
+ }
+ if (aFeature.EqualsLiteral("WEBRENDER_PARTIAL_PRESENT")) {
+ return nsIGfxInfo::FEATURE_WEBRENDER_PARTIAL_PRESENT;
+ }
+ if (aFeature.EqualsLiteral("BACKDROP_FILTER")) {
+ return nsIGfxInfo::FEATURE_BACKDROP_FILTER;
+ }
+ if (aFeature.EqualsLiteral("ACCELERATED_CANVAS2D")) {
+ return nsIGfxInfo::FEATURE_ACCELERATED_CANVAS2D;
+ }
+ if (aFeature.EqualsLiteral("ALL")) {
+ return GfxDriverInfo::allFeatures;
+ }
+ if (aFeature.EqualsLiteral("OPTIONAL")) {
+ return GfxDriverInfo::optionalFeatures;
+ }
+
+ // If we don't recognize the feature, it may be new, and something
+ // this version doesn't understand. So, nothing to do. This is
+ // different from feature not being specified at all, in which case
+ // this method should not get called and we should continue with the
+ // "optional features" blocklisting.
+ return 0;
+}
+
+static int32_t BlocklistFeatureStatusToGfxFeatureStatus(
+ const nsAString& aStatus) {
+ if (aStatus.EqualsLiteral("STATUS_OK")) {
+ return nsIGfxInfo::FEATURE_STATUS_OK;
+ }
+ if (aStatus.EqualsLiteral("BLOCKED_DRIVER_VERSION")) {
+ return nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION;
+ }
+ if (aStatus.EqualsLiteral("BLOCKED_DEVICE")) {
+ return nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+ }
+ if (aStatus.EqualsLiteral("DISCOURAGED")) {
+ return nsIGfxInfo::FEATURE_DISCOURAGED;
+ }
+ if (aStatus.EqualsLiteral("BLOCKED_OS_VERSION")) {
+ return nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION;
+ }
+ if (aStatus.EqualsLiteral("DENIED")) {
+ return nsIGfxInfo::FEATURE_DENIED;
+ }
+ if (aStatus.EqualsLiteral("ALLOW_QUALIFIED")) {
+ return nsIGfxInfo::FEATURE_ALLOW_QUALIFIED;
+ }
+ if (aStatus.EqualsLiteral("ALLOW_ALWAYS")) {
+ return nsIGfxInfo::FEATURE_ALLOW_ALWAYS;
+ }
+
+ // Do not allow it to set STATUS_UNKNOWN. Also, we are not
+ // expecting the "mismatch" status showing up here.
+
+ return nsIGfxInfo::FEATURE_STATUS_OK;
+}
+
+static VersionComparisonOp BlocklistComparatorToComparisonOp(
+ const nsAString& op) {
+ if (op.EqualsLiteral("LESS_THAN")) {
+ return DRIVER_LESS_THAN;
+ }
+ if (op.EqualsLiteral("BUILD_ID_LESS_THAN")) {
+ return DRIVER_BUILD_ID_LESS_THAN;
+ }
+ if (op.EqualsLiteral("LESS_THAN_OR_EQUAL")) {
+ return DRIVER_LESS_THAN_OR_EQUAL;
+ }
+ if (op.EqualsLiteral("BUILD_ID_LESS_THAN_OR_EQUAL")) {
+ return DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL;
+ }
+ if (op.EqualsLiteral("GREATER_THAN")) {
+ return DRIVER_GREATER_THAN;
+ }
+ if (op.EqualsLiteral("GREATER_THAN_OR_EQUAL")) {
+ return DRIVER_GREATER_THAN_OR_EQUAL;
+ }
+ if (op.EqualsLiteral("EQUAL")) {
+ return DRIVER_EQUAL;
+ }
+ if (op.EqualsLiteral("NOT_EQUAL")) {
+ return DRIVER_NOT_EQUAL;
+ }
+ if (op.EqualsLiteral("BETWEEN_EXCLUSIVE")) {
+ return DRIVER_BETWEEN_EXCLUSIVE;
+ }
+ if (op.EqualsLiteral("BETWEEN_INCLUSIVE")) {
+ return DRIVER_BETWEEN_INCLUSIVE;
+ }
+ if (op.EqualsLiteral("BETWEEN_INCLUSIVE_START")) {
+ return DRIVER_BETWEEN_INCLUSIVE_START;
+ }
+
+ return DRIVER_COMPARISON_IGNORED;
+}
+
+/*
+ Deserialize Blocklist entries from string.
+ e.g:
+ os:WINNT 6.0\tvendor:0x8086\tdevices:0x2582,0x2782\tfeature:DIRECT3D_10_LAYERS\tfeatureStatus:BLOCKED_DRIVER_VERSION\tdriverVersion:8.52.322.2202\tdriverVersionComparator:LESS_THAN_OR_EQUAL
+*/
+static bool BlocklistEntryToDriverInfo(const nsACString& aBlocklistEntry,
+ GfxDriverInfo& aDriverInfo) {
+ // If we get an application version to be zero, something is not working
+ // and we are not going to bother checking the blocklist versions.
+ // See TestGfxWidgets.cpp for how version comparison works.
+ // <versionRange minVersion="42.0a1" maxVersion="45.0"></versionRange>
+ static mozilla::Version zeroV("0");
+ static mozilla::Version appV(GfxInfoBase::GetApplicationVersion().get());
+ if (appV <= zeroV) {
+ gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false))
+ << "Invalid application version "
+ << GfxInfoBase::GetApplicationVersion().get();
+ }
+
+ aDriverInfo.mRuleId = "FEATURE_FAILURE_DL_BLOCKLIST_NO_ID"_ns;
+
+ for (const auto& keyValue : aBlocklistEntry.Split('\t')) {
+ nsTArray<nsCString> splitted;
+ ParseString(keyValue, ':', splitted);
+ if (splitted.Length() != 2) {
+ // If we don't recognize the input data, we do not want to proceed.
+ gfxCriticalErrorOnce(CriticalLog::DefaultOptions(false))
+ << "Unrecognized data " << nsCString(keyValue).get();
+ return false;
+ }
+ const nsCString& key = splitted[0];
+ const nsCString& value = splitted[1];
+ NS_ConvertUTF8toUTF16 dataValue(value);
+
+ if (value.Length() == 0) {
+ // Safety check for empty values.
+ gfxCriticalErrorOnce(CriticalLog::DefaultOptions(false))
+ << "Empty value for " << key.get();
+ return false;
+ }
+
+ if (key.EqualsLiteral("blockID")) {
+ nsCString blockIdStr = "FEATURE_FAILURE_DL_BLOCKLIST_"_ns + value;
+ aDriverInfo.mRuleId = blockIdStr.get();
+ } else if (key.EqualsLiteral("os")) {
+ aDriverInfo.mOperatingSystem = BlocklistOSToOperatingSystem(dataValue);
+ } else if (key.EqualsLiteral("osversion")) {
+ aDriverInfo.mOperatingSystemVersion = strtoul(value.get(), nullptr, 10);
+ } else if (key.EqualsLiteral("windowProtocol")) {
+ aDriverInfo.mWindowProtocol = dataValue;
+ } else if (key.EqualsLiteral("vendor")) {
+ aDriverInfo.mAdapterVendor = dataValue;
+ } else if (key.EqualsLiteral("driverVendor")) {
+ aDriverInfo.mDriverVendor = dataValue;
+ } else if (key.EqualsLiteral("feature")) {
+ aDriverInfo.mFeature = BlocklistFeatureToGfxFeature(dataValue);
+ if (aDriverInfo.mFeature == 0) {
+ // If we don't recognize the feature, we do not want to proceed.
+ gfxWarning() << "Unrecognized feature " << value.get();
+ return false;
+ }
+ } else if (key.EqualsLiteral("featureStatus")) {
+ aDriverInfo.mFeatureStatus =
+ BlocklistFeatureStatusToGfxFeatureStatus(dataValue);
+ } else if (key.EqualsLiteral("driverVersion")) {
+ uint64_t version;
+ if (ParseDriverVersion(dataValue, &version))
+ aDriverInfo.mDriverVersion = version;
+ } else if (key.EqualsLiteral("driverVersionMax")) {
+ uint64_t version;
+ if (ParseDriverVersion(dataValue, &version))
+ aDriverInfo.mDriverVersionMax = version;
+ } else if (key.EqualsLiteral("driverVersionComparator")) {
+ aDriverInfo.mComparisonOp = BlocklistComparatorToComparisonOp(dataValue);
+ } else if (key.EqualsLiteral("model")) {
+ aDriverInfo.mModel = dataValue;
+ } else if (key.EqualsLiteral("product")) {
+ aDriverInfo.mProduct = dataValue;
+ } else if (key.EqualsLiteral("manufacturer")) {
+ aDriverInfo.mManufacturer = dataValue;
+ } else if (key.EqualsLiteral("hardware")) {
+ aDriverInfo.mHardware = dataValue;
+ } else if (key.EqualsLiteral("versionRange")) {
+ nsTArray<nsCString> versionRange;
+ ParseString(value, ',', versionRange);
+ if (versionRange.Length() != 2) {
+ gfxCriticalErrorOnce(CriticalLog::DefaultOptions(false))
+ << "Unrecognized versionRange " << value.get();
+ return false;
+ }
+ const nsCString& minValue = versionRange[0];
+ const nsCString& maxValue = versionRange[1];
+
+ mozilla::Version minV(minValue.get());
+ mozilla::Version maxV(maxValue.get());
+
+ if (minV > zeroV && !(appV >= minV)) {
+ // The version of the application is less than the minimal version
+ // this blocklist entry applies to, so we can just ignore it by
+ // returning false and letting the caller deal with it.
+ return false;
+ }
+ if (maxV > zeroV && !(appV <= maxV)) {
+ // The version of the application is more than the maximal version
+ // this blocklist entry applies to, so we can just ignore it by
+ // returning false and letting the caller deal with it.
+ return false;
+ }
+ } else if (key.EqualsLiteral("devices")) {
+ nsTArray<nsCString> devices;
+ ParseString(value, ',', devices);
+ GfxDeviceFamily* deviceIds = BlocklistDevicesToDeviceFamily(devices);
+ if (deviceIds) {
+ // Get GfxDriverInfo to adopt the devices array we created.
+ aDriverInfo.mDeleteDevices = true;
+ aDriverInfo.mDevices = deviceIds;
+ }
+ }
+ // We explicitly ignore unknown elements.
+ }
+
+ return true;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::Observe(nsISupports* aSubject, const char* aTopic,
+ const char16_t* aData) {
+ if (strcmp(aTopic, "blocklist-data-gfxItems") == 0) {
+ nsTArray<GfxDriverInfo> driverInfo;
+ NS_ConvertUTF16toUTF8 utf8Data(aData);
+
+ for (const auto& blocklistEntry : utf8Data.Split('\n')) {
+ GfxDriverInfo di;
+ if (BlocklistEntryToDriverInfo(blocklistEntry, di)) {
+ // XXX Changing this to driverInfo.AppendElement(di) causes leaks.
+ // Probably some non-standard semantics of the copy/move operations?
+ *driverInfo.AppendElement() = di;
+ // Prevent di falling out of scope from destroying the devices.
+ di.mDeleteDevices = false;
+ } else {
+ driverInfo.AppendElement();
+ }
+ }
+
+ EvaluateDownloadedBlocklist(driverInfo);
+ }
+
+ return NS_OK;
+}
+
+GfxInfoBase::GfxInfoBase() : mScreenPixels(INT64_MAX), mMutex("GfxInfoBase") {}
+
+GfxInfoBase::~GfxInfoBase() = default;
+
+nsresult GfxInfoBase::Init() {
+ InitGfxDriverInfoShutdownObserver();
+
+ nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
+ if (os) {
+ os->AddObserver(this, "blocklist-data-gfxItems", true);
+ }
+
+ return NS_OK;
+}
+
+void GfxInfoBase::GetData() {
+ if (mScreenPixels != INT64_MAX) {
+ // Already initialized.
+ return;
+ }
+
+ ScreenManager::GetSingleton().GetTotalScreenPixels(&mScreenPixels);
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetFeatureStatus(int32_t aFeature, nsACString& aFailureId,
+ int32_t* aStatus) {
+ // Ignore the gfx.blocklist.all pref on release and beta.
+#if defined(RELEASE_OR_BETA)
+ int32_t blocklistAll = 0;
+#else
+ int32_t blocklistAll = StaticPrefs::gfx_blocklist_all_AtStartup();
+#endif
+ if (blocklistAll > 0) {
+ gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false))
+ << "Forcing blocklisting all features";
+ *aStatus = FEATURE_BLOCKED_DEVICE;
+ aFailureId = "FEATURE_FAILURE_BLOCK_ALL";
+ return NS_OK;
+ }
+
+ if (blocklistAll < 0) {
+ gfxCriticalErrorOnce(gfxCriticalError::DefaultOptions(false))
+ << "Ignoring any feature blocklisting.";
+ *aStatus = FEATURE_STATUS_OK;
+ return NS_OK;
+ }
+
+ // This is how we evaluate the downloadable blocklist. If there is no pref,
+ // then we will fallback to checking the static blocklist.
+ if (GetPrefValueForFeature(aFeature, *aStatus, aFailureId)) {
+ return NS_OK;
+ }
+
+ if (XRE_IsContentProcess() || XRE_IsGPUProcess()) {
+ // Use the cached data received from the parent process.
+ MOZ_ASSERT(sFeatureStatus);
+ bool success = false;
+ for (const auto& fs : *sFeatureStatus) {
+ if (fs.feature() == aFeature) {
+ aFailureId = fs.failureId();
+ *aStatus = fs.status();
+ success = true;
+ break;
+ }
+ }
+ return success ? NS_OK : NS_ERROR_FAILURE;
+ }
+
+ nsString version;
+ nsTArray<GfxDriverInfo> driverInfo;
+ nsresult rv =
+ GetFeatureStatusImpl(aFeature, aStatus, version, driverInfo, aFailureId);
+ return rv;
+}
+
+nsTArray<gfx::GfxInfoFeatureStatus> GfxInfoBase::GetAllFeatures() {
+ MOZ_RELEASE_ASSERT(XRE_IsParentProcess());
+ if (!sFeatureStatus) {
+ InitFeatureStatus(new nsTArray<gfx::GfxInfoFeatureStatus>());
+ for (int32_t i = 1; i <= nsIGfxInfo::FEATURE_MAX_VALUE; ++i) {
+ int32_t status = 0;
+ nsAutoCString failureId;
+ GetFeatureStatus(i, failureId, &status);
+ gfx::GfxInfoFeatureStatus gfxFeatureStatus;
+ gfxFeatureStatus.feature() = i;
+ gfxFeatureStatus.status() = status;
+ gfxFeatureStatus.failureId() = failureId;
+ sFeatureStatus->AppendElement(gfxFeatureStatus);
+ }
+ }
+
+ nsTArray<gfx::GfxInfoFeatureStatus> features;
+ for (const auto& status : *sFeatureStatus) {
+ gfx::GfxInfoFeatureStatus copy = status;
+ features.AppendElement(copy);
+ }
+ return features;
+}
+
+inline bool MatchingAllowStatus(int32_t aStatus) {
+ switch (aStatus) {
+ case nsIGfxInfo::FEATURE_ALLOW_ALWAYS:
+ case nsIGfxInfo::FEATURE_ALLOW_QUALIFIED:
+ return true;
+ default:
+ return false;
+ }
+}
+
+// Matching OS go somewhat beyond the simple equality check because of the
+// "All Windows" and "All OS X" variations.
+//
+// aBlockedOS is describing the system(s) we are trying to block.
+// aSystemOS is describing the system we are running on.
+//
+// aSystemOS should not be "Windows" or "OSX" - it should be set to
+// a particular version instead.
+// However, it is valid for aBlockedOS to be one of those generic values,
+// as we could be blocking all of the versions.
+inline bool MatchingOperatingSystems(OperatingSystem aBlockedOS,
+ OperatingSystem aSystemOS,
+ uint32_t aSystemOSBuild) {
+ MOZ_ASSERT(aSystemOS != OperatingSystem::Windows &&
+ aSystemOS != OperatingSystem::OSX);
+
+ // If the block entry OS is unknown, it doesn't match
+ if (aBlockedOS == OperatingSystem::Unknown) {
+ return false;
+ }
+
+#if defined(XP_WIN)
+ if (aBlockedOS == OperatingSystem::Windows) {
+ // We do want even "unknown" aSystemOS to fall under "all windows"
+ return true;
+ }
+
+ constexpr uint32_t kMinWin10BuildNumber = 18362;
+ if (aBlockedOS == OperatingSystem::RecentWindows10 &&
+ aSystemOS == OperatingSystem::Windows10) {
+ // For allowlist purposes, we sometimes want to restrict to only recent
+ // versions of Windows 10. This is a bit of a kludge but easier than adding
+ // complicated blocklist infrastructure for build ID comparisons like driver
+ // versions.
+ return aSystemOSBuild >= kMinWin10BuildNumber;
+ }
+
+ if (aBlockedOS == OperatingSystem::NotRecentWindows10) {
+ if (aSystemOS == OperatingSystem::Windows10) {
+ return aSystemOSBuild < kMinWin10BuildNumber;
+ } else {
+ return true;
+ }
+ }
+#endif
+
+#if defined(XP_MACOSX)
+ if (aBlockedOS == OperatingSystem::OSX) {
+ // We do want even "unknown" aSystemOS to fall under "all OS X"
+ return true;
+ }
+#endif
+
+ return aSystemOS == aBlockedOS;
+}
+
+inline bool MatchingBattery(BatteryStatus aBatteryStatus, bool aHasBattery) {
+ switch (aBatteryStatus) {
+ case BatteryStatus::All:
+ return true;
+ case BatteryStatus::None:
+ return !aHasBattery;
+ case BatteryStatus::Present:
+ return aHasBattery;
+ }
+
+ MOZ_ASSERT_UNREACHABLE("bad battery status");
+ return false;
+}
+
+inline bool MatchingScreenSize(ScreenSizeStatus aScreenStatus,
+ int64_t aScreenPixels) {
+ constexpr int64_t kMaxSmallPixels = 2304000; // 1920x1200
+ constexpr int64_t kMaxMediumPixels = 4953600; // 3440x1440
+
+ switch (aScreenStatus) {
+ case ScreenSizeStatus::All:
+ return true;
+ case ScreenSizeStatus::Small:
+ return aScreenPixels <= kMaxSmallPixels;
+ case ScreenSizeStatus::SmallAndMedium:
+ return aScreenPixels <= kMaxMediumPixels;
+ case ScreenSizeStatus::Medium:
+ return aScreenPixels > kMaxSmallPixels &&
+ aScreenPixels <= kMaxMediumPixels;
+ case ScreenSizeStatus::MediumAndLarge:
+ return aScreenPixels > kMaxSmallPixels;
+ case ScreenSizeStatus::Large:
+ return aScreenPixels > kMaxMediumPixels;
+ }
+
+ MOZ_ASSERT_UNREACHABLE("bad screen status");
+ return false;
+}
+
+int32_t GfxInfoBase::FindBlocklistedDeviceInList(
+ const nsTArray<GfxDriverInfo>& info, nsAString& aSuggestedVersion,
+ int32_t aFeature, nsACString& aFailureId, OperatingSystem os,
+ bool aForAllowing) {
+ int32_t status = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
+
+ // Some properties are not available on all platforms.
+ nsAutoString windowProtocol;
+ nsresult rv = GetWindowProtocol(windowProtocol);
+ if (NS_FAILED(rv) && rv != NS_ERROR_NOT_IMPLEMENTED) {
+ return 0;
+ }
+
+ bool hasBattery = false;
+ rv = GetHasBattery(&hasBattery);
+ if (NS_FAILED(rv) && rv != NS_ERROR_NOT_IMPLEMENTED) {
+ return 0;
+ }
+
+ uint32_t osBuild = OperatingSystemBuild();
+
+ // Get the adapters once then reuse below
+ nsAutoString adapterVendorID[2];
+ nsAutoString adapterDeviceID[2];
+ nsAutoString adapterDriverVendor[2];
+ nsAutoString adapterDriverVersionString[2];
+ bool adapterInfoFailed[2];
+
+ adapterInfoFailed[0] =
+ (NS_FAILED(GetAdapterVendorID(adapterVendorID[0])) ||
+ NS_FAILED(GetAdapterDeviceID(adapterDeviceID[0])) ||
+ NS_FAILED(GetAdapterDriverVendor(adapterDriverVendor[0])) ||
+ NS_FAILED(GetAdapterDriverVersion(adapterDriverVersionString[0])));
+ adapterInfoFailed[1] =
+ (NS_FAILED(GetAdapterVendorID2(adapterVendorID[1])) ||
+ NS_FAILED(GetAdapterDeviceID2(adapterDeviceID[1])) ||
+ NS_FAILED(GetAdapterDriverVendor2(adapterDriverVendor[1])) ||
+ NS_FAILED(GetAdapterDriverVersion2(adapterDriverVersionString[1])));
+ // No point in going on if we don't have adapter info
+ if (adapterInfoFailed[0] && adapterInfoFailed[1]) {
+ return 0;
+ }
+
+#if defined(XP_WIN) || defined(ANDROID) || defined(MOZ_WIDGET_GTK)
+ uint64_t driverVersion[2] = {0, 0};
+ if (!adapterInfoFailed[0]) {
+ ParseDriverVersion(adapterDriverVersionString[0], &driverVersion[0]);
+ }
+ if (!adapterInfoFailed[1]) {
+ ParseDriverVersion(adapterDriverVersionString[1], &driverVersion[1]);
+ }
+#endif
+
+ uint32_t i = 0;
+ for (; i < info.Length(); i++) {
+ // If the status is FEATURE_ALLOW_*, then it is for the allowlist, not
+ // blocklisting. Only consider entries for our search mode.
+ if (MatchingAllowStatus(info[i].mFeatureStatus) != aForAllowing) {
+ continue;
+ }
+
+ // If we don't have the info for this GPU, no need to check further.
+ // It is unclear that we would ever have a mixture of 1st and 2nd
+ // GPU, but leaving the code in for that possibility for now.
+ // (Actually, currently mGpu2 will never be true, so this can
+ // be optimized out.)
+ uint32_t infoIndex = info[i].mGpu2 ? 1 : 0;
+ if (adapterInfoFailed[infoIndex]) {
+ continue;
+ }
+
+ // Do the operating system check first, no point in getting the driver
+ // info if we won't need to use it.
+ if (!MatchingOperatingSystems(info[i].mOperatingSystem, os, osBuild)) {
+ continue;
+ }
+
+ if (info[i].mOperatingSystemVersion &&
+ info[i].mOperatingSystemVersion != OperatingSystemVersion()) {
+ continue;
+ }
+
+ if (!MatchingBattery(info[i].mBattery, hasBattery)) {
+ continue;
+ }
+
+ if (!MatchingScreenSize(info[i].mScreen, mScreenPixels)) {
+ continue;
+ }
+
+ if (!DoesWindowProtocolMatch(info[i].mWindowProtocol, windowProtocol)) {
+ continue;
+ }
+
+ if (!DoesVendorMatch(info[i].mAdapterVendor, adapterVendorID[infoIndex])) {
+ continue;
+ }
+
+ if (!DoesDriverVendorMatch(info[i].mDriverVendor,
+ adapterDriverVendor[infoIndex])) {
+ continue;
+ }
+
+ if (info[i].mDevices && !info[i].mDevices->IsEmpty()) {
+ nsresult rv = info[i].mDevices->Contains(adapterDeviceID[infoIndex]);
+ if (rv == NS_ERROR_NOT_AVAILABLE) {
+ // Not found
+ continue;
+ }
+ if (rv != NS_OK) {
+ // Failed to search, allowlist should not match, blocklist should match
+ // for safety reasons
+ if (aForAllowing) {
+ continue;
+ }
+ break;
+ }
+ }
+
+ bool match = false;
+
+ if (!info[i].mHardware.IsEmpty() && !info[i].mHardware.Equals(Hardware())) {
+ continue;
+ }
+ if (!info[i].mModel.IsEmpty() && !info[i].mModel.Equals(Model())) {
+ continue;
+ }
+ if (!info[i].mProduct.IsEmpty() && !info[i].mProduct.Equals(Product())) {
+ continue;
+ }
+ if (!info[i].mManufacturer.IsEmpty() &&
+ !info[i].mManufacturer.Equals(Manufacturer())) {
+ continue;
+ }
+
+#if defined(XP_WIN) || defined(ANDROID) || defined(MOZ_WIDGET_GTK)
+ switch (info[i].mComparisonOp) {
+ case DRIVER_LESS_THAN:
+ match = driverVersion[infoIndex] < info[i].mDriverVersion;
+ break;
+ case DRIVER_BUILD_ID_LESS_THAN:
+ match = (driverVersion[infoIndex] & 0xFFFF) < info[i].mDriverVersion;
+ break;
+ case DRIVER_LESS_THAN_OR_EQUAL:
+ match = driverVersion[infoIndex] <= info[i].mDriverVersion;
+ break;
+ case DRIVER_BUILD_ID_LESS_THAN_OR_EQUAL:
+ match = (driverVersion[infoIndex] & 0xFFFF) <= info[i].mDriverVersion;
+ break;
+ case DRIVER_GREATER_THAN:
+ match = driverVersion[infoIndex] > info[i].mDriverVersion;
+ break;
+ case DRIVER_GREATER_THAN_OR_EQUAL:
+ match = driverVersion[infoIndex] >= info[i].mDriverVersion;
+ break;
+ case DRIVER_EQUAL:
+ match = driverVersion[infoIndex] == info[i].mDriverVersion;
+ break;
+ case DRIVER_NOT_EQUAL:
+ match = driverVersion[infoIndex] != info[i].mDriverVersion;
+ break;
+ case DRIVER_BETWEEN_EXCLUSIVE:
+ match = driverVersion[infoIndex] > info[i].mDriverVersion &&
+ driverVersion[infoIndex] < info[i].mDriverVersionMax;
+ break;
+ case DRIVER_BETWEEN_INCLUSIVE:
+ match = driverVersion[infoIndex] >= info[i].mDriverVersion &&
+ driverVersion[infoIndex] <= info[i].mDriverVersionMax;
+ break;
+ case DRIVER_BETWEEN_INCLUSIVE_START:
+ match = driverVersion[infoIndex] >= info[i].mDriverVersion &&
+ driverVersion[infoIndex] < info[i].mDriverVersionMax;
+ break;
+ case DRIVER_COMPARISON_IGNORED:
+ // We don't have a comparison op, so we match everything.
+ match = true;
+ break;
+ default:
+ NS_WARNING("Bogus op in GfxDriverInfo");
+ break;
+ }
+#else
+ // We don't care what driver version it was. We only check OS version and if
+ // the device matches.
+ match = true;
+#endif
+
+ if (match || info[i].mDriverVersion == GfxDriverInfo::allDriverVersions) {
+ if (info[i].mFeature == GfxDriverInfo::allFeatures ||
+ info[i].mFeature == aFeature ||
+ (info[i].mFeature == GfxDriverInfo::optionalFeatures &&
+ OnlyAllowFeatureOnKnownConfig(aFeature))) {
+ status = info[i].mFeatureStatus;
+ if (!info[i].mRuleId.IsEmpty()) {
+ aFailureId = info[i].mRuleId.get();
+ } else {
+ aFailureId = "FEATURE_FAILURE_DL_BLOCKLIST_NO_ID";
+ }
+ break;
+ }
+ }
+ }
+
+#if defined(XP_WIN)
+ // As a very special case, we block D2D on machines with an NVidia 310M GPU
+ // as either the primary or secondary adapter. D2D is also blocked when the
+ // NV 310M is the primary adapter (using the standard blocklisting mechanism).
+ // If the primary GPU already matched something in the blocklist then we
+ // ignore this special rule. See bug 1008759.
+ if (status == nsIGfxInfo::FEATURE_STATUS_UNKNOWN &&
+ (aFeature == nsIGfxInfo::FEATURE_DIRECT2D)) {
+ if (!adapterInfoFailed[1]) {
+ nsAString& nvVendorID =
+ (nsAString&)GfxDriverInfo::GetDeviceVendor(DeviceVendor::NVIDIA);
+ const nsString nv310mDeviceId = u"0x0A70"_ns;
+ if (nvVendorID.Equals(adapterVendorID[1],
+ nsCaseInsensitiveStringComparator) &&
+ nv310mDeviceId.Equals(adapterDeviceID[1],
+ nsCaseInsensitiveStringComparator)) {
+ status = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+ aFailureId = "FEATURE_FAILURE_D2D_NV310M_BLOCK";
+ }
+ }
+ }
+
+ // Depends on Windows driver versioning. We don't pass a GfxDriverInfo object
+ // back to the Windows handler, so we must handle this here.
+ if (status == FEATURE_BLOCKED_DRIVER_VERSION) {
+ if (info[i].mSuggestedVersion) {
+ aSuggestedVersion.AppendPrintf("%s", info[i].mSuggestedVersion);
+ } else if (info[i].mComparisonOp == DRIVER_LESS_THAN &&
+ info[i].mDriverVersion != GfxDriverInfo::allDriverVersions) {
+ aSuggestedVersion.AppendPrintf(
+ "%lld.%lld.%lld.%lld",
+ (info[i].mDriverVersion & 0xffff000000000000) >> 48,
+ (info[i].mDriverVersion & 0x0000ffff00000000) >> 32,
+ (info[i].mDriverVersion & 0x00000000ffff0000) >> 16,
+ (info[i].mDriverVersion & 0x000000000000ffff));
+ }
+ }
+#endif
+
+ return status;
+}
+
+void GfxInfoBase::SetFeatureStatus(nsTArray<gfx::GfxInfoFeatureStatus>&& aFS) {
+ MOZ_ASSERT(!sFeatureStatus);
+ InitFeatureStatus(new nsTArray<gfx::GfxInfoFeatureStatus>(std::move(aFS)));
+}
+
+bool GfxInfoBase::DoesWindowProtocolMatch(
+ const nsAString& aBlocklistWindowProtocol,
+ const nsAString& aWindowProtocol) {
+ return aBlocklistWindowProtocol.Equals(aWindowProtocol,
+ nsCaseInsensitiveStringComparator) ||
+ aBlocklistWindowProtocol.Equals(
+ GfxDriverInfo::GetWindowProtocol(WindowProtocol::All),
+ nsCaseInsensitiveStringComparator);
+}
+
+bool GfxInfoBase::DoesVendorMatch(const nsAString& aBlocklistVendor,
+ const nsAString& aAdapterVendor) {
+ return aBlocklistVendor.Equals(aAdapterVendor,
+ nsCaseInsensitiveStringComparator) ||
+ aBlocklistVendor.Equals(
+ GfxDriverInfo::GetDeviceVendor(DeviceVendor::All),
+ nsCaseInsensitiveStringComparator);
+}
+
+bool GfxInfoBase::DoesDriverVendorMatch(const nsAString& aBlocklistVendor,
+ const nsAString& aDriverVendor) {
+ return aBlocklistVendor.Equals(aDriverVendor,
+ nsCaseInsensitiveStringComparator) ||
+ aBlocklistVendor.Equals(
+ GfxDriverInfo::GetDriverVendor(DriverVendor::All),
+ nsCaseInsensitiveStringComparator);
+}
+
+bool GfxInfoBase::IsFeatureAllowlisted(int32_t aFeature) const {
+ return aFeature == nsIGfxInfo::FEATURE_VIDEO_OVERLAY ||
+ aFeature == nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY;
+}
+
+nsresult GfxInfoBase::GetFeatureStatusImpl(
+ int32_t aFeature, int32_t* aStatus, nsAString& aSuggestedVersion,
+ const nsTArray<GfxDriverInfo>& aDriverInfo, nsACString& aFailureId,
+ OperatingSystem* aOS /* = nullptr */) {
+ if (aFeature <= 0) {
+ gfxWarning() << "Invalid feature <= 0";
+ return NS_OK;
+ }
+
+ if (*aStatus != nsIGfxInfo::FEATURE_STATUS_UNKNOWN) {
+ // Terminate now with the status determined by the derived type (OS-specific
+ // code).
+ return NS_OK;
+ }
+
+ if (sShutdownOccurred) {
+ // This is futile; we've already commenced shutdown and our blocklists have
+ // been deleted. We may want to look into resurrecting the blocklist instead
+ // but for now, just don't even go there.
+ return NS_OK;
+ }
+
+ // Ensure any additional initialization required is complete.
+ GetData();
+
+ // If an operating system was provided by the derived GetFeatureStatusImpl,
+ // grab it here. Otherwise, the OS is unknown.
+ OperatingSystem os = (aOS ? *aOS : OperatingSystem::Unknown);
+
+ nsAutoString adapterVendorID;
+ nsAutoString adapterDeviceID;
+ nsAutoString adapterDriverVersionString;
+ if (NS_FAILED(GetAdapterVendorID(adapterVendorID)) ||
+ NS_FAILED(GetAdapterDeviceID(adapterDeviceID)) ||
+ NS_FAILED(GetAdapterDriverVersion(adapterDriverVersionString))) {
+ if (OnlyAllowFeatureOnKnownConfig(aFeature)) {
+ aFailureId = "FEATURE_FAILURE_CANT_RESOLVE_ADAPTER";
+ *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+ } else {
+ *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
+ }
+ return NS_OK;
+ }
+
+ // We only check either the given blocklist, or the static list, as given.
+ int32_t status;
+ if (aDriverInfo.Length()) {
+ status =
+ FindBlocklistedDeviceInList(aDriverInfo, aSuggestedVersion, aFeature,
+ aFailureId, os, /* aForAllowing */ false);
+ } else {
+ if (!sDriverInfo) {
+ sDriverInfo = new nsTArray<GfxDriverInfo>();
+ }
+ status = FindBlocklistedDeviceInList(GetGfxDriverInfo(), aSuggestedVersion,
+ aFeature, aFailureId, os,
+ /* aForAllowing */ false);
+ }
+
+ if (status == nsIGfxInfo::FEATURE_STATUS_UNKNOWN) {
+ if (IsFeatureAllowlisted(aFeature)) {
+ // This feature is actually using the allowlist; that means after we pass
+ // the blocklist to prevent us explicitly from getting the feature, we now
+ // need to check the allowlist to ensure we are allowed to get it in the
+ // first place.
+ if (aDriverInfo.Length()) {
+ status = FindBlocklistedDeviceInList(aDriverInfo, aSuggestedVersion,
+ aFeature, aFailureId, os,
+ /* aForAllowing */ true);
+ } else {
+ status = FindBlocklistedDeviceInList(
+ GetGfxDriverInfo(), aSuggestedVersion, aFeature, aFailureId, os,
+ /* aForAllowing */ true);
+ }
+
+ if (status == nsIGfxInfo::FEATURE_STATUS_UNKNOWN) {
+ status = nsIGfxInfo::FEATURE_DENIED;
+ }
+ } else {
+ // It's now done being processed. It's safe to set the status to
+ // STATUS_OK.
+ status = nsIGfxInfo::FEATURE_STATUS_OK;
+ }
+ }
+
+ *aStatus = status;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetFeatureSuggestedDriverVersion(int32_t aFeature,
+ nsAString& aVersion) {
+ nsCString version;
+ if (GetPrefValueForDriverVersion(version)) {
+ aVersion = NS_ConvertASCIItoUTF16(version);
+ return NS_OK;
+ }
+
+ int32_t status;
+ nsCString discardFailureId;
+ nsTArray<GfxDriverInfo> driverInfo;
+ return GetFeatureStatusImpl(aFeature, &status, aVersion, driverInfo,
+ discardFailureId);
+}
+
+void GfxInfoBase::EvaluateDownloadedBlocklist(
+ nsTArray<GfxDriverInfo>& aDriverInfo) {
+ // If the list is empty, then we don't actually want to call
+ // GetFeatureStatusImpl since we will use the static list instead. In that
+ // case, all we want to do is make sure the pref is removed.
+ if (aDriverInfo.IsEmpty()) {
+ gfxCriticalNoteOnce << "Evaluate empty downloaded blocklist";
+ return;
+ }
+
+ OperatingSystem os = GetOperatingSystem();
+
+ // For every feature we know about, we evaluate whether this blocklist has a
+ // non-STATUS_OK status. If it does, we set the pref we evaluate in
+ // GetFeatureStatus above, so we don't need to hold on to this blocklist
+ // anywhere permanent.
+ for (int feature = 1; feature <= nsIGfxInfo::FEATURE_MAX_VALUE; ++feature) {
+ int32_t status = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
+ nsCString failureId;
+ nsAutoString suggestedVersion;
+
+ // Note that we are careful to call the base class method since we only want
+ // to evaluate the downloadable blocklist for these prefs.
+ MOZ_ALWAYS_TRUE(NS_SUCCEEDED(GfxInfoBase::GetFeatureStatusImpl(
+ feature, &status, suggestedVersion, aDriverInfo, failureId, &os)));
+
+ switch (status) {
+ default:
+ MOZ_FALLTHROUGH_ASSERT("Unhandled feature status!");
+ case nsIGfxInfo::FEATURE_STATUS_UNKNOWN:
+ // This may be returned during shutdown or for invalid features.
+ case nsIGfxInfo::FEATURE_ALLOW_ALWAYS:
+ case nsIGfxInfo::FEATURE_ALLOW_QUALIFIED:
+ case nsIGfxInfo::FEATURE_DENIED:
+ // We cannot use the downloadable blocklist to control the allowlist.
+ // If a feature is allowlisted, then we should also ignore DENIED
+ // statuses from GetFeatureStatusImpl because we don't check the
+ // static list when and this is an expected value. If we wish to
+ // override the allowlist, it is as simple as creating a normal
+ // blocklist rule with a BLOCKED* status code.
+ case nsIGfxInfo::FEATURE_STATUS_OK:
+ RemovePrefForFeature(feature);
+ break;
+
+ case nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION:
+ if (!suggestedVersion.IsEmpty()) {
+ SetPrefValueForDriverVersion(suggestedVersion);
+ } else {
+ RemovePrefForDriverVersion();
+ }
+ [[fallthrough]];
+
+ case nsIGfxInfo::FEATURE_BLOCKED_MISMATCHED_VERSION:
+ case nsIGfxInfo::FEATURE_BLOCKED_DEVICE:
+ case nsIGfxInfo::FEATURE_DISCOURAGED:
+ case nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION:
+ case nsIGfxInfo::FEATURE_BLOCKED_PLATFORM_TEST:
+ SetPrefValueForFeature(feature, status, failureId);
+ break;
+ }
+ }
+}
+
+NS_IMETHODIMP_(void)
+GfxInfoBase::LogFailure(const nsACString& failure) {
+ // gfxCriticalError has a mutex lock of its own, so we may not actually
+ // need this lock. ::GetFailures() accesses the data but the LogForwarder
+ // will not return the copy of the logs unless it can get the same lock
+ // that gfxCriticalError uses. Still, that is so much of an implementation
+ // detail that it's nicer to just add an extra lock here and in
+ // ::GetFailures()
+ MutexAutoLock lock(mMutex);
+
+ // By default, gfxCriticalError asserts; make it not assert in this case.
+ gfxCriticalError(CriticalLog::DefaultOptions(false))
+ << "(LF) " << failure.BeginReading();
+}
+
+NS_IMETHODIMP GfxInfoBase::GetFailures(nsTArray<int32_t>& indices,
+ nsTArray<nsCString>& failures) {
+ MutexAutoLock lock(mMutex);
+
+ LogForwarder* logForwarder = Factory::GetLogForwarder();
+ if (!logForwarder) {
+ return NS_ERROR_UNEXPECTED;
+ }
+
+ // There are two string copies in this method, starting with this one. We are
+ // assuming this is not a big deal, as the size of the array should be small
+ // and the strings in it should be small as well (the error messages in the
+ // code.) The second copy happens with the AppendElement() calls.
+ // Technically, we don't need the mutex lock after the StringVectorCopy()
+ // call.
+ LoggingRecord loggedStrings = logForwarder->LoggingRecordCopy();
+ LoggingRecord::const_iterator it;
+ for (it = loggedStrings.begin(); it != loggedStrings.end(); ++it) {
+ failures.AppendElement(nsDependentCSubstring(std::get<1>(*it).c_str(),
+ std::get<1>(*it).size()));
+ indices.AppendElement(std::get<0>(*it));
+ }
+
+ return NS_OK;
+}
+
+nsTArray<GfxInfoCollectorBase*>* sCollectors;
+
+static void InitCollectors() {
+ if (!sCollectors) sCollectors = new nsTArray<GfxInfoCollectorBase*>;
+}
+
+nsresult GfxInfoBase::GetInfo(JSContext* aCx,
+ JS::MutableHandle<JS::Value> aResult) {
+ InitCollectors();
+ InfoObject obj(aCx);
+
+ for (uint32_t i = 0; i < sCollectors->Length(); i++) {
+ (*sCollectors)[i]->GetInfo(obj);
+ }
+
+ // Some example property definitions
+ // obj.DefineProperty("wordCacheSize", gfxTextRunWordCache::Count());
+ // obj.DefineProperty("renderer", mRendererIDsString);
+ // obj.DefineProperty("five", 5);
+
+ if (!obj.mOk) {
+ return NS_ERROR_FAILURE;
+ }
+
+ aResult.setObject(*obj.mObj);
+ return NS_OK;
+}
+
+nsAutoCString gBaseAppVersion;
+
+const nsCString& GfxInfoBase::GetApplicationVersion() {
+ static bool versionInitialized = false;
+ if (!versionInitialized) {
+ // If we fail to get the version, we will not try again.
+ versionInitialized = true;
+
+ // Get the version from xpcom/system/nsIXULAppInfo.idl
+ nsCOMPtr<nsIXULAppInfo> app = do_GetService("@mozilla.org/xre/app-info;1");
+ if (app) {
+ app->GetVersion(gBaseAppVersion);
+ }
+ }
+ return gBaseAppVersion;
+}
+
+/* static */ bool GfxInfoBase::OnlyAllowFeatureOnKnownConfig(int32_t aFeature) {
+ switch (aFeature) {
+ // The GPU process doesn't need hardware acceleration and can run on
+ // devices that we normally block from not being on our whitelist.
+ case nsIGfxInfo::FEATURE_GPU_PROCESS:
+ return kIsAndroid;
+ // We can mostly assume that ANGLE will work
+ case nsIGfxInfo::FEATURE_DIRECT3D_11_ANGLE:
+ // Remote WebGL is needed for Win32k Lockdown, so it should be enabled
+ // regardless of HW support or not
+ case nsIGfxInfo::FEATURE_ALLOW_WEBGL_OUT_OF_PROCESS:
+ // Backdrop filter should generally work, especially if we fall back to
+ // Software WebRender because of an unknown vendor.
+ case nsIGfxInfo::FEATURE_BACKDROP_FILTER:
+ return false;
+ default:
+ return true;
+ }
+}
+
+void GfxInfoBase::AddCollector(GfxInfoCollectorBase* collector) {
+ InitCollectors();
+ sCollectors->AppendElement(collector);
+}
+
+void GfxInfoBase::RemoveCollector(GfxInfoCollectorBase* collector) {
+ InitCollectors();
+ for (uint32_t i = 0; i < sCollectors->Length(); i++) {
+ if ((*sCollectors)[i] == collector) {
+ sCollectors->RemoveElementAt(i);
+ break;
+ }
+ }
+ if (sCollectors->IsEmpty()) {
+ delete sCollectors;
+ sCollectors = nullptr;
+ }
+}
+
+static void AppendMonitor(JSContext* aCx, widget::Screen& aScreen,
+ JS::Handle<JSObject*> aOutArray, int32_t aIndex) {
+ JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
+
+ auto screenSize = aScreen.GetRect().Size();
+
+ JS::Rooted<JS::Value> screenWidth(aCx, JS::Int32Value(screenSize.width));
+ JS_SetProperty(aCx, obj, "screenWidth", screenWidth);
+
+ JS::Rooted<JS::Value> screenHeight(aCx, JS::Int32Value(screenSize.height));
+ JS_SetProperty(aCx, obj, "screenHeight", screenHeight);
+
+ // XXX Just preserving behavior since this is exposed to telemetry, but we
+ // could consider including this everywhere.
+#ifdef XP_MACOSX
+ JS::Rooted<JS::Value> scale(
+ aCx, JS::NumberValue(aScreen.GetContentsScaleFactor()));
+ JS_SetProperty(aCx, obj, "scale", scale);
+#endif
+
+#ifdef XP_WIN
+ JS::Rooted<JS::Value> refreshRate(aCx,
+ JS::Int32Value(aScreen.GetRefreshRate()));
+ JS_SetProperty(aCx, obj, "refreshRate", refreshRate);
+
+ JS::Rooted<JS::Value> pseudoDisplay(
+ aCx, JS::BooleanValue(aScreen.GetIsPseudoDisplay()));
+ JS_SetProperty(aCx, obj, "pseudoDisplay", pseudoDisplay);
+#endif
+
+ JS::Rooted<JS::Value> element(aCx, JS::ObjectValue(*obj));
+ JS_SetElement(aCx, aOutArray, aIndex, element);
+}
+
+nsresult GfxInfoBase::FindMonitors(JSContext* aCx,
+ JS::Handle<JSObject*> aOutArray) {
+ int32_t index = 0;
+ auto& sm = ScreenManager::GetSingleton();
+ for (auto& screen : sm.CurrentScreenList()) {
+ AppendMonitor(aCx, *screen, aOutArray, index++);
+ }
+
+ if (index == 0) {
+ // Ensure we return at least one monitor, this is needed for xpcshell.
+ RefPtr<Screen> screen = sm.GetPrimaryScreen();
+ AppendMonitor(aCx, *screen, aOutArray, index++);
+ }
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetMonitors(JSContext* aCx, JS::MutableHandle<JS::Value> aResult) {
+ JS::Rooted<JSObject*> array(aCx, JS::NewArrayObject(aCx, 0));
+
+ nsresult rv = FindMonitors(aCx, array);
+ if (NS_FAILED(rv)) {
+ return rv;
+ }
+
+ aResult.setObject(*array);
+ return NS_OK;
+}
+
+static inline bool SetJSPropertyString(JSContext* aCx,
+ JS::Handle<JSObject*> aObj,
+ const char* aProp, const char* aString) {
+ JS::Rooted<JSString*> str(aCx, JS_NewStringCopyZ(aCx, aString));
+ if (!str) {
+ return false;
+ }
+
+ JS::Rooted<JS::Value> val(aCx, JS::StringValue(str));
+ return JS_SetProperty(aCx, aObj, aProp, val);
+}
+
+template <typename T>
+static inline bool AppendJSElement(JSContext* aCx, JS::Handle<JSObject*> aObj,
+ const T& aValue) {
+ uint32_t index;
+ if (!JS::GetArrayLength(aCx, aObj, &index)) {
+ return false;
+ }
+ return JS_SetElement(aCx, aObj, index, aValue);
+}
+
+nsresult GfxInfoBase::GetFeatures(JSContext* aCx,
+ JS::MutableHandle<JS::Value> aOut) {
+ JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
+ if (!obj) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ aOut.setObject(*obj);
+
+ layers::LayersBackend backend =
+ gfxPlatform::Initialized()
+ ? gfxPlatform::GetPlatform()->GetCompositorBackend()
+ : layers::LayersBackend::LAYERS_NONE;
+ const char* backendName = layers::GetLayersBackendName(backend);
+ SetJSPropertyString(aCx, obj, "compositor", backendName);
+
+ // If graphics isn't initialized yet, just stop now.
+ if (!gfxPlatform::Initialized()) {
+ return NS_OK;
+ }
+
+ DescribeFeatures(aCx, obj);
+ return NS_OK;
+}
+
+nsresult GfxInfoBase::GetFeatureLog(JSContext* aCx,
+ JS::MutableHandle<JS::Value> aOut) {
+ JS::Rooted<JSObject*> containerObj(aCx, JS_NewPlainObject(aCx));
+ if (!containerObj) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ aOut.setObject(*containerObj);
+
+ JS::Rooted<JSObject*> featureArray(aCx, JS::NewArrayObject(aCx, 0));
+ if (!featureArray) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ // Collect features.
+ gfxConfig::ForEachFeature([&](const char* aName, const char* aDescription,
+ FeatureState& aFeature) -> void {
+ JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
+ if (!obj) {
+ return;
+ }
+ if (!SetJSPropertyString(aCx, obj, "name", aName) ||
+ !SetJSPropertyString(aCx, obj, "description", aDescription) ||
+ !SetJSPropertyString(aCx, obj, "status",
+ FeatureStatusToString(aFeature.GetValue()))) {
+ return;
+ }
+
+ JS::Rooted<JS::Value> log(aCx);
+ if (!BuildFeatureStateLog(aCx, aFeature, &log)) {
+ return;
+ }
+ if (!JS_SetProperty(aCx, obj, "log", log)) {
+ return;
+ }
+
+ if (!AppendJSElement(aCx, featureArray, obj)) {
+ return;
+ }
+ });
+
+ JS::Rooted<JSObject*> fallbackArray(aCx, JS::NewArrayObject(aCx, 0));
+ if (!fallbackArray) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ // Collect fallbacks.
+ gfxConfig::ForEachFallback(
+ [&](const char* aName, const char* aMessage) -> void {
+ JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
+ if (!obj) {
+ return;
+ }
+
+ if (!SetJSPropertyString(aCx, obj, "name", aName) ||
+ !SetJSPropertyString(aCx, obj, "message", aMessage)) {
+ return;
+ }
+
+ if (!AppendJSElement(aCx, fallbackArray, obj)) {
+ return;
+ }
+ });
+
+ JS::Rooted<JS::Value> val(aCx);
+
+ val = JS::ObjectValue(*featureArray);
+ JS_SetProperty(aCx, containerObj, "features", val);
+
+ val = JS::ObjectValue(*fallbackArray);
+ JS_SetProperty(aCx, containerObj, "fallbacks", val);
+
+ return NS_OK;
+}
+
+bool GfxInfoBase::BuildFeatureStateLog(JSContext* aCx,
+ const FeatureState& aFeature,
+ JS::MutableHandle<JS::Value> aOut) {
+ JS::Rooted<JSObject*> log(aCx, JS::NewArrayObject(aCx, 0));
+ if (!log) {
+ return false;
+ }
+ aOut.setObject(*log);
+
+ aFeature.ForEachStatusChange([&](const char* aType, FeatureStatus aStatus,
+ const char* aMessage,
+ const nsCString& aFailureId) -> void {
+ JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
+ if (!obj) {
+ return;
+ }
+
+ if (!SetJSPropertyString(aCx, obj, "type", aType) ||
+ !SetJSPropertyString(aCx, obj, "status",
+ FeatureStatusToString(aStatus)) ||
+ (!aFailureId.IsEmpty() &&
+ !SetJSPropertyString(aCx, obj, "failureId", aFailureId.get())) ||
+ (aMessage && !SetJSPropertyString(aCx, obj, "message", aMessage))) {
+ return;
+ }
+
+ if (!AppendJSElement(aCx, log, obj)) {
+ return;
+ }
+ });
+
+ return true;
+}
+
+void GfxInfoBase::DescribeFeatures(JSContext* aCx, JS::Handle<JSObject*> aObj) {
+ JS::Rooted<JSObject*> obj(aCx);
+
+ gfx::FeatureState& hwCompositing =
+ gfxConfig::GetFeature(gfx::Feature::HW_COMPOSITING);
+ InitFeatureObject(aCx, aObj, "hwCompositing", hwCompositing, &obj);
+
+ gfx::FeatureState& gpuProcess =
+ gfxConfig::GetFeature(gfx::Feature::GPU_PROCESS);
+ InitFeatureObject(aCx, aObj, "gpuProcess", gpuProcess, &obj);
+
+ gfx::FeatureState& webrender = gfxConfig::GetFeature(gfx::Feature::WEBRENDER);
+ InitFeatureObject(aCx, aObj, "webrender", webrender, &obj);
+
+ gfx::FeatureState& wrCompositor =
+ gfxConfig::GetFeature(gfx::Feature::WEBRENDER_COMPOSITOR);
+ InitFeatureObject(aCx, aObj, "wrCompositor", wrCompositor, &obj);
+
+ gfx::FeatureState& openglCompositing =
+ gfxConfig::GetFeature(gfx::Feature::OPENGL_COMPOSITING);
+ InitFeatureObject(aCx, aObj, "openglCompositing", openglCompositing, &obj);
+
+ gfx::FeatureState& omtp = gfxConfig::GetFeature(gfx::Feature::OMTP);
+ InitFeatureObject(aCx, aObj, "omtp", omtp, &obj);
+}
+
+bool GfxInfoBase::InitFeatureObject(JSContext* aCx,
+ JS::Handle<JSObject*> aContainer,
+ const char* aName,
+ mozilla::gfx::FeatureState& aFeatureState,
+ JS::MutableHandle<JSObject*> aOutObj) {
+ JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
+ if (!obj) {
+ return false;
+ }
+
+ nsCString status = aFeatureState.GetStatusAndFailureIdString();
+
+ JS::Rooted<JSString*> str(aCx, JS_NewStringCopyZ(aCx, status.get()));
+ JS::Rooted<JS::Value> val(aCx, JS::StringValue(str));
+ JS_SetProperty(aCx, obj, "status", val);
+
+ // Add the feature object to the container.
+ {
+ JS::Rooted<JS::Value> val(aCx, JS::ObjectValue(*obj));
+ JS_SetProperty(aCx, aContainer, aName, val);
+ }
+
+ aOutObj.set(obj);
+ return true;
+}
+
+nsresult GfxInfoBase::GetActiveCrashGuards(JSContext* aCx,
+ JS::MutableHandle<JS::Value> aOut) {
+ JS::Rooted<JSObject*> array(aCx, JS::NewArrayObject(aCx, 0));
+ if (!array) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+ aOut.setObject(*array);
+
+ DriverCrashGuard::ForEachActiveCrashGuard(
+ [&](const char* aName, const char* aPrefName) -> void {
+ JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx));
+ if (!obj) {
+ return;
+ }
+ if (!SetJSPropertyString(aCx, obj, "type", aName)) {
+ return;
+ }
+ if (!SetJSPropertyString(aCx, obj, "prefName", aPrefName)) {
+ return;
+ }
+ if (!AppendJSElement(aCx, array, obj)) {
+ return;
+ }
+ });
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetTargetFrameRate(uint32_t* aTargetFrameRate) {
+ *aTargetFrameRate = gfxPlatform::TargetFrameRate();
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetCodecSupportInfo(nsACString& aCodecSupportInfo) {
+ aCodecSupportInfo.Assign(gfx::gfxVars::CodecSupportInfo());
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetIsHeadless(bool* aIsHeadless) {
+ *aIsHeadless = gfxPlatform::IsHeadless();
+ return NS_OK;
+}
+
+#if defined(MOZ_WIDGET_ANDROID)
+
+const char* chromebookProductList[] = {
+ "asuka", "asurada", "atlas", "auron", "banjo", "banon",
+ "bob", "brask", "brya", "buddy", "butterfly", "candy",
+ "caroline", "cave", "celes", "chell", "cherry", "clapper",
+ "coral", "corsola", "cyan", "daisy", "dedede", "drallion",
+ "edgar", "elm", "enguarde", "eve", "expresso", "falco",
+ "fizz", "gandof", "glimmer", "gnawty", "grunt", "guado",
+ "guybrush", "hana", "hatch", "heli", "jacuzzi", "kalista",
+ "kefka", "kevin", "kip", "kukui", "lars", "leon",
+ "link", "lulu", "lumpy", "mccloud", "monroe", "nami",
+ "nautilus", "ninja", "nissa", "nocturne", "nyan", "octopus",
+ "orco", "panther", "parrot", "peach", "peppy", "puff",
+ "pyro", "quawks", "rammus", "reef", "reks", "relm",
+ "rikku", "samus", "sand", "sarien", "scarlet", "sentry",
+ "setzer", "skyrim", "snappy", "soraka", "squawks", "staryu",
+ "stout", "strongbad", "stumpy", "sumo", "swanky", "terra",
+ "tidus", "tricky", "trogdor", "ultima", "veyron", "volteer",
+ "winky", "wizpig", "wolf", "x86", "zako", "zork"};
+
+bool ProductIsChromebook(nsCString product) {
+ size_t result;
+ return BinarySearchIf(
+ chromebookProductList, 0, ArrayLength(chromebookProductList),
+ [&](const char* const aValue) -> int {
+ return strcmp(product.get(), aValue);
+ },
+ &result);
+}
+#endif
+
+using Device = nsIGfxInfo::FontVisibilityDeviceDetermination;
+static StaticAutoPtr<std::pair<Device, nsString>> ret;
+
+std::pair<Device, nsString>* GfxInfoBase::GetFontVisibilityDeterminationPair() {
+ if(!ret) {
+ ret = new std::pair<Device, nsString>();
+ ret->first = Device::Unassigned;
+ ret->second = u""_ns;
+ ClearOnShutdown(&ret);
+ }
+
+ if (ret->first != Device::Unassigned) {
+ return ret;
+ }
+
+#if defined(MOZ_WIDGET_ANDROID)
+ auto androidReleaseVersion = strtol(
+ java::sdk::Build::VERSION::RELEASE()->ToCString().get(), nullptr, 10);
+
+ auto androidManufacturer = java::sdk::Build::MANUFACTURER()->ToCString();
+ nsContentUtils::ASCIIToLower(androidManufacturer);
+
+ auto androidBrand = java::sdk::Build::BRAND()->ToCString();
+ nsContentUtils::ASCIIToLower(androidBrand);
+
+ auto androidModel = java::sdk::Build::MODEL()->ToCString();
+ nsContentUtils::ASCIIToLower(androidModel);
+
+ auto androidProduct = java::sdk::Build::PRODUCT()->ToCString();
+ nsContentUtils::ASCIIToLower(androidProduct);
+
+ auto androidProductIsChromebook = ProductIsChromebook(androidProduct);
+
+ if (androidReleaseVersion < 4 || androidReleaseVersion > 20) {
+ // Something is screwy, oh well.
+ ret->second.AppendASCII("Unknown Release Version - ");
+ ret->first = Device::Android_Unknown_Release_Version;
+ } else if (androidReleaseVersion <= 8) {
+ ret->second.AppendASCII("Android <9 - ");
+ ret->first = Device::Android_sub_9;
+ } else if (androidReleaseVersion <= 11) {
+ ret->second.AppendASCII("Android 9-11 - ");
+ ret->first = Device::Android_9_11;
+ } else if (androidReleaseVersion > 11) {
+ ret->second.AppendASCII("Android 12+ - ");
+ ret->first = Device::Android_12_plus;
+ } else {
+ MOZ_CRASH_UNSAFE_PRINTF(
+ "Somehow wound up in GetFontVisibilityDeterminationPair with a release "
+ "version of %li",
+ androidReleaseVersion);
+ }
+
+ if (androidManufacturer == "google" && androidModel == androidProduct &&
+ androidProductIsChromebook) {
+ // Chromebook font set coming later
+ ret->second.AppendASCII("Chromebook - ");
+ ret->first = Device::Android_Chromebook;
+ }
+ if (androidBrand == "amazon") {
+ // Amazon Fire font set coming later
+ ret->second.AppendASCII("Amazon - ");
+ ret->first = Device::Android_Amazon;
+ }
+ if (androidBrand == "peloton") {
+ // We don't know how to categorize fonts on this system
+ ret->second.AppendASCII("Peloton - ");
+ ret->first = Device::Android_Unknown_Peloton;
+ }
+ if (androidProduct == "vbox86p") {
+ ret->second.AppendASCII("vbox - ");
+ // We can't categorize fonts when running in an emulator on a Desktop
+ ret->first = Device::Android_Unknown_vbox;
+ }
+ if (androidModel.Find("mitv"_ns) != kNotFound && androidBrand == "xiaomi") {
+ // We don't know how to categorize fonts on this system
+ ret->second.AppendASCII("mitv - ");
+ ret->first = Device::Android_Unknown_mitv;
+ }
+
+ ret->second.AppendPrintf(
+ "release_version_str=%s, release_version=%li",
+ java::sdk::Build::VERSION::RELEASE()->ToCString().get(),
+ androidReleaseVersion);
+ ret->second.AppendPrintf(
+ ", manufacturer=%s, brand=%s, model=%s, product=%s, chromebook=%s",
+ androidManufacturer.get(), androidBrand.get(), androidModel.get(),
+ androidProduct.get(), androidProductIsChromebook ? "yes" : "no");
+
+#elif defined(XP_LINUX)
+ ret->first = Device::Linux_Unknown;
+
+ long versionMajor = 0;
+ FILE* fp = fopen("/etc/os-release", "r");
+ if (fp) {
+ char buf[512];
+ while (fgets(buf, sizeof(buf), fp)) {
+ if (strncmp(buf, "VERSION_ID=\"", 12) == 0) {
+ ret->second.AppendPrintf("VERSION_ID=%.11s", buf + 11);
+ versionMajor = strtol(buf + 12, nullptr, 10);
+ if (ret->first != Device::Linux_Unknown) {
+ break;
+ }
+ }
+
+ if (strncmp(buf, "ID=", 3) == 0) {
+ ret->second.AppendPrintf("ID=%.6s", buf + 3);
+ if (strncmp(buf + 3, "ubuntu", 6) == 0) {
+ ret->first = Device::Linux_Ubuntu_any;
+ } else if (strncmp(buf + 3, "fedora", 6) == 0) {
+ ret->first = Device::Linux_Fedora_any;
+ }
+
+ if (versionMajor) {
+ break;
+ }
+ }
+ }
+ fclose(fp);
+ }
+ if (ret->first == Device::Linux_Ubuntu_any) {
+ if (versionMajor == 20) {
+ ret->first = Device::Linux_Ubuntu_20;
+ ret->second.Insert(u"Ubuntu 20 - ", 0);
+ } else if (versionMajor == 22) {
+ ret->first = Device::Linux_Ubuntu_22;
+ ret->second.Insert(u"Ubuntu 22 - ", 0);
+ } else {
+ ret->second.Insert(u"Ubuntu Unknown - ", 0);
+ }
+ } else if (ret->first == Device::Linux_Fedora_any) {
+ if (versionMajor == 38) {
+ ret->first = Device::Linux_Fedora_38;
+ ret->second.Insert(u"Fedora 38 - ", 0);
+ } else if (versionMajor == 39) {
+ ret->first = Device::Linux_Fedora_39;
+ ret->second.Insert(u"Fedora 39 - ", 0);
+ } else {
+ ret->second.Insert(u"Fedora Unknown - ", 0);
+ }
+ } else {
+ ret->second.Insert(u"Linux Unknown - ", 0);
+ }
+
+#elif defined(XP_MACOSX)
+ ret->first = Device::MacOS_Platform;
+ ret->second.AppendASCII("macOS Platform");
+#elif defined(XP_WIN)
+ ret->first = Device::Windows_Platform;
+ ret->second.AppendASCII("Windows Platform");
+#else
+ ret->first = Device::Unknown_Platform;
+ ret->second.AppendASCII("Unknown Platform");
+#endif
+
+ return ret;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetFontVisibilityDetermination(
+ Device* aFontVisibilityDetermination) {
+ auto ret = GetFontVisibilityDeterminationPair();
+
+ *aFontVisibilityDetermination = ret->first;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetFontVisibilityDeterminationStr(
+ nsAString& aFontVisibilityDeterminationStr) {
+ auto ret = GetFontVisibilityDeterminationPair();
+ aFontVisibilityDeterminationStr.Assign(ret->second);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetContentBackend(nsAString& aContentBackend) {
+ BackendType backend = gfxPlatform::GetPlatform()->GetDefaultContentBackend();
+ nsString outStr;
+
+ switch (backend) {
+ case BackendType::DIRECT2D1_1: {
+ outStr.AppendPrintf("Direct2D 1.1");
+ break;
+ }
+ case BackendType::SKIA: {
+ outStr.AppendPrintf("Skia");
+ break;
+ }
+ case BackendType::CAIRO: {
+ outStr.AppendPrintf("Cairo");
+ break;
+ }
+ default:
+ return NS_ERROR_FAILURE;
+ }
+
+ aContentBackend.Assign(outStr);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetAzureCanvasBackend(nsAString& aBackend) {
+ CopyASCIItoUTF16(mozilla::MakeStringSpan(
+ gfxPlatform::GetPlatform()->GetAzureCanvasBackend()),
+ aBackend);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetAzureContentBackend(nsAString& aBackend) {
+ CopyASCIItoUTF16(mozilla::MakeStringSpan(
+ gfxPlatform::GetPlatform()->GetAzureContentBackend()),
+ aBackend);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::GetUsingGPUProcess(bool* aOutValue) {
+ GPUProcessManager* gpu = GPUProcessManager::Get();
+ if (!gpu) {
+ // Not supported in content processes.
+ return NS_ERROR_FAILURE;
+ }
+
+ *aOutValue = !!gpu->GetGPUChild();
+ return NS_OK;
+}
+
+NS_IMETHODIMP_(int32_t)
+GfxInfoBase::GetMaxRefreshRate(bool* aMixed) {
+ if (aMixed) {
+ *aMixed = false;
+ }
+
+ int32_t maxRefreshRate = 0;
+ for (auto& screen : ScreenManager::GetSingleton().CurrentScreenList()) {
+ int32_t refreshRate = screen->GetRefreshRate();
+ if (aMixed && maxRefreshRate > 0 && maxRefreshRate != refreshRate) {
+ *aMixed = true;
+ }
+ maxRefreshRate = std::max(maxRefreshRate, refreshRate);
+ }
+
+ return maxRefreshRate > 0 ? maxRefreshRate : -1;
+}
+
+NS_IMETHODIMP
+GfxInfoBase::ControlGPUProcessForXPCShell(bool aEnable, bool* _retval) {
+ gfxPlatform::GetPlatform();
+
+ GPUProcessManager* gpm = GPUProcessManager::Get();
+ if (aEnable) {
+ if (!gfxConfig::IsEnabled(gfx::Feature::GPU_PROCESS)) {
+ gfxConfig::UserForceEnable(gfx::Feature::GPU_PROCESS, "xpcshell-test");
+ }
+ DebugOnly<nsresult> rv = gpm->EnsureGPUReady();
+ MOZ_ASSERT(rv != NS_ERROR_ILLEGAL_DURING_SHUTDOWN);
+ } else {
+ gfxConfig::UserDisable(gfx::Feature::GPU_PROCESS, "xpcshell-test");
+ gpm->KillProcess();
+ }
+
+ *_retval = true;
+ return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfoBase::KillGPUProcessForTests() {
+ GPUProcessManager* gpm = GPUProcessManager::Get();
+ if (!gpm) {
+ // gfxPlatform has not been initialized.
+ return NS_ERROR_NOT_INITIALIZED;
+ }
+
+ gpm->KillProcess();
+ return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfoBase::CrashGPUProcessForTests() {
+ GPUProcessManager* gpm = GPUProcessManager::Get();
+ if (!gpm) {
+ // gfxPlatform has not been initialized.
+ return NS_ERROR_NOT_INITIALIZED;
+ }
+
+ gpm->CrashProcess();
+ return NS_OK;
+}
+
+GfxInfoCollectorBase::GfxInfoCollectorBase() {
+ GfxInfoBase::AddCollector(this);
+}
+
+GfxInfoCollectorBase::~GfxInfoCollectorBase() {
+ GfxInfoBase::RemoveCollector(this);
+}