Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 800 insertions, 0 deletions

diff --git a/widget/android/GfxInfo.cpp b/widget/android/GfxInfo.cpp
new file mode 100644
index 0000000000..981c2c1741
--- /dev/null
+++ b/widget/android/GfxInfo.cpp
@@ -0,0 +1,800 @@
+/* -*- 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 "GfxInfo.h"
+#include "GLContext.h"
+#include "GLContextProvider.h"
+#include "nsUnicharUtils.h"
+#include "prenv.h"
+#include "nsExceptionHandler.h"
+#include "nsHashKeys.h"
+#include "nsVersionComparator.h"
+#include "AndroidBridge.h"
+#include "nsServiceManagerUtils.h"
+
+#include "mozilla/Preferences.h"
+
+#define NS_CRASHREPORTER_CONTRACTID "@mozilla.org/toolkit/crash-reporter;1"
+
+namespace mozilla {
+namespace widget {
+
+class GfxInfo::GLStrings {
+  nsCString mVendor;
+  nsCString mRenderer;
+  nsCString mVersion;
+  bool mReady;
+
+ public:
+  GLStrings() : mReady(false) {}
+
+  const nsCString& Vendor() {
+    EnsureInitialized();
+    return mVendor;
+  }
+
+  // This spoofed value wins, even if the environment variable
+  // MOZ_GFX_SPOOF_GL_VENDOR was set.
+  void SpoofVendor(const nsCString& s) { mVendor = s; }
+
+  const nsCString& Renderer() {
+    EnsureInitialized();
+    return mRenderer;
+  }
+
+  // This spoofed value wins, even if the environment variable
+  // MOZ_GFX_SPOOF_GL_RENDERER was set.
+  void SpoofRenderer(const nsCString& s) { mRenderer = s; }
+
+  const nsCString& Version() {
+    EnsureInitialized();
+    return mVersion;
+  }
+
+  // This spoofed value wins, even if the environment variable
+  // MOZ_GFX_SPOOF_GL_VERSION was set.
+  void SpoofVersion(const nsCString& s) { mVersion = s; }
+
+  void EnsureInitialized() {
+    if (mReady) {
+      return;
+    }
+
+    RefPtr<gl::GLContext> gl;
+    nsCString discardFailureId;
+    gl = gl::GLContextProvider::CreateHeadless(
+        {gl::CreateContextFlags::REQUIRE_COMPAT_PROFILE}, &discardFailureId);
+
+    if (!gl) {
+      // Setting mReady to true here means that we won't retry. Everything will
+      // remain blocklisted forever. Ideally, we would like to update that once
+      // any GLContext is successfully created, like the compositor's GLContext.
+      mReady = true;
+      return;
+    }
+
+    gl->MakeCurrent();
+
+    if (mVendor.IsEmpty()) {
+      const char* spoofedVendor = PR_GetEnv("MOZ_GFX_SPOOF_GL_VENDOR");
+      if (spoofedVendor) {
+        mVendor.Assign(spoofedVendor);
+      } else {
+        mVendor.Assign((const char*)gl->fGetString(LOCAL_GL_VENDOR));
+      }
+    }
+
+    if (mRenderer.IsEmpty()) {
+      const char* spoofedRenderer = PR_GetEnv("MOZ_GFX_SPOOF_GL_RENDERER");
+      if (spoofedRenderer) {
+        mRenderer.Assign(spoofedRenderer);
+      } else {
+        mRenderer.Assign((const char*)gl->fGetString(LOCAL_GL_RENDERER));
+      }
+    }
+
+    if (mVersion.IsEmpty()) {
+      const char* spoofedVersion = PR_GetEnv("MOZ_GFX_SPOOF_GL_VERSION");
+      if (spoofedVersion) {
+        mVersion.Assign(spoofedVersion);
+      } else {
+        mVersion.Assign((const char*)gl->fGetString(LOCAL_GL_VERSION));
+      }
+    }
+
+    mReady = true;
+  }
+};
+
+#ifdef DEBUG
+NS_IMPL_ISUPPORTS_INHERITED(GfxInfo, GfxInfoBase, nsIGfxInfoDebug)
+#endif
+
+GfxInfo::GfxInfo()
+    : mInitialized(false),
+      mGLStrings(new GLStrings),
+      mOSVersionInteger(0),
+      mSDKVersion(0) {}
+
+GfxInfo::~GfxInfo() {}
+
+/* GetD2DEnabled and GetDwriteEnabled shouldn't be called until after
+ * gfxPlatform initialization has occurred because they depend on it for
+ * information. (See bug 591561) */
+nsresult GfxInfo::GetD2DEnabled(bool* aEnabled) { return NS_ERROR_FAILURE; }
+
+nsresult GfxInfo::GetDWriteEnabled(bool* aEnabled) { return NS_ERROR_FAILURE; }
+
+nsresult GfxInfo::GetHasBattery(bool* aHasBattery) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDWriteVersion(nsAString& aDwriteVersion) {
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetEmbeddedInFirefoxReality(bool* aEmbeddedInFirefoxReality) {
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetCleartypeParameters(nsAString& aCleartypeParams) {
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetWindowProtocol(nsAString& aWindowProtocol) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDesktopEnvironment(nsAString& aDesktopEnvironment) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+void GfxInfo::EnsureInitialized() {
+  if (mInitialized) return;
+
+  if (!mozilla::AndroidBridge::Bridge()) {
+    gfxWarning() << "AndroidBridge missing during initialization";
+    return;
+  }
+
+  if (mozilla::AndroidBridge::Bridge()->GetStaticStringField("android/os/Build",
+                                                             "MODEL", mModel)) {
+    mAdapterDescription.AppendPrintf("Model: %s",
+                                     NS_LossyConvertUTF16toASCII(mModel).get());
+  }
+
+  if (mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+          "android/os/Build", "PRODUCT", mProduct)) {
+    mAdapterDescription.AppendPrintf(
+        ", Product: %s", NS_LossyConvertUTF16toASCII(mProduct).get());
+  }
+
+  if (mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+          "android/os/Build", "MANUFACTURER", mManufacturer)) {
+    mAdapterDescription.AppendPrintf(
+        ", Manufacturer: %s", NS_LossyConvertUTF16toASCII(mManufacturer).get());
+  }
+
+  if (mozilla::AndroidBridge::Bridge()->GetStaticIntField(
+          "android/os/Build$VERSION", "SDK_INT", &mSDKVersion)) {
+    // the HARDWARE field isn't available on Android SDK < 8, but we require 9+
+    // anyway.
+    MOZ_ASSERT(mSDKVersion >= 8);
+    if (mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+            "android/os/Build", "HARDWARE", mHardware)) {
+      mAdapterDescription.AppendPrintf(
+          ", Hardware: %s", NS_LossyConvertUTF16toASCII(mHardware).get());
+    }
+  } else {
+    mSDKVersion = 0;
+  }
+
+  nsString release;
+  mozilla::AndroidBridge::Bridge()->GetStaticStringField(
+      "android/os/Build$VERSION", "RELEASE", release);
+  mOSVersion = NS_LossyConvertUTF16toASCII(release);
+
+  mOSVersionInteger = 0;
+  char a[5], b[5], c[5], d[5];
+  SplitDriverVersion(mOSVersion.get(), a, b, c, d);
+  uint8_t na = atoi(a);
+  uint8_t nb = atoi(b);
+  uint8_t nc = atoi(c);
+  uint8_t nd = atoi(d);
+
+  mOSVersionInteger = (uint32_t(na) << 24) | (uint32_t(nb) << 16) |
+                      (uint32_t(nc) << 8) | uint32_t(nd);
+
+  mAdapterDescription.AppendPrintf(
+      ", OpenGL: %s -- %s -- %s", mGLStrings->Vendor().get(),
+      mGLStrings->Renderer().get(), mGLStrings->Version().get());
+
+  AddCrashReportAnnotations();
+
+  mScreenInfo.mScreenDimensions =
+      mozilla::AndroidBridge::Bridge()->getScreenSize();
+
+  mInitialized = true;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDescription(nsAString& aAdapterDescription) {
+  EnsureInitialized();
+  aAdapterDescription = NS_ConvertASCIItoUTF16(mAdapterDescription);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDescription2(nsAString& aAdapterDescription) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterRAM(uint32_t* aAdapterRAM) {
+  EnsureInitialized();
+  *aAdapterRAM = 0;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterRAM2(uint32_t* aAdapterRAM) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriver(nsAString& aAdapterDriver) {
+  EnsureInitialized();
+  aAdapterDriver.Truncate();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriver2(nsAString& aAdapterDriver) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVendor(nsAString& aAdapterDriverVendor) {
+  EnsureInitialized();
+  aAdapterDriverVendor.Truncate();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVendor2(nsAString& aAdapterDriverVendor) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVersion(nsAString& aAdapterDriverVersion) {
+  EnsureInitialized();
+  aAdapterDriverVersion = NS_ConvertASCIItoUTF16(mGLStrings->Version());
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverVersion2(nsAString& aAdapterDriverVersion) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverDate(nsAString& aAdapterDriverDate) {
+  EnsureInitialized();
+  aAdapterDriverDate.Truncate();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDriverDate2(nsAString& aAdapterDriverDate) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterVendorID(nsAString& aAdapterVendorID) {
+  EnsureInitialized();
+  aAdapterVendorID = NS_ConvertASCIItoUTF16(mGLStrings->Vendor());
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterVendorID2(nsAString& aAdapterVendorID) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDeviceID(nsAString& aAdapterDeviceID) {
+  EnsureInitialized();
+  aAdapterDeviceID = NS_ConvertASCIItoUTF16(mGLStrings->Renderer());
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterDeviceID2(nsAString& aAdapterDeviceID) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterSubsysID(nsAString& aAdapterSubsysID) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetAdapterSubsysID2(nsAString& aAdapterSubsysID) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetIsGPU2Active(bool* aIsGPU2Active) {
+  EnsureInitialized();
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDisplayInfo(nsTArray<nsString>& aDisplayInfo) {
+  EnsureInitialized();
+  nsString displayInfo;
+  displayInfo.AppendPrintf("%dx%d",
+                           (int32_t)mScreenInfo.mScreenDimensions.width,
+                           (int32_t)mScreenInfo.mScreenDimensions.height);
+  aDisplayInfo.AppendElement(displayInfo);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDisplayWidth(nsTArray<uint32_t>& aDisplayWidth) {
+  aDisplayWidth.AppendElement((uint32_t)mScreenInfo.mScreenDimensions.width);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDisplayHeight(nsTArray<uint32_t>& aDisplayHeight) {
+  aDisplayHeight.AppendElement((uint32_t)mScreenInfo.mScreenDimensions.height);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GfxInfo::GetDrmRenderDevice(nsACString& aDrmRenderDevice) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+void GfxInfo::AddCrashReportAnnotations() {
+  CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AdapterVendorID,
+                                     mGLStrings->Vendor());
+  CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AdapterDeviceID,
+                                     mGLStrings->Renderer());
+  CrashReporter::AnnotateCrashReport(
+      CrashReporter::Annotation::AdapterDriverVersion, mGLStrings->Version());
+}
+
+const nsTArray<GfxDriverInfo>& GfxInfo::GetGfxDriverInfo() {
+  if (sDriverInfo->IsEmpty()) {
+    APPEND_TO_DRIVER_BLOCKLIST2(
+        OperatingSystem::Android, DeviceFamily::All,
+        nsIGfxInfo::FEATURE_OPENGL_LAYERS, nsIGfxInfo::FEATURE_STATUS_OK,
+        DRIVER_COMPARISON_IGNORED, GfxDriverInfo::allDriverVersions,
+        "FEATURE_OK_FORCE_OPENGL");
+  }
+
+  return *sDriverInfo;
+}
+
+nsresult GfxInfo::GetFeatureStatusImpl(
+    int32_t aFeature, int32_t* aStatus, nsAString& aSuggestedDriverVersion,
+    const nsTArray<GfxDriverInfo>& aDriverInfo, nsACString& aFailureId,
+    OperatingSystem* aOS /* = nullptr */) {
+  NS_ENSURE_ARG_POINTER(aStatus);
+  aSuggestedDriverVersion.SetIsVoid(true);
+  *aStatus = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
+  OperatingSystem os = mOS;
+  if (aOS) *aOS = os;
+
+  if (sShutdownOccurred) {
+    return NS_OK;
+  }
+
+  // OpenGL layers are never blocklisted on Android.
+  // This early return is so we avoid potentially slow
+  // GLStrings initialization on startup when we initialize GL layers.
+  if (aFeature == nsIGfxInfo::FEATURE_OPENGL_LAYERS) {
+    *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
+    return NS_OK;
+  }
+
+  EnsureInitialized();
+
+  if (mGLStrings->Vendor().IsEmpty() || mGLStrings->Renderer().IsEmpty()) {
+    *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+    return NS_OK;
+  }
+
+  // Don't evaluate special cases when evaluating the downloaded blocklist.
+  if (aDriverInfo.IsEmpty()) {
+    if (aFeature == nsIGfxInfo::FEATURE_CANVAS2D_ACCELERATION) {
+      if (mSDKVersion < 11) {
+        // It's slower than software due to not having a compositing fast path
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION;
+        aFailureId = "FEATURE_FAILURE_CANVAS_2D_SDK";
+      } else if (mGLStrings->Renderer().Find("Vivante GC1000") != -1) {
+        // Blocklist Vivante GC1000. See bug 1248183.
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+        aFailureId = "FEATURE_FAILED_CANVAS_2D_HW";
+      } else {
+        *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
+      }
+      return NS_OK;
+    }
+
+    if (aFeature == FEATURE_WEBGL_OPENGL) {
+      if (mGLStrings->Renderer().Find("Adreno 200") != -1 ||
+          mGLStrings->Renderer().Find("Adreno 205") != -1) {
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+        aFailureId = "FEATURE_FAILURE_ADRENO_20x";
+        return NS_OK;
+      }
+
+      if (mSDKVersion <= 17) {
+        if (mGLStrings->Renderer().Find("Adreno (TM) 3") != -1) {
+          *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+          aFailureId = "FEATURE_FAILURE_ADRENO_3xx";
+        }
+        return NS_OK;
+      }
+
+      if (mHardware.EqualsLiteral("ville")) {
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+        aFailureId = "FEATURE_FAILURE_VILLE";
+        return NS_OK;
+      }
+    }
+
+    if (aFeature == FEATURE_STAGEFRIGHT) {
+      NS_LossyConvertUTF16toASCII cManufacturer(mManufacturer);
+      NS_LossyConvertUTF16toASCII cModel(mModel);
+      NS_LossyConvertUTF16toASCII cHardware(mHardware);
+
+      if (cHardware.EqualsLiteral("antares") ||
+          cHardware.EqualsLiteral("harmony") ||
+          cHardware.EqualsLiteral("picasso") ||
+          cHardware.EqualsLiteral("picasso_e") ||
+          cHardware.EqualsLiteral("ventana") ||
+          cHardware.EqualsLiteral("rk30board")) {
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+        aFailureId = "FEATURE_FAILURE_STAGE_HW";
+        return NS_OK;
+      }
+
+      if (CompareVersions(mOSVersion.get(), "4.1.0") < 0) {
+        // Whitelist:
+        //   All Samsung ICS devices, except for:
+        //     Samsung SGH-I717 (Bug 845729)
+        //     Samsung SGH-I727 (Bug 845729)
+        //     Samsung SGH-I757 (Bug 845729)
+        //   All Galaxy nexus ICS devices
+        //   Sony Xperia Ion (LT28) ICS devices
+        bool isWhitelisted =
+            cModel.Equals("LT28h", nsCaseInsensitiveCStringComparator) ||
+            cManufacturer.Equals("samsung",
+                                 nsCaseInsensitiveCStringComparator) ||
+            cModel.Equals(
+                "galaxy nexus",
+                nsCaseInsensitiveCStringComparator);  // some Galaxy Nexus
+                                                      // have
+                                                      // manufacturer=amazon
+
+        if (cModel.Find("SGH-I717", true) != -1 ||
+            cModel.Find("SGH-I727", true) != -1 ||
+            cModel.Find("SGH-I757", true) != -1) {
+          isWhitelisted = false;
+        }
+
+        if (!isWhitelisted) {
+          *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+          aFailureId = "FEATURE_FAILURE_4_1_HW";
+          return NS_OK;
+        }
+      } else if (CompareVersions(mOSVersion.get(), "4.2.0") < 0) {
+        // Whitelist:
+        //   All JB phones except for those in blocklist below
+        // Blocklist:
+        //   Samsung devices from bug 812881 and 853522.
+        //   Motorola XT890 from bug 882342.
+        bool isBlocklisted = cModel.Find("GT-P3100", true) != -1 ||
+                             cModel.Find("GT-P3110", true) != -1 ||
+                             cModel.Find("GT-P3113", true) != -1 ||
+                             cModel.Find("GT-P5100", true) != -1 ||
+                             cModel.Find("GT-P5110", true) != -1 ||
+                             cModel.Find("GT-P5113", true) != -1 ||
+                             cModel.Find("XT890", true) != -1;
+
+        if (isBlocklisted) {
+          *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+          aFailureId = "FEATURE_FAILURE_4_2_HW";
+          return NS_OK;
+        }
+      } else if (CompareVersions(mOSVersion.get(), "4.3.0") < 0) {
+        // Blocklist all Sony devices
+        if (cManufacturer.Find("Sony", true) != -1) {
+          *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+          aFailureId = "FEATURE_FAILURE_4_3_SONY";
+          return NS_OK;
+        }
+      }
+    }
+
+    if (aFeature == FEATURE_WEBRTC_HW_ACCELERATION_ENCODE) {
+      if (mozilla::AndroidBridge::Bridge()) {
+        *aStatus = WebRtcHwVp8EncodeSupported();
+        aFailureId = "FEATURE_FAILURE_WEBRTC_ENCODE";
+        return NS_OK;
+      }
+    }
+    if (aFeature == FEATURE_WEBRTC_HW_ACCELERATION_DECODE) {
+      if (mozilla::AndroidBridge::Bridge()) {
+        *aStatus = WebRtcHwVp8DecodeSupported();
+        aFailureId = "FEATURE_FAILURE_WEBRTC_DECODE";
+        return NS_OK;
+      }
+    }
+    if (aFeature == FEATURE_WEBRTC_HW_ACCELERATION_H264) {
+      if (mozilla::AndroidBridge::Bridge()) {
+        *aStatus = WebRtcHwH264Supported();
+        aFailureId = "FEATURE_FAILURE_WEBRTC_H264";
+        return NS_OK;
+      }
+    }
+    if (aFeature == FEATURE_VP8_HW_DECODE ||
+        aFeature == FEATURE_VP9_HW_DECODE) {
+      NS_LossyConvertUTF16toASCII model(mModel);
+      bool isBlocked =
+          // GIFV crash, see bug 1232911.
+          model.Equals("GT-N8013", nsCaseInsensitiveCStringComparator);
+
+      if (isBlocked) {
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+        aFailureId = "FEATURE_FAILURE_VPx";
+      } else {
+        *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
+      }
+      return NS_OK;
+    }
+
+    if (aFeature == FEATURE_WEBRENDER) {
+      bool isUnblocked = false;
+      const nsCString& gpu = mGLStrings->Renderer();
+      NS_LossyConvertUTF16toASCII model(mModel);
+
+#ifdef NIGHTLY_BUILD
+      // On Nightly enable Webrender on all Adreno 5xx GPUs
+      isUnblocked |= gpu.Find("Adreno (TM) 5", /*ignoreCase*/ true) >= 0;
+
+      // On Nightly enable Webrender on all Mali-Txxx GPUs
+      isUnblocked |= gpu.Find("Mali-T", /*ignoreCase*/ true) >= 0;
+#endif
+      // Enable Webrender on all Adreno 5xx GPUs, excluding 505 and 506.
+      isUnblocked |=
+          gpu.Find("Adreno (TM) 5", /*ignoreCase*/ true) >= 0 &&
+          gpu.Find("Adreno (TM) 505", /*ignoreCase*/ true) == kNotFound &&
+          gpu.Find("Adreno (TM) 506", /*ignoreCase*/ true) == kNotFound;
+
+      // Enable Webrender on all Adreno 6xx devices
+      isUnblocked |= gpu.Find("Adreno (TM) 6", /*ignoreCase*/ true) >= 0;
+
+      // Enable Webrender on all Mali-Gxx GPUs...
+      isUnblocked |= gpu.Find("Mali-G", /*ignoreCase*/ true) >= 0 &&
+                     // Excluding G72 and G76 on Android 11, due to
+                     // bugs 1688705 and 1688017.
+                     !(mSDKVersion == 30 &&
+                       (gpu.Find("Mali-G72", /*ignoreCase*/ true) >= 0 ||
+                        gpu.Find("Mali-G76", /*ignoreCase*/ true) >= 0)) &&
+                     // And excluding G31 due to bug 1689947.
+                     gpu.Find("Mali-G31", /*ignoreCase*/ true) == kNotFound;
+
+      if (!isUnblocked) {
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+        aFailureId = "FEATURE_FAILURE_WEBRENDER_BLOCKED_DEVICE";
+      } else {
+        *aStatus = nsIGfxInfo::FEATURE_ALLOW_QUALIFIED;
+      }
+      return NS_OK;
+    }
+
+    if (aFeature == FEATURE_WEBRENDER_SCISSORED_CACHE_CLEARS) {
+      // Emulator with SwiftShader is buggy when attempting to clear picture
+      // cache textures with a scissor rect set.
+      const bool isEmulatorSwiftShader =
+          mGLStrings->Renderer().Find(
+              "Android Emulator OpenGL ES Translator (Google SwiftShader)") >=
+          0;
+      if (isEmulatorSwiftShader) {
+        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+        aFailureId = "FEATURE_FAILURE_BUG_1603515";
+      } else {
+        *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
+      }
+      return NS_OK;
+    }
+  }
+
+  return GfxInfoBase::GetFeatureStatusImpl(
+      aFeature, aStatus, aSuggestedDriverVersion, aDriverInfo, aFailureId, &os);
+}
+
+static nsCString FeatureCacheOsVerPrefName(int32_t aFeature) {
+  nsCString osPrefName;
+  osPrefName.AppendASCII("gfxinfo.cache.");
+  osPrefName.AppendInt(aFeature);
+  osPrefName.AppendASCII(".osver");
+  return osPrefName;
+}
+
+static nsCString FeatureCacheValuePrefName(int32_t aFeature) {
+  nsCString osPrefName;
+  osPrefName.AppendASCII("gfxinfo.cache.");
+  osPrefName.AppendInt(aFeature);
+  osPrefName.AppendASCII(".value");
+  return osPrefName;
+}
+
+static bool GetCachedFeatureVal(int32_t aFeature, uint32_t aExpectedOsVer,
+                                int32_t& aOutStatus) {
+  uint32_t osVer = 0;
+  nsresult rv =
+      Preferences::GetUint(FeatureCacheOsVerPrefName(aFeature).get(), &osVer);
+  if (NS_FAILED(rv) || osVer != aExpectedOsVer) {
+    return false;
+  }
+  int32_t status = 0;
+  rv = Preferences::GetInt(FeatureCacheValuePrefName(aFeature).get(), &status);
+  if (NS_FAILED(rv)) {
+    return false;
+  }
+  aOutStatus = status;
+  return true;
+}
+
+static void SetCachedFeatureVal(int32_t aFeature, uint32_t aOsVer,
+                                int32_t aStatus) {
+  // Ignore failures; not much we can do anyway.
+  Preferences::SetUint(FeatureCacheOsVerPrefName(aFeature).get(), aOsVer);
+  Preferences::SetInt(FeatureCacheValuePrefName(aFeature).get(), aStatus);
+}
+
+int32_t GfxInfo::WebRtcHwVp8EncodeSupported() {
+  MOZ_ASSERT(mozilla::AndroidBridge::Bridge());
+
+  // The Android side of this calculation is very slow, so we cache the result
+  // in preferences, invalidating if the OS version changes.
+
+  int32_t status = 0;
+  if (GetCachedFeatureVal(FEATURE_WEBRTC_HW_ACCELERATION_ENCODE,
+                          mOSVersionInteger, status)) {
+    return status;
+  }
+
+  status = mozilla::AndroidBridge::Bridge()->HasHWVP8Encoder()
+               ? nsIGfxInfo::FEATURE_STATUS_OK
+               : nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+
+  SetCachedFeatureVal(FEATURE_WEBRTC_HW_ACCELERATION_ENCODE, mOSVersionInteger,
+                      status);
+
+  return status;
+}
+
+int32_t GfxInfo::WebRtcHwVp8DecodeSupported() {
+  MOZ_ASSERT(mozilla::AndroidBridge::Bridge());
+
+  // The Android side of this caclulation is very slow, so we cache the result
+  // in preferences, invalidating if the OS version changes.
+
+  int32_t status = 0;
+  if (GetCachedFeatureVal(FEATURE_WEBRTC_HW_ACCELERATION_DECODE,
+                          mOSVersionInteger, status)) {
+    return status;
+  }
+
+  status = mozilla::AndroidBridge::Bridge()->HasHWVP8Decoder()
+               ? nsIGfxInfo::FEATURE_STATUS_OK
+               : nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+
+  SetCachedFeatureVal(FEATURE_WEBRTC_HW_ACCELERATION_DECODE, mOSVersionInteger,
+                      status);
+
+  return status;
+}
+
+int32_t GfxInfo::WebRtcHwH264Supported() {
+  MOZ_ASSERT(mozilla::AndroidBridge::Bridge());
+
+  // The Android side of this calculation is very slow, so we cache the result
+  // in preferences, invalidating if the OS version changes.
+
+  int32_t status = 0;
+  if (GetCachedFeatureVal(FEATURE_WEBRTC_HW_ACCELERATION_H264,
+                          mOSVersionInteger, status)) {
+    return status;
+  }
+
+  status = mozilla::AndroidBridge::Bridge()->HasHWH264()
+               ? nsIGfxInfo::FEATURE_STATUS_OK
+               : nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
+
+  SetCachedFeatureVal(FEATURE_WEBRTC_HW_ACCELERATION_H264, mOSVersionInteger,
+                      status);
+
+  return status;
+}
+
+#ifdef DEBUG
+
+// Implement nsIGfxInfoDebug
+
+NS_IMETHODIMP GfxInfo::SpoofVendorID(const nsAString& aVendorID) {
+  mGLStrings->SpoofVendor(NS_LossyConvertUTF16toASCII(aVendorID));
+  return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfo::SpoofDeviceID(const nsAString& aDeviceID) {
+  mGLStrings->SpoofRenderer(NS_LossyConvertUTF16toASCII(aDeviceID));
+  return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfo::SpoofDriverVersion(const nsAString& aDriverVersion) {
+  mGLStrings->SpoofVersion(NS_LossyConvertUTF16toASCII(aDriverVersion));
+  return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfo::SpoofOSVersion(uint32_t aVersion) {
+  EnsureInitialized();
+  mOSVersion = aVersion;
+  return NS_OK;
+}
+
+NS_IMETHODIMP GfxInfo::FireTestProcess() { return NS_OK; }
+
+#endif
+
+nsString GfxInfo::Model() {
+  EnsureInitialized();
+  return mModel;
+}
+
+nsString GfxInfo::Hardware() {
+  EnsureInitialized();
+  return mHardware;
+}
+
+nsString GfxInfo::Product() {
+  EnsureInitialized();
+  return mProduct;
+}
+
+nsString GfxInfo::Manufacturer() {
+  EnsureInitialized();
+  return mManufacturer;
+}
+
+uint32_t GfxInfo::OperatingSystemVersion() {
+  EnsureInitialized();
+  return mOSVersionInteger;
+}
+
+}  // namespace widget
+}  // namespace mozilla