Quelle GfxInfo.cpp Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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 <cctype>
#include <errno.h>
#include <unistd.h>
#include <string>
#include <poll.h>
#include <sys/types.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#include <glib.h>
#include <fcntl.h>

#include "mozilla/gfx/Logging.h"
#include "mozilla/SSE.h"
#include "mozilla/glean/GfxMetrics.h"
#include "mozilla/XREAppData.h"
#include "mozilla/ScopeExit.h"
#include "mozilla/GUniquePtr.h"
#include "mozilla/StaticPrefs_media.h"
#include "nsCRTGlue.h"
#include "nsExceptionHandler.h"
#include "nsPrintfCString.h"
#include "nsString.h"
#include "nsStringFwd.h"
#include "nsUnicharUtils.h"
#include "nsWhitespaceTokenizer.h"
#include "prenv.h"
#include "WidgetUtilsGtk.h"
#include "MediaCodecsSupport.h"
#include "nsAppRunner.h"

// How long we wait for data from glxtest/vaapi test process in milliseconds.
#define GFX_TEST_TIMEOUT 4000
#define VAAPI_TEST_TIMEOUT 2000
#define V4L2_TEST_TIMEOUT 2000

#define GLX_PROBE_BINARY u"glxtest"_ns
#define VAAPI_PROBE_BINARY u"vaapitest"_ns
#define V4L2_PROBE_BINARY u"v4l2test"_ns

namespace mozilla::widget {

#ifdef DEBUG
NS_IMPL_ISUPPORTS_INHERITED(GfxInfo, GfxInfoBase, nsIGfxInfoDebug)
#endif

int GfxInfo::sGLXTestPipe = -1;
pid_t GfxInfo::sGLXTestPID = 0;

// bits to use decoding codec information returned from glxtest
constexpr int CODEC_HW_H264 = 1 << 4;
constexpr int CODEC_HW_VP8 = 1 << 5;
constexpr int CODEC_HW_VP9 = 1 << 6;
constexpr int CODEC_HW_AV1 = 1 << 7;

nsresult GfxInfo::Init() {
  mGLMajorVersion = 0;
  mGLMinorVersion = 0;
  mHasTextureFromPixmap = false;
  mIsMesa = false;
  mIsAccelerated = true;
  mIsWayland = false;
  mIsXWayland = false;
  mHasMultipleGPUs = false;
  mGlxTestError = false;
  return GfxInfoBase::Init();
}

void GfxInfo::AddCrashReportAnnotations() {
  CrashReporter::RecordAnnotationNSCString(
      CrashReporter::Annotation::AdapterVendorID, mVendorId);
  CrashReporter::RecordAnnotationNSCString(
      CrashReporter::Annotation::AdapterDeviceID, mDeviceId);
  CrashReporter::RecordAnnotationNSCString(
      CrashReporter::Annotation::AdapterDriverVendor, mDriverVendor);
  CrashReporter::RecordAnnotationNSCString(
      CrashReporter::Annotation::AdapterDriverVersion, mDriverVersion);
  CrashReporter::RecordAnnotationBool(CrashReporter::Annotation::IsWayland,
                                      mIsWayland);
  CrashReporter::RecordAnnotationNSCString(
      CrashReporter::Annotation::DesktopEnvironment,
      GetDesktopEnvironmentIdentifier());

  if (mHasMultipleGPUs) {
    nsAutoCString note;
    note.AppendLiteral("Has dual GPUs.");
    if (!mSecondaryVendorId.IsEmpty()) {
      note.AppendLiteral(" GPU #2: AdapterVendorID2: ");
      note.Append(mSecondaryVendorId);
      note.AppendLiteral(", AdapterDeviceID2: ");
      note.Append(mSecondaryDeviceId);
    }
    CrashReporter::AppendAppNotesToCrashReport(note);
  }
}

static bool MakeFdNonBlocking(int fd) {
  return fcntl(fd, F_SETFL, fcntl(fd, F_GETFL, 0) | O_NONBLOCK) != -1;
}

static bool ManageChildProcess(const char* aProcessName, int* aPID, int* aPipe,
                               int aTimeout, char** aData) {
  // Don't try anything if we failed before
  if (*aPID < 0) {
    return false;
  }

  GIOChannel* channel = nullptr;
  *aData = nullptr;

  auto free = mozilla::MakeScopeExit([&] {
    if (channel) {
      g_io_channel_unref(channel);
    }
    if (*aPipe >= 0) {
      close(*aPipe);
      *aPipe = -1;
    }
  });

  const TimeStamp deadline =
      TimeStamp::Now() + TimeDuration::FromMilliseconds(aTimeout);

  struct pollfd pfd{};
  pfd.fd = *aPipe;
  pfd.events = POLLIN;

  while (poll(&pfd, 1, aTimeout) != 1) {
    if (errno != EAGAIN && errno != EINTR) {
      gfxCriticalNote << "ManageChildProcess(" << aProcessName
                      << "): poll failed: " << strerror(errno) << "\n";
      return false;
    }
    if (TimeStamp::Now() > deadline) {
      gfxCriticalNote << "ManageChildProcess(" << aProcessName
                      << "): process hangs\n";
      return false;
    }
  }

  channel = g_io_channel_unix_new(*aPipe);
  MakeFdNonBlocking(*aPipe);

  GUniquePtr<GError> error;
  gsize length = 0;
  int ret;
  do {
    error = nullptr;
    ret = g_io_channel_read_to_end(channel, aData, &length,
                                   getter_Transfers(error));
  } while (ret == G_IO_STATUS_AGAIN && TimeStamp::Now() < deadline);
  if (error || ret != G_IO_STATUS_NORMAL) {
    gfxCriticalNote << "ManageChildProcess(" << aProcessName
                    << "): failed to read data from child process: ";
    if (error) {
      gfxCriticalNote << error->message;
    } else {
      gfxCriticalNote << "timeout";
    }
    return false;
  }

  int status = 0;
  int pid = *aPID;
  *aPID = -1;

  while (true) {
    int ret = waitpid(pid, &status, WNOHANG);
    if (ret > 0) {
      break;
    }
    if (ret < 0) {
      if (errno == ECHILD) {
        // Bug 718629
        // ECHILD happens when the glxtest process got reaped got reaped after a
        // PR_CreateProcess as per bug 227246. This shouldn't matter, as we
        // still seem to get the data from the pipe, and if we didn't, the
        // outcome would be to blocklist anyway.
        return true;
      }
      if (errno != EAGAIN && errno != EINTR) {
        gfxCriticalNote << "ManageChildProcess(" << aProcessName
                        << "): waitpid failed: " << strerror(errno) << "\n";
        return false;
      }
    }
    if (TimeStamp::Now() > deadline) {
      gfxCriticalNote << "ManageChildProcess(" << aProcessName
                      << "): process hangs\n";
      return false;
    }
    // Wait 50ms to another waitpid() check.
    usleep(50000);
  }

  return WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS;
}

// to understand this function, see bug 639842. We retrieve the OpenGL driver
// information in a separate process to protect against bad drivers.
void GfxInfo::GetData() {
  if (mInitialized) {
    return;
  }
  mInitialized = true;

  // In some cases (xpcshell test, Profile manager etc.)
  // FireGLXTestProcess() is not fired in advance
  // so we call it here.
  GfxInfo::FireGLXTestProcess();

  GfxInfoBase::GetData();

  char* glxData = nullptr;
  auto free = mozilla::MakeScopeExit([&] { g_free((void*)glxData); });

  bool error = !ManageChildProcess("glxtest", &sGLXTestPID, &sGLXTestPipe,
                                   GFX_TEST_TIMEOUT, &glxData);
  if (error) {
    gfxCriticalNote << "glxtest: ManageChildProcess failed\n";
  }

  nsCString glVendor;
  nsCString glRenderer;
  nsCString glVersion;
  nsCString textureFromPixmap;
  nsCString testType;

  // Available if GLX_MESA_query_renderer is supported.
  nsCString mesaVendor;
  nsCString mesaDevice;
  nsCString mesaAccelerated;
  // Available if using a DRI-based libGL stack.
  nsCString driDriver;
  nsCString adapterRam;

  nsCString drmRenderDevice;

  nsCString ddxDriver;

  AutoTArray<nsCString, 2> pciVendors;
  AutoTArray<nsCString, 2> pciDevices;

  nsCString* stringToFill = nullptr;
  bool logString = false;
  bool errorLog = false;

  char* bufptr = glxData;

  while (true) {
    char* line = NS_strtok("\n", &bufptr);
    if (!line) break;
    if (stringToFill) {
      stringToFill->Assign(line);
      stringToFill = nullptr;
    } else if (logString) {
      gfxCriticalNote << "glxtest: " << line;
      logString = false;
    } else if (!strcmp(line, "VENDOR")) {
      stringToFill = &glVendor;
    } else if (!strcmp(line, "RENDERER")) {
      stringToFill = &glRenderer;
    } else if (!strcmp(line, "VERSION")) {
      stringToFill = &glVersion;
    } else if (!strcmp(line, "TFP")) {
      stringToFill = &textureFromPixmap;
    } else if (!strcmp(line, "MESA_VENDOR_ID")) {
      stringToFill = &mesaVendor;
    } else if (!strcmp(line, "MESA_DEVICE_ID")) {
      stringToFill = &mesaDevice;
    } else if (!strcmp(line, "MESA_ACCELERATED")) {
      stringToFill = &mesaAccelerated;
    } else if (!strcmp(line, "MESA_VRAM")) {
      stringToFill = &adapterRam;
    } else if (!strcmp(line, "DDX_DRIVER")) {
      stringToFill = &ddxDriver;
    } else if (!strcmp(line, "DRI_DRIVER")) {
      stringToFill = &driDriver;
    } else if (!strcmp(line, "PCI_VENDOR_ID")) {
      stringToFill = pciVendors.AppendElement();
    } else if (!strcmp(line, "PCI_DEVICE_ID")) {
      stringToFill = pciDevices.AppendElement();
    } else if (!strcmp(line, "DRM_RENDERDEVICE")) {
      stringToFill = &drmRenderDevice;
    } else if (!strcmp(line, "TEST_TYPE")) {
      stringToFill = &testType;
    } else if (!strcmp(line, "WARNING")) {
      logString = true;
    } else if (!strcmp(line, "ERROR")) {
      logString = true;
      errorLog = true;
    }
  }

  MOZ_ASSERT(pciDevices.Length() == pciVendors.Length(),
             "Missing PCI vendors/devices");

  size_t pciLen = std::min(pciVendors.Length(), pciDevices.Length());
  mHasMultipleGPUs = pciLen > 1;

  if (!strcmp(textureFromPixmap.get(), "TRUE")) mHasTextureFromPixmap = true;

  // only useful for Linux kernel version check for FGLRX driver.
  // assumes X client == X server, which is sad.
  struct utsname unameobj{};
  if (uname(&unameobj) >= 0) {
    mOS.Assign(unameobj.sysname);
    mOSRelease.Assign(unameobj.release);
  }

  const char* spoofedVendor = PR_GetEnv("MOZ_GFX_SPOOF_GL_VENDOR");
  if (spoofedVendor) glVendor.Assign(spoofedVendor);
  const char* spoofedRenderer = PR_GetEnv("MOZ_GFX_SPOOF_GL_RENDERER");
  if (spoofedRenderer) glRenderer.Assign(spoofedRenderer);
  const char* spoofedVersion = PR_GetEnv("MOZ_GFX_SPOOF_GL_VERSION");
  if (spoofedVersion) glVersion.Assign(spoofedVersion);
  const char* spoofedOS = PR_GetEnv("MOZ_GFX_SPOOF_OS");
  if (spoofedOS) mOS.Assign(spoofedOS);
  const char* spoofedOSRelease = PR_GetEnv("MOZ_GFX_SPOOF_OS_RELEASE");
  if (spoofedOSRelease) mOSRelease.Assign(spoofedOSRelease);

  // Scan the GL_VERSION string for the GL and driver versions.
  nsCWhitespaceTokenizer tokenizer(glVersion);
  while (tokenizer.hasMoreTokens()) {
    nsCString token(tokenizer.nextToken());
    unsigned int major = 0, minor = 0, revision = 0, patch = 0;
    if (sscanf(token.get(), "%u.%u.%u.%u", &major, &minor, &revision, &patch) >=
        2) {
      // A survey of GL_VENDOR strings indicates that the first version is
      // always the GL version, the second is usually the driver version.
      if (mGLMajorVersion == 0) {
        mGLMajorVersion = major;
        mGLMinorVersion = minor;
      } else if (mDriverVersion.IsEmpty()) {  // Not already spoofed.
        mDriverVersion =
            nsPrintfCString("%u.%u.%u.%u", major, minor, revision, patch);
      }
    }
  }

  if (mGLMajorVersion == 0) {
    NS_WARNING("Failed to parse GL version!");
  }

  mDrmRenderDevice = std::move(drmRenderDevice);
  mTestType = std::move(testType);

  // Mesa always exposes itself in the GL_VERSION string, but not always the
  // GL_VENDOR string.
  mIsMesa = glVersion.Find("Mesa") != -1;

  // We need to use custom driver vendor IDs for mesa so we can treat them
  // differently than the proprietary drivers.
  if (mIsMesa) {
    mIsAccelerated = !mesaAccelerated.Equals("FALSE");
    // Process software rasterizers before the DRI driver string; we may be
    // forcing software rasterization on a DRI-accelerated X server by using
    // LIBGL_ALWAYS_SOFTWARE or a similar restriction.
    if (strcasestr(glRenderer.get(), "llvmpipe")) {
      CopyUTF16toUTF8(
          GfxDriverInfo::GetDriverVendor(DriverVendor::MesaLLVMPipe),
          mDriverVendor);
      mIsAccelerated = false;
    } else if (strcasestr(glRenderer.get(), "softpipe")) {
      CopyUTF16toUTF8(
          GfxDriverInfo::GetDriverVendor(DriverVendor::MesaSoftPipe),
          mDriverVendor);
      mIsAccelerated = false;
    } else if (strcasestr(glRenderer.get(), "software rasterizer")) {
      CopyUTF16toUTF8(GfxDriverInfo::GetDriverVendor(DriverVendor::MesaSWRast),
                      mDriverVendor);
      mIsAccelerated = false;
    } else if (strcasestr(driDriver.get(), "vmwgfx")) {
      CopyUTF16toUTF8(GfxDriverInfo::GetDriverVendor(DriverVendor::MesaVM),
                      mDriverVendor);
      mIsAccelerated = false;
    } else if (!mIsAccelerated) {
      CopyUTF16toUTF8(
          GfxDriverInfo::GetDriverVendor(DriverVendor::MesaSWUnknown),
          mDriverVendor);
    } else if (!driDriver.IsEmpty()) {
      mDriverVendor = nsPrintfCString("mesa/%s", driDriver.get());
    } else {
      // Some other mesa configuration where we couldn't get enough info.
      NS_WARNING("Failed to detect Mesa driver being used!");
      CopyUTF16toUTF8(GfxDriverInfo::GetDriverVendor(DriverVendor::MesaUnknown),
                      mDriverVendor);
    }

    if (!mesaVendor.IsEmpty()) {
      mVendorId = mesaVendor;
    }

    if (!mesaDevice.IsEmpty()) {
      mDeviceId = mesaDevice;
    }

    if (!mIsAccelerated && mVendorId.IsEmpty()) {
      mVendorId.Assign(glVendor.get());
    }

    if (!mIsAccelerated && mDeviceId.IsEmpty()) {
      mDeviceId.Assign(glRenderer.get());
    }
  } else if (glVendor.EqualsLiteral("NVIDIA Corporation")) {
    CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(DeviceVendor::NVIDIA),
                    mVendorId);
    mDriverVendor.AssignLiteral("nvidia/unknown");
    // TODO: Use NV-CONTROL X11 extension to query Device ID and VRAM.
  } else if (glVendor.EqualsLiteral("ATI Technologies Inc.")) {
    CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(DeviceVendor::ATI),
                    mVendorId);
    mDriverVendor.AssignLiteral("ati/unknown");
    // TODO: Look into ways to find the device ID on FGLRX.
  } else {
    NS_WARNING("Failed to detect GL vendor!");
  }

  if (!adapterRam.IsEmpty()) {
    mAdapterRAM = (uint32_t)atoi(adapterRam.get());
  }

  // If we have the DRI driver, we can derive the vendor ID from that if needed.
  if (mVendorId.IsEmpty() && !driDriver.IsEmpty()) {
    const char* nvidiaDrivers[] = {"nouveau", "tegra", nullptr};
    for (size_t i = 0; nvidiaDrivers[i]; ++i) {
      if (driDriver.Equals(nvidiaDrivers[i])) {
        CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(DeviceVendor::NVIDIA),
                        mVendorId);
        break;
      }
    }

    if (mVendorId.IsEmpty()) {
      const char* intelDrivers[] = {"iris", "crocus", "i915", "i965",
                                    "i810", "intel",  nullptr};
      for (size_t i = 0; intelDrivers[i]; ++i) {
        if (driDriver.Equals(intelDrivers[i])) {
          CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(DeviceVendor::Intel),
                          mVendorId);
          break;
        }
      }
    }

    if (mVendorId.IsEmpty()) {
      const char* amdDrivers[] = {"r600",   "r200",     "r100",
                                  "radeon", "radeonsi", nullptr};
      for (size_t i = 0; amdDrivers[i]; ++i) {
        if (driDriver.Equals(amdDrivers[i])) {
          CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(DeviceVendor::ATI),
                          mVendorId);
          break;
        }
      }
    }

    if (mVendorId.IsEmpty()) {
      if (driDriver.EqualsLiteral("freedreno")) {
        CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(DeviceVendor::Qualcomm),
                        mVendorId);
      }
    }
  }

  // If we still don't have a vendor ID, we can try the PCI vendor list.
  if (mVendorId.IsEmpty()) {
    if (pciVendors.IsEmpty()) {
      gfxCriticalNote << "No GPUs detected via PCI\n";
    } else {
      for (size_t i = 0; i < pciVendors.Length(); ++i) {
        if (mVendorId.IsEmpty()) {
          mVendorId = pciVendors[i];
        } else if (mVendorId != pciVendors[i]) {
          gfxCriticalNote << "More than 1 GPU vendor detected via PCI, cannot "
                             "deduce vendor\n";
          mVendorId.Truncate();
          break;
        }
      }
    }
  }

  // If we know the vendor ID, but didn't get a device ID, we can guess from the
  // PCI device list.
  if (mDeviceId.IsEmpty() && !mVendorId.IsEmpty()) {
    for (size_t i = 0; i < pciLen; ++i) {
      if (mVendorId.Equals(pciVendors[i])) {
        if (mDeviceId.IsEmpty()) {
          mDeviceId = pciDevices[i];
        } else if (mDeviceId != pciDevices[i]) {
          gfxCriticalNote << "More than 1 GPU from same vendor detected via "
                             "PCI, cannot deduce device\n";
          mDeviceId.Truncate();
          break;
        }
      }
    }
  }

  // Assuming we know the vendor, we should check for a secondary card.
  if (!mVendorId.IsEmpty()) {
    if (pciLen > 2) {
      gfxCriticalNote
          << "More than 2 GPUs detected via PCI, secondary GPU is arbitrary\n";
    }
    for (size_t i = 0; i < pciLen; ++i) {
      if (!mVendorId.Equals(pciVendors[i]) ||
          (!mDeviceId.IsEmpty() && !mDeviceId.Equals(pciDevices[i]))) {
        mSecondaryVendorId = pciVendors[i];
        mSecondaryDeviceId = pciDevices[i];
        break;
      }
    }
  }

  // If we couldn't choose, log them.
  if (mVendorId.IsEmpty()) {
    for (size_t i = 0; i < pciLen; ++i) {
      gfxCriticalNote << "PCI candidate " << pciVendors[i].get() << "/"
                      << pciDevices[i].get() << "\n";
    }
  }

  // Fallback to GL_VENDOR and GL_RENDERER.
  if (mVendorId.IsEmpty()) {
    mVendorId.Assign(glVendor.get());
  }
  if (mDeviceId.IsEmpty()) {
    mDeviceId.Assign(glRenderer.get());
  }

  mAdapterDescription.Assign(glRenderer);

  // Make a best effort guess at whether or not we are using the XWayland compat
  // layer. For all intents and purposes, we should otherwise believe we are
  // using X11.
  mIsWayland = GdkIsWaylandDisplay();
  mIsXWayland = IsXWaylandProtocol();

  if (!ddxDriver.IsEmpty()) {
    PRInt32 start = 0;
    PRInt32 loc = ddxDriver.Find(";", start);
    while (loc != kNotFound) {
      nsCString line(ddxDriver.get() + start, loc - start);
      mDdxDrivers.AppendElement(std::move(line));

      start = loc + 1;
      loc = ddxDriver.Find(";", start);
    }
  }

  if (error || errorLog || mTestType.IsEmpty()) {
    if (!mAdapterDescription.IsEmpty()) {
      mAdapterDescription.AppendLiteral(" (See failure log)");
    } else {
      mAdapterDescription.AppendLiteral("See failure log");
    }

    mGlxTestError = true;
  }

  AddCrashReportAnnotations();
}

int GfxInfo::FireTestProcess(const nsAString& aBinaryFile, int* aOutPipe,
                             const char** aStringArgs) {
  nsCOMPtr<nsIFile> appFile;
  nsresult rv = XRE_GetBinaryPath(getter_AddRefs(appFile));
  if (NS_FAILED(rv)) {
    gfxCriticalNote << "Couldn't find application file.\n";
    return false;
  }
  nsCOMPtr<nsIFile> exePath;
  rv = appFile->GetParent(getter_AddRefs(exePath));
  if (NS_FAILED(rv)) {
    gfxCriticalNote << "Couldn't get application directory.\n";
    return false;
  }
  exePath->Append(aBinaryFile);

#define MAX_ARGS 8
  char* argv[MAX_ARGS + 2];

  argv[0] = strdup(exePath->NativePath().get());
  for (int i = 0; i < MAX_ARGS; i++) {
    if (aStringArgs[i]) {
      argv[i + 1] = strdup(aStringArgs[i]);
    } else {
      argv[i + 1] = nullptr;
      break;
    }
  }

  // Use G_SPAWN_LEAVE_DESCRIPTORS_OPEN | G_SPAWN_DO_NOT_REAP_CHILD flags
  // to g_spawn_async_with_pipes() run posix_spawn() directly.
  int pid;
  GUniquePtr<GError> err;
  g_spawn_async_with_pipes(
      nullptr, argv, nullptr,
      GSpawnFlags(G_SPAWN_LEAVE_DESCRIPTORS_OPEN | G_SPAWN_DO_NOT_REAP_CHILD),
      nullptr, nullptr, &pid, nullptr, aOutPipe, nullptr,
      getter_Transfers(err));
  if (err) {
    gfxCriticalNote << "FireTestProcess failed: " << err->message << "\n";
    pid = 0;
  }
  for (auto& arg : argv) {
    if (!arg) {
      break;
    }
    free(arg);
  }
  return pid;
}

bool GfxInfo::FireGLXTestProcess() {
  if (sGLXTestPID != 0) {
    return true;
  }

  int pfd[2];
  if (pipe(pfd) == -1) {
    gfxCriticalNote << "FireGLXTestProcess failed to create pipe\n";
    return false;
  }
  sGLXTestPipe = pfd[0];

  auto pipeID = std::to_string(pfd[1]);
  const char* args[] = {"-f", pipeID.c_str(),
                        IsWaylandEnabled() ? "-w" : nullptr, nullptr};
  sGLXTestPID = FireTestProcess(GLX_PROBE_BINARY, nullptr, args);
  // Set pid to -1 to avoid further test launch.
  if (!sGLXTestPID) {
    sGLXTestPID = -1;
  }
  close(pfd[1]);
  return true;
}

void GfxInfo::GetDataVAAPI() {
  if (mIsVAAPISupported.isSome()) {
    return;
  }
  mIsVAAPISupported = Some(false);

#ifdef MOZ_ENABLE_VAAPI
  char* vaapiData = nullptr;
  auto free = mozilla::MakeScopeExit([&] { g_free((void*)vaapiData); });

  int vaapiPipe = -1;
  int vaapiPID = 0;
  const char* args[] = {"-d", mDrmRenderDevice.get(), nullptr};
  vaapiPID = FireTestProcess(VAAPI_PROBE_BINARY, &vaapiPipe, args);
  if (!vaapiPID) {
    return;
  }

  if (!ManageChildProcess("vaapitest", &vaapiPID, &vaapiPipe,
                          VAAPI_TEST_TIMEOUT, &vaapiData)) {
    gfxCriticalNote << "vaapitest: ManageChildProcess failed\n";
    return;
  }

  char* bufptr = vaapiData;
  char* line;
  while ((line = NS_strtok("\n", &bufptr))) {
    if (!strcmp(line, "VAAPI_SUPPORTED")) {
      line = NS_strtok("\n", &bufptr);
      if (!line) {
        gfxCriticalNote << "vaapitest: Failed to get VAAPI support\n";
        return;
      }
      mIsVAAPISupported = Some(!strcmp(line, "TRUE"));
    } else if (!strcmp(line, "VAAPI_HWCODECS")) {
      line = NS_strtok("\n", &bufptr);
      if (!line) {
        gfxCriticalNote << "vaapitest: Failed to get VAAPI codecs\n";
        return;
      }

      std::istringstream(line) >> mVAAPISupportedCodecs;
      if (mVAAPISupportedCodecs & CODEC_HW_H264) {
        media::MCSInfo::AddSupport(
            media::MediaCodecsSupport::H264HardwareDecode);
      }
      if (mVAAPISupportedCodecs & CODEC_HW_VP8) {
        media::MCSInfo::AddSupport(
            media::MediaCodecsSupport::VP8HardwareDecode);
      }
      if (mVAAPISupportedCodecs & CODEC_HW_VP9) {
        media::MCSInfo::AddSupport(
            media::MediaCodecsSupport::VP9HardwareDecode);
      }
      if (mVAAPISupportedCodecs & CODEC_HW_AV1) {
        media::MCSInfo::AddSupport(
            media::MediaCodecsSupport::AV1HardwareDecode);
      }
    } else if (!strcmp(line, "WARNING") || !strcmp(line, "ERROR")) {
      gfxCriticalNote << "vaapitest: " << line;
      line = NS_strtok("\n", &bufptr);
      if (line) {
        gfxCriticalNote << "vaapitest: " << line << "\n";
      }
      return;
    }
  }
#endif
}

// Probe all V4L2 devices and check their capabilities
void GfxInfo::GetDataV4L2() {
  if (mIsV4L2Supported.isSome()) {
    // We have already probed v4l2 support, no need to do it again.
    return;
  }
  mIsV4L2Supported = Some(false);

#ifdef MOZ_ENABLE_V4L2
  DIR* dir = opendir("/dev");
  if (!dir) {
    gfxCriticalNote << "Could not list /dev\n";
    return;
  }
  struct dirent* dir_entry;
  while ((dir_entry = readdir(dir))) {
    if (!strncmp(dir_entry->d_name, "video", 5)) {
      nsCString path = "/dev/"_ns;
      path += nsDependentCString(dir_entry->d_name);
      V4L2ProbeDevice(path);
    }
  }
  closedir(dir);
#endif  // MOZ_ENABLE_V4L2
}

// Check the capabilities of a single V4L2 device.  If the device doesn't work
// or doesn't support any codecs we recognise, then we just ignore it.  If it
// does support recognised codecs then add these codecs to the supported list
// and mark V4L2 as supported: We only need a single working device to enable
// V4L2, when we come to decode FFmpeg will probe all the devices and choose
// the appropriate one.
void GfxInfo::V4L2ProbeDevice(nsCString& dev) {
  char* v4l2Data = nullptr;
  auto free = mozilla::MakeScopeExit([&] { g_free((void*)v4l2Data); });

  int v4l2Pipe = -1;
  int v4l2PID = 0;
  const char* args[] = {"-d", dev.get(), nullptr};
  v4l2PID = FireTestProcess(V4L2_PROBE_BINARY, &v4l2Pipe, args);
  if (!v4l2PID) {
    gfxCriticalNote << "Failed to start v4l2test process\n";
    return;
  }

  if (!ManageChildProcess("v4l2test", &v4l2PID, &v4l2Pipe, V4L2_TEST_TIMEOUT,
                          &v4l2Data)) {
    gfxCriticalNote << "v4l2test: ManageChildProcess failed\n";
    return;
  }

  char* bufptr = v4l2Data;
  char* line;
  nsTArray<nsCString> capFormats;
  nsTArray<nsCString> outFormats;
  bool supported = false;
  // Use gfxWarning rather than gfxCriticalNote from here on because the
  // errors/warnings output by v4l2test are generally just caused by devices
  // which aren't M2M decoders. Set gfx.logging.level=5 to see these messages.

  while ((line = NS_strtok("\n", &bufptr))) {
    if (!strcmp(line, "V4L2_SUPPORTED")) {
      line = NS_strtok("\n", &bufptr);
      if (!line) {
        gfxWarning() << "v4l2test: Failed to get V4L2 support\n";
        return;
      }
      supported = !strcmp(line, "TRUE");
    } else if (!strcmp(line, "V4L2_CAPTURE_FMTS")) {
      line = NS_strtok("\n", &bufptr);
      if (!line) {
        gfxWarning() << "v4l2test: Failed to get V4L2 CAPTURE formats\n";
        return;
      }
      char* capture_fmt;
      while ((capture_fmt = NS_strtok(" ", &line))) {
        capFormats.AppendElement(capture_fmt);
      }
    } else if (!strcmp(line, "V4L2_OUTPUT_FMTS")) {
      line = NS_strtok("\n", &bufptr);
      if (!line) {
        gfxWarning() << "v4l2test: Failed to get V4L2 OUTPUT formats\n";
        return;
      }
      char* output_fmt;
      while ((output_fmt = NS_strtok(" ", &line))) {
        outFormats.AppendElement(output_fmt);
      }
    } else if (!strcmp(line, "WARNING") || !strcmp(line, "ERROR")) {
      line = NS_strtok("\n", &bufptr);
      if (line) {
        gfxWarning() << "v4l2test: " << line << "\n";
      }
      return;
    }
  }

  // If overall SUPPORTED flag is not TRUE then stop now
  if (!supported) {
    return;
  }

  // Currently the V4L2 decode platform only supports YUV420 and NV12
  if (!capFormats.Contains("YV12") && !capFormats.Contains("NV12")) {
    return;
  }

  // Supported codecs
  if (outFormats.Contains("H264")) {
    mIsV4L2Supported = Some(true);
    media::MCSInfo::AddSupport(media::MediaCodecsSupport::H264HardwareDecode);
    mV4L2SupportedCodecs |= CODEC_HW_H264;
  }
}

const nsTArray<GfxDriverInfo>& GfxInfo::GetGfxDriverInfo() {
  if (!sDriverInfo->Length()) {
    // Mesa 10.0 provides the GLX_MESA_query_renderer extension, which allows us
    // to query device IDs backing a GL context for blocklisting.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::All,
        GfxDriverInfo::optionalFeatures,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(10, 0, 0, 0), "FEATURE_FAILURE_OLD_MESA", "Mesa 10.0");

    // NVIDIA Mesa baseline (see bug 1714391).
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaNouveau, DeviceFamily::All,
        GfxDriverInfo::optionalFeatures,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(11, 0, 0, 0), "FEATURE_FAILURE_OLD_NV_MESA", "Mesa 11.0");

    // NVIDIA baseline (ported from old blocklist)
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::NvidiaAll,
        GfxDriverInfo::optionalFeatures,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(257, 21, 0, 0), "FEATURE_FAILURE_OLD_NVIDIA", "NVIDIA 257.21");

    // fglrx baseline (chosen arbitrarily as 2013-07-22 release).
    APPEND_TO_DRIVER_BLOCKLIST(
        OperatingSystem::Linux, DeviceFamily::AtiAll,
        GfxDriverInfo::optionalFeatures,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(13, 15, 100, 1), "FEATURE_FAILURE_OLD_FGLRX", "fglrx 13.15.100.1");

    ////////////////////////////////////
    // FEATURE_WEBRENDER

    // All Mesa software drivers, they should get Software WebRender instead.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::SoftwareMesaAll, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0), "FEATURE_FAILURE_SOFTWARE_GL",
        "");

    // Older generation Intel devices do not perform well with WebRender.
    APPEND_TO_DRIVER_BLOCKLIST(
        OperatingSystem::Linux, DeviceFamily::IntelWebRenderBlocked,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0), "INTEL_DEVICE_GEN5_OR_OLDER",
        "");

    // Nvidia Mesa baseline, see bug 1563859.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_WEBRENDER,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(18, 2, 0, 0), "FEATURE_FAILURE_WEBRENDER_OLD_MESA", "Mesa 18.2.0.0");

    // Disable on all older Nvidia drivers due to stability issues.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_LESS_THAN, V(470, 82, 0, 0),
        "FEATURE_FAILURE_WEBRENDER_OLD_NVIDIA", "470.82.0");

    // Older generation NVIDIA devices do not perform well with WebRender.
    APPEND_TO_DRIVER_BLOCKLIST(
        OperatingSystem::Linux, DeviceFamily::NvidiaWebRenderBlocked,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
        "NVIDIA_EARLY_TESLA_AND_C67_C68", "");

    // Mesa baseline, chosen arbitrarily. Linux users are generally good about
    // updating their Mesa libraries so we don't want to arbitarily support
    // WebRender on old drivers with outstanding bugs to work around.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBRENDER,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(17, 0, 0, 0), "FEATURE_FAILURE_WEBRENDER_OLD_MESA", "Mesa 17.0.0.0");

    // Mesa baseline for non-Intel/NVIDIA/ATI devices. These other devices will
    // often have less mature drivers so let's block older Mesa versions.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaNonIntelNvidiaAtiAll,
        DeviceFamily::All, nsIGfxInfo::FEATURE_WEBRENDER,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(22, 2, 0, 0), "FEATURE_FAILURE_WEBRENDER_OLD_MESA_OTHER",
        "Mesa 22.2.0.0");

    // Bug 1690568 / Bug 1393793 - Require Mesa 17.3.0+ for devices using the
    // AMD r600 driver to avoid shader compilation issues.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaR600, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBRENDER,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(17, 3, 0, 0), "FEATURE_FAILURE_WEBRENDER_OLD_MESA_R600",
        "Mesa 17.3.0.0");

    // Disable on all ATI devices not using Mesa for now.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::AtiAll,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
        "FEATURE_FAILURE_WEBRENDER_NO_LINUX_ATI", "");

    // Disable R600 GPUs with Mesa drivers.
    // Bug 1673939 - Garbled text on RS880 GPUs with Mesa drivers.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::AmdR600,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
        "FEATURE_FAILURE_WEBRENDER_BUG_1673939",
        "https://gitlab.freedesktop.org/mesa/mesa/-/issues/3720");

    // Bug 1635186 - Poor performance with video playing in a background window
    // on XWayland. Keep in sync with FEATURE_X11_EGL below to only enable them
    // together by default. Only Mesa and Nvidia binary drivers are expected
    // on Wayland right now.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::XWayland, DriverVendor::MesaAll, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBRENDER,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(17, 0, 0, 0), "FEATURE_FAILURE_WEBRENDER_BUG_1635186",
        "Mesa 17.0.0.0");

    // Bug 1815481 - Disable mesa drivers in virtual machines.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaVM, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
        "FEATURE_FAILURE_WEBRENDER_MESA_VM", "");
    // Disable hardware mesa drivers in virtual machines due to instability.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaVM, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBGL_USE_HARDWARE,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
        V(0, 0, 0, 0), "FEATURE_FAILURE_WEBGL_MESA_VM", "");

    ////////////////////////////////////
    // FEATURE_WEBRENDER_COMPOSITOR
    APPEND_TO_DRIVER_BLOCKLIST(
        OperatingSystem::Linux, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
        V(0, 0, 0, 0), "FEATURE_FAILURE_WEBRENDER_COMPOSITOR_DISABLED", "");

    ////////////////////////////////////
    // FEATURE_X11_EGL
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::All,
        nsIGfxInfo::FEATURE_X11_EGL, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
        DRIVER_LESS_THAN, V(17, 0, 0, 0), "FEATURE_X11_EGL_OLD_MESA",
        "Mesa 17.0.0.0");

    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_X11_EGL, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
        DRIVER_LESS_THAN, V(18, 2, 0, 0), "FEATURE_X11_EGL_OLD_MESA_NOUVEAU",
        "Mesa 18.2.0.0");

    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_X11_EGL, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
        DRIVER_LESS_THAN, V(470, 82, 0, 0),
        "FEATURE_ROLLOUT_X11_EGL_NVIDIA_BINARY", "470.82.0");

    // Disable on all AMD devices not using Mesa.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::AtiAll,
        nsIGfxInfo::FEATURE_X11_EGL, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
        "FEATURE_FAILURE_X11_EGL_NO_LINUX_ATI", "");

    ////////////////////////////////////
    // FEATURE_DMABUF
    // Disabled due to high volume crash tracked in bug 1788573, fixed in the
    // 545 driver.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_DMABUF, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_LESS_THAN, V(545, 23, 6, 0), "FEATURE_FAILURE_BUG_1788573", "");

    // Disabled due to high volume crash tracked in bug 1913778. It appears that
    // only this version of the driver is affected.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaRadeonsi, DeviceFamily::AtiAll,
        nsIGfxInfo::FEATURE_DMABUF, nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION,
        DRIVER_EQUAL, V(24, 1, 3, 0), "FEATURE_FAILURE_BUG_1913778", "");

    ////////////////////////////////////
    // FEATURE_DMABUF_SURFACE_EXPORT
    // Disabled on all Mesa drivers due to various issue, among them:
    // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6666
    // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6796
    // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6688
    // https://gitlab.freedesktop.org/mesa/mesa/-/issues/6988
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::All,
        nsIGfxInfo::FEATURE_DMABUF_SURFACE_EXPORT,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
        V(0, 0, 0, 0), "FEATURE_FAILURE_BROKEN_DRIVER", "");

    ////////////////////////////////////
    // FEATURE_DMABUF_WEBGL
    // Disabled due to DMABuf rendering/correctness with WebGL on Nvidia driver,
    // tracked in bug 1924578.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_DMABUF_WEBGL, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0), "FEATURE_FAILURE_BUG_1924578",
        "");

    ////////////////////////////////////
    // FEATURE_HARDWARE_VIDEO_DECODING
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::All,
        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(21, 0, 0, 0), "FEATURE_HARDWARE_VIDEO_DECODING_MESA",
        "Mesa 21.0.0.0");

    // Disable on all NVIDIA hardware
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::All, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
        V(0, 0, 0, 0), "FEATURE_HARDWARE_VIDEO_DECODING_NO_LINUX_NVIDIA", "");

    // Disable on all AMD devices not using Mesa.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::AtiAll,
        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
        V(0, 0, 0, 0), "FEATURE_HARDWARE_VIDEO_DECODING_NO_LINUX_AMD", "");

    // Disable on r600 driver due to decoding artifacts (Bug 1824307)
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaR600, DeviceFamily::All,
        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
        V(0, 0, 0, 0), "FEATURE_HARDWARE_VIDEO_DECODING_NO_R600", "");

    // Disable on AMD devices using broken Mesa (Bug 1837140).
    // https://gitlab.freedesktop.org/mesa/mesa/-/commit/0c024bbe641b092bbb
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::AtiAll,
        nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_LESS_THAN, V(24, 2, 0, 0),
        "FEATURE_HARDWARE_VIDEO_DECODING_AMD_DISABLE", "Mesa 24.2.0");

    ////////////////////////////////////
    // FEATURE_HW_DECODED_VIDEO_ZERO_COPY - ALLOWLIST
    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Linux, DeviceFamily::All,
                                nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
                                nsIGfxInfo::FEATURE_ALLOW_ALWAYS,
                                DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
                                "FEATURE_ROLLOUT_ALL");

    // Disable on AMD devices using broken Mesa (Bug 1837138).
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaAll, DeviceFamily::AtiAll,
        nsIGfxInfo::FEATURE_HW_DECODED_VIDEO_ZERO_COPY,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_LESS_THAN, V(24, 2, 0, 0),
        "FEATURE_HARDWARE_VIDEO_ZERO_COPY_LINUX_AMD_DISABLE", "Mesa 24.2.0.0");

    ////////////////////////////////////
    // FEATURE_WEBRENDER_PARTIAL_PRESENT
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::X11, DriverVendor::NonMesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_WEBRENDER_PARTIAL_PRESENT,
        nsIGfxInfo::FEATURE_BLOCKED_DEVICE, DRIVER_COMPARISON_IGNORED,
        V(0, 0, 0, 0), "FEATURE_ROLLOUT_WR_PARTIAL_PRESENT_NVIDIA_BINARY", "");

    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::XWayland, DriverVendor::MesaAll, DeviceFamily::All,
        nsIGfxInfo::FEATURE_WEBRENDER_PARTIAL_PRESENT,
        nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
        V(21, 0, 0, 0), "FEATURE_FAILURE_WEBRENDER_PARTIAL_PRESENT_BUG_1677892",
        "Mesa 21.0.0.0");

    ////////////////////////////////////

    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::MesaNouveau, DeviceFamily::All,
        nsIGfxInfo::FEATURE_THREADSAFE_GL, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
        "FEATURE_FAILURE_THREADSAFE_GL_NOUVEAU", "");

    // Disabled due to high volume crash tracked in bug 1788573, fixed in the
    // 545 driver.
    APPEND_TO_DRIVER_BLOCKLIST_EXT(
        OperatingSystem::Linux, ScreenSizeStatus::All, BatteryStatus::All,
        WindowProtocol::All, DriverVendor::NonMesaAll, DeviceFamily::NvidiaAll,
        nsIGfxInfo::FEATURE_THREADSAFE_GL, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_LESS_THAN, V(545, 23, 6, 0), "FEATURE_FAILURE_BUG_1788573", "");

    // AMD R600 family does not perform well with WebRender.
    APPEND_TO_DRIVER_BLOCKLIST(
        OperatingSystem::Linux, DeviceFamily::AmdR600,
        nsIGfxInfo::FEATURE_WEBRENDER, nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
        DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0), "AMD_R600_FAMILY", "");
  }
  return *sDriverInfo;
}

bool GfxInfo::DoesWindowProtocolMatch(const nsAString& aBlocklistWindowProtocol,
                                      const nsAString& aWindowProtocol) {
  if (mIsWayland &&
      aBlocklistWindowProtocol.Equals(
          GfxDriverInfo::GetWindowProtocol(WindowProtocol::WaylandAll),
          nsCaseInsensitiveStringComparator)) {
    return true;
  }
  if (!mIsWayland &&
      aBlocklistWindowProtocol.Equals(
          GfxDriverInfo::GetWindowProtocol(WindowProtocol::X11All),
          nsCaseInsensitiveStringComparator)) {
    return true;
  }
  return GfxInfoBase::DoesWindowProtocolMatch(aBlocklistWindowProtocol,
                                              aWindowProtocol);
}

bool GfxInfo::DoesDriverVendorMatch(const nsAString& aBlocklistVendor,
                                    const nsAString& aDriverVendor) {
  if (mIsMesa) {
    if (aBlocklistVendor.Equals(
            GfxDriverInfo::GetDriverVendor(DriverVendor::MesaAll),
            nsCaseInsensitiveStringComparator)) {
      return true;
    }
    if (mIsAccelerated &&
        aBlocklistVendor.Equals(
            GfxDriverInfo::GetDriverVendor(DriverVendor::HardwareMesaAll),
            nsCaseInsensitiveStringComparator)) {
      return true;
    }
    if (!mIsAccelerated &&
        aBlocklistVendor.Equals(
            GfxDriverInfo::GetDriverVendor(DriverVendor::SoftwareMesaAll),
            nsCaseInsensitiveStringComparator)) {
      return true;
    }
    if (aBlocklistVendor.Equals(GfxDriverInfo::GetDriverVendor(
                                    DriverVendor::MesaNonIntelNvidiaAtiAll),
                                nsCaseInsensitiveStringComparator)) {
      return !mVendorId.Equals("0x8086") && !mVendorId.Equals("0x10de") &&
             !mVendorId.Equals("0x1002");
    }
  }
  if (!mIsMesa && aBlocklistVendor.Equals(
                      GfxDriverInfo::GetDriverVendor(DriverVendor::NonMesaAll),
                      nsCaseInsensitiveStringComparator)) {
    return true;
  }
  return GfxInfoBase::DoesDriverVendorMatch(aBlocklistVendor, aDriverVendor);
}

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);
  *aStatus = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
  aSuggestedDriverVersion.SetIsVoid(true);
  OperatingSystem os = OperatingSystem::Linux;
  if (aOS) *aOS = os;

  if (sShutdownOccurred) {
    return NS_OK;
  }

  GetData();

  if (mGlxTestError) {
    // If glxtest failed, block most features by default.
    if (OnlyAllowFeatureOnKnownConfig(aFeature)) {
      *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
      aFailureId = "FEATURE_FAILURE_GLXTEST_FAILED";
    } else {
      *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
    }
    return NS_OK;
  }

  if (mGLMajorVersion == 1) {
    // We're on OpenGL 1. In most cases that indicates really old hardware.
    // We better block them, rather than rely on them to fail gracefully,
    // because they don't! see bug 696636
    if (OnlyAllowFeatureOnKnownConfig(aFeature)) {
      *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
      aFailureId = "FEATURE_FAILURE_OPENGL_1";
    } else {
      *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
    }
    return NS_OK;
  }

  // Blocklist software GL implementations from using layers acceleration.
  // On the test infrastructure, we'll force-enable layers acceleration.
  if (aFeature == nsIGfxInfo::FEATURE_OPENGL_LAYERS && !mIsAccelerated &&
      !PR_GetEnv("MOZ_LAYERS_ALLOW_SOFTWARE_GL")) {
    *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
    aFailureId = "FEATURE_FAILURE_SOFTWARE_GL";
    return NS_OK;
  }

  if (aFeature == nsIGfxInfo::FEATURE_WEBRENDER) {
    // Don't try Webrender on devices where we are guaranteed to fail.
    if (mGLMajorVersion < 3) {
      *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
      aFailureId = "FEATURE_FAILURE_OPENGL_LESS_THAN_3";
      return NS_OK;
    }

    // Bug 1710400: Disable Webrender on the deprecated Intel DDX driver
    for (const nsCString& driver : mDdxDrivers) {
      if (strcasestr(driver.get(), "Intel")) {
        *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
        aFailureId = "FEATURE_FAILURE_DDX_INTEL";
        return NS_OK;
      }
    }
  }

  const struct {
    int32_t mFeature;
    int32_t mCodec;
  } kFeatureToCodecs[] = {{nsIGfxInfo::FEATURE_H264_HW_DECODE, CODEC_HW_H264},
                          {nsIGfxInfo::FEATURE_VP8_HW_DECODE, CODEC_HW_VP8},
                          {nsIGfxInfo::FEATURE_VP9_HW_DECODE, CODEC_HW_VP9},
                          {nsIGfxInfo::FEATURE_AV1_HW_DECODE, CODEC_HW_AV1}};

  for (const auto& pair : kFeatureToCodecs) {
    if (aFeature != pair.mFeature) {
      continue;
    }
    if ((mVAAPISupportedCodecs & pair.mCodec) ||
        (mV4L2SupportedCodecs & pair.mCodec)) {
      *aStatus = nsIGfxInfo::FEATURE_STATUS_OK;
    } else {
      *aStatus = nsIGfxInfo::FEATURE_BLOCKED_PLATFORM_TEST;
      aFailureId = "FEATURE_FAILURE_VIDEO_DECODING_MISSING";
    }
    return NS_OK;
  }

  auto ret = GfxInfoBase::GetFeatureStatusImpl(
      aFeature, aStatus, aSuggestedDriverVersion, aDriverInfo, aFailureId, &os);

  // Probe VA-API/V4L2 on supported devices only
  if (aFeature == nsIGfxInfo::FEATURE_HARDWARE_VIDEO_DECODING) {
    if (!StaticPrefs::media_hardware_video_decoding_enabled_AtStartup()) {
      return ret;
    }
    bool probeHWDecode =
        mIsAccelerated &&
        (*aStatus == nsIGfxInfo::FEATURE_STATUS_OK ||
         StaticPrefs::media_hardware_video_decoding_force_enabled_AtStartup() ||
         StaticPrefs::media_ffmpeg_vaapi_enabled_AtStartup());
    if (probeHWDecode) {
      GetDataVAAPI();
      GetDataV4L2();
    } else {
      mIsVAAPISupported = Some(false);
      mIsV4L2Supported = Some(false);
    }
    if (!mIsVAAPISupported.value() && !mIsV4L2Supported.value()) {
      *aStatus = nsIGfxInfo::FEATURE_BLOCKED_PLATFORM_TEST;
      aFailureId = "FEATURE_FAILURE_VIDEO_DECODING_TEST_FAILED";
    }
  }

  return ret;
}

NS_IMETHODIMP
GfxInfo::GetD2DEnabled(bool* aEnabled) { return NS_ERROR_FAILURE; }

NS_IMETHODIMP
GfxInfo::GetDWriteEnabled(bool* aEnabled) { return NS_ERROR_FAILURE; }

NS_IMETHODIMP
GfxInfo::GetDWriteVersion(nsAString& aDwriteVersion) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP GfxInfo::GetHasBattery(bool* aHasBattery) {
  return NS_ERROR_NOT_IMPLEMENTED;
}

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) {
  GetData();
  if (mIsWayland) {
    aWindowProtocol = GfxDriverInfo::GetWindowProtocol(WindowProtocol::Wayland);
  } else if (mIsXWayland) {
    aWindowProtocol =
        GfxDriverInfo::GetWindowProtocol(WindowProtocol::XWayland);
  } else {
    aWindowProtocol = GfxDriverInfo::GetWindowProtocol(WindowProtocol::X11);
  }
  glean::gfx::linux_window_protocol.Set(NS_ConvertUTF16toUTF8(aWindowProtocol));
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetTestType(nsAString& aTestType) {
  GetData();
  AppendASCIItoUTF16(mTestType, aTestType);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDescription(nsAString& aAdapterDescription) {
  GetData();
  AppendASCIItoUTF16(mAdapterDescription, aAdapterDescription);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDescription2(nsAString& aAdapterDescription) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
GfxInfo::GetAdapterRAM(uint32_t* aAdapterRAM) {
  GetData();
  *aAdapterRAM = mAdapterRAM;
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterRAM2(uint32_t* aAdapterRAM) { return NS_ERROR_FAILURE; }

NS_IMETHODIMP
GfxInfo::GetAdapterDriver(nsAString& aAdapterDriver) {
  aAdapterDriver.Truncate();
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDriver2(nsAString& aAdapterDriver) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDriverVendor(nsAString& aAdapterDriverVendor) {
  GetData();
  CopyASCIItoUTF16(mDriverVendor, aAdapterDriverVendor);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDriverVendor2(nsAString& aAdapterDriverVendor) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDriverVersion(nsAString& aAdapterDriverVersion) {
  GetData();
  CopyASCIItoUTF16(mDriverVersion, aAdapterDriverVersion);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDriverVersion2(nsAString& aAdapterDriverVersion) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDriverDate(nsAString& aAdapterDriverDate) {
  aAdapterDriverDate.Truncate();
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDriverDate2(nsAString& aAdapterDriverDate) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
GfxInfo::GetAdapterVendorID(nsAString& aAdapterVendorID) {
  GetData();
  CopyUTF8toUTF16(mVendorId, aAdapterVendorID);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterVendorID2(nsAString& aAdapterVendorID) {
  GetData();
  CopyUTF8toUTF16(mSecondaryVendorId, aAdapterVendorID);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDeviceID(nsAString& aAdapterDeviceID) {
  GetData();
  CopyUTF8toUTF16(mDeviceId, aAdapterDeviceID);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterDeviceID2(nsAString& aAdapterDeviceID) {
  GetData();
  CopyUTF8toUTF16(mSecondaryDeviceId, aAdapterDeviceID);
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetAdapterSubsysID(nsAString& aAdapterSubsysID) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
GfxInfo::GetAdapterSubsysID2(nsAString& aAdapterSubsysID) {
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
GfxInfo::GetIsGPU2Active(bool* aIsGPU2Active) {
  // This is never the case, as the active GPU should be the primary GPU.
  *aIsGPU2Active = false;
  return NS_OK;
}

NS_IMETHODIMP
GfxInfo::GetDrmRenderDevice(nsACString& aDrmRenderDevice) {
  GetData();
  aDrmRenderDevice.Assign(mDrmRenderDevice);
  return NS_OK;
}

#ifdef DEBUG

// Implement nsIGfxInfoDebug
// We don't support spoofing anything on Linux

NS_IMETHODIMP GfxInfo::SpoofVendorID(const nsAString& aVendorID) {
  GetData();
  CopyUTF16toUTF8(aVendorID, mVendorId);
  mIsAccelerated = true;
  return NS_OK;
}

NS_IMETHODIMP GfxInfo::SpoofDeviceID(const nsAString& aDeviceID) {
  GetData();
  CopyUTF16toUTF8(aDeviceID, mDeviceId);
  return NS_OK;
}

NS_IMETHODIMP GfxInfo::SpoofDriverVersion(const nsAString& aDriverVersion) {
  GetData();
  CopyUTF16toUTF8(aDriverVersion, mDriverVersion);
  return NS_OK;
}

NS_IMETHODIMP GfxInfo::SpoofOSVersion(uint32_t aVersion) {
  // We don't support OS versioning on Linux. There's just "Linux".
  return NS_OK;
}

#endif

}  // namespace mozilla::widget

quality91%

¤ Dauer der Verarbeitung: 0.55 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.