/* -*- 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 <unistd.h> #include <sys/types.h> #include <sys/wait.h> #include <errno.h> #include <sys/utsname.h> #include "nsCRTGlue.h" #include "prenv.h" #include "GfxInfoX11.h" namespace mozilla { namespace widget { #ifdef DEBUG NS_IMPL_ISUPPORTS_INHERITED(GfxInfo, GfxInfoBase, nsIGfxInfoDebug) #endif // these global variables will be set when firing the glxtest process int glxtest_pipe = 0; pid_t glxtest_pid = 0; nsresult GfxInfo::Init() { mGLMajorVersion = 0; mMajorVersion = 0; mMinorVersion = 0; mRevisionVersion = 0; mIsMesa = false; mIsNVIDIA = false; mIsFGLRX = false; mIsNouveau = false; mIsIntel = false; mIsOldSwrast = false; mIsLlvmpipe = false; mHasTextureFromPixmap = false; return GfxInfoBase::Init(); } void GfxInfo::GetData() { // to understand this function, see bug 639842. We retrieve the OpenGL driver information in a // separate process to protect against bad drivers. // if glxtest_pipe == 0, that means that we already read the information if (!glxtest_pipe) return; enum { buf_size = 1024 }; char buf[buf_size]; ssize_t bytesread = read(glxtest_pipe, &buf, buf_size-1); // -1 because we'll append a zero close(glxtest_pipe); glxtest_pipe = 0; // bytesread < 0 would mean that the above read() call failed. // This should never happen. If it did, the outcome would be to blacklist anyway. if (bytesread < 0) bytesread = 0; // let buf be a zero-terminated string buf[bytesread] = 0; // Wait for the glxtest process to finish. This serves 2 purposes: // * avoid having a zombie glxtest process laying around // * get the glxtest process status info. int glxtest_status = 0; bool wait_for_glxtest_process = true; bool waiting_for_glxtest_process_failed = false; int waitpid_errno = 0; while(wait_for_glxtest_process) { wait_for_glxtest_process = false; if (waitpid(glxtest_pid, &glxtest_status, 0) == -1) { waitpid_errno = errno; if (waitpid_errno == EINTR) { wait_for_glxtest_process = true; } else { // 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 blacklist anyway. waiting_for_glxtest_process_failed = (waitpid_errno != ECHILD); } } } bool exited_with_error_code = !waiting_for_glxtest_process_failed && WIFEXITED(glxtest_status) && WEXITSTATUS(glxtest_status) != EXIT_SUCCESS; bool received_signal = !waiting_for_glxtest_process_failed && WIFSIGNALED(glxtest_status); bool error = waiting_for_glxtest_process_failed || exited_with_error_code || received_signal; nsCString textureFromPixmap; nsCString *stringToFill = nullptr; char *bufptr = buf; if (!error) { while(true) { char *line = NS_strtok("\n", &bufptr); if (!line) break; if (stringToFill) { stringToFill->Assign(line); stringToFill = nullptr; } else if(!strcmp(line, "VENDOR")) stringToFill = &mVendor; else if(!strcmp(line, "RENDERER")) stringToFill = &mRenderer; else if(!strcmp(line, "VERSION")) stringToFill = &mVersion; else if(!strcmp(line, "TFP")) stringToFill = &textureFromPixmap; } } 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) mVendor.Assign(spoofedVendor); const char *spoofedRenderer = PR_GetEnv("MOZ_GFX_SPOOF_GL_RENDERER"); if (spoofedRenderer) mRenderer.Assign(spoofedRenderer); const char *spoofedVersion = PR_GetEnv("MOZ_GFX_SPOOF_GL_VERSION"); if (spoofedVersion) mVersion.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); if (error || mVendor.IsEmpty() || mRenderer.IsEmpty() || mVersion.IsEmpty() || mOS.IsEmpty() || mOSRelease.IsEmpty()) { mAdapterDescription.AppendLiteral("GLXtest process failed"); if (waiting_for_glxtest_process_failed) mAdapterDescription.AppendPrintf(" (waitpid failed with errno=%d for pid %d)", waitpid_errno, glxtest_pid); if (exited_with_error_code) mAdapterDescription.AppendPrintf(" (exited with status %d)", WEXITSTATUS(glxtest_status)); if (received_signal) mAdapterDescription.AppendPrintf(" (received signal %d)", WTERMSIG(glxtest_status)); if (bytesread) { mAdapterDescription.AppendLiteral(": "); mAdapterDescription.Append(nsDependentCString(buf)); mAdapterDescription.Append('\n'); } return; } mAdapterDescription.Append(mVendor); mAdapterDescription.AppendLiteral(" -- "); mAdapterDescription.Append(mRenderer); nsAutoCString note; note.AppendLiteral("OpenGL: "); note.Append(mAdapterDescription); note.AppendLiteral(" -- "); note.Append(mVersion); if (mHasTextureFromPixmap) note.AppendLiteral(" -- texture_from_pixmap"); note.Append('\n'); // determine the major OpenGL version. That's the first integer in the version string. mGLMajorVersion = strtol(mVersion.get(), 0, 10); // determine driver type (vendor) and where in the version string // the actual driver version numbers should be expected to be found (whereToReadVersionNumbers) const char *whereToReadVersionNumbers = nullptr; const char *Mesa_in_version_string = strstr(mVersion.get(), "Mesa"); if (Mesa_in_version_string) { mIsMesa = true; // with Mesa, the version string contains "Mesa major.minor" and that's all the version information we get: // there is no actual driver version info. whereToReadVersionNumbers = Mesa_in_version_string + strlen("Mesa"); if (strcasestr(mVendor.get(), "nouveau")) mIsNouveau = true; if (strcasestr(mRenderer.get(), "intel")) // yes, intel is in the renderer string mIsIntel = true; if (strcasestr(mRenderer.get(), "llvmpipe")) mIsLlvmpipe = true; if (strcasestr(mRenderer.get(), "software rasterizer")) mIsOldSwrast = true; } else if (strstr(mVendor.get(), "NVIDIA Corporation")) { mIsNVIDIA = true; // with the NVIDIA driver, the version string contains "NVIDIA major.minor" // note that here the vendor and version strings behave differently, that's why we don't put this above // alongside Mesa_in_version_string. const char *NVIDIA_in_version_string = strstr(mVersion.get(), "NVIDIA"); if (NVIDIA_in_version_string) whereToReadVersionNumbers = NVIDIA_in_version_string + strlen("NVIDIA"); } else if (strstr(mVendor.get(), "ATI Technologies Inc")) { mIsFGLRX = true; // with the FGLRX driver, the version string only gives a OpenGL version :/ so let's return that. // that can at least give a rough idea of how old the driver is. whereToReadVersionNumbers = mVersion.get(); } // read major.minor version numbers of the driver (not to be confused with the OpenGL version) if (whereToReadVersionNumbers) { // copy into writable buffer, for tokenization strncpy(buf, whereToReadVersionNumbers, buf_size); bufptr = buf; // now try to read major.minor version numbers. In case of failure, gracefully exit: these numbers have // been initialized as 0 anyways char *token = NS_strtok(".", &bufptr); if (token) { mMajorVersion = strtol(token, 0, 10); token = NS_strtok(".", &bufptr); if (token) { mMinorVersion = strtol(token, 0, 10); token = NS_strtok(".", &bufptr); if (token) mRevisionVersion = strtol(token, 0, 10); } } } } static inline uint64_t version(uint32_t major, uint32_t minor, uint32_t revision = 0) { return (uint64_t(major) << 32) + (uint64_t(minor) << 16) + uint64_t(revision); } const nsTArray<GfxDriverInfo>& GfxInfo::GetGfxDriverInfo() { // Nothing here yet. //if (!mDriverInfo->Length()) { // //} return *mDriverInfo; } nsresult GfxInfo::GetFeatureStatusImpl(int32_t aFeature, int32_t *aStatus, nsAString & aSuggestedDriverVersion, const nsTArray<GfxDriverInfo>& aDriverInfo, nsACString& aFailureId, OperatingSystem* aOS /* = nullptr */) { GetData(); NS_ENSURE_ARG_POINTER(aStatus); *aStatus = nsIGfxInfo::FEATURE_STATUS_UNKNOWN; aSuggestedDriverVersion.SetIsVoid(true); OperatingSystem os = OperatingSystem::Linux; if (aOS) *aOS = os; 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 *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE; aFailureId = "FEATURE_FAILURE_OPENGL_1"; return NS_OK; } // Don't evaluate any special cases if we're checking the downloaded blocklist. if (!aDriverInfo.Length()) { // Blacklist software GL implementations from using layers acceleration. // On the test infrastructure, we'll force-enable layers acceleration. if (aFeature == nsIGfxInfo::FEATURE_OPENGL_LAYERS && (mIsLlvmpipe || mIsOldSwrast) && !PR_GetEnv("MOZ_LAYERS_ALLOW_SOFTWARE_GL")) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE; aFailureId = "FEATURE_FAILURE_SOFTWARE_GL"; return NS_OK; } // Only check features relevant to Linux. if (aFeature == nsIGfxInfo::FEATURE_OPENGL_LAYERS || aFeature == nsIGfxInfo::FEATURE_WEBGL_OPENGL || aFeature == nsIGfxInfo::FEATURE_WEBGL_MSAA) { // whitelist the linux test slaves' current configuration. // this is necessary as they're still using the slightly outdated 190.42 driver. // this isn't a huge risk, as at least this is the exact setting in which we do continuous testing, // and this only affects GeForce 9400 cards on linux on this precise driver version, which is very few users. // We do the same thing on Windows XP, see in widget/windows/GfxInfo.cpp if (mIsNVIDIA && !strcmp(mRenderer.get(), "GeForce 9400/PCI/SSE2") && !strcmp(mVersion.get(), "3.2.0 NVIDIA 190.42")) { *aStatus = nsIGfxInfo::FEATURE_STATUS_OK; return NS_OK; } if (mIsMesa) { if (mIsNouveau && version(mMajorVersion, mMinorVersion) < version(8,0)) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION; aFailureId = "FEATURE_FAILURE_MESA_1"; aSuggestedDriverVersion.AssignLiteral("Mesa 8.0"); } else if (version(mMajorVersion, mMinorVersion, mRevisionVersion) < version(7,10,3)) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION; aFailureId = "FEATURE_FAILURE_MESA_2"; aSuggestedDriverVersion.AssignLiteral("Mesa 7.10.3"); } else if (mIsOldSwrast) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION; aFailureId = "FEATURE_FAILURE_SW_RAST"; } else if (mIsLlvmpipe && version(mMajorVersion, mMinorVersion) < version(9, 1)) { // bug 791905, Mesa bug 57733, fixed in Mesa 9.1 according to // https://bugs.freedesktop.org/show_bug.cgi?id=57733#c3 *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION; aFailureId = "FEATURE_FAILURE_MESA_3"; } else if (aFeature == nsIGfxInfo::FEATURE_WEBGL_MSAA) { if (mIsIntel && version(mMajorVersion, mMinorVersion) < version(8,1)) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION; aFailureId = "FEATURE_FAILURE_MESA_4"; aSuggestedDriverVersion.AssignLiteral("Mesa 8.1"); } } } else if (mIsNVIDIA) { if (version(mMajorVersion, mMinorVersion, mRevisionVersion) < version(257,21)) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION; aFailureId = "FEATURE_FAILURE_OLD_NV"; aSuggestedDriverVersion.AssignLiteral("NVIDIA 257.21"); } } else if (mIsFGLRX) { // FGLRX does not report a driver version number, so we have the OpenGL version instead. // by requiring OpenGL 3, we effectively require recent drivers. if (version(mMajorVersion, mMinorVersion, mRevisionVersion) < version(3, 0)) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION; aFailureId = "FEATURE_FAILURE_OLD_FGLRX"; aSuggestedDriverVersion.AssignLiteral("<Something recent>"); } // Bug 724640: FGLRX + Linux 2.6.32 is a crashy combo bool unknownOS = mOS.IsEmpty() || mOSRelease.IsEmpty(); bool badOS = mOS.Find("Linux", true) != -1 && mOSRelease.Find("2.6.32") != -1; if (unknownOS || badOS) { *aStatus = nsIGfxInfo::FEATURE_BLOCKED_OS_VERSION; aFailureId = "FEATURE_FAILURE_OLD_OS"; } } else { // like on windows, let's block unknown vendors. Think of virtual machines. // Also, this case is hit whenever the GLXtest probe failed to get driver info or crashed. *aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE; } } } return GfxInfoBase::GetFeatureStatusImpl(aFeature, aStatus, aSuggestedDriverVersion, aDriverInfo, aFailureId, &os); } 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::GetCleartypeParameters(nsAString & aCleartypeParams) { return NS_ERROR_FAILURE; } 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(nsAString & aAdapterRAM) { aAdapterRAM.Truncate(); return NS_OK; } NS_IMETHODIMP GfxInfo::GetAdapterRAM2(nsAString & 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::GetAdapterDriverVersion(nsAString & aAdapterDriverVersion) { GetData(); CopyASCIItoUTF16(mVersion, 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(mVendor, aAdapterVendorID); return NS_OK; } NS_IMETHODIMP GfxInfo::GetAdapterVendorID2(nsAString & aAdapterVendorID) { return NS_ERROR_FAILURE; } NS_IMETHODIMP GfxInfo::GetAdapterDeviceID(nsAString & aAdapterDeviceID) { GetData(); CopyUTF8toUTF16(mRenderer, aAdapterDeviceID); return NS_OK; } NS_IMETHODIMP GfxInfo::GetAdapterDeviceID2(nsAString & aAdapterDeviceID) { return NS_ERROR_FAILURE; } 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) { return NS_ERROR_FAILURE; } #ifdef DEBUG // Implement nsIGfxInfoDebug // We don't support spoofing anything on Linux NS_IMETHODIMP GfxInfo::SpoofVendorID(const nsAString & aVendorID) { CopyUTF16toUTF8(aVendorID, mVendor); return NS_OK; } NS_IMETHODIMP GfxInfo::SpoofDeviceID(const nsAString & aDeviceID) { CopyUTF16toUTF8(aDeviceID, mRenderer); return NS_OK; } NS_IMETHODIMP GfxInfo::SpoofDriverVersion(const nsAString & aDriverVersion) { CopyUTF16toUTF8(aDriverVersion, mVersion); 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 } // end namespace widget } // end namespace mozilla