diff options
Diffstat (limited to 'vcl/opengl/x11/X11DeviceInfo.cxx')
| -rw-r--r-- | vcl/opengl/x11/X11DeviceInfo.cxx | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/vcl/opengl/x11/X11DeviceInfo.cxx b/vcl/opengl/x11/X11DeviceInfo.cxx new file mode 100644 index 000000000..7f671952f --- /dev/null +++ b/vcl/opengl/x11/X11DeviceInfo.cxx @@ -0,0 +1,363 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * 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 <opengl/x11/X11DeviceInfo.hxx> +#include <opengl/x11/glxtest.hxx> + +#include <config_features.h> + +#include <rtl/ustring.hxx> +#include <sal/log.hxx> + +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <errno.h> +#include <sys/utsname.h> + +#include <desktop/crashreport.hxx> + +namespace glx { + +static int glxtest_pipe = 0; + +static pid_t glxtest_pid = 0; + +} + +pid_t* getGlxPid() +{ + return &glx::glxtest_pid; +} + +int* getGlxPipe() +{ + return &glx::glxtest_pipe; +} + +namespace { + +const char* +strspnp_wrapper(const char* aDelims, const char* aStr) +{ + const char* d; + do + { + for (d = aDelims; *d != '\0'; ++d) + { + if (*aStr == *d) + { + ++aStr; + break; + } + } + } while (*d); + + return aStr; +} + +char* strtok_wrapper(const char* aDelims, char** aStr) +{ + if (!*aStr) + { + return nullptr; + } + + char* ret = const_cast<char*>(strspnp_wrapper(aDelims, *aStr)); + + if (!*ret) + { + *aStr = ret; + return nullptr; + } + + char* i = ret; + do + { + for (const char* d = aDelims; *d != '\0'; ++d) + { + if (*i == *d) { + *i = '\0'; + *aStr = ++i; + return ret; + } + } + ++i; + } while (*i); + + *aStr = nullptr; + return ret; +} + +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); +} + +} + +X11OpenGLDeviceInfo::X11OpenGLDeviceInfo(): + mbIsMesa(false), + mbIsNVIDIA(false), + mbIsFGLRX(false), + mbIsNouveau(false), + mbIsIntel(false), + mbIsOldSwrast(false), + mbIsLlvmpipe(false), + mnGLMajorVersion(0), + mnMajorVersion(0), + mnMinorVersion(0), + mnRevisionVersion(0) +{ + GetData(); +} + +void X11OpenGLDeviceInfo::GetData() +{ + if (!glx::glxtest_pipe) + return; + + // to understand this function, see bug moz#639842. We retrieve the OpenGL driver information in a + // separate process to protect against bad drivers. + enum { buf_size = 1024 }; + char buf[buf_size]; + ssize_t bytesread = read(glx::glxtest_pipe, + &buf, + buf_size-1); // -1 because we'll append a zero + close(glx::glxtest_pipe); + glx::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(glx::glxtest_pid, &glxtest_status, 0) == -1) + { + waitpid_errno = errno; + if (waitpid_errno == EINTR) + { + wait_for_glxtest_process = true; + } + else + { + // Bug moz#718629 + // ECHILD happens when the glxtest process got reaped got reaped after a PR_CreateProcess + // as per bug moz#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; + + OString textureFromPixmap; + OString *stringToFill = nullptr; + char *bufptr = buf; + if (!error) + { + while(true) + { + char *line = strtok_wrapper("\n", &bufptr); + if (!line) + break; + if (stringToFill) { + *stringToFill = OString(line); + stringToFill = nullptr; + } + else if(!strcmp(line, "VENDOR")) + stringToFill = &maVendor; + else if(!strcmp(line, "RENDERER")) + stringToFill = &maRenderer; + else if(!strcmp(line, "VERSION")) + stringToFill = &maVersion; + else if(!strcmp(line, "TFP")) + stringToFill = &textureFromPixmap; + } + } + + // only useful for Linux kernel version check for FGLRX driver. + // assumes X client == X server, which is sad. + struct utsname unameobj; + if (!uname(&unameobj)) + { + maOS = OString(unameobj.sysname); + maOSRelease = OString(unameobj.release); + } + + // determine the major OpenGL version. That's the first integer in the version string. + mnGLMajorVersion = strtol(maVersion.getStr(), nullptr, 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(maVersion.getStr(), "Mesa"); + if (Mesa_in_version_string) + { + mbIsMesa = 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(maVendor.getStr(), "nouveau")) + mbIsNouveau = true; + if (strcasestr(maRenderer.getStr(), "intel")) // yes, intel is in the renderer string + mbIsIntel = true; + if (strcasestr(maRenderer.getStr(), "llvmpipe")) + mbIsLlvmpipe = true; + if (strcasestr(maRenderer.getStr(), "software rasterizer")) + mbIsOldSwrast = true; + } + else if (strstr(maVendor.getStr(), "NVIDIA Corporation")) + { + mbIsNVIDIA = 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(maVersion.getStr(), "NVIDIA"); + if (NVIDIA_in_version_string) + whereToReadVersionNumbers = NVIDIA_in_version_string + strlen("NVIDIA"); + } + else if (strstr(maVendor.getStr(), "ATI Technologies Inc")) + { + mbIsFGLRX = true; + // with the FGLRX driver, the version string only gives an OpenGL version: so let's return that. + // that can at least give a rough idea of how old the driver is. + whereToReadVersionNumbers = maVersion.getStr(); + } + + // 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-1); + buf[buf_size-1] = 0; + 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 = strtok_wrapper(".", &bufptr); + if (token) + { + mnMajorVersion = strtol(token, nullptr, 10); + token = strtok_wrapper(".", &bufptr); + if (token) + { + mnMinorVersion = strtol(token, nullptr, 10); + token = strtok_wrapper(".", &bufptr); + if (token) + mnRevisionVersion = strtol(token, nullptr, 10); + } + } + } +} + +bool X11OpenGLDeviceInfo::isDeviceBlocked() +{ + // don't even try to use OpenGL 1.x + if (mnGLMajorVersion == 1) + return true; + + CrashReporter::addKeyValue("AdapterVendorId", OStringToOUString(maVendor, RTL_TEXTENCODING_UTF8), CrashReporter::AddItem); + CrashReporter::addKeyValue("AdapterDeviceId", OStringToOUString(maRenderer, RTL_TEXTENCODING_UTF8), CrashReporter::Write); + + SAL_INFO("vcl.opengl", "Vendor: " << maVendor); + SAL_INFO("vcl.opengl", "Renderer: " << maRenderer); + SAL_INFO("vcl.opengl", "Version: " << maVersion); + SAL_INFO("vcl.opengl", "OS: " << maOS); + SAL_INFO("vcl.opengl", "OSRelease: " << maOSRelease); + + if (mbIsMesa) + { + if (mbIsNouveau && version(mnMajorVersion, mnMinorVersion) < version(8,0)) + { + SAL_WARN("vcl.opengl", "blocked driver version: old nouveau driver (requires mesa 8.0+)"); + return true; + } + else if (version(mnMajorVersion, mnMinorVersion, mnRevisionVersion) < version(7,10,3)) + { + SAL_WARN("vcl.opengl", "blocked driver version: requires at least mesa 7.10.3"); + return true; + } + else if (mbIsIntel && version(mnMajorVersion, mnMinorVersion, mnRevisionVersion) == version(9,0,2)) + { + SAL_WARN("vcl.opengl", "blocked driver version: my broken intel driver Mesa 9.0.2"); + return true; + } + else if (mbIsOldSwrast) + { + SAL_WARN("vcl.opengl", "blocked driver version: software rasterizer"); + return true; + } + else if (mbIsLlvmpipe && version(mnMajorVersion, mnMinorVersion) < version(9, 1)) + { + // bug moz#791905, Mesa bug 57733, fixed in Mesa 9.1 according to + // https://bugs.freedesktop.org/show_bug.cgi?id=57733#c3 + SAL_WARN("vcl.opengl", "blocked driver version: fdo#57733"); + return true; + } + } + else if (mbIsNVIDIA) + { + if (version(mnMajorVersion, mnMinorVersion, mnRevisionVersion) < version(257,21)) + { + SAL_WARN("vcl.opengl", "blocked driver version: nvidia requires at least 257.21"); + return true; + } + } + else if (mbIsFGLRX) + { + // 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(mnMajorVersion, mnMinorVersion, mnRevisionVersion) < version(3, 0)) + { + SAL_WARN("vcl.opengl", "blocked driver version: require at least OpenGL 3 for fglrx"); + return true; + } + // Bug moz#724640: FGLRX + Linux 2.6.32 is a crashy combo + bool unknownOS = maOS.isEmpty() || maOSRelease.isEmpty(); + bool badOS = maOS.indexOf("Linux") != -1 && + maOSRelease.indexOf("2.6.32") != -1; + if (unknownOS || badOS) + { + SAL_WARN("vcl.opengl", "blocked OS version with fglrx"); + return true; + } + } + 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. + SAL_WARN("vcl.opengl", "unknown vendor => blocked"); + return true; + } + + return false; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |