mirror of
https://github.com/mozilla/gecko-dev.git
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6828eee6b1
MozReview-Commit-ID: ESJY9kkqXR8 Differential Revision: https://phabricator.services.mozilla.com/D19190
525 lines
17 KiB
C++
525 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <sys/utsname.h>
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#include "nsCRTGlue.h"
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#include "nsExceptionHandler.h"
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#include "nsICrashReporter.h"
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#include "prenv.h"
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#include "nsPrintfCString.h"
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#include "nsWhitespaceTokenizer.h"
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#include "GfxInfoX11.h"
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#ifdef DEBUG
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bool fire_glxtest_process();
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#endif
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namespace mozilla {
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namespace widget {
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#ifdef DEBUG
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NS_IMPL_ISUPPORTS_INHERITED(GfxInfo, GfxInfoBase, nsIGfxInfoDebug)
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#endif
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// these global variables will be set when firing the glxtest process
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int glxtest_pipe = -1;
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pid_t glxtest_pid = 0;
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nsresult GfxInfo::Init() {
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mGLMajorVersion = 0;
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mGLMinorVersion = 0;
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mHasTextureFromPixmap = false;
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mIsMesa = false;
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mIsAccelerated = true;
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return GfxInfoBase::Init();
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}
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void GfxInfo::AddCrashReportAnnotations() {
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CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AdapterVendorID,
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mVendorId);
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CrashReporter::AnnotateCrashReport(CrashReporter::Annotation::AdapterDeviceID,
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mDeviceId);
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CrashReporter::AnnotateCrashReport(
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CrashReporter::Annotation::AdapterDriverVersion, mDriverVersion);
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}
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void GfxInfo::GetData() {
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// to understand this function, see bug 639842. We retrieve the OpenGL driver
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// information in a separate process to protect against bad drivers.
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// if glxtest_pipe == -1, that means that we already read the information
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if (glxtest_pipe == -1) return;
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enum { buf_size = 1024 };
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char buf[buf_size];
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ssize_t bytesread = read(glxtest_pipe, &buf,
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buf_size - 1); // -1 because we'll append a zero
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close(glxtest_pipe);
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glxtest_pipe = -1;
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// bytesread < 0 would mean that the above read() call failed.
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// This should never happen. If it did, the outcome would be to blacklist
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// anyway.
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if (bytesread < 0) bytesread = 0;
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// let buf be a zero-terminated string
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buf[bytesread] = 0;
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// Wait for the glxtest process to finish. This serves 2 purposes:
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// * avoid having a zombie glxtest process laying around
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// * get the glxtest process status info.
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int glxtest_status = 0;
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bool wait_for_glxtest_process = true;
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bool waiting_for_glxtest_process_failed = false;
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int waitpid_errno = 0;
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while (wait_for_glxtest_process) {
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wait_for_glxtest_process = false;
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if (waitpid(glxtest_pid, &glxtest_status, 0) == -1) {
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waitpid_errno = errno;
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if (waitpid_errno == EINTR) {
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wait_for_glxtest_process = true;
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} else {
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// Bug 718629
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// ECHILD happens when the glxtest process got reaped got reaped after a
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// PR_CreateProcess as per bug 227246. This shouldn't matter, as we
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// still seem to get the data from the pipe, and if we didn't, the
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// outcome would be to blacklist anyway.
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waiting_for_glxtest_process_failed = (waitpid_errno != ECHILD);
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}
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}
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}
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bool exited_with_error_code = !waiting_for_glxtest_process_failed &&
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WIFEXITED(glxtest_status) &&
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WEXITSTATUS(glxtest_status) != EXIT_SUCCESS;
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bool received_signal =
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!waiting_for_glxtest_process_failed && WIFSIGNALED(glxtest_status);
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bool error = waiting_for_glxtest_process_failed || exited_with_error_code ||
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received_signal;
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nsCString glVendor;
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nsCString glRenderer;
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nsCString glVersion;
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nsCString textureFromPixmap;
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// Available if GLX_MESA_query_renderer is supported.
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nsCString mesaVendor;
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nsCString mesaDevice;
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nsCString mesaAccelerated;
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// Available if using a DRI-based libGL stack.
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nsCString driDriver;
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nsCString *stringToFill = nullptr;
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char *bufptr = buf;
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if (!error) {
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while (true) {
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char *line = NS_strtok("\n", &bufptr);
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if (!line) break;
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if (stringToFill) {
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stringToFill->Assign(line);
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stringToFill = nullptr;
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} else if (!strcmp(line, "VENDOR"))
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stringToFill = &glVendor;
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else if (!strcmp(line, "RENDERER"))
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stringToFill = &glRenderer;
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else if (!strcmp(line, "VERSION"))
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stringToFill = &glVersion;
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else if (!strcmp(line, "TFP"))
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stringToFill = &textureFromPixmap;
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else if (!strcmp(line, "MESA_VENDOR_ID"))
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stringToFill = &mesaVendor;
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else if (!strcmp(line, "MESA_DEVICE_ID"))
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stringToFill = &mesaDevice;
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else if (!strcmp(line, "MESA_ACCELERATED"))
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stringToFill = &mesaAccelerated;
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else if (!strcmp(line, "MESA_VRAM"))
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stringToFill = &mAdapterRAM;
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else if (!strcmp(line, "DRI_DRIVER"))
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stringToFill = &driDriver;
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}
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}
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if (!strcmp(textureFromPixmap.get(), "TRUE")) mHasTextureFromPixmap = true;
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// only useful for Linux kernel version check for FGLRX driver.
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// assumes X client == X server, which is sad.
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struct utsname unameobj;
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if (uname(&unameobj) >= 0) {
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mOS.Assign(unameobj.sysname);
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mOSRelease.Assign(unameobj.release);
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}
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const char *spoofedVendor = PR_GetEnv("MOZ_GFX_SPOOF_GL_VENDOR");
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if (spoofedVendor) glVendor.Assign(spoofedVendor);
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const char *spoofedRenderer = PR_GetEnv("MOZ_GFX_SPOOF_GL_RENDERER");
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if (spoofedRenderer) glRenderer.Assign(spoofedRenderer);
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const char *spoofedVersion = PR_GetEnv("MOZ_GFX_SPOOF_GL_VERSION");
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if (spoofedVersion) glVersion.Assign(spoofedVersion);
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const char *spoofedOS = PR_GetEnv("MOZ_GFX_SPOOF_OS");
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if (spoofedOS) mOS.Assign(spoofedOS);
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const char *spoofedOSRelease = PR_GetEnv("MOZ_GFX_SPOOF_OS_RELEASE");
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if (spoofedOSRelease) mOSRelease.Assign(spoofedOSRelease);
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if (error || glVendor.IsEmpty() || glRenderer.IsEmpty() ||
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glVersion.IsEmpty() || mOS.IsEmpty() || mOSRelease.IsEmpty()) {
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mAdapterDescription.AppendLiteral("GLXtest process failed");
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if (waiting_for_glxtest_process_failed)
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mAdapterDescription.AppendPrintf(
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" (waitpid failed with errno=%d for pid %d)", waitpid_errno,
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glxtest_pid);
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if (exited_with_error_code)
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mAdapterDescription.AppendPrintf(" (exited with status %d)",
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WEXITSTATUS(glxtest_status));
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if (received_signal)
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mAdapterDescription.AppendPrintf(" (received signal %d)",
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WTERMSIG(glxtest_status));
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if (bytesread) {
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mAdapterDescription.AppendLiteral(": ");
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mAdapterDescription.Append(nsDependentCString(buf));
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mAdapterDescription.Append('\n');
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}
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CrashReporter::AppendAppNotesToCrashReport(mAdapterDescription);
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return;
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}
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// Scan the GL_VERSION string for the GL and driver versions.
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nsCWhitespaceTokenizer tokenizer(glVersion);
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while (tokenizer.hasMoreTokens()) {
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nsCString token(tokenizer.nextToken());
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unsigned int major = 0, minor = 0, revision = 0, patch = 0;
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if (sscanf(token.get(), "%u.%u.%u.%u", &major, &minor, &revision, &patch) >=
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2) {
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// A survey of GL_VENDOR strings indicates that the first version is
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// always the GL version, the second is usually the driver version.
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if (mGLMajorVersion == 0) {
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mGLMajorVersion = major;
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mGLMinorVersion = minor;
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} else if (mDriverVersion.IsEmpty()) { // Not already spoofed.
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mDriverVersion =
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nsPrintfCString("%u.%u.%u.%u", major, minor, revision, patch);
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}
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}
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}
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if (mGLMajorVersion == 0) {
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NS_WARNING("Failed to parse GL version!");
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return;
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}
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// Mesa always exposes itself in the GL_VERSION string, but not always the
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// GL_VENDOR string.
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mIsMesa = glVersion.Find("Mesa") != -1;
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// We need to use custom vendor IDs for mesa so we can treat them
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// differently than the proprietary drivers.
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if (mIsMesa) {
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mIsAccelerated = !mesaAccelerated.Equals("FALSE");
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// Process software rasterizers before the DRI driver string; we may be
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// forcing software rasterization on a DRI-accelerated X server by using
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// LIBGL_ALWAYS_SOFTWARE or a similar restriction.
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if (strcasestr(glRenderer.get(), "llvmpipe")) {
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CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(VendorMesaLLVMPipe),
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mVendorId);
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mIsAccelerated = false;
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} else if (strcasestr(glRenderer.get(), "softpipe")) {
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CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(VendorMesaSoftPipe),
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mVendorId);
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mIsAccelerated = false;
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} else if (strcasestr(glRenderer.get(), "software rasterizer") ||
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!mIsAccelerated) {
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// Fallback to reporting swrast if GLX_MESA_query_renderer tells us
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// we're using an unaccelerated context.
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CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(VendorMesaSWRast),
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mVendorId);
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mIsAccelerated = false;
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} else if (!driDriver.IsEmpty()) {
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mVendorId = nsPrintfCString("mesa/%s", driDriver.get());
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} else {
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// Some other mesa configuration where we couldn't get enough info.
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NS_WARNING("Failed to detect Mesa driver being used!");
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CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(VendorMesaUnknown),
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mVendorId);
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}
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if (!mesaDevice.IsEmpty()) {
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mDeviceId = mesaDevice;
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} else {
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NS_WARNING(
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"Failed to get Mesa device ID! GLX_MESA_query_renderer unsupported?");
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}
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} else if (glVendor.EqualsLiteral("NVIDIA Corporation")) {
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CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(VendorNVIDIA), mVendorId);
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// TODO: Use NV-CONTROL X11 extension to query Device ID and VRAM.
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} else if (glVendor.EqualsLiteral("ATI Technologies Inc.")) {
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CopyUTF16toUTF8(GfxDriverInfo::GetDeviceVendor(VendorATI), mVendorId);
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// TODO: Look into ways to find the device ID on FGLRX.
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} else {
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NS_WARNING("Failed to detect GL vendor!");
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}
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// Fallback to GL_VENDOR and GL_RENDERER.
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if (mVendorId.IsEmpty()) {
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mVendorId.Assign(glVendor.get());
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}
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if (mDeviceId.IsEmpty()) {
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mDeviceId.Assign(glRenderer.get());
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}
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mAdapterDescription.Assign(glRenderer);
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AddCrashReportAnnotations();
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}
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const nsTArray<GfxDriverInfo> &GfxInfo::GetGfxDriverInfo() {
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if (!sDriverInfo->Length()) {
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// Mesa 10.0 provides the GLX_MESA_query_renderer extension, which allows us
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// to query device IDs backing a GL context for blacklisting.
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APPEND_TO_DRIVER_BLOCKLIST(
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OperatingSystem::Linux,
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(nsAString &)GfxDriverInfo::GetDeviceVendor(VendorMesaAll),
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GfxDriverInfo::allDevices, GfxDriverInfo::allFeatures,
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nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
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V(10, 0, 0, 0), "FEATURE_FAILURE_OLD_MESA", "Mesa 10.0");
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// NVIDIA baseline (ported from old blocklist)
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APPEND_TO_DRIVER_BLOCKLIST(
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OperatingSystem::Linux,
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(nsAString &)GfxDriverInfo::GetDeviceVendor(VendorNVIDIA),
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GfxDriverInfo::allDevices, GfxDriverInfo::allFeatures,
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nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
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V(257, 21, 0, 0), "FEATURE_FAILURE_OLD_NVIDIA", "NVIDIA 257.21");
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// fglrx baseline (chosen arbitrarily as 2013-07-22 release).
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APPEND_TO_DRIVER_BLOCKLIST(
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OperatingSystem::Linux,
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(nsAString &)GfxDriverInfo::GetDeviceVendor(VendorATI),
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GfxDriverInfo::allDevices, GfxDriverInfo::allFeatures,
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nsIGfxInfo::FEATURE_BLOCKED_DRIVER_VERSION, DRIVER_LESS_THAN,
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V(13, 15, 100, 1), "FEATURE_FAILURE_OLD_FGLRX", "fglrx 13.15.100.1");
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}
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return *sDriverInfo;
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}
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bool GfxInfo::DoesVendorMatch(const nsAString &aBlocklistVendor,
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const nsAString &aAdapterVendor) {
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if (mIsMesa &&
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aBlocklistVendor.Equals(GfxDriverInfo::GetDeviceVendor(VendorMesaAll),
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nsCaseInsensitiveStringComparator())) {
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return true;
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}
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return GfxInfoBase::DoesVendorMatch(aBlocklistVendor, aAdapterVendor);
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}
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nsresult GfxInfo::GetFeatureStatusImpl(
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int32_t aFeature, int32_t *aStatus, nsAString &aSuggestedDriverVersion,
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const nsTArray<GfxDriverInfo> &aDriverInfo, nsACString &aFailureId,
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OperatingSystem *aOS /* = nullptr */)
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{
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NS_ENSURE_ARG_POINTER(aStatus);
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*aStatus = nsIGfxInfo::FEATURE_STATUS_UNKNOWN;
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aSuggestedDriverVersion.SetIsVoid(true);
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OperatingSystem os = OperatingSystem::Linux;
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if (aOS) *aOS = os;
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if (sShutdownOccurred) {
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return NS_OK;
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}
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GetData();
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if (mGLMajorVersion == 0) {
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// If we failed to get a GL version, glxtest failed.
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*aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
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aFailureId = "FEATURE_FAILURE_GLXTEST_FAILED";
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return NS_OK;
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}
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if (mGLMajorVersion == 1) {
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// We're on OpenGL 1. In most cases that indicates really old hardware.
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// We better block them, rather than rely on them to fail gracefully,
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// because they don't! see bug 696636
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*aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
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aFailureId = "FEATURE_FAILURE_OPENGL_1";
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return NS_OK;
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}
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// Blacklist software GL implementations from using layers acceleration.
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// On the test infrastructure, we'll force-enable layers acceleration.
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if (aFeature == nsIGfxInfo::FEATURE_OPENGL_LAYERS && !mIsAccelerated &&
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!PR_GetEnv("MOZ_LAYERS_ALLOW_SOFTWARE_GL")) {
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*aStatus = nsIGfxInfo::FEATURE_BLOCKED_DEVICE;
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aFailureId = "FEATURE_FAILURE_SOFTWARE_GL";
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return NS_OK;
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}
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return GfxInfoBase::GetFeatureStatusImpl(
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aFeature, aStatus, aSuggestedDriverVersion, aDriverInfo, aFailureId, &os);
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}
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NS_IMETHODIMP
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GfxInfo::GetD2DEnabled(bool *aEnabled) { return NS_ERROR_FAILURE; }
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NS_IMETHODIMP
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GfxInfo::GetDWriteEnabled(bool *aEnabled) { return NS_ERROR_FAILURE; }
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NS_IMETHODIMP
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GfxInfo::GetDWriteVersion(nsAString &aDwriteVersion) {
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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GfxInfo::GetCleartypeParameters(nsAString &aCleartypeParams) {
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDescription(nsAString &aAdapterDescription) {
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GetData();
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AppendASCIItoUTF16(mAdapterDescription, aAdapterDescription);
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return NS_OK;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDescription2(nsAString &aAdapterDescription) {
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterRAM(nsAString &aAdapterRAM) {
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GetData();
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CopyUTF8toUTF16(mAdapterRAM, aAdapterRAM);
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return NS_OK;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterRAM2(nsAString &aAdapterRAM) { return NS_ERROR_FAILURE; }
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NS_IMETHODIMP
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GfxInfo::GetAdapterDriver(nsAString &aAdapterDriver) {
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aAdapterDriver.Truncate();
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return NS_OK;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDriver2(nsAString &aAdapterDriver) {
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDriverVersion(nsAString &aAdapterDriverVersion) {
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GetData();
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CopyASCIItoUTF16(mDriverVersion, aAdapterDriverVersion);
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return NS_OK;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDriverVersion2(nsAString &aAdapterDriverVersion) {
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDriverDate(nsAString &aAdapterDriverDate) {
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aAdapterDriverDate.Truncate();
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return NS_OK;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDriverDate2(nsAString &aAdapterDriverDate) {
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterVendorID(nsAString &aAdapterVendorID) {
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GetData();
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CopyUTF8toUTF16(mVendorId, aAdapterVendorID);
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return NS_OK;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterVendorID2(nsAString &aAdapterVendorID) {
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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GfxInfo::GetAdapterDeviceID(nsAString &aAdapterDeviceID) {
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GetData();
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CopyUTF8toUTF16(mDeviceId, aAdapterDeviceID);
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|
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) {
|
|
GetData();
|
|
CopyUTF16toUTF8(aVendorID, mVendorId);
|
|
mIsAccelerated = !(mVendorId.EqualsLiteral("mesa/llvmpipe") ||
|
|
mVendorId.EqualsLiteral("mesa/softpipe") ||
|
|
mVendorId.EqualsLiteral("mesa/swrast"));
|
|
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;
|
|
}
|
|
|
|
NS_IMETHODIMP GfxInfo::FireTestProcess() {
|
|
// If the pid is zero, then we have never run the test process to query for
|
|
// driver information. This would normally be run on startup, but we need to
|
|
// manually invoke it for XPC shell tests.
|
|
if (glxtest_pid == 0) {
|
|
fire_glxtest_process();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
#endif
|
|
|
|
} // end namespace widget
|
|
} // end namespace mozilla
|