blob: b15f99056544444d2d2bcfa8ee4f01fd77d8c710 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "base/strings/string_split.h"
#include "base/trace_event/trace_event.h"
#include "gpu/config/gpu_info_collector.h"
#include "gpu/config/gpu_switches.h"
#include "third_party/angle/src/gpu_info_util/SystemInfo.h"
#include "third_party/re2/src/re2/re2.h"
namespace gpu {
CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info) {
TRACE_EVENT0("gpu", "gpu_info_collector::CollectGraphicsInfo");
CollectInfoResult result = CollectGraphicsInfoGL(gpu_info);
gpu_info->context_info_state = result;
return result;
CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) {
angle::SystemInfo system_info;
bool success = angle::GetSystemInfo(&system_info);
FillGPUInfoFromSystemInfo(gpu_info, &system_info);
if (success) {
gpu_info->basic_info_state = kCollectInfoSuccess;
} else {
gpu_info->basic_info_state = kCollectInfoNonFatalFailure;
return gpu_info->basic_info_state;
CollectInfoResult CollectDriverInfoGL(GPUInfo* gpu_info) {
// Driver vendor and version are always expected to be extracted from the
// testing gl version.
if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kGpuTestingGLVersion) &&
!gpu_info->driver_vendor.empty() && !gpu_info->driver_version.empty()) {
return kCollectInfoSuccess;
std::string gl_version = gpu_info->gl_version;
std::vector<std::string> pieces = base::SplitString(
gl_version, base::kWhitespaceASCII, base::KEEP_WHITESPACE,
// In linux, the gl version string might be in the format of
// GLVersion DriverVendor DriverVersion
if (pieces.size() < 3)
return kCollectInfoNonFatalFailure;
// Search from the end for the first piece that starts with major.minor or
// major.minor.micro but assume the driver version cannot be in the first two
// pieces.
re2::RE2 pattern("([\\d]+\\.[\\d]+(\\.[\\d]+)?).*");
std::string driver_version;
auto it = pieces.rbegin();
while (pieces.rend() - it > 2) {
bool parsed = re2::RE2::FullMatch(*it, pattern, &driver_version);
if (parsed)
if (driver_version.empty())
return kCollectInfoNonFatalFailure;
gpu_info->driver_vendor = *(++it);
gpu_info->driver_version = driver_version;
return kCollectInfoSuccess;
void MergeGPUInfo(GPUInfo* basic_gpu_info,
const GPUInfo& context_gpu_info) {
MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
} // namespace gpu