-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// 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 "gpu/config/gpu_info_collector.h"
-
#include <X11/Xlib.h>
-#include <vector>
-#include "base/command_line.h"
-#include "base/debug/trace_event.h"
-#include "base/file_util.h"
#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop.h"
-#include "base/strings/string_piece.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_tokenizer.h"
-#include "base/strings/string_util.h"
-#include "library_loaders/libpci.h"
+#include "gpu/config/gpu_info_collector_linux.h"
#include "third_party/libXNVCtrl/NVCtrl.h"
#include "third_party/libXNVCtrl/NVCtrlLib.h"
#include "ui/gfx/x/x11_types.h"
-#include "ui/gl/gl_bindings.h"
-#include "ui/gl/gl_context.h"
-#include "ui/gl/gl_implementation.h"
-#include "ui/gl/gl_surface.h"
-#include "ui/gl/gl_switches.h"
namespace gpu {
-namespace {
-
-// This checks if a system supports PCI bus.
-// We check the existence of /sys/bus/pci or /sys/bug/pci_express.
-bool IsPciSupported() {
- const base::FilePath pci_path("/sys/bus/pci/");
- const base::FilePath pcie_path("/sys/bus/pci_express/");
- return (base::PathExists(pci_path) ||
- base::PathExists(pcie_path));
-}
-
-// Scan /etc/ati/amdpcsdb.default for "ReleaseVersion".
-// Return empty string on failing.
-std::string CollectDriverVersionATI() {
- const base::FilePath::CharType kATIFileName[] =
- FILE_PATH_LITERAL("/etc/ati/amdpcsdb.default");
- base::FilePath ati_file_path(kATIFileName);
- if (!base::PathExists(ati_file_path))
- return std::string();
- std::string contents;
- if (!base::ReadFileToString(ati_file_path, &contents))
- return std::string();
- base::StringTokenizer t(contents, "\r\n");
- while (t.GetNext()) {
- std::string line = t.token();
- if (StartsWithASCII(line, "ReleaseVersion=", true)) {
- size_t begin = line.find_first_of("0123456789");
- if (begin != std::string::npos) {
- size_t end = line.find_first_not_of("0123456789.", begin);
- if (end == std::string::npos)
- return line.substr(begin);
- else
- return line.substr(begin, end - begin);
- }
- }
- }
- return std::string();
-}
-
// Use NVCtrl extention to query NV driver version.
// Return empty string on failing.
std::string CollectDriverVersionNVidia() {
return std::string();
}
-const uint32 kVendorIDIntel = 0x8086;
-const uint32 kVendorIDNVidia = 0x10de;
-const uint32 kVendorIDAMD = 0x1002;
-
-bool CollectPCIVideoCardInfo(GPUInfo* gpu_info) {
- DCHECK(gpu_info);
-
- if (IsPciSupported() == false) {
- VLOG(1) << "PCI bus scanning is not supported";
- return false;
- }
-
- // TODO(zmo): be more flexible about library name.
- LibPciLoader libpci_loader;
- if (!libpci_loader.Load("libpci.so.3") &&
- !libpci_loader.Load("libpci.so")) {
- VLOG(1) << "Failed to locate libpci";
- return false;
- }
-
- pci_access* access = (libpci_loader.pci_alloc)();
- DCHECK(access != NULL);
- (libpci_loader.pci_init)(access);
- (libpci_loader.pci_scan_bus)(access);
- bool primary_gpu_identified = false;
- for (pci_dev* device = access->devices;
- device != NULL; device = device->next) {
- // Fill the IDs and class fields.
- (libpci_loader.pci_fill_info)(device, 33);
- bool is_gpu = false;
- switch (device->device_class) {
- case PCI_CLASS_DISPLAY_VGA:
- case PCI_CLASS_DISPLAY_XGA:
- case PCI_CLASS_DISPLAY_3D:
- is_gpu = true;
- break;
- case PCI_CLASS_DISPLAY_OTHER:
- default:
- break;
- }
- if (!is_gpu)
- continue;
-
- GPUInfo::GPUDevice gpu;
- gpu.vendor_id = device->vendor_id;
- gpu.device_id = device->device_id;
-
- if (!primary_gpu_identified) {
- primary_gpu_identified = true;
- gpu_info->gpu = gpu;
- } else {
- // TODO(zmo): if there are multiple GPUs, we assume the non Intel
- // one is primary. Revisit this logic because we actually don't know
- // which GPU we are using at this point.
- if (gpu_info->gpu.vendor_id == kVendorIDIntel &&
- gpu.vendor_id != kVendorIDIntel) {
- gpu_info->secondary_gpus.push_back(gpu_info->gpu);
- gpu_info->gpu = gpu;
- } else {
- gpu_info->secondary_gpus.push_back(gpu);
- }
- }
- }
-
- // Detect Optimus or AMD Switchable GPU.
- if (gpu_info->secondary_gpus.size() == 1 &&
- gpu_info->secondary_gpus[0].vendor_id == kVendorIDIntel) {
- if (gpu_info->gpu.vendor_id == kVendorIDNVidia)
- gpu_info->optimus = true;
- if (gpu_info->gpu.vendor_id == kVendorIDAMD)
- gpu_info->amd_switchable = true;
- }
-
- (libpci_loader.pci_cleanup)(access);
- return (primary_gpu_identified);
-}
-
-} // namespace anonymous
-
-CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info) {
- DCHECK(gpu_info);
-
- TRACE_EVENT0("gpu", "gpu_info_collector::CollectGraphicsInfo");
-
- if (CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kGpuNoContextLost)) {
- gpu_info->can_lose_context = false;
- } else {
-#if defined(OS_CHROMEOS)
- gpu_info->can_lose_context = false;
-#else
- // TODO(zmo): need to consider the case where we are running on top
- // of desktop GL and GL_ARB_robustness extension is available.
- gpu_info->can_lose_context =
- (gfx::GetGLImplementation() == gfx::kGLImplementationEGLGLES2);
-#endif
- }
-
- CollectInfoResult result = CollectGraphicsInfoGL(gpu_info);
- gpu_info->finalized = true;
- return result;
-}
-
-GpuIDResult CollectGpuID(uint32* vendor_id, uint32* device_id) {
- DCHECK(vendor_id && device_id);
- *vendor_id = 0;
- *device_id = 0;
-
- GPUInfo gpu_info;
- if (CollectPCIVideoCardInfo(&gpu_info)) {
- *vendor_id = gpu_info.gpu.vendor_id;
- *device_id = gpu_info.gpu.device_id;
- if (*vendor_id != 0 && *device_id != 0)
- return kGpuIDSuccess;
- }
- return kGpuIDFailure;
-}
-
-CollectInfoResult CollectBasicGraphicsInfo(GPUInfo* gpu_info) {
- DCHECK(gpu_info);
-
- bool rt = CollectPCIVideoCardInfo(gpu_info);
-
- std::string driver_version;
- switch (gpu_info->gpu.vendor_id) {
- case kVendorIDAMD:
- driver_version = CollectDriverVersionATI();
- if (!driver_version.empty()) {
- gpu_info->driver_vendor = "ATI / AMD";
- gpu_info->driver_version = driver_version;
- }
- break;
- case kVendorIDNVidia:
- driver_version = CollectDriverVersionNVidia();
- if (!driver_version.empty()) {
- gpu_info->driver_vendor = "NVIDIA";
- gpu_info->driver_version = driver_version;
- }
- break;
- case kVendorIDIntel:
- // In dual-GPU cases, sometimes PCI scan only gives us the
- // integrated GPU (i.e., the Intel one).
- if (gpu_info->secondary_gpus.size() == 0) {
- driver_version = CollectDriverVersionNVidia();
- if (!driver_version.empty()) {
- gpu_info->driver_vendor = "NVIDIA";
- gpu_info->driver_version = driver_version;
- gpu_info->optimus = true;
- // Put Intel to the secondary GPU list.
- gpu_info->secondary_gpus.push_back(gpu_info->gpu);
- // Put NVIDIA as the primary GPU.
- gpu_info->gpu.vendor_id = kVendorIDNVidia;
- gpu_info->gpu.device_id = 0; // Unknown Device.
- }
- }
- break;
- }
-
- return rt ? kCollectInfoSuccess : kCollectInfoNonFatalFailure;
-}
-
-CollectInfoResult CollectDriverInfoGL(GPUInfo* gpu_info) {
- DCHECK(gpu_info);
-
- std::string gl_version = gpu_info->gl_version;
- if (StartsWithASCII(gl_version, "OpenGL ES", true))
- gl_version = gl_version.substr(10);
- std::vector<std::string> pieces;
- base::SplitStringAlongWhitespace(gl_version, &pieces);
- // In linux, the gl version string might be in the format of
- // GLVersion DriverVendor DriverVersion
- if (pieces.size() < 3)
- return kCollectInfoNonFatalFailure;
-
- std::string driver_version = pieces[2];
- size_t pos = driver_version.find_first_not_of("0123456789.");
- if (pos == 0)
- return kCollectInfoNonFatalFailure;
- if (pos != std::string::npos)
- driver_version = driver_version.substr(0, pos);
-
- gpu_info->driver_vendor = pieces[1];
- 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
projects / platform / framework / web / crosswalk.git / blobdiff