// Copyright (c) 2012 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.
#ifndef GPU_CONFIG_GPU_INFO_H_
#define GPU_CONFIG_GPU_INFO_H_
// Provides access to the GPU information for the system
// on which chrome is currently running.
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/time/time.h"
#include "base/version.h"
#include "build/build_config.h"
#include "gpu/config/dx_diag_node.h"
#include "gpu/config/gpu_performance_stats.h"
#include "gpu/gpu_export.h"
namespace gpu {
struct GPU_EXPORT GPUInfo {
struct GPU_EXPORT GPUDevice {
GPUDevice();
~GPUDevice();
// The DWORD (uint32) representing the graphics card vendor id.
uint32 vendor_id;
// The DWORD (uint32) representing the graphics card device id.
// Device ids are unique to vendor, not to one another.
uint32 device_id;
// Whether this GPU is the currently used one.
// Currently this field is only supported and meaningful on OS X.
bool active;
// The strings that describe the GPU.
// In Linux these strings are obtained through libpci.
// In Win/MacOSX, these two strings are not filled at the moment.
// In Android, these are respectively GL_VENDOR and GL_RENDERER.
std::string vendor_string;
std::string device_string;
};
GPUInfo();
~GPUInfo();
bool SupportsAccelerated2dCanvas() const {
return !can_lose_context && !software_rendering;
}
// Whether more GPUInfo fields might be collected in the future.
bool finalized;
// The amount of time taken to get from the process starting to the message
// loop being pumped.
base::TimeDelta initialization_time;
// Computer has NVIDIA Optimus
bool optimus;
// Computer has AMD Dynamic Switchable Graphics
bool amd_switchable;
// Lenovo dCute is installed. http://crbug.com/181665.
bool lenovo_dcute;
// Version of DisplayLink driver installed. Zero if not installed.
// http://crbug.com/177611.
Version display_link_version;
// Primary GPU, for exmaple, the discrete GPU in a dual GPU machine.
GPUDevice gpu;
// Secondary GPUs, for example, the integrated GPU in a dual GPU machine.
std::vector<GPUDevice> secondary_gpus;
// On Windows, the unique identifier of the adapter the GPU process uses.
// The default is zero, which makes the browser process create its D3D device
// on the primary adapter. Note that the primary adapter can change at any
// time so it is better to specify a particular LUID. Note that valid LUIDs
// are always non-zero.
uint64 adapter_luid;
// The vendor of the graphics driver currently installed.
std::string driver_vendor;
// The version of the graphics driver currently installed.
std::string driver_version;
// The date of the graphics driver currently installed.
std::string driver_date;
// The version of the pixel/fragment shader used by the gpu.
std::string pixel_shader_version;
// The version of the vertex shader used by the gpu.
std::string vertex_shader_version;
// The machine model identifier with format "name major.minor".
// Name should not contain any whitespaces.
std::string machine_model;
// The version of OpenGL we are using.
// TODO(zmo): should be able to tell if it's GL or GLES.
std::string gl_version;
// The GL_VERSION string. "" if we are not using OpenGL.
std::string gl_version_string;
// The GL_VENDOR string. "" if we are not using OpenGL.
std::string gl_vendor;
// The GL_RENDERER string. "" if we are not using OpenGL.
std::string gl_renderer;
// The GL_EXTENSIONS string. "" if we are not using OpenGL.
std::string gl_extensions;
// GL window system binding vendor. "" if not available.
std::string gl_ws_vendor;
// GL window system binding version. "" if not available.
std::string gl_ws_version;
// GL window system binding extensions. "" if not available.
std::string gl_ws_extensions;
// GL reset notification strategy as defined by GL_ARB_robustness. 0 if GPU
// reset detection or notification not available.
uint32 gl_reset_notification_strategy;
// The device semantics, i.e. whether the Vista and Windows 7 specific
// semantics are available.
bool can_lose_context;
// By default all values are 0.
GpuPerformanceStats performance_stats;
bool software_rendering;
// Whether the driver uses direct rendering. True on most platforms, false on
// X11 when using remote X.
bool direct_rendering;
// Whether the gpu process is running in a sandbox.
bool sandboxed;
#if defined(OS_WIN)
// The information returned by the DirectX Diagnostics Tool.
DxDiagNode dx_diagnostics;
#endif
// Note: when adding new members, please remember to update EnumerateFields
// in gpu_info.cc.
// In conjunction with EnumerateFields, this allows the embedder to
// enumerate the values in this structure without having to embed
// references to its specific member variables. This simplifies the
// addition of new fields to this type.
class Enumerator {
public:
// The following methods apply to the "current" object. Initially this
// is the root object, but calls to BeginGPUDevice/EndGPUDevice and
// BeginAuxAttributes/EndAuxAttributes change the object to which these
// calls should apply.
virtual void AddInt64(const char* name, int64 value) = 0;
virtual void AddInt(const char* name, int value) = 0;
virtual void AddString(const char* name, const std::string& value) = 0;
virtual void AddBool(const char* name, bool value) = 0;
virtual void AddTimeDeltaInSecondsF(const char* name,
const base::TimeDelta& value) = 0;
// Markers indicating that a GPUDevice is being described.
virtual void BeginGPUDevice() = 0;
virtual void EndGPUDevice() = 0;
// Markers indicating that "auxiliary" attributes of the GPUInfo
// (according to the DevTools protocol) are being described.
virtual void BeginAuxAttributes() = 0;
virtual void EndAuxAttributes() = 0;
protected:
virtual ~Enumerator() {}
};
// Outputs the fields in this structure to the provided enumerator.
void EnumerateFields(Enumerator* enumerator) const;
};
} // namespace gpu
#endif // GPU_CONFIG_GPU_INFO_H_