gpu/config/gpu_info.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef GPU_CONFIG_GPU_INFO_H_
   6 #define GPU_CONFIG_GPU_INFO_H_
   7
   8 // Provides access to the GPU information for the system
   9 // on which chrome is currently running.
  10
  11 #include <string>
  12 #include <vector>
  13
  14 #include "base/basictypes.h"
  15 #include "base/time/time.h"
  16 #include "base/version.h"
  17 #include "build/build_config.h"
  18 #include "gpu/config/dx_diag_node.h"
  19 #include "gpu/config/gpu_performance_stats.h"
  20 #include "gpu/gpu_export.h"
  21
  22 namespace gpu {
  23
  24 struct GPU_EXPORT GPUInfo {
  25   struct GPU_EXPORT GPUDevice {
  26     GPUDevice();
  27     ~GPUDevice();
  28
  29     // The DWORD (uint32) representing the graphics card vendor id.
  30     uint32 vendor_id;
  31
  32     // The DWORD (uint32) representing the graphics card device id.
  33     // Device ids are unique to vendor, not to one another.
  34     uint32 device_id;
  35
  36     // Whether this GPU is the currently used one.
  37     // Currently this field is only supported and meaningful on OS X.
  38     bool active;
  39
  40     // The strings that describe the GPU.
  41     // In Linux these strings are obtained through libpci.
  42     // In Win/MacOSX, these two strings are not filled at the moment.
  43     // In Android, these are respectively GL_VENDOR and GL_RENDERER.
  44     std::string vendor_string;
  45     std::string device_string;
  46   };
  47
  48   GPUInfo();
  49   ~GPUInfo();
  50
  51   bool SupportsAccelerated2dCanvas() const {
  52     return !can_lose_context && !software_rendering;
  53   }
  54
  55   // Whether more GPUInfo fields might be collected in the future.
  56   bool finalized;
  57
  58   // The amount of time taken to get from the process starting to the message
  59   // loop being pumped.
  60   base::TimeDelta initialization_time;
  61
  62   // Computer has NVIDIA Optimus
  63   bool optimus;
  64
  65   // Computer has AMD Dynamic Switchable Graphics
  66   bool amd_switchable;
  67
  68   // Lenovo dCute is installed. http://crbug.com/181665.
  69   bool lenovo_dcute;
  70
  71   // Version of DisplayLink driver installed. Zero if not installed.
  72   // http://crbug.com/177611.
  73   Version display_link_version;
  74
  75   // Primary GPU, for exmaple, the discrete GPU in a dual GPU machine.
  76   GPUDevice gpu;
  77
  78   // Secondary GPUs, for example, the integrated GPU in a dual GPU machine.
  79   std::vector<GPUDevice> secondary_gpus;
  80
  81   // On Windows, the unique identifier of the adapter the GPU process uses.
  82   // The default is zero, which makes the browser process create its D3D device
  83   // on the primary adapter. Note that the primary adapter can change at any
  84   // time so it is better to specify a particular LUID. Note that valid LUIDs
  85   // are always non-zero.
  86   uint64 adapter_luid;
  87
  88   // The vendor of the graphics driver currently installed.
  89   std::string driver_vendor;
  90
  91   // The version of the graphics driver currently installed.
  92   std::string driver_version;
  93
  94   // The date of the graphics driver currently installed.
  95   std::string driver_date;
  96
  97   // The version of the pixel/fragment shader used by the gpu.
  98   std::string pixel_shader_version;
  99
 100   // The version of the vertex shader used by the gpu.
 101   std::string vertex_shader_version;
 102
 103   // The machine model identifier. They can contain any character, including
 104   // whitespaces.  Currently it is supported on MacOSX and Android.
 105   // Android examples: "Naxus 5", "XT1032".
 106   // On MacOSX, the version is stripped out of the model identifier, for
 107   // example, the original identifier is "MacBookPro7,2", and we put
 108   // "MacBookPro" as machine_model_name, and "7.2" as machine_model_version.
 109   std::string machine_model_name;
 110
 111   // The version of the machine model. Currently it is supported on MacOSX.
 112   // See machine_model_name's comment.
 113   std::string machine_model_version;
 114
 115   // The GL_VERSION string.
 116   std::string gl_version;
 117
 118   // The GL_VENDOR string.
 119   std::string gl_vendor;
 120
 121   // The GL_RENDERER string.
 122   std::string gl_renderer;
 123
 124   // The GL_EXTENSIONS string.
 125   std::string gl_extensions;
 126
 127   // GL window system binding vendor.  "" if not available.
 128   std::string gl_ws_vendor;
 129
 130   // GL window system binding version.  "" if not available.
 131   std::string gl_ws_version;
 132
 133   // GL window system binding extensions.  "" if not available.
 134   std::string gl_ws_extensions;
 135
 136   // GL reset notification strategy as defined by GL_ARB_robustness. 0 if GPU
 137   // reset detection or notification not available.
 138   uint32 gl_reset_notification_strategy;
 139
 140   // The device semantics, i.e. whether the Vista and Windows 7 specific
 141   // semantics are available.
 142   bool can_lose_context;
 143
 144   // By default all values are 0.
 145   GpuPerformanceStats performance_stats;
 146
 147   bool software_rendering;
 148
 149   // Whether the driver uses direct rendering. True on most platforms, false on
 150   // X11 when using remote X.
 151   bool direct_rendering;
 152
 153   // Whether the gpu process is running in a sandbox.
 154   bool sandboxed;
 155
 156 #if defined(OS_WIN)
 157   // The information returned by the DirectX Diagnostics Tool.
 158   DxDiagNode dx_diagnostics;
 159 #endif
 160   // Note: when adding new members, please remember to update EnumerateFields
 161   // in gpu_info.cc.
 162
 163   // In conjunction with EnumerateFields, this allows the embedder to
 164   // enumerate the values in this structure without having to embed
 165   // references to its specific member variables. This simplifies the
 166   // addition of new fields to this type.
 167   class Enumerator {
 168    public:
 169     // The following methods apply to the "current" object. Initially this
 170     // is the root object, but calls to BeginGPUDevice/EndGPUDevice and
 171     // BeginAuxAttributes/EndAuxAttributes change the object to which these
 172     // calls should apply.
 173     virtual void AddInt64(const char* name, int64 value) = 0;
 174     virtual void AddInt(const char* name, int value) = 0;
 175     virtual void AddString(const char* name, const std::string& value) = 0;
 176     virtual void AddBool(const char* name, bool value) = 0;
 177     virtual void AddTimeDeltaInSecondsF(const char* name,
 178                                         const base::TimeDelta& value) = 0;
 179
 180     // Markers indicating that a GPUDevice is being described.
 181     virtual void BeginGPUDevice() = 0;
 182     virtual void EndGPUDevice() = 0;
 183
 184     // Markers indicating that "auxiliary" attributes of the GPUInfo
 185     // (according to the DevTools protocol) are being described.
 186     virtual void BeginAuxAttributes() = 0;
 187     virtual void EndAuxAttributes() = 0;
 188
 189    protected:
 190     virtual ~Enumerator() {}
 191   };
 192
 193   // Outputs the fields in this structure to the provided enumerator.
 194   void EnumerateFields(Enumerator* enumerator) const;
 195 };
 196
 197 }  // namespace gpu
 198
 199 #endif  // GPU_CONFIG_GPU_INFO_H_