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     // The strings that describe the GPU.
  37     // In Linux these strings are obtained through libpci.
  38     // In Win/MacOSX, these two strings are not filled at the moment.
  39     // In Android, these are respectively GL_VENDOR and GL_RENDERER.
  40     std::string vendor_string;
  41     std::string device_string;
  42   };
  43
  44   GPUInfo();
  45   ~GPUInfo();
  46
  47   bool SupportsAccelerated2dCanvas() const {
  48     return !can_lose_context && !software_rendering;
  49   }
  50
  51   // Whether more GPUInfo fields might be collected in the future.
  52   bool finalized;
  53
  54   // The amount of time taken to get from the process starting to the message
  55   // loop being pumped.
  56   base::TimeDelta initialization_time;
  57
  58   // Computer has NVIDIA Optimus
  59   bool optimus;
  60
  61   // Computer has AMD Dynamic Switchable Graphics
  62   bool amd_switchable;
  63
  64   // Lenovo dCute is installed. http://crbug.com/181665.
  65   bool lenovo_dcute;
  66
  67   // Version of DisplayLink driver installed. Zero if not installed.
  68   // http://crbug.com/177611.
  69   Version display_link_version;
  70
  71   // Primary GPU, for exmaple, the discrete GPU in a dual GPU machine.
  72   GPUDevice gpu;
  73
  74   // Secondary GPUs, for example, the integrated GPU in a dual GPU machine.
  75   std::vector<GPUDevice> secondary_gpus;
  76
  77   // On Windows, the unique identifier of the adapter the GPU process uses.
  78   // The default is zero, which makes the browser process create its D3D device
  79   // on the primary adapter. Note that the primary adapter can change at any
  80   // time so it is better to specify a particular LUID. Note that valid LUIDs
  81   // are always non-zero.
  82   uint64 adapter_luid;
  83
  84   // The vendor of the graphics driver currently installed.
  85   std::string driver_vendor;
  86
  87   // The version of the graphics driver currently installed.
  88   std::string driver_version;
  89
  90   // The date of the graphics driver currently installed.
  91   std::string driver_date;
  92
  93   // The version of the pixel/fragment shader used by the gpu.
  94   std::string pixel_shader_version;
  95
  96   // The version of the vertex shader used by the gpu.
  97   std::string vertex_shader_version;
  98
  99   // The machine model identifier with format "name major.minor".
 100   // Name should not contain any whitespaces.
 101   std::string machine_model;
 102
 103   // The version of OpenGL we are using.
 104   // TODO(zmo): should be able to tell if it's GL or GLES.
 105   std::string gl_version;
 106
 107   // The GL_VERSION string.  "" if we are not using OpenGL.
 108   std::string gl_version_string;
 109
 110   // The GL_VENDOR string.  "" if we are not using OpenGL.
 111   std::string gl_vendor;
 112
 113   // The GL_RENDERER string.  "" if we are not using OpenGL.
 114   std::string gl_renderer;
 115
 116   // The GL_EXTENSIONS string.  "" if we are not using OpenGL.
 117   std::string gl_extensions;
 118
 119   // GL window system binding vendor.  "" if not available.
 120   std::string gl_ws_vendor;
 121
 122   // GL window system binding version.  "" if not available.
 123   std::string gl_ws_version;
 124
 125   // GL window system binding extensions.  "" if not available.
 126   std::string gl_ws_extensions;
 127
 128   // GL reset notification strategy as defined by GL_ARB_robustness. 0 if GPU
 129   // reset detection or notification not available.
 130   uint32 gl_reset_notification_strategy;
 131
 132   // The device semantics, i.e. whether the Vista and Windows 7 specific
 133   // semantics are available.
 134   bool can_lose_context;
 135
 136   // By default all values are 0.
 137   GpuPerformanceStats performance_stats;
 138
 139   bool software_rendering;
 140
 141   // Whether the gpu process is running in a sandbox.
 142   bool sandboxed;
 143
 144 #if defined(OS_WIN)
 145   // The information returned by the DirectX Diagnostics Tool.
 146   DxDiagNode dx_diagnostics;
 147 #endif
 148   // Note: when adding new members, please remember to update EnumerateFields
 149   // in gpu_info.cc.
 150
 151   // In conjunction with EnumerateFields, this allows the embedder to
 152   // enumerate the values in this structure without having to embed
 153   // references to its specific member variables. This simplifies the
 154   // addition of new fields to this type.
 155   class Enumerator {
 156    public:
 157     // The following methods apply to the "current" object. Initially this
 158     // is the root object, but calls to BeginGPUDevice/EndGPUDevice and
 159     // BeginAuxAttributes/EndAuxAttributes change the object to which these
 160     // calls should apply.
 161     virtual void AddInt64(const char* name, int64 value) = 0;
 162     virtual void AddInt(const char* name, int value) = 0;
 163     virtual void AddString(const char* name, const std::string& value) = 0;
 164     virtual void AddBool(const char* name, bool value) = 0;
 165     virtual void AddTimeDeltaInSecondsF(const char* name,
 166                                         const base::TimeDelta& value) = 0;
 167
 168     // Markers indicating that a GPUDevice is being described.
 169     virtual void BeginGPUDevice() = 0;
 170     virtual void EndGPUDevice() = 0;
 171
 172     // Markers indicating that "auxiliary" attributes of the GPUInfo
 173     // (according to the DevTools protocol) are being described.
 174     virtual void BeginAuxAttributes() = 0;
 175     virtual void EndAuxAttributes() = 0;
 176
 177    protected:
 178     virtual ~Enumerator() {}
 179   };
 180
 181   // Outputs the fields in this structure to the provided enumerator.
 182   void EnumerateFields(Enumerator* enumerator) const;
 183 };
 184
 185 }  // namespace gpu
 186
 187 #endif  // GPU_CONFIG_GPU_INFO_H_