D3D11_COUNTER 枚举是用于表示在Direct3D 11中用于统计性能计数的计数器的枚举类型。这些计数器允许应用程序收集有关渲染性能和 GPU 使用情况的信息。以下是 D3D11_COUNTER 枚举的定义:
typedef enum D3D11_COUNTER {
  D3D11_COUNTER_DEVICE_DEPENDENT_0       = 0x40000000,
  D3D11_COUNTER_DEVICE_DEPENDENT_1       = 0x40000001,
  D3D11_COUNTER_DEVICE_DEPENDENT_2       = 0x40000002,
  D3D11_COUNTER_DEVICE_DEPENDENT_3       = 0x40000003,
  D3D11_COUNTER_DEVICE_DEPENDENT_4       = 0x40000004,
  D3D11_COUNTER_DEVICE_DEPENDENT_5       = 0x40000005,
  D3D11_COUNTER_DEVICE_DEPENDENT_6       = 0x40000006,
  D3D11_COUNTER_DEVICE_DEPENDENT_7       = 0x40000007,
  D3D11_COUNTER_DEVICE_DEPENDENT_8       = 0x40000008,
  D3D11_COUNTER_DEVICE_DEPENDENT_9       = 0x40000009,
  D3D11_COUNTER_DEVICE_DEPENDENT_10      = 0x4000000A,
  D3D11_COUNTER_DEVICE_DEPENDENT_11      = 0x4000000B,
  D3D11_COUNTER_DEVICE_DEPENDENT_12      = 0x4000000C,
  D3D11_COUNTER_DEVICE_DEPENDENT_13      = 0x4000000D,
  D3D11_COUNTER_DEVICE_DEPENDENT_14      = 0x4000000E,
  D3D11_COUNTER_DEVICE_DEPENDENT_15      = 0x4000000F,
  D3D11_COUNTER_DEVICE_DEPENDENT_16      = 0x40000010,
  D3D11_COUNTER_DEVICE_DEPENDENT_17      = 0x40000011,
  D3D11_COUNTER_DEVICE_DEPENDENT_18      = 0x40000012,
  D3D11_COUNTER_DEVICE_DEPENDENT_19      = 0x40000013,
  D3D11_COUNTER_DEVICE_DEPENDENT_20      = 0x40000014,
  D3D11_COUNTER_DEVICE_DEPENDENT_21      = 0x40000015,
  D3D11_COUNTER_DEVICE_DEPENDENT_22      = 0x40000016,
  D3D11_COUNTER_DEVICE_DEPENDENT_23      = 0x40000017,
  D3D11_COUNTER_DEVICE_DEPENDENT_24      = 0x40000018,
  D3D11_COUNTER_DEVICE_DEPENDENT_25      = 0x40000019,
  D3D11_COUNTER_DEVICE_DEPENDENT_26      = 0x4000001A,
  D3D11_COUNTER_DEVICE_DEPENDENT_27      = 0x4000001B,
  D3D11_COUNTER_DEVICE_DEPENDENT_28      = 0x4000001C,
  D3D11_COUNTER_DEVICE_DEPENDENT_29      = 0x4000001D,
  D3D11_COUNTER_DEVICE_DEPENDENT_30      = 0x4000001E,
  D3D11_COUNTER_DEVICE_DEPENDENT_31      = 0x4000001F,
  D3D11_COUNTER_DEVICE_DEPENDENT_32      = 0x40000020,
  D3D11_COUNTER_DEVICE_DEPENDENT_33      = 0x40000021,
  D3D11_COUNTER_DEVICE_DEPENDENT_34      = 0x40000022,
  D3D11_COUNTER_DEVICE_DEPENDENT_35      = 0x40000023,
  D3D11_COUNTER_DEVICE_DEPENDENT_36      = 0x40000024,
  D3D11_COUNTER_DEVICE_DEPENDENT_37      = 0x40000025,
  D3D11_COUNTER_DEVICE_DEPENDENT_38      = 0x40000026,
  D3D11_COUNTER_DEVICE_DEPENDENT_39      = 0x40000027,
  D3D11_COUNTER_PRIVATE_DRIVER_DATA_0    = 0x40000040,
  D3D11_COUNTER_PRIVATE_DRIVER_DATA_1    = 0x40000041,
  D3D11_COUNTER_PRIVATE_DRIVER_DATA_2    = 0x40000042,
  D3D11_COUNTER_PRIVATE_DRIVER_DATA_3    = 0x40000043,
} D3D11_COUNTER;

这个枚举包括用于获取设备相关计数器(D3D11_COUNTER_DEVICE_DEPENDENT_*)和私有驱动程序数据计数器(D3D11_COUNTER_PRIVATE_DRIVER_DATA_*)。这些计数器通常用于性能分析和调试,以便开发人员能够监测 GPU 的使用情况并进行性能优化。根据具体需要,您可以选择使用适当的计数器来收集相关信息。


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