Benchmarks - Add support for DirectX GPU platform (#536)

**Description**
Add support for DirectX GPU platform.

**Major Revision**
- Add DirectX platform for benchmark registry
- Add gpu_vendor identify for AMD and NVIDIA with win driver

superbench/benchmarks/context.py

@@ -24,6 +24,7 @@ class Platform(Enum):
     CPU = 'CPU'
     CUDA = 'CUDA'
     ROCM = 'ROCm'
+    DIRECTX = 'DirectX'
 
 
 class Framework(Enum):

superbench/common/devices/gpu.py

@@ -29,6 +29,10 @@ def get_vendor(self):
             if not list(Path('/dev/dri').glob('card*')):
                 logger.warning('Cannot find AMD GPU device.')
             return 'amd'
+        if list(Path(r'C:\Windows\System32').glob('*DriverStore/FileRepository/nv*.inf_amd64_*/nvapi64.dll')):
+            return 'nvidia-graphics'
+        if list(Path(r'C:\Windows\System32').glob('*DriverStore/FileRepository/u*.inf_amd64_*/*/aticfx64.dll')):
+            return 'amd-graphics'
         return None
 
     @property

superbench/executor/executor.py

@@ -87,6 +87,8 @@ def __get_platform(self):
                 return Platform.CUDA
             elif gpu.vendor == 'amd':
                 return Platform.ROCM
+            elif gpu.vendor == 'amd-graphics' or gpu.vendor == 'nvidia-graphics':
+                return Platform.DIRECTX
         except Exception as e:
             logger.error(e)
         return Platform.CPU