text: /*
   * Copyright 2011-2022 Branimir Karadzic. All rights reserved.
   * License: https://github.com/bkaradzic/bgfx/blob/master/LICENSE
   */
  
  #ifndef BGFX_NVAPI_H_HEADER_GUARD
  #define BGFX_NVAPI_H_HEADER_GUARD
  
  struct ID3D11Device;
  struct ID3D11DeviceContext;
  struct ID3D11Buffer;
  struct ID3D12Device;
  struct ID3D12CommandList;
  
  namespace bgfx
  {
  	struct NvPhysicalGpuHandle;
  	struct NvAftermathContextHandle;
  
  	struct NvAftermathDeviceStatus
  	{
  		enum Enum
  		{
  			Active,
  			Timeout,
  			OutOfMemory,
  			PageFault,
  			Unknown,
  			NotInitialized
  		};
  	};
  
  	typedef void (*PFN_NVAPI_MULTIDRAWINDIRECT)(ID3D11DeviceContext* _deviceCtx, uint32_t _numDrawIndirect, ID3D11Buffer* _ptr, uint32_t _offset, uint32_t _stride);
  
  	///
  	struct NvApi
  	{
  		///
  		NvApi();
  
  		///
  		void init();
  
  		///
  		void shutdown();
  
  		///
  		bool isInitialized() const { return NULL != m_nvGpu; }
  
  		///
  		void getMemoryInfo(int64_t& _gpuMemoryUsed, int64_t& _gpuMemoryMax);
  
  		///
  		bool loadAftermath();
  
  		///
  		bool initAftermath(const ID3D11Device* _device, const ID3D11DeviceContext* _deviceCtx);
  
  		///
  		bool initAftermath(const ID3D12Device* _device, const ID3D12CommandList* _commandList);
  
  		///
  		NvAftermathDeviceStatus::Enum getDeviceStatus() const;
  
  		///
  		void shutdownAftermath();
  
  		///
  		void setMarker(const bx::StringView& _marker);
  
  		///
  		void* m_nvApiDll;
  		NvPhysicalGpuHandle* m_nvGpu;
  
  		void* m_nvAftermathDll;
  		NvAftermathContextHandle* m_aftermathHandle;
  
  		PFN_NVAPI_MULTIDRAWINDIRECT nvApiD3D11MultiDrawInstancedIndirect;
  		PFN_NVAPI_MULTIDRAWINDIRECT nvApiD3D11MultiDrawIndexedInstancedIndirect;
  	};
  
  } // namespace bgfx
  
  #endif // BGFX_NVAPI_H_HEADER_GUARD
  