foreman
155 строки
4.1 KiB
C++
155 строки
4.1 KiB
C++
#include "gsl_ctx.h"
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#include "GSLDevice.h"
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#if defined(ATI_OS_WIN)
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#include <D3D11.h>
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/**************************************************************************************************************
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* Note: ideally the DXX extension interfaces should be mapped from the DXX perforce branch.
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* This means CAL client spec will need to change to include headers directly from the DXX perforce tree.
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* However, CAL only cares about the DXX OpenCL extension interface class. The spec cannot change
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* without notification. So it is safe to use a local copy of the relevant DXX extension interface classes.
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**************************************************************************************************************/
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#include "DxxOpenCLInteropExt.h"
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static bool
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queryD3D11DeviceGPUMask(ID3D11Device* pd3d11Device, UINT* pd3d11DeviceGPUMask)
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{
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HMODULE hDLL = NULL;
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IAmdDxExt* pExt = NULL;
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IAmdDxExtCLInterop* pCLExt = NULL;
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PFNAmdDxExtCreate11 AmdDxExtCreate11;
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HRESULT hr = S_OK;
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// Get a handle to the DXX DLL with extension API support
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#if defined _WIN64
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static const CHAR dxxModuleName[13] = "atidxx64.dll";
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#else
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static const CHAR dxxModuleName[13] = "atidxx32.dll";
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#endif
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hDLL = GetModuleHandle(dxxModuleName);
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if (hDLL == NULL)
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{
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hr = E_FAIL;
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}
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// Get the exported AmdDxExtCreate() function pointer
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if (SUCCEEDED(hr))
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{
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AmdDxExtCreate11 = reinterpret_cast<PFNAmdDxExtCreate11>(GetProcAddress(hDLL, "AmdDxExtCreate11"));
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if (AmdDxExtCreate11 == NULL)
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{
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hr = E_FAIL;
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}
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}
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// Create the extension object
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if (SUCCEEDED(hr))
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{
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hr = AmdDxExtCreate11(pd3d11Device, &pExt);
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}
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// Get the extension version information
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if (SUCCEEDED(hr))
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{
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AmdDxExtVersion extVersion;
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hr = pExt->GetVersion(&extVersion);
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if (extVersion.majorVersion == 0)
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{
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hr = E_FAIL;
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}
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}
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// Get the OpenCL Interop interface
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if (SUCCEEDED(hr))
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{
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pCLExt = static_cast<IAmdDxExtCLInterop*>(pExt->GetExtInterface(AmdDxExtCLInteropID));
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if (pCLExt != NULL)
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{
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// Get the GPU mask using the CL Interop extension.
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pCLExt->QueryInteropGpuMask(pd3d11DeviceGPUMask);
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}
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else
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{
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hr = E_FAIL;
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}
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}
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if (pCLExt != NULL)
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{
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pCLExt->Release();
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}
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if (pExt != NULL)
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{
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pExt->Release();
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}
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return (SUCCEEDED(hr));
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}
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bool
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CALGSLDevice::associateD3D11Device(void* d3d11Device)
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{
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bool canInteroperate = false;
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LUID calDevAdapterLuid = {0, 0};
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UINT calDevChainBitMask = 0;
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UINT d3d11DeviceGPUMask = 0;
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ID3D11Device* pd3d11Device = static_cast<ID3D11Device*>(d3d11Device);
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IDXGIDevice* pDXGIDevice;
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pd3d11Device->QueryInterface(__uuidof(IDXGIDevice), (void **)&pDXGIDevice);
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IDXGIAdapter* pDXGIAdapter;
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pDXGIDevice->GetAdapter(&pDXGIAdapter);
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DXGI_ADAPTER_DESC adapterDesc;
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pDXGIAdapter->GetDesc(&adapterDesc);
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// match the adapter
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if (m_adp->getMVPUinfo(&calDevAdapterLuid, &calDevChainBitMask))
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{
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canInteroperate = ((calDevAdapterLuid.HighPart == adapterDesc.AdapterLuid.HighPart) &&
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(calDevAdapterLuid.LowPart == adapterDesc.AdapterLuid.LowPart));
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}
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// match the chain ID
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if (canInteroperate)
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{
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if (queryD3D11DeviceGPUMask(pd3d11Device, &d3d11DeviceGPUMask))
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{
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canInteroperate = (calDevChainBitMask & d3d11DeviceGPUMask) != 0;
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}
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else
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{
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// special handling for Intel iGPU + AMD dGPU in LDA mode (only occurs on a PX platform) where
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// the D3D11Device object is created on the Intel iGPU and passed to AMD dGPU (secondary) to interoperate.
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if (calDevChainBitMask > 1)
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{
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canInteroperate = false;
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}
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}
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}
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pDXGIDevice->Release();
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pDXGIAdapter->Release();
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return canInteroperate;
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}
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#else // !ATI_OS_WIN
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bool
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CALGSLDevice::associateD3D11Device(void* d3d11Device)
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{
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return false;
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}
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#endif // !ATI_OS_WIN
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