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Add AGS lib to D3D11 for efficient UAV writes overlaps on AMD GPUs

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This commit is contained in:
Wojtek Figat
2025-08-10 17:16:36 +02:00
parent bc0e1f81e7
commit d109e5ca9f
4 changed files with 61 additions and 2 deletions
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44
Source/Engine/GraphicsDevice/DirectX/DX11/GPUDeviceDX11.cpp
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@@ -24,6 +24,10 @@
#include <ThirdParty/nvapi/nvapi.h>
bool EnableNvapi = false;
#endif
#if COMPILE_WITH_AGS
#include <ThirdParty/AGS/amd_ags.h>
AGSContext* AgsContext = nullptr;
#endif
#if !USE_EDITOR && PLATFORM_WINDOWS
#include "Engine/Core/Config/PlatformSettings.h"
#endif
@@ -436,7 +440,7 @@ bool GPUDeviceDX11::Init()
NvAPI_ShortString buildBranch("");
if (NvAPI_SYS_GetDriverAndBranchVersion(&driverVersion, buildBranch) == NVAPI_OK)
{
LOG(Info, "NvApi driver version: {}, {}", driverVersion, StringAsUTF16<>(buildBranch).Get());
LOG(Info, "NvApi driver version: {}, {}", driverVersion, TO_UTF16(buildBranch));
}
}
else
@@ -447,6 +451,44 @@ bool GPUDeviceDX11::Init()
}
}
#endif
#if COMPILE_WITH_AGS
if (_adapter->IsAMD())
{
AGSGPUInfo gpuInfo = {};
AGSConfiguration config = {};
AGSReturnCode returnCode = agsInitialize(AGS_CURRENT_VERSION, &config, &AgsContext, &gpuInfo);
if (returnCode == AGS_SUCCESS)
{
LOG(Info, "AMD driver version: {}, Radeon Software Version {}", TO_UTF16(gpuInfo.driverVersion), TO_UTF16(gpuInfo.radeonSoftwareVersion));
for (int32 i = 0; i < gpuInfo.numDevices; i++)
{
AGSDeviceInfo& deviceInfo = gpuInfo.devices[i];
const Char* asicFamily[] =
{
TEXT("Unknown"),
TEXT("Pre GCN"),
TEXT("GCN Gen1"),
TEXT("GCN Gen2"),
TEXT("GCN Gen3"),
TEXT("GCN Gen4"),
TEXT("Vega"),
TEXT("RDNA"),
TEXT("RDNA2"),
TEXT("RDNA3"),
TEXT("RDNA4"),
};
LOG(Info, " > GPU {}: {} ({})", i, TO_UTF16(deviceInfo.adapterString), asicFamily[deviceInfo.asicFamily <= AGSAsicFamily_RDNA4 ? deviceInfo.asicFamily : 0]);
LOG(Info, " CUs: {}, WGPs: {}, ROPs: {}", deviceInfo.numCUs, deviceInfo.numWGPs, deviceInfo.numROPs);
LOG(Info, " Core clock: {} MHz, Memory clock: {} MHz, {:.2f} Tflops", deviceInfo.coreClock, deviceInfo.memoryClock, deviceInfo.teraFlops);
LOG(Info, " Local memory: {} MB ({:.2f} GB/s), Shared memory: {} MB", (int32)(deviceInfo.localMemoryInBytes / (1024ull * 1024ull)), (float)deviceInfo.memoryBandwidth / 1024.0f, (int32)(deviceInfo.sharedMemoryInBytes / (1024ull * 1024ull)));
}
}
else
{
LOG(Warning, "agsInitialize failed with result {} ({})", (int32)returnCode);
}
}
#endif
// Get DXGI adapter
ComPtr<IDXGIAdapter> adapter;