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/*
* Copyright 2011-2019 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "bgfx_p.h"
#include "nvapi.h"
namespace bgfx
{
/*
* NVAPI
*
* Reference(s):
* - https://web.archive.org/web/20181126035649/https://docs.nvidia.com/gameworks/content/gameworkslibrary/coresdk/nvapi/index.html
* - https://web.archive.org/web/20181126035710/https://github.com/jNizM/AHK_NVIDIA_NvAPI/blob/master/info/NvAPI_IDs.txt
*/
struct NvPhysicalGpuHandle;
#define NVAPI_MAX_PHYSICAL_GPUS 64
#if BX_PLATFORM_WINDOWS
# define NVAPICALL __cdecl
#else
# define NVAPICALL
#endif // BX_PLATFORM_WINDOWS
enum NvApiStatus
{
NVAPI_OK = 0,
NVAPI_ERROR = -1,
};
struct NvMemoryInfoV2
{
NvMemoryInfoV2()
: version(sizeof(NvMemoryInfoV2) | (2 << 16) )
{
}
uint32_t version;
uint32_t dedicatedVideoMemory;
uint32_t availableDedicatedVideoMemory;
uint32_t systemVideoMemory;
uint32_t sharedSystemMemory;
uint32_t curAvailableDedicatedVideoMemory;
};
typedef void* (NVAPICALL* PFN_NVAPI_QUERYINTERFACE)(uint32_t _functionOffset);
typedef NvApiStatus (NVAPICALL* PFN_NVAPI_INITIALIZE)();
typedef NvApiStatus (NVAPICALL* PFN_NVAPI_UNLOAD)();
typedef NvApiStatus (NVAPICALL* PFN_NVAPI_ENUMPHYSICALGPUS)(NvPhysicalGpuHandle* _handle[NVAPI_MAX_PHYSICAL_GPUS], uint32_t* _gpuCount);
typedef NvApiStatus (NVAPICALL* PFN_NVAPI_GPUGETMEMORYINFO)(NvPhysicalGpuHandle* _handle, NvMemoryInfoV2* _memoryInfo);
typedef NvApiStatus (NVAPICALL* PFN_NVAPI_GPUGETFULLNAME)(NvPhysicalGpuHandle* _physicalGpu, char _name[64]);
#define NVAPI_INITIALIZE UINT32_C(0x0150e828)
#define NVAPI_UNLOAD UINT32_C(0xd22bdd7e)
#define NVAPI_ENUMPHYSICALGPUS UINT32_C(0xe5ac921f)
#define NVAPI_GPUGETMEMORYINFO UINT32_C(0x07f9b368)
#define NVAPI_GPUGETFULLNAME UINT32_C(0xceee8e9f)
#define NVAPI_MULTIDRAWINSTANCEDINDIRECT UINT32_C(0xd4e26bbf)
#define NVAPI_MULTIDRAWINDEXEDINSTANCEDINDIRECT UINT32_C(0x59e890f9)
static PFN_NVAPI_QUERYINTERFACE nvApiQueryInterface;
static PFN_NVAPI_INITIALIZE nvApiInitialize;
static PFN_NVAPI_UNLOAD nvApiUnload;
static PFN_NVAPI_ENUMPHYSICALGPUS nvApiEnumPhysicalGPUs;
static PFN_NVAPI_GPUGETMEMORYINFO nvApiGpuGetMemoryInfo;
static PFN_NVAPI_GPUGETFULLNAME nvApiGpuGetFullName;
/*
* NVIDIA Aftermath
*
* Reference(s):
* - https://web.archive.org/web/20181126035743/https://developer.nvidia.com/nvidia-aftermath
*/
typedef int32_t (*PFN_NVAFTERMATH_DX11_INITIALIZE)(int32_t _version, int32_t _flags, const ID3D11Device* _device);
typedef int32_t (*PFN_NVAFTERMATH_DX11_CREATECONTEXTHANDLE)(const ID3D11DeviceContext* _deviceCtx, NvAftermathContextHandle** _outContextHandle);
typedef int32_t (*PFN_NVAFTERMATH_DX12_INITIALIZE)(int32_t _version, int32_t _flags, const ID3D12Device* _device);
typedef int32_t (*PFN_NVAFTERMATH_DX12_CREATECONTEXTHANDLE)(const ID3D12CommandList* _commandList, NvAftermathContextHandle** _outContextHandle);
typedef int32_t (*PFN_NVAFTERMATH_RELEASECONTEXTHANDLE)(const NvAftermathContextHandle* _contextHandle);
typedef int32_t (*PFN_NVAFTERMATH_SETEVENTMARKER)(const NvAftermathContextHandle* _contextHandle, const void* _markerData, uint32_t _markerSize);
typedef int32_t (*PFN_NVAFTERMATH_GETDATA)(uint32_t _numContexts, const NvAftermathContextHandle** _contextHandles, void* _outContextData);
typedef int32_t (*PFN_NVAFTERMATH_GETDEVICESTATUS)(void* _outStatus);
typedef int32_t (*PFN_NVAFTERMATH_GETPAGEFAULTINFORMATION)(void* _outPageFaultInformation);
static PFN_NVAFTERMATH_DX11_INITIALIZE nvAftermathDx11Initialize;
static PFN_NVAFTERMATH_DX11_CREATECONTEXTHANDLE nvAftermathDx11CreateContextHandle;
static PFN_NVAFTERMATH_DX12_INITIALIZE nvAftermathDx12Initialize;
static PFN_NVAFTERMATH_DX12_CREATECONTEXTHANDLE nvAftermathDx12CreateContextHandle;
static PFN_NVAFTERMATH_RELEASECONTEXTHANDLE nvAftermathReleaseContextHandle;
static PFN_NVAFTERMATH_SETEVENTMARKER nvAftermathSetEventMarker;
static PFN_NVAFTERMATH_GETDATA nvAftermathGetData;
static PFN_NVAFTERMATH_GETDEVICESTATUS nvAftermathGetDeviceStatus;
static PFN_NVAFTERMATH_GETPAGEFAULTINFORMATION nvAftermathGetPageFaultInformation;
NvApi::NvApi()
: m_nvApiDll(NULL)
, m_nvGpu(NULL)
, m_nvAftermathDll(NULL)
, m_aftermathHandle(NULL)
{
}
void NvApi::init()
{
m_nvGpu = NULL;
m_nvApiDll = bx::dlopen(
"nvapi"
#if BX_ARCH_64BIT
"64"
#endif // BX_ARCH_32BIT
".dll"
);
if (NULL != m_nvApiDll)
{
nvApiQueryInterface = (PFN_NVAPI_QUERYINTERFACE)bx::dlsym(m_nvApiDll, "nvapi_QueryInterface");
bool initialized = NULL != nvApiQueryInterface;
if (initialized)
{
nvApiInitialize = (PFN_NVAPI_INITIALIZE )nvApiQueryInterface(NVAPI_INITIALIZE);
nvApiUnload = (PFN_NVAPI_UNLOAD )nvApiQueryInterface(NVAPI_UNLOAD);
nvApiEnumPhysicalGPUs = (PFN_NVAPI_ENUMPHYSICALGPUS)nvApiQueryInterface(NVAPI_ENUMPHYSICALGPUS);
nvApiGpuGetMemoryInfo = (PFN_NVAPI_GPUGETMEMORYINFO)nvApiQueryInterface(NVAPI_GPUGETMEMORYINFO);
nvApiGpuGetFullName = (PFN_NVAPI_GPUGETFULLNAME )nvApiQueryInterface(NVAPI_GPUGETFULLNAME);
nvApiD3D11MultiDrawInstancedIndirect = (PFN_NVAPI_MULTIDRAWINDIRECT)nvApiQueryInterface(NVAPI_MULTIDRAWINSTANCEDINDIRECT);
nvApiD3D11MultiDrawIndexedInstancedIndirect = (PFN_NVAPI_MULTIDRAWINDIRECT)nvApiQueryInterface(NVAPI_MULTIDRAWINDEXEDINSTANCEDINDIRECT);
initialized = true
&& NULL != nvApiInitialize
&& NULL != nvApiUnload
&& NULL != nvApiEnumPhysicalGPUs
&& NULL != nvApiGpuGetMemoryInfo
&& NULL != nvApiGpuGetFullName
&& NVAPI_OK == nvApiInitialize()
;
if (initialized)
{
NvPhysicalGpuHandle* physicalGpus[NVAPI_MAX_PHYSICAL_GPUS];
uint32_t numGpus = 0;
nvApiEnumPhysicalGPUs(physicalGpus, &numGpus);
initialized = 0 < numGpus;
if (initialized)
{
m_nvGpu = physicalGpus[0];
initialized = NULL != m_nvGpu;
if (initialized)
{
char name[64];
nvApiGpuGetFullName(m_nvGpu, name);
BX_TRACE("%s", name);
}
else
{
nvApiUnload();
}
}
}
}
if (!initialized)
{
bx::dlclose(m_nvApiDll);
m_nvApiDll = NULL;
}
BX_WARN(!initialized, "NVAPI supported.");
}
}
void NvApi::shutdown()
{
if (NULL != m_nvGpu)
{
nvApiUnload();
m_nvGpu = NULL;
}
if (NULL != m_nvApiDll)
{
bx::dlclose(m_nvApiDll);
m_nvApiDll = NULL;
}
shutdownAftermath();
}
void NvApi::getMemoryInfo(int64_t& _gpuMemoryUsed, int64_t& _gpuMemoryMax)
{
if (NULL != m_nvGpu)
{
NvMemoryInfoV2 memInfo;
NvApiStatus status = nvApiGpuGetMemoryInfo(m_nvGpu, &memInfo);
if (NVAPI_OK == status)
{
_gpuMemoryMax = 1024 * int64_t(memInfo.availableDedicatedVideoMemory);
_gpuMemoryUsed = 1024 * int64_t(memInfo.availableDedicatedVideoMemory - memInfo.curAvailableDedicatedVideoMemory);
// BX_TRACE(" dedicatedVideoMemory: %d KiB", memInfo.dedicatedVideoMemory);
// BX_TRACE(" availableDedicatedVideoMemory: %d KiB", memInfo.availableDedicatedVideoMemory);
// BX_TRACE(" systemVideoMemory: %d KiB", memInfo.systemVideoMemory);
// BX_TRACE(" sharedSystemMemory: %d KiB", memInfo.sharedSystemMemory);
// BX_TRACE("curAvailableDedicatedVideoMemory: %d KiB", memInfo.curAvailableDedicatedVideoMemory);
}
}
else
{
_gpuMemoryMax = -INT64_MAX;
_gpuMemoryUsed = -INT64_MAX;
}
}
bool NvApi::loadAftermath()
{
m_nvAftermathDll = bx::dlopen(
"GFSDK_Aftermath_Lib."
#if BX_ARCH_32BIT
"x86"
#else
"x64"
#endif // BX_ARCH_32BIT
".dll"
);
if (NULL != m_nvAftermathDll)
{
nvAftermathDx11Initialize = (PFN_NVAFTERMATH_DX11_INITIALIZE )bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_DX11_Initialize");
nvAftermathDx11CreateContextHandle = (PFN_NVAFTERMATH_DX11_CREATECONTEXTHANDLE)bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_DX11_CreateContextHandle");
nvAftermathDx12Initialize = (PFN_NVAFTERMATH_DX12_INITIALIZE )bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_DX12_Initialize");
nvAftermathDx12CreateContextHandle = (PFN_NVAFTERMATH_DX12_CREATECONTEXTHANDLE)bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_DX12_CreateContextHandle");
nvAftermathReleaseContextHandle = (PFN_NVAFTERMATH_RELEASECONTEXTHANDLE )bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_ReleaseContextHandle");
nvAftermathSetEventMarker = (PFN_NVAFTERMATH_SETEVENTMARKER )bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_SetEventMarker");
nvAftermathGetData = (PFN_NVAFTERMATH_GETDATA )bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_GetData");
nvAftermathGetDeviceStatus = (PFN_NVAFTERMATH_GETDEVICESTATUS )bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_GetDeviceStatus");
nvAftermathGetPageFaultInformation = (PFN_NVAFTERMATH_GETPAGEFAULTINFORMATION )bx::dlsym(m_nvAftermathDll, "GFSDK_Aftermath_GetPageFaultInformation");
bool initialized = true
&& NULL != nvAftermathDx11Initialize
&& NULL != nvAftermathDx11CreateContextHandle
&& NULL != nvAftermathDx12Initialize
&& NULL != nvAftermathDx12CreateContextHandle
&& NULL != nvAftermathReleaseContextHandle
&& NULL != nvAftermathSetEventMarker
&& NULL != nvAftermathGetData
&& NULL != nvAftermathGetDeviceStatus
&& NULL != nvAftermathGetPageFaultInformation
;
if (initialized)
{
return true;
}
shutdownAftermath();
}
return false;
}
bool NvApi::initAftermath(const ID3D11Device* _device, const ID3D11DeviceContext* _deviceCtx)
{
if (loadAftermath() )
{
int32_t result;
result = nvAftermathDx11Initialize(0x13, 1, _device);
if (1 == result)
{
result = nvAftermathDx11CreateContextHandle(_deviceCtx, &m_aftermathHandle);
BX_WARN(1 == result, "NV Aftermath: nvAftermathDx12CreateContextHandle failed %x", result);
if (1 == result)
{
return true;
}
}
else
{
switch (result)
{
case int32_t(0xbad0000a): BX_TRACE("NV Aftermath: Debug layer not compatible with Aftermath."); break;
default: BX_TRACE("NV Aftermath: Failed to initialize."); break;
}
}
shutdownAftermath();
}
return false;
}
bool NvApi::initAftermath(const ID3D12Device* _device, const ID3D12CommandList* _commandList)
{
if (loadAftermath() )
{
int32_t result;
result = nvAftermathDx12Initialize(0x13, 1, _device);
if (1 == result)
{
result = nvAftermathDx12CreateContextHandle(_commandList, &m_aftermathHandle);
BX_WARN(1 == result, "NV Aftermath: nvAftermathDx12CreateContextHandle failed %x", result);
if (1 == result)
{
return true;
}
}
else
{
switch (result)
{
case int32_t(0xbad0000a): BX_TRACE("NV Aftermath: Debug layer not compatible with Aftermath."); break;
default: BX_TRACE("NV Aftermath: Failed to initialize."); break;
}
}
shutdownAftermath();
}
return false;
}
NvAftermathDeviceStatus::Enum NvApi::getDeviceStatus() const
{
if (NULL != m_aftermathHandle)
{
int32_t status;
nvAftermathGetDeviceStatus(&status);
return NvAftermathDeviceStatus::Enum(status);
}
return NvAftermathDeviceStatus::NotInitialized;
}
void NvApi::shutdownAftermath()
{
if (NULL != m_nvAftermathDll)
{
if (NULL != m_aftermathHandle)
{
nvAftermathReleaseContextHandle(m_aftermathHandle);
m_aftermathHandle = NULL;
}
bx::dlclose(m_nvAftermathDll);
m_nvAftermathDll = NULL;
}
}
#define NVA_CHECK(_call) \
BX_MACRO_BLOCK_BEGIN \
int32_t __result__ = _call; \
BX_CHECK(1 == __result__, #_call " FAILED 0x%08x\n", __result__); \
BX_UNUSED(__result__); \
BX_MACRO_BLOCK_END
void NvApi::setMarker(const bx::StringView& _marker)
{
if (NULL != m_aftermathHandle)
{
NVA_CHECK(nvAftermathSetEventMarker(m_aftermathHandle, _marker.getPtr(), _marker.getLength() ) );
}
}
} // namespace bgfx
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