obs-StreamFX/source/nvidia/cuda/nvidia-cuda.hpp

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2020 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
#include <cstddef>
#include <functional>
#include <memory>
#ifdef WIN32
#pragma warning(push)
#pragma warning(disable : 4365)
#pragma warning(disable : 5204)
#include <d3d11.h>
#include <dxgi.h>
#pragma warning(pop)
#endif
#define CUDA_DEFINE_FUNCTION(name, ...) \
private: \
typedef ::nvidia::cuda::cu_result (*t##name)(__VA_ARGS__); \
\
public: \
t##name name;
namespace nvidia::cuda {
enum class cu_result : std::size_t {
SUCCESS = 0,
INVALID_VALUE = 1,
OUT_OF_MEMORY = 2,
NOT_INITIALIZED = 3,
DEINITIALIZED = 4,
NO_DEVICE = 100,
INVALID_DEVICE = 101,
INVALID_CONTEXT = 201,
MAP_FAILED = 205,
UNMAP_FAILED = 206,
ARRAY_IS_MAPPED = 207,
ALREADY_MAPPED = 208,
NOT_MAPPED = 211,
INVALID_GRAPHICS_CONTEXT = 219,
// Still missing some.
};
enum class cu_memory_type : std::uint32_t {
HOST = 1,
DEVICE = 2,
ARRAY = 3,
UNIFIED = 4,
};
enum class cu_array_format : std::uint32_t {
UNSIGNED_INT8 = 0b00000001,
UNSIGNED_INT16 = 0b00000010,
UNSIGNED_INT32 = 0b00000011,
SIGNED_INT8 = 0b00001000,
SIGNED_INT16 = 0b00001001,
SIGNED_INT32 = 0b00001010,
HALF = 0b00010000,
FLOAT = 0b00100000,
};
typedef void* cu_array_t;
typedef void* cu_context_t;
typedef std::uint64_t cu_device_ptr_t;
typedef void* cu_graphics_resource_t;
typedef void* cu_stream_t;
struct cu_memcpy2d_t {
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std::size_t src_x_in_bytes;
std::size_t src_y;
cu_memory_type src_memory_type;
const void* src_host;
cu_device_ptr_t src_device;
cu_array_t src_array;
std::size_t src_pitch;
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std::size_t dst_x_in_bytes;
std::size_t dst_y;
cu_memory_type dst_memory_type;
const void* dst_host;
cu_device_ptr_t dst_device;
cu_array_t dst_array;
std::size_t dst_pitch;
std::size_t width_in_bytes;
std::size_t height;
};
struct cu_array_descriptor_t {
std::size_t width;
std::size_t height;
std::uint32_t num_channels;
cu_array_format format;
};
class cuda {
private:
void* _library;
public:
cuda();
~cuda();
public:
// Initialization
CUDA_DEFINE_FUNCTION(cuInit, std::int32_t flags);
// Version Management
CUDA_DEFINE_FUNCTION(cuDriverGetVersion, std::int32_t* driverVersion);
// Device Management
// cuDeviceGet
// cuDeviceGetAttribute
// cuDeviceGetCount
// cuDeviceGetLuid
// cuDeviceGetName
// cuDeviceGetNvSciSyncAttributes
// cuDeviceGetUuid
// cuDeviceTotalMem_v2
// Primary Context Management
// cuDevicePrimaryCtxGetState
CUDA_DEFINE_FUNCTION(cuDevicePrimaryCtxRelease, std::int32_t device);
// cuDevicePrimaryCtxReset_v2
CUDA_DEFINE_FUNCTION(cuDevicePrimaryCtxRetain, cu_context_t* ctx, std::int32_t device);
// cuDevicePrimaryCtxSetFlags_v2
// Context Management
// cuCtxCreate_v2
CUDA_DEFINE_FUNCTION(cuCtxDestroy, cu_context_t ctx);
// cuCtxGetApiVersion
// cuCtxGetCacheConfig
CUDA_DEFINE_FUNCTION(cuCtxGetCurrent, cu_context_t* ctx);
// cuCtxGetDevice
// cuCtxGetFlags
// cuCtxGetLimit
// cuCtxGetSharedMemConfig
// cuCtxGetStreamPriorityRange
CUDA_DEFINE_FUNCTION(cuCtxPopCurrent, cu_context_t* ctx);
CUDA_DEFINE_FUNCTION(cuCtxPushCurrent, cu_context_t ctx);
// cuCtxSetCacheConfig
CUDA_DEFINE_FUNCTION(cuCtxSetCurrent, cu_context_t ctx);
// cuCtxSetLimit
// cuCtxSetSharedMemConfig
// cuCtxSynchronize
// UNDOCUMENTED? cuCtxResetPersistingL2Cache
// Module Management
// cuLinkAddData
// cuLinkAddFile
// cuLinkComplete
// cuLinkCreate
// cuLinkDestroy
// cuModuleGetFunction
// cuModuleGetGlobal
// cuModuleGetSurfRef
// cuModuleGetTexRef
// cuModuleLoad
// cuModuleLoadData
// cuModuleLoadDataEx
// cuModuleLoadFatBinary
// cuModuleUnload
// Memory Management
// cuArray3DCreate_v2
// cuArray3DGetDescripter_v2
// cuArrayCreate_v2
// cuArrayDestroy
CUDA_DEFINE_FUNCTION(cuArrayGetDescriptor, cu_array_descriptor_t* pArrayDescripter, cu_array_t array);
// cuArrayGetDescriptor_v2
// cuDeviceGetByPCIBusId
// cuDeviceGetPCIBusId
// cuIpcCloseMemHandle
// cuIpcGetEventHandle
// cuIpcGetMemHandle
// cuIpcOpenEventHandle
// cuIpcOpenMemHandle
CUDA_DEFINE_FUNCTION(cuMemAlloc, cu_device_ptr_t* ptr, std::size_t bytes);
// cuMemAllocHost_v2
// cuMemAllocManaged
CUDA_DEFINE_FUNCTION(cuMemAllocPitch, cu_device_ptr_t* ptr, std::size_t* pitch, std::size_t width_in_bytes,
std::size_t height, std::uint32_t element_size_bytes);
CUDA_DEFINE_FUNCTION(cuMemFree, cu_device_ptr_t ptr);
// cuMemFreeHost
// cuMemGetAddressRange_v2
// cuMemGetInfo_v2
// cuMemHostAlloc
CUDA_DEFINE_FUNCTION(cuMemHostGetDevicePointer, cu_device_ptr_t* devptr, void* ptr, std::uint32_t flags);
// cuMemHostGetFlags
// cuMemHostRegister_v2
// cuMemHostUnregister
CUDA_DEFINE_FUNCTION(cuMemcpy, cu_device_ptr_t dst, cu_device_ptr_t src, std::size_t bytes);
CUDA_DEFINE_FUNCTION(cuMemcpy2D, const cu_memcpy2d_t* copy);
CUDA_DEFINE_FUNCTION(cuMemcpy2DAsync, const cu_memcpy2d_t* copy, cu_stream_t stream);
// cuMemcpy2DUnaligned_v2 / _v2_ptds
// cuMemcpy3D_v2 / _v2_ptds
// cuMemcpy3DAsync_v2 / _v2_ptsz
// cuMemcpy3DPeer / _ptds
// cuMemcpy3DPeerAsync_v2 / _v2_ptsz
// cuMemcpyAsync / _ptsz
CUDA_DEFINE_FUNCTION(cuMemcpyAtoA, cu_array_t dst, std::size_t dstOffset, cu_array_t src, std::size_t srcOffset,
std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyAtoD, cu_device_ptr_t dst, cu_array_t src, std::size_t srcOffset,
std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyAtoH, void* dst, cu_array_t src, std::size_t srcOffset, std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyAtoHAsync, void* dst, cu_array_t src, std::size_t srcOffset,
std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyDtoA, cu_array_t dst, std::size_t dstOffset, cu_device_ptr_t src,
std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyDtoD, cu_device_ptr_t dst, cu_array_t srcArray, std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyDtoH, void* dst, cu_array_t src, std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyDtoHAsync, void* dst, cu_array_t src, std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyHtoA, cu_array_t dst, std::size_t dstOffset, void* src, std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyHtoAAsync, cu_array_t dst, std::size_t dstOffset, void* src,
std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyHtoD, cu_device_ptr_t dst, void* src, std::size_t byteCount);
CUDA_DEFINE_FUNCTION(cuMemcpyHtoDAsync, cu_device_ptr_t dst, void* src, std::size_t byteCount);
// cuMemcpyPeer / _ptds
// cuMemcpyPeerAsync / _ptsz
// cuMemsetD16
// cuMemsetD16Async
// cuMemsetD2D16
// cuMemsetD2D16Async
// cuMemsetD2D32
// cuMemsetD2D32Async
// cuMemsetD2D8
// cuMemsetD2D8Async
// cuMemsetD32
// cuMemsetD32Async
// cuMemsetD8
// cuMemsetD8Async
// cuMipmappedArrayCreate
// cuMipmappedArrayDestroy
// cuMipmappedArrayGetLevel
// Virtual Memory Management
// cuMemAddressFree
// cuMemAddressReserve
// cuMemCreate
// cuMemExportToShareableHandle
// cuMemGetAccess
// cuMemGetAllocationGranularity
// cuMemGetAllocationPropertiesFromHandle
// cuMemImportFromShareableHandle
// cuMemMap
// cuMemRelease
// cuMemSetAccess
// cuMemUnmap
// Unified Addressing
// cuMemAdvise
// cuMemPrefetchAsync
// cuMemRangeGetAttribute
// cuMemRangeGetAttributes
// cuPointerGetAttribute
// cuPointerGetAttributes
// cuPointerSetAttribute
// Stream Managment
// cuStreamAddCallback
// cuStreamAttachMemAsync
// cuStreamBeginCapture_v2
CUDA_DEFINE_FUNCTION(cuStreamCreate, cu_stream_t* stream, std::uint32_t flags);
// cuStreamCreateWithPriority
CUDA_DEFINE_FUNCTION(cuStreamDestroy, cu_stream_t stream);
// cuStreamEndCapture
// cuStreamGetCaptureInfo
// cuStreamGetCtx
// cuStreamGetFlags
// cuStreamGetPriority
// cuStreamIsCapturing
// cuStreamQuery
CUDA_DEFINE_FUNCTION(cuStreamSynchronize, cu_stream_t stream);
// cuStreamWaitEvent
// cuThreadExchangeStreamCaptureMode
// Event Management
// cuEventCreate
// cuEventDestroy_v2
// cuEventElapsedTime
// cuEventQuery
// cuEventRecord
// cuEventSynchronize
// External Resource Interoperability
// cuDestroyExternalMemory
// cuDestroyExternalSemaphore
// cuExternalMemoryGetMappedBuffer
// cuExternalMemoryGetMappedMipmappedArray
// cuImportExternalMemory
// cuImportExternalSemaphore
// cuSignalExternalSemaphoresAsync
// cuWaitExternalSemaphoresAsync
// Stream Memory Operations
// cuStreamBatchMemOp
// cuStreamWaitValue32
// cuStreamWaitValue64
// cuStreamWriteValue32
// cuStreamWriteValue64
// Execution Control
// cuFuncGetAttribute
// cuFuncSetAttribute
// cuFuncSetCacheConfig
// cuFuncSetSharedMemConfig
// cuLaunchCooperativeKernel
// cuLaunchCooperativeKernelMultiDevice
// cuLaunchHostFunc
// cuLaunchKernel
// Graph Management
// Todo!
// Occupancy
// Todo
// Texture Object Management
// Todo
// Surface Object Management
// Todo
// Peer Context Memory Access
// Todo
// Graphics Interoperability
CUDA_DEFINE_FUNCTION(cuGraphicsMapResources, std::uint32_t count, cu_graphics_resource_t* resources,
cu_stream_t stream);
// cuGraphicsResourcesGetMappedMipmappedArray
// cuGraphicsResourcesGetMappedPointer_v2
// cuGraphicsResourcesSetMapFlags_v2
CUDA_DEFINE_FUNCTION(cuGraphicsSubResourceGetMappedArray, cu_array_t* array, cu_graphics_resource_t resource,
std::uint32_t index, std::uint32_t level);
CUDA_DEFINE_FUNCTION(cuGraphicsUnmapResources, std::uint32_t count, cu_graphics_resource_t* resources,
cu_stream_t stream);
CUDA_DEFINE_FUNCTION(cuGraphicsUnregisterResource, cu_graphics_resource_t resource);
// Profile Control
// Todo
// OpenGL Interoperability
// cuGLGetDevices
// cuGraphcisGLRegisterBuffer
// cuGraphcisGLRegisterImage
#ifdef WIN32
// cuWGLGetDevice
// Direct3D9 Interopability
// cuD3D9CtxCreate
// cuD3D9CtxCreateOnDevice
// cuD3D9CtxGetDevice
// cuD3D9CtxGetDevices
// cuD3D9GetDirect3DDevice
// cuGraphicsD3D9RegisterResource
// Direct3D10 Interopability
// cuD3D10GetDevice
// cuD3D10GetDevices
// cuGraphicsD3D10RegisterResource
// Direct3D11 Interopability
CUDA_DEFINE_FUNCTION(cuD3D11GetDevice, std::int32_t* device, IDXGIAdapter* adapter);
// cuD3D11GetDevices
CUDA_DEFINE_FUNCTION(cuGraphicsD3D11RegisterResource, cu_graphics_resource_t* resource,
ID3D11Resource* d3dresource, std::uint32_t flags);
#endif
};
} // namespace nvidia::cuda