ayo
7c5d3c9157
Add native K/M/RR inference engines, HIP kernels, replay and validation harnesses, and Windows DLSS setup and runtime support. Include GPU profiling tools, build and packaging scripts, platform integration patches, and implementation documentation.
49 lines
2.3 KiB
C++
49 lines
2.3 KiB
C++
#pragma once
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#include "diagnostic.h"
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// CUDA Driver API ABI subset. No CUDA SDK, CUDA runtime or NVIDIA binary is needed.
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using CUdevice = int;
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using CUdeviceptr = uint64_t;
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using CUcontext = void*;
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using CUmodule = void*;
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using CUfunction = void*;
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struct CudaApi {
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bool verbose = true;
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d4r::diag::SearchDirectory search;
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d4r::diag::Library library;
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#define D4R_CU(name, ret, ...) using name##_fn = ret(WINAPI*)(__VA_ARGS__); name##_fn name = library.symbol<name##_fn>(#name)
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D4R_CU(cuInit, int, unsigned);
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D4R_CU(cuDriverGetVersion, int, int*);
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D4R_CU(cuDeviceGetCount, int, int*);
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D4R_CU(cuDeviceGet, int, CUdevice*, int);
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D4R_CU(cuDeviceGetName, int, char*, int, CUdevice);
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D4R_CU(cuDeviceGetAttribute, int, int*, int, CUdevice);
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D4R_CU(cuDevicePrimaryCtxRetain, int, CUcontext*, CUdevice);
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D4R_CU(cuDevicePrimaryCtxRelease_v2, int, CUdevice);
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D4R_CU(cuCtxSetCurrent, int, CUcontext);
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D4R_CU(cuCtxCreate_v2, int, CUcontext*, unsigned, CUdevice);
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D4R_CU(cuCtxDestroy_v2, int, CUcontext);
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D4R_CU(cuCtxSynchronize, int);
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D4R_CU(cuMemAlloc_v2, int, CUdeviceptr*, size_t);
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D4R_CU(cuMemFree_v2, int, CUdeviceptr);
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D4R_CU(cuMemcpyHtoD_v2, int, CUdeviceptr, const void*, size_t);
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D4R_CU(cuMemcpyDtoH_v2, int, void*, CUdeviceptr, size_t);
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D4R_CU(cuModuleLoadData, int, CUmodule*, const void*);
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D4R_CU(cuModuleUnload, int, CUmodule);
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D4R_CU(cuModuleGetFunction, int, CUfunction*, CUmodule, const char*);
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D4R_CU(cuLaunchKernel, int, CUfunction, unsigned, unsigned, unsigned, unsigned, unsigned, unsigned,
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unsigned, void*, void**, void**);
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D4R_CU(cuGetErrorName, int, int, const char**);
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D4R_CU(cuGetErrorString, int, int, const char**);
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#undef D4R_CU
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explicit CudaApi(const std::string& path) :
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search(std::filesystem::path(d4r::diag::wide(path)).parent_path()),
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library(d4r::diag::wide(path)) {}
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void check(int result, const char* call) {
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const char* name = "unknown", *message = "unknown";
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if (result) { cuGetErrorName(result, &name); cuGetErrorString(result, &message); }
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else name = "CUDA_SUCCESS";
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if (verbose || result) std::printf("CUDA %s -> %d (%s)\n", call, result, name ? name : "unknown");
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if (result) throw std::runtime_error(std::string(call) + ": " + (message ? message : "unknown"));
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}
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};
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