mirror of https://github.com/Xaymar/obs-StreamFX
144 lines
4.5 KiB
C++
144 lines
4.5 KiB
C++
// AUTOGENERATED COPYRIGHT HEADER START
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// Copyright (C) 2020-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
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// AUTOGENERATED COPYRIGHT HEADER END
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#include "nvidia-cuda-context.hpp"
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#include "util/util-logging.hpp"
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#include "warning-disable.hpp"
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#include <cassert>
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#include <stdexcept>
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#include "warning-enable.hpp"
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#ifdef _DEBUG
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#define ST_PREFIX "<%s> "
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#define D_LOG_ERROR(x, ...) P_LOG_ERROR(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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#define D_LOG_WARNING(x, ...) P_LOG_WARN(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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#define D_LOG_INFO(x, ...) P_LOG_INFO(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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#define D_LOG_DEBUG(x, ...) P_LOG_DEBUG(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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#else
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#define ST_PREFIX "<nvidia::cuda::context> "
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#define D_LOG_ERROR(...) P_LOG_ERROR(ST_PREFIX __VA_ARGS__)
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#define D_LOG_WARNING(...) P_LOG_WARN(ST_PREFIX __VA_ARGS__)
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#define D_LOG_INFO(...) P_LOG_INFO(ST_PREFIX __VA_ARGS__)
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#define D_LOG_DEBUG(...) P_LOG_DEBUG(ST_PREFIX __VA_ARGS__)
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#endif
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#ifdef WIN32
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#include "warning-disable.hpp"
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#include <atlutil.h>
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#include "warning-enable.hpp"
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#endif
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#define ENABLE_STACK_CHECKS
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streamfx::nvidia::cuda::context::~context()
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{
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D_LOG_DEBUG("Finalizing... (Addr: 0x%" PRIuPTR ")", this);
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if (_has_device) {
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_cuda->cuDevicePrimaryCtxRelease(_device);
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} else {
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_cuda->cuCtxDestroy(_ctx);
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}
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}
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streamfx::nvidia::cuda::context::context() : _cuda(::streamfx::nvidia::cuda::cuda::get()), _ctx(), _has_device(false), _device()
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{
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D_LOG_DEBUG("Initializating... (Addr: 0x%" PRIuPTR ")", this);
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}
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#ifdef WIN32
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streamfx::nvidia::cuda::context::context(ID3D11Device* device) : context()
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{
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using namespace streamfx::nvidia::cuda;
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if (!device)
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throw std::invalid_argument("device");
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// Get DXGI Device
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IDXGIDevice* dxgi_device; // Don't use ATL::CComPtr
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device->QueryInterface(__uuidof(IDXGIDevice), (void**)&dxgi_device);
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// Get DXGI Adapter
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ATL::CComPtr<IDXGIAdapter> dxgi_adapter;
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dxgi_device->GetAdapter(&dxgi_adapter);
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// Get Device Index
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if (result res = _cuda->cuD3D11GetDevice(&_device, dxgi_adapter); res != result::SUCCESS) {
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throw std::runtime_error("Failed to get device index for device.");
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}
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_cuda->cuDevicePrimaryCtxSetFlags(_device, context_flags::SCHEDULER_BLOCKING_SYNC);
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// Acquire Context
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if (result res = _cuda->cuDevicePrimaryCtxRetain(&_ctx, _device); res != result::SUCCESS) {
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throw std::runtime_error("Failed to acquire primary device context.");
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}
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// Log some information.
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std::string device_name;
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uuid_t device_uuid;
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luid_t device_luid;
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uint32_t device_luid_mask;
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{
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// Device Name
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std::vector<char> name(256, 0);
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_cuda->cuDeviceGetName(name.data(), static_cast<int32_t>(name.size() - 1), _device);
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device_name = std::string(name.data(), name.data() + strlen(name.data()));
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// Device LUID
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_cuda->cuDeviceGetLuid(&device_luid, &device_luid_mask, _device);
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// Device UUID
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_cuda->cuDeviceGetUuid(&device_uuid, _device);
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}
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D_LOG_INFO("Initialized CUDA on device '%s' (%08" PRIx32 "-%04" PRIx16 "-%04" PRIx16 "-%04" PRIx16 "-%04" PRIx16 "%08" PRIx32 ", %08" PRIx64 ", %" PRIu32 ").", device_name.c_str(), device_uuid.uuid.a, device_uuid.uuid.b, device_uuid.uuid.c, device_uuid.uuid.d, device_uuid.uuid.e, device_uuid.uuid.f, device_luid.luid, device_luid_mask);
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_has_device = true;
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}
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#endif
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::streamfx::nvidia::cuda::context_t streamfx::nvidia::cuda::context::get()
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{
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return _ctx;
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}
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std::shared_ptr<::streamfx::nvidia::cuda::context_stack> streamfx::nvidia::cuda::context::enter()
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{
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return std::make_shared<::streamfx::nvidia::cuda::context_stack>(shared_from_this());
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}
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void streamfx::nvidia::cuda::context::push()
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{
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if (auto res = _cuda->cuCtxPushCurrent(_ctx); res != ::streamfx::nvidia::cuda::result::SUCCESS) {
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throw ::streamfx::nvidia::cuda::cuda_error(res);
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}
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}
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void streamfx::nvidia::cuda::context::pop()
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{
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#ifdef ENABLE_STACK_CHECKS
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::streamfx::nvidia::cuda::context_t ctx;
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if (_cuda->cuCtxGetCurrent(&ctx) == ::streamfx::nvidia::cuda::result::SUCCESS)
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assert(ctx == _ctx);
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#endif
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assert(_cuda->cuCtxPopCurrent(&ctx) == ::streamfx::nvidia::cuda::result::SUCCESS);
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}
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void streamfx::nvidia::cuda::context::synchronize()
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{
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//D_LOG_DEBUG("Synchronizing... (Addr: 0x%" PRIuPTR ")", this);
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#ifdef ENABLE_STACK_CHECKS
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::streamfx::nvidia::cuda::context_t ctx;
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if (_cuda->cuCtxGetCurrent(&ctx) == ::streamfx::nvidia::cuda::result::SUCCESS)
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assert(ctx == _ctx);
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#endif
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if (auto res = _cuda->cuCtxSynchronize(); res != ::streamfx::nvidia::cuda::result::SUCCESS) {
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throw ::streamfx::nvidia::cuda::cuda_error(res);
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}
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}
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