/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

// Copyright 2004-present Facebook. All Rights Reserved.
// -*- c++ -*-

#include "gpu/GpuResources_c.h"
#include "gpu/GpuResources.h"
#include "macros_impl.h"

using faiss::gpu::GpuResources;

DEFINE_DESTRUCTOR(GpuResources)

int faiss_GpuResources_initializeForDevice(FaissGpuResources* res, int device) {
    try {
        reinterpret_cast<GpuResources*>(res)->initializeForDevice(device);
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_getBlasHandle(FaissGpuResources* res, int device, cublasHandle_t* out) {
    try {
        auto o = reinterpret_cast<GpuResources*>(res)->getBlasHandle(device);
        *out = o;
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_getDefaultStream(FaissGpuResources* res, int device, cudaStream_t* out) {
    try {
        auto o = reinterpret_cast<GpuResources*>(res)->getDefaultStream(device);
        *out = o;
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_getPinnedMemory(FaissGpuResources* res, void** p_buffer, size_t* p_size) {
    try {
        auto o = reinterpret_cast<GpuResources*>(res)->getPinnedMemory();
        *p_buffer = o.first;
        *p_size = o.second;
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_getAsyncCopyStream(FaissGpuResources* res, int device, cudaStream_t* out) {
    try {
        auto o = reinterpret_cast<GpuResources*>(res)->getAsyncCopyStream(device);
        *out = o;
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_getBlasHandleCurrentDevice(FaissGpuResources* res, cublasHandle_t* out) {
    try {
        auto o = reinterpret_cast<GpuResources*>(res)->getBlasHandleCurrentDevice();
        *out = o;
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_getDefaultStreamCurrentDevice(FaissGpuResources* res, cudaStream_t* out) {
    try {
        auto o = reinterpret_cast<GpuResources*>(res)->getDefaultStreamCurrentDevice();
        *out = o;
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_syncDefaultStream(FaissGpuResources* res, int device) {
    try {
        reinterpret_cast<GpuResources*>(res)->syncDefaultStream(device);
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_syncDefaultStreamCurrentDevice(FaissGpuResources* res) {
    try {
        reinterpret_cast<GpuResources*>(res)->syncDefaultStreamCurrentDevice();
    } CATCH_AND_HANDLE
}

int faiss_GpuResources_getAsyncCopyStreamCurrentDevice(FaissGpuResources* res, cudaStream_t* out) {
    try {
        auto o = reinterpret_cast<GpuResources*>(res)->getAsyncCopyStreamCurrentDevice();
        *out = o;
    } CATCH_AND_HANDLE
}

