eg3d/torch_utils/ops/bias_act.h

/*
 * SPDX-FileCopyrightText: Copyright (c) 2021-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
 */

//------------------------------------------------------------------------
// CUDA kernel parameters.

struct bias_act_kernel_params
{
    const void* x;      // [sizeX]
    const void* b;      // [sizeB] or NULL
    const void* xref;   // [sizeX] or NULL
    const void* yref;   // [sizeX] or NULL
    const void* dy;     // [sizeX] or NULL
    void*       y;      // [sizeX]

    int         grad;
    int         act;
    float       alpha;
    float       gain;
    float       clamp;

    int         sizeX;
    int         sizeB;
    int         stepB;
    int         loopX;
};

//------------------------------------------------------------------------
// CUDA kernel selection.

template <class T> void* choose_bias_act_kernel(const bias_act_kernel_params& p);

//------------------------------------------------------------------------