mpv/video/out/hwdec/hwdec_cuda.h

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/*
* Copyright (c) 2019 Philip Langdale <philipl@overt.org>
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <ffnvcodec/dynlink_loader.h>
#include "video/out/gpu/hwdec.h"
struct cuda_hw_priv {
struct mp_hwdec_ctx hwctx;
CudaFunctions *cu;
CUcontext display_ctx;
CUcontext decode_ctx;
// Do we need to do a full CPU sync after copying
bool do_full_sync;
bool (*ext_init)(struct ra_hwdec_mapper *mapper,
const struct ra_format *format, int n);
void (*ext_uninit)(const struct ra_hwdec_mapper *mapper, int n);
// These are only necessary if the gpu api requires synchronisation
bool (*ext_wait)(const struct ra_hwdec_mapper *mapper, int n);
bool (*ext_signal)(const struct ra_hwdec_mapper *mapper, int n);
};
struct cuda_mapper_priv {
struct mp_image layout;
CUarray cu_array[4];
CUcontext display_ctx;
void *ext[4];
};
struct cuda_interop_fn {
bool (*check)(const struct ra_hwdec *hw);
bool (*init)(const struct ra_hwdec *hw);
};
extern struct cuda_interop_fn cuda_gl_fn;
extern struct cuda_interop_fn cuda_vk_fn;
int check_cu(const struct ra_hwdec *hw, CUresult err, const char *func);