mirror of
https://github.com/libretro/RetroArch
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70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/* SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
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* Copyright (C) 2010 - Hans-Kristian Arntzen
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*
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* Some code herein may be based on code found in BSNES.
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*
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* SSNES is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with SSNES.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DRIVER__H
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#define __DRIVER__H
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#include <stdbool.h>
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#include <stdlib.h>
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#include <stdint.h>
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struct snes_keybind
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{
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int id;
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int key;
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int joykey;
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};
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typedef struct audio_driver
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{
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void* (*init)(const char* device, int rate, int latency);
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ssize_t (*write)(void* data, const void* buf, size_t size);
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bool (*stop)(void* data);
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bool (*start)(void* data);
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void (*free)(void* data);
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} audio_driver_t;
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typedef struct input_driver
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{
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void* (*init)(void);
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void (*poll)(void* data);
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int16_t (*input_state)(void* data, const struct snes_keybind *snes_keybinds, bool port, unsigned device, unsigned index, unsigned id);
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void (*free)(void* data);
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} input_driver_t;
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typedef struct video_driver
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{
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void* (*init)(int width, int height, bool fullscreen, bool vsync, bool force_aspect, input_driver_t **input);
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// Should the video driver act as an input driver as well? :)
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bool (*frame)(void* data, const uint16_t* frame, int width, int height);
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void (*free)(void* data);
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} video_driver_t;
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typedef struct driver
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{
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const audio_driver_t *audio;
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const video_driver_t *video;
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const input_driver_t *input;
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void *audio_data;
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void *video_data;
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void *input_data;
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} driver_t;
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#endif
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