mirror of
https://github.com/CTCaer/RetroArch.git
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136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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* Copyright (C) 2012-2015 - Michael Lelli
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*
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* RetroArch 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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* RetroArch 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 RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <retro_inline.h>
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#include <boolean.h>
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#include "libretro.h"
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#include "libretro_version_1.h"
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#include "general.h"
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#include "rewind.h"
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#include "gfx/video_driver.h"
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#include "audio/audio_driver.h"
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#ifdef HAVE_NETPLAY
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#include "netplay/netplay.h"
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#endif
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struct retro_callbacks retro_ctx;
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/**
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* retro_set_default_callbacks:
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* @data : pointer to retro_callbacks object
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*
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* Binds the libretro callbacks to default callback functions.
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**/
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void retro_set_default_callbacks(void *data)
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{
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struct retro_callbacks *cbs = (struct retro_callbacks*)data;
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if (!cbs)
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return;
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cbs->frame_cb = video_driver_frame;
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cbs->sample_cb = audio_driver_sample;
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cbs->sample_batch_cb = audio_driver_sample_batch;
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cbs->state_cb = input_state;
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cbs->poll_cb = input_poll;
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}
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void retro_uninit_libretro_cbs(void)
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{
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struct retro_callbacks *cbs = (struct retro_callbacks*)&retro_ctx;
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cbs->frame_cb = NULL;
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cbs->sample_cb = NULL;
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cbs->sample_batch_cb = NULL;
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cbs->state_cb = NULL;
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cbs->poll_cb = NULL;
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}
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/**
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* retro_init_libretro_cbs:
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* @data : pointer to retro_callbacks object
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*
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* Initializes libretro callbacks, and binds the libretro callbacks
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* to default callback functions.
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**/
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void retro_init_libretro_cbs(void *data)
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{
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struct retro_callbacks *cbs = (struct retro_callbacks*)data;
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global_t *global = global_get_ptr();
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if (!cbs)
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return;
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(void)global;
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core.retro_set_video_refresh(video_driver_frame);
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core.retro_set_audio_sample(audio_driver_sample);
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core.retro_set_audio_sample_batch(audio_driver_sample_batch);
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core.retro_set_input_state(input_state);
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core.retro_set_input_poll(input_poll);
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retro_set_default_callbacks(cbs);
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#ifdef HAVE_NETPLAY
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if (!netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_DATA_INITED, NULL))
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return;
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if (global->netplay.is_spectate)
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{
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core.retro_set_input_state(
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(global->netplay.is_client ?
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input_state_spectate_client : input_state_spectate)
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);
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}
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else
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{
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core.retro_set_video_refresh(video_frame_net);
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core.retro_set_audio_sample(audio_sample_net);
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core.retro_set_audio_sample_batch(audio_sample_batch_net);
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core.retro_set_input_state(input_state_net);
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}
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#endif
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}
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/**
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* retro_set_rewind_callbacks:
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*
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* Sets the audio sampling callbacks based on whether or not
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* rewinding is currently activated.
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**/
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void retro_set_rewind_callbacks(void)
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{
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if (state_manager_frame_is_reversed())
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{
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core.retro_set_audio_sample(audio_driver_sample_rewind);
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core.retro_set_audio_sample_batch(audio_driver_sample_batch_rewind);
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}
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else
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{
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core.retro_set_audio_sample(audio_driver_sample);
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core.retro_set_audio_sample_batch(audio_driver_sample_batch);
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}
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}
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