mirror of
https://github.com/libretro/RetroArch.git
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153 lines
3.5 KiB
C
153 lines
3.5 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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*
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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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#ifndef __RETROARCH_RUNLOOP_H
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#define __RETROARCH_RUNLOOP_H
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#include <file/nbio.h>
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#include <formats/image.h>
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#include <formats/rpng.h>
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#include <queues/message_queue.h>
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#include "libretro.h"
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#ifndef AUDIO_BUFFER_FREE_SAMPLES_COUNT
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#define AUDIO_BUFFER_FREE_SAMPLES_COUNT (8 * 1024)
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#endif
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#ifndef MEASURE_FRAME_TIME_SAMPLES_COUNT
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#define MEASURE_FRAME_TIME_SAMPLES_COUNT (2 * 1024)
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum runloop_data_type
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{
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DATA_TYPE_NONE = 0,
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DATA_TYPE_FILE,
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DATA_TYPE_IMAGE,
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DATA_TYPE_HTTP,
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#ifdef HAVE_OVERLAY
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DATA_TYPE_OVERLAY,
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#endif
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};
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/* All libretro runloop-related globals go here. */
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typedef struct runloop
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{
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/* Lifecycle state checks. */
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bool is_paused;
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bool is_idle;
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bool is_menu;
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bool is_slowmotion;
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struct
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{
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struct
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{
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unsigned count;
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unsigned max;
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struct
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{
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struct
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{
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struct
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{
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bool is_updated;
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} label;
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struct
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{
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bool is_active;
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} animation;
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struct
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{
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bool dirty;
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} framebuf;
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struct
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{
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bool active;
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} action;
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} menu;
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} current;
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} video;
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struct
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{
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retro_time_t minimum_time;
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retro_time_t last_time;
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} limit;
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} frames;
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struct
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{
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unsigned buffer_free_samples[AUDIO_BUFFER_FREE_SAMPLES_COUNT];
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uint64_t buffer_free_samples_count;
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retro_time_t frame_time_samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
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uint64_t frame_time_samples_count;
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} measure_data;
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msg_queue_t *msg_queue;
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} runloop_t;
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runloop_t *rarch_main_get_ptr(void);
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/**
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* rarch_main_iterate:
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*
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* Run Libretro core in RetroArch for one frame.
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*
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* Returns: 0 on successful run, 1 if we have to wait until button input in order
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* to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
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**/
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int rarch_main_iterate(void);
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void rarch_main_msg_queue_push(const char *msg, unsigned prio,
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unsigned duration, bool flush);
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const char *rarch_main_msg_queue_pull(void);
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void rarch_main_msg_queue_free(void);
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void rarch_main_msg_queue_init(void);
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void rarch_main_data_msg_queue_push(unsigned type,
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const char *msg, const char *msg2,
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unsigned prio, unsigned duration, bool flush);
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void rarch_main_clear_state(void);
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bool rarch_main_is_idle(void);
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void rarch_main_data_clear_state(void);
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void rarch_main_data_iterate(void);
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void rarch_main_data_deinit(void);
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void rarch_main_data_init_queues(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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