mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-15 06:50:32 +00:00
746 lines
16 KiB
C
746 lines
16 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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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 __RARCH_GENERAL_H
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#define __RARCH_GENERAL_H
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#include "boolean.h"
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#include <stdio.h>
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#include <time.h>
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#include <limits.h>
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#include <setjmp.h>
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#include "driver.h"
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#include "record/ffemu.h"
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#include "message.h"
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#include "rewind.h"
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#include "movie.h"
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#include "autosave.h"
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#include "dynamic.h"
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#include "cheats.h"
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#include "audio/ext/rarch_dsp.h"
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#include "compat/strl.h"
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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// Platform-specific headers
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// PS3
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#if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)
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#include <sys/timer.h>
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#include "ps3/ps3_input.h"
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#endif
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// libxenon
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#ifdef XENON
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#include <time/time.h>
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#endif
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// Windows
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#if defined(_WIN32) && !defined(_XBOX)
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include "msvc/msvc_compat.h"
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#endif
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// XBox
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#if defined(_XBOX)
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#include <xtl.h>
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#include "msvc/msvc_compat.h"
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#endif
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// Wii
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#if defined(GEKKO)
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#include <unistd.h>
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#endif
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// PSP
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#if defined(PSP)
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#include <pspthreadman.h>
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#endif
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//////////////
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// Some platforms do not set this value.
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// Just assume a value. It's usually 4KiB.
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// Platforms with a known value (like Win32)
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// set this value explicitly in platform specific headers.
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#ifndef PATH_MAX
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#define PATH_MAX 4096
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#endif
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#ifdef HAVE_NETPLAY
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#include "netplay.h"
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#endif
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#ifdef HAVE_COMMAND
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#include "command.h"
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#endif
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#include "audio/resampler.h"
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#define MAX_PLAYERS 8
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// All config related settings go here.
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struct settings
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{
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struct
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{
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char driver[32];
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float xscale;
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float yscale;
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bool fullscreen;
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bool windowed_fullscreen;
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unsigned monitor_index;
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unsigned fullscreen_x;
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unsigned fullscreen_y;
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bool vsync;
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bool smooth;
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bool force_aspect;
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bool crop_overscan;
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float aspect_ratio;
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bool aspect_ratio_auto;
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unsigned aspect_ratio_idx;
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char cg_shader_path[PATH_MAX];
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char bsnes_shader_path[PATH_MAX];
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char filter_path[PATH_MAX];
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enum rarch_shader_type shader_type;
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float refresh_rate;
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bool render_to_texture;
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struct
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{
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float scale_x;
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float scale_y;
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} fbo;
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char second_pass_shader[PATH_MAX];
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bool second_pass_smooth;
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char shader_dir[PATH_MAX];
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char font_path[PATH_MAX];
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unsigned font_size;
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bool font_enable;
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bool font_scale;
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float msg_pos_x;
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float msg_pos_y;
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float msg_color_r;
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float msg_color_g;
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float msg_color_b;
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bool disable_composition;
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bool post_filter_record;
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bool gpu_record;
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bool gpu_screenshot;
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bool allow_rotate;
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} video;
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struct
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{
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char driver[32];
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bool enable;
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unsigned out_rate;
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float in_rate;
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float rate_step;
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char device[PATH_MAX];
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unsigned latency;
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bool sync;
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char dsp_plugin[PATH_MAX];
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bool rate_control;
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float rate_control_delta;
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float volume; // dB scale
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} audio;
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struct
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{
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char driver[32];
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struct retro_keybind binds[MAX_PLAYERS][RARCH_BIND_LIST_END];
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float axis_threshold;
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int joypad_map[MAX_PLAYERS];
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unsigned dpad_emulation[MAX_PLAYERS];
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#ifdef RARCH_CONSOLE
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unsigned currently_selected_controller_no;
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unsigned map_dpad_to_stick;
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unsigned device[MAX_PLAYERS];
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#endif
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bool netplay_client_swap_input;
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unsigned turbo_period;
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unsigned turbo_duty_cycle;
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char overlay[PATH_MAX];
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} input;
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char libretro[PATH_MAX];
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char cheat_database[PATH_MAX];
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char cheat_settings_path[PATH_MAX];
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char screenshot_directory[PATH_MAX];
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char system_directory[PATH_MAX];
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bool rewind_enable;
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size_t rewind_buffer_size;
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unsigned rewind_granularity;
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float slowmotion_ratio;
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bool pause_nonactive;
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unsigned autosave_interval;
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bool block_sram_overwrite;
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bool savestate_auto_index;
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bool savestate_auto_save;
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bool network_cmd_enable;
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uint16_t network_cmd_port;
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bool stdin_cmd_enable;
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};
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enum rarch_game_type
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{
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RARCH_CART_NORMAL = 0,
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RARCH_CART_SGB,
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RARCH_CART_BSX,
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RARCH_CART_BSX_SLOTTED,
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RARCH_CART_SUFAMI
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};
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typedef struct rarch_boolean_state
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{
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bool enable;
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unsigned value;
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} rarch_boolean_state_t;
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typedef struct rarch_frame_count
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{
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unsigned expire_frame;
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} rarch_frame_count_t;
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typedef struct rarch_resolution
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{
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unsigned idx;
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unsigned id;
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} rarch_resolution_t;
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typedef struct rarch_viewport
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{
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int x;
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int y;
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unsigned width;
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unsigned height;
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} rarch_viewport_t;
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// All run-time- / command line flag-related globals go here.
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struct global
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{
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bool verbose;
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bool audio_active;
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bool video_active;
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bool force_fullscreen;
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bool disconnect_device[MAX_PLAYERS];
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bool has_mouse[MAX_PLAYERS];
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bool has_dualanalog[MAX_PLAYERS];
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bool has_scope;
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bool has_justifier;
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bool has_justifiers;
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bool has_multitap;
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FILE *rom_file;
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enum rarch_game_type game_type;
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uint32_t cart_crc;
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char gb_rom_path[PATH_MAX];
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char bsx_rom_path[PATH_MAX];
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char sufami_rom_path[2][PATH_MAX];
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bool has_set_save_path;
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bool has_set_state_path;
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char config_path[PATH_MAX];
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char append_config_path[PATH_MAX];
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#ifdef HAVE_FILE_LOGGER
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char default_log_file[PATH_MAX];
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#endif
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char basename[PATH_MAX];
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char fullpath[PATH_MAX];
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char savefile_name_srm[PATH_MAX];
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char savefile_name_rtc[PATH_MAX]; // Make sure that fill_pathname has space.
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char savefile_name_psrm[PATH_MAX];
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char savefile_name_asrm[PATH_MAX];
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char savefile_name_bsrm[PATH_MAX];
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char savestate_name[PATH_MAX];
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char xml_name[PATH_MAX];
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bool block_patch;
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bool ups_pref;
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bool bps_pref;
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bool ips_pref;
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char ups_name[PATH_MAX];
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char bps_name[PATH_MAX];
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char ips_name[PATH_MAX];
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unsigned state_slot;
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struct
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{
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struct retro_system_info info;
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struct retro_system_av_info av_info;
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char *environment;
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char *environment_split;
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unsigned rotation;
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bool shutdown;
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unsigned performance_level;
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enum retro_pixel_format pix_fmt;
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bool force_nonblock;
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const char *input_desc_btn[MAX_PLAYERS][RARCH_FIRST_CUSTOM_BIND];
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retro_keyboard_event_t key_event;
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} system;
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struct
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{
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rarch_resampler_t *source;
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float *data;
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size_t data_ptr;
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size_t chunk_size;
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size_t nonblock_chunk_size;
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size_t block_chunk_size;
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double src_ratio;
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bool use_float;
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bool mute;
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sample_t *outsamples;
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int16_t *conv_outsamples;
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int16_t *rewind_buf;
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size_t rewind_ptr;
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size_t rewind_size;
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dylib_t dsp_lib;
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const rarch_dsp_plugin_t *dsp_plugin;
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void *dsp_handle;
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bool rate_control;
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double orig_src_ratio;
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size_t driver_buffer_size;
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float volume_db;
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float volume_gain;
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} audio_data;
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struct
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{
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bool active;
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uint32_t *buffer;
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uint32_t *colormap;
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unsigned pitch;
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dylib_t lib;
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unsigned scale;
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void (*psize)(unsigned *width, unsigned *height);
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void (*prender)(uint32_t *colormap, uint32_t *output, unsigned outpitch,
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const uint16_t *input, unsigned pitch, unsigned width, unsigned height);
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// CPU filters only work on *XRGB1555*. We have to convert to XRGB1555 first.
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struct scaler_ctx scaler;
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uint16_t *scaler_out;
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} filter;
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msg_queue_t *msg_queue;
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// Rewind support.
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state_manager_t *state_manager;
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void *state_buf;
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size_t state_size;
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bool frame_is_reverse;
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#ifdef HAVE_BSV_MOVIE
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// Movie playback/recording support.
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struct
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{
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bsv_movie_t *movie;
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char movie_path[PATH_MAX];
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bool movie_playback;
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// Immediate playback/recording.
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char movie_start_path[PATH_MAX];
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bool movie_start_recording;
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bool movie_start_playback;
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bool movie_end;
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} bsv;
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#endif
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bool sram_load_disable;
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bool sram_save_disable;
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bool use_sram;
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// Pausing support
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bool is_paused;
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bool is_oneshot;
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bool is_slowmotion;
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// Turbo support
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bool turbo_frame_enable[MAX_PLAYERS];
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uint16_t turbo_enable[MAX_PLAYERS];
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unsigned turbo_count;
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// Autosave support.
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autosave_t *autosave[2];
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// Netplay.
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#ifdef HAVE_NETPLAY
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netplay_t *netplay;
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char netplay_server[PATH_MAX];
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bool netplay_enable;
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bool netplay_is_client;
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bool netplay_is_spectate;
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unsigned netplay_sync_frames;
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uint16_t netplay_port;
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char netplay_nick[32];
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#endif
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// FFmpeg record.
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#ifdef HAVE_FFMPEG
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ffemu_t *rec;
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char record_path[PATH_MAX];
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char record_config[PATH_MAX];
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bool recording;
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unsigned record_width;
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unsigned record_height;
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uint8_t *record_gpu_buffer;
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size_t record_gpu_width;
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size_t record_gpu_height;
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#endif
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struct
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{
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const void *data;
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unsigned width;
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unsigned height;
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size_t pitch;
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} frame_cache;
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unsigned frame_count;
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char title_buf[64];
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struct
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{
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struct string_list *list;
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size_t ptr;
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} shader_dir;
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char sha256[64 + 1];
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#ifdef HAVE_XML
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cheat_manager_t *cheat;
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#endif
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// Settings and/or global state that is specific to a console-style implementation.
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struct
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{
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bool block_config_read;
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bool initialize_rarch_enable;
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unsigned emulator_initialized;
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rarch_frame_count_t general_timers[2];
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struct
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{
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struct
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{
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unsigned idx;
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} ingame_menu;
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unsigned mode;
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unsigned input_loop;
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float font_size;
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struct
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{
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rarch_boolean_state_t msg_fps;
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rarch_boolean_state_t msg_info;
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rarch_boolean_state_t ingame_menu;
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rarch_boolean_state_t rmenu;
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rarch_boolean_state_t rmenu_widescreen;
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rarch_boolean_state_t rmenu_hd;
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} state;
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} rmenu;
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struct
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{
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bool enable;
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char launch_app[PATH_MAX];
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unsigned support;
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} external_launch;
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struct
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{
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struct
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{
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rarch_resolution_t current;
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rarch_resolution_t initial;
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uint32_t *list;
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unsigned count;
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bool check;
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} resolutions;
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struct
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{
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rarch_viewport_t custom_vp;
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} viewports;
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unsigned orientation;
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float overscan_amount;
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unsigned gamma_correction;
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struct
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{
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rarch_boolean_state_t triple_buffering;
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rarch_boolean_state_t overscan;
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rarch_boolean_state_t flicker_filter;
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rarch_boolean_state_t soft_filter;
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rarch_boolean_state_t screenshots;
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rarch_boolean_state_t throttle;
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} state;
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} screen;
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struct
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{
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rarch_boolean_state_t custom_bgm;
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unsigned mode;
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#ifdef _XBOX1
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unsigned volume_level;
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#endif
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} sound;
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struct
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{
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struct
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{
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char default_rom_startup_dir[PATH_MAX];
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char default_savestate_dir[PATH_MAX];
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char default_sram_dir[PATH_MAX];
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} paths;
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struct
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{
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rarch_boolean_state_t default_sram_dir;
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rarch_boolean_state_t default_savestate_dir;
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} state;
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} main_wrap;
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#ifdef HAVE_OSKUTIL
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struct
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{
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oskutil_params oskutil_handle;
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} misc;
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#endif
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} console;
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bool draw_menu;
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uint64_t lifecycle_state;
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struct
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{
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char rom_path[PATH_MAX];
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char cgp_path[PATH_MAX];
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char input_cfg_path[PATH_MAX];
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#ifdef HAVE_ZLIB
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unsigned zip_extract_mode;
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#endif
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#ifdef _XBOX
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DWORD volume_device_type;
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#endif
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} file_state;
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// If this is non-NULL. RARCH_LOG and friends will write to this file.
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FILE *log_file;
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bool error_in_init;
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char error_string[1024];
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jmp_buf error_sjlj_context;
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};
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// Public functions
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void config_load(void);
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void config_set_defaults(void);
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const char *config_get_default_video(void);
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const char *config_get_default_audio(void);
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const char *config_get_default_input(void);
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#include "conf/config_file.h"
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bool config_load_file(const char *path);
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bool config_read_keybinds(const char *path);
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bool config_save_keybinds(const char *path);
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void rarch_game_reset(void);
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void rarch_main_clear_state(void);
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int rarch_main(int argc, char *argv[]);
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int rarch_main_init(int argc, char *argv[]);
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bool rarch_main_iterate(void);
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void rarch_main_deinit(void);
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void rarch_render_cached_frame(void);
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void rarch_init_msg_queue(void);
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|
void rarch_deinit_msg_queue(void);
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|
|
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void rarch_load_state(void);
|
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void rarch_save_state(void);
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void rarch_state_slot_increase(void);
|
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void rarch_state_slot_decrease(void);
|
|
/////////
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|
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|
// Public data structures
|
|
extern struct settings g_settings;
|
|
extern struct global g_extern;
|
|
/////////
|
|
|
|
#include "retroarch_logger.h"
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|
|
|
#ifndef max
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|
#define max(a, b) ((a) > (b) ? (a) : (b))
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#endif
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|
|
|
#ifndef min
|
|
#define min(a, b) ((a) < (b) ? (a) : (b))
|
|
#endif
|
|
|
|
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
|
|
#define RARCH_SCALE_BASE 256
|
|
|
|
static inline uint32_t next_pow2(uint32_t v)
|
|
{
|
|
v--;
|
|
v |= v >> 1;
|
|
v |= v >> 2;
|
|
v |= v >> 4;
|
|
v |= v >> 8;
|
|
v |= v >> 16;
|
|
v++;
|
|
return v;
|
|
}
|
|
|
|
static inline uint32_t prev_pow2(uint32_t v)
|
|
{
|
|
v |= v >> 1;
|
|
v |= v >> 2;
|
|
v |= v >> 4;
|
|
v |= v >> 8;
|
|
v |= v >> 16;
|
|
return v - (v >> 1);
|
|
}
|
|
|
|
static inline uint8_t is_little_endian(void)
|
|
{
|
|
union
|
|
{
|
|
uint16_t x;
|
|
uint8_t y[2];
|
|
} u;
|
|
|
|
u.x = 1;
|
|
return u.y[0];
|
|
}
|
|
|
|
static inline uint32_t swap_if_big32(uint32_t val)
|
|
{
|
|
if (is_little_endian()) // Little-endian
|
|
return val;
|
|
else
|
|
return (val >> 24) | ((val >> 8) & 0xFF00) | ((val << 8) & 0xFF0000) | (val << 24);
|
|
}
|
|
|
|
static inline uint32_t swap_if_little32(uint32_t val)
|
|
{
|
|
if (is_little_endian())
|
|
return (val >> 24) | ((val >> 8) & 0xFF00) | ((val << 8) & 0xFF0000) | (val << 24);
|
|
else
|
|
return val;
|
|
}
|
|
|
|
static inline uint16_t swap_if_big16(uint16_t val)
|
|
{
|
|
if (is_little_endian())
|
|
return val;
|
|
else
|
|
return (val >> 8) | (val << 8);
|
|
}
|
|
|
|
static inline uint16_t swap_if_little16(uint16_t val)
|
|
{
|
|
if (is_little_endian())
|
|
return (val >> 8) | (val << 8);
|
|
else
|
|
return val;
|
|
}
|
|
|
|
static inline float db_to_gain(float db)
|
|
{
|
|
return powf(10.0f, db / 20.0f);
|
|
}
|
|
|
|
static inline void rarch_sleep(unsigned msec)
|
|
{
|
|
#if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)
|
|
sys_timer_usleep(1000 * msec);
|
|
#elif defined(PSP)
|
|
sceKernelDelayThread(1000 * msec);
|
|
#elif defined(_WIN32)
|
|
Sleep(msec);
|
|
#elif defined(XENON)
|
|
udelay(1000 * msec);
|
|
#elif defined(GEKKO)
|
|
usleep(1000 * msec);
|
|
#else
|
|
struct timespec tv = {0};
|
|
tv.tv_sec = msec / 1000;
|
|
tv.tv_nsec = (msec % 1000) * 1000000;
|
|
nanosleep(&tv, NULL);
|
|
#endif
|
|
}
|
|
|
|
#define rarch_assert(cond) do { \
|
|
if (!(cond)) { RARCH_ERR("Assertion failed at %s:%d.\n", __FILE__, __LINE__); exit(2); } \
|
|
} while(0)
|
|
|
|
static inline void rarch_fail(int error_code, const char *error)
|
|
{
|
|
// We cannot longjmp unless we're in rarch_main_init().
|
|
// If not, something went very wrong, and we should just exit right away.
|
|
rarch_assert(g_extern.error_in_init);
|
|
|
|
strlcpy(g_extern.error_string, error, sizeof(g_extern.error_string));
|
|
longjmp(g_extern.error_sjlj_context, error_code);
|
|
}
|
|
|
|
#endif
|
|
|
|
|