From 6448c0a040405049edf4062f742ebc4fed6b6a5e Mon Sep 17 00:00:00 2001 From: lif Date: Mon, 4 Nov 2019 00:14:16 -0800 Subject: [PATCH] initial commit --- .gitignore | 4 + Cargo.toml | 12 + build.rs | 29 + libretro.h | 2473 ++++++++++++++++++++++++++++++ src/libretro_loading.rs | 103 ++ src/libretro_types.rs | 3215 +++++++++++++++++++++++++++++++++++++++ src/main.rs | 18 + 7 files changed, 5854 insertions(+) create mode 100644 .gitignore create mode 100644 Cargo.toml create mode 100644 build.rs create mode 100644 libretro.h create mode 100644 src/libretro_loading.rs create mode 100644 src/libretro_types.rs create mode 100644 src/main.rs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b956f11 --- /dev/null +++ b/.gitignore @@ -0,0 +1,4 @@ +/target +**/*.rs.bk +/.idea +/Cargo.lock diff --git a/Cargo.toml b/Cargo.toml new file mode 100644 index 0000000..034b000 --- /dev/null +++ b/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "rustro" +version = "0.1.0" +authors = ["lifning "] +edition = "2018" + +[dependencies] +failure = "^0.1" +libloading = "^0.5" + +[build-dependencies] +bindgen = "^0.51" # keep an eye on https://github.com/rust-lang/rust-bindgen/issues/1541 diff --git a/build.rs b/build.rs new file mode 100644 index 0000000..258ab98 --- /dev/null +++ b/build.rs @@ -0,0 +1,29 @@ +extern crate bindgen; + +use std::env; +use std::path::PathBuf; + +fn main() { + // Tell cargo to invalidate the built crate whenever the wrapper changes + println!("cargo:rerun-if-changed=libretro.h"); + + // The bindgen::Builder is the main entry point + // to bindgen, and lets you build up options for + // the resulting bindings. + let bindings = bindgen::Builder::default() + // The input header we would like to generate + // bindings for. + .header("libretro.h") + // We use libloading to dlopen() and dlsym() the cores at runtime. + .ignore_functions() + // Finish the builder and generate the bindings. + .generate() + // Unwrap the Result and panic on failure. + .expect("Unable to generate bindings"); + + // Write the bindings to the $OUT_DIR/bindings.rs file. + let out_path = PathBuf::from(env::var("OUT_DIR").unwrap()); + bindings + .write_to_file(out_path.join("libretro_types.rs")) + .expect("Couldn't write bindings!"); +} diff --git a/libretro.h b/libretro.h new file mode 100644 index 0000000..4e1a978 --- /dev/null +++ b/libretro.h @@ -0,0 +1,2473 @@ +/* Copyright (C) 2010-2018 The RetroArch team + * + * --------------------------------------------------------------------------------------- + * The following license statement only applies to this libretro API header (libretro.h). + * --------------------------------------------------------------------------------------- + * + * Permission is hereby granted, free of charge, + * to any person obtaining a copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, + * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef LIBRETRO_H__ +#define LIBRETRO_H__ + +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef __cplusplus +#if defined(_MSC_VER) && _MSC_VER < 1800 && !defined(SN_TARGET_PS3) +/* Hack applied for MSVC when compiling in C89 mode + * as it isn't C99-compliant. */ +#define bool unsigned char +#define true 1 +#define false 0 +#else +#include +#endif +#endif + +#ifndef RETRO_CALLCONV +# if defined(__GNUC__) && defined(__i386__) && !defined(__x86_64__) +# define RETRO_CALLCONV __attribute__((cdecl)) +# elif defined(_MSC_VER) && defined(_M_X86) && !defined(_M_X64) +# define RETRO_CALLCONV __cdecl +# else +# define RETRO_CALLCONV /* all other platforms only have one calling convention each */ +# endif +#endif + +#ifndef RETRO_API +# if defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__) +# ifdef RETRO_IMPORT_SYMBOLS +# ifdef __GNUC__ +# define RETRO_API RETRO_CALLCONV __attribute__((__dllimport__)) +# else +# define RETRO_API RETRO_CALLCONV __declspec(dllimport) +# endif +# else +# ifdef __GNUC__ +# define RETRO_API RETRO_CALLCONV __attribute__((__dllexport__)) +# else +# define RETRO_API RETRO_CALLCONV __declspec(dllexport) +# endif +# endif +# else +# if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__CELLOS_LV2__) +# define RETRO_API RETRO_CALLCONV __attribute__((__visibility__("default"))) +# else +# define RETRO_API RETRO_CALLCONV +# endif +# endif +#endif + +/* Used for checking API/ABI mismatches that can break libretro + * implementations. + * It is not incremented for compatible changes to the API. + */ +#define RETRO_API_VERSION 1 + +/* + * Libretro's fundamental device abstractions. + * + * Libretro's input system consists of some standardized device types, + * such as a joypad (with/without analog), mouse, keyboard, lightgun + * and a pointer. + * + * The functionality of these devices are fixed, and individual cores + * map their own concept of a controller to libretro's abstractions. + * This makes it possible for frontends to map the abstract types to a + * real input device, and not having to worry about binding input + * correctly to arbitrary controller layouts. + */ + +#define RETRO_DEVICE_TYPE_SHIFT 8 +#define RETRO_DEVICE_MASK ((1 << RETRO_DEVICE_TYPE_SHIFT) - 1) +#define RETRO_DEVICE_SUBCLASS(base, id) (((id + 1) << RETRO_DEVICE_TYPE_SHIFT) | base) + +/* Input disabled. */ +#define RETRO_DEVICE_NONE 0 + +/* The JOYPAD is called RetroPad. It is essentially a Super Nintendo + * controller, but with additional L2/R2/L3/R3 buttons, similar to a + * PS1 DualShock. */ +#define RETRO_DEVICE_JOYPAD 1 + +/* The mouse is a simple mouse, similar to Super Nintendo's mouse. + * X and Y coordinates are reported relatively to last poll (poll callback). + * It is up to the libretro implementation to keep track of where the mouse + * pointer is supposed to be on the screen. + * The frontend must make sure not to interfere with its own hardware + * mouse pointer. + */ +#define RETRO_DEVICE_MOUSE 2 + +/* KEYBOARD device lets one poll for raw key pressed. + * It is poll based, so input callback will return with the current + * pressed state. + * For event/text based keyboard input, see + * RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK. + */ +#define RETRO_DEVICE_KEYBOARD 3 + +/* LIGHTGUN device is similar to Guncon-2 for PlayStation 2. + * It reports X/Y coordinates in screen space (similar to the pointer) + * in the range [-0x8000, 0x7fff] in both axes, with zero being center and + * -0x8000 being out of bounds. + * As well as reporting on/off screen state. It features a trigger, + * start/select buttons, auxiliary action buttons and a + * directional pad. A forced off-screen shot can be requested for + * auto-reloading function in some games. + */ +#define RETRO_DEVICE_LIGHTGUN 4 + +/* The ANALOG device is an extension to JOYPAD (RetroPad). + * Similar to DualShock2 it adds two analog sticks and all buttons can + * be analog. This is treated as a separate device type as it returns + * axis values in the full analog range of [-0x7fff, 0x7fff], + * although some devices may return -0x8000. + * Positive X axis is right. Positive Y axis is down. + * Buttons are returned in the range [0, 0x7fff]. + * Only use ANALOG type when polling for analog values. + */ +#define RETRO_DEVICE_ANALOG 5 + +/* Abstracts the concept of a pointing mechanism, e.g. touch. + * This allows libretro to query in absolute coordinates where on the + * screen a mouse (or something similar) is being placed. + * For a touch centric device, coordinates reported are the coordinates + * of the press. + * + * Coordinates in X and Y are reported as: + * [-0x7fff, 0x7fff]: -0x7fff corresponds to the far left/top of the screen, + * and 0x7fff corresponds to the far right/bottom of the screen. + * The "screen" is here defined as area that is passed to the frontend and + * later displayed on the monitor. + * + * The frontend is free to scale/resize this screen as it sees fit, however, + * (X, Y) = (-0x7fff, -0x7fff) will correspond to the top-left pixel of the + * game image, etc. + * + * To check if the pointer coordinates are valid (e.g. a touch display + * actually being touched), PRESSED returns 1 or 0. + * + * If using a mouse on a desktop, PRESSED will usually correspond to the + * left mouse button, but this is a frontend decision. + * PRESSED will only return 1 if the pointer is inside the game screen. + * + * For multi-touch, the index variable can be used to successively query + * more presses. + * If index = 0 returns true for _PRESSED, coordinates can be extracted + * with _X, _Y for index = 0. One can then query _PRESSED, _X, _Y with + * index = 1, and so on. + * Eventually _PRESSED will return false for an index. No further presses + * are registered at this point. */ +#define RETRO_DEVICE_POINTER 6 + +/* Buttons for the RetroPad (JOYPAD). + * The placement of these is equivalent to placements on the + * Super Nintendo controller. + * L2/R2/L3/R3 buttons correspond to the PS1 DualShock. + * Also used as id values for RETRO_DEVICE_INDEX_ANALOG_BUTTON */ +#define RETRO_DEVICE_ID_JOYPAD_B 0 +#define RETRO_DEVICE_ID_JOYPAD_Y 1 +#define RETRO_DEVICE_ID_JOYPAD_SELECT 2 +#define RETRO_DEVICE_ID_JOYPAD_START 3 +#define RETRO_DEVICE_ID_JOYPAD_UP 4 +#define RETRO_DEVICE_ID_JOYPAD_DOWN 5 +#define RETRO_DEVICE_ID_JOYPAD_LEFT 6 +#define RETRO_DEVICE_ID_JOYPAD_RIGHT 7 +#define RETRO_DEVICE_ID_JOYPAD_A 8 +#define RETRO_DEVICE_ID_JOYPAD_X 9 +#define RETRO_DEVICE_ID_JOYPAD_L 10 +#define RETRO_DEVICE_ID_JOYPAD_R 11 +#define RETRO_DEVICE_ID_JOYPAD_L2 12 +#define RETRO_DEVICE_ID_JOYPAD_R2 13 +#define RETRO_DEVICE_ID_JOYPAD_L3 14 +#define RETRO_DEVICE_ID_JOYPAD_R3 15 + +/* Index / Id values for ANALOG device. */ +#define RETRO_DEVICE_INDEX_ANALOG_LEFT 0 +#define RETRO_DEVICE_INDEX_ANALOG_RIGHT 1 +#define RETRO_DEVICE_INDEX_ANALOG_BUTTON 2 +#define RETRO_DEVICE_ID_ANALOG_X 0 +#define RETRO_DEVICE_ID_ANALOG_Y 1 + +/* Id values for MOUSE. */ +#define RETRO_DEVICE_ID_MOUSE_X 0 +#define RETRO_DEVICE_ID_MOUSE_Y 1 +#define RETRO_DEVICE_ID_MOUSE_LEFT 2 +#define RETRO_DEVICE_ID_MOUSE_RIGHT 3 +#define RETRO_DEVICE_ID_MOUSE_WHEELUP 4 +#define RETRO_DEVICE_ID_MOUSE_WHEELDOWN 5 +#define RETRO_DEVICE_ID_MOUSE_MIDDLE 6 +#define RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP 7 +#define RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN 8 +#define RETRO_DEVICE_ID_MOUSE_BUTTON_4 9 +#define RETRO_DEVICE_ID_MOUSE_BUTTON_5 10 + +/* Id values for LIGHTGUN. */ +#define RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X 13 /*Absolute Position*/ +#define RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y 14 /*Absolute*/ +#define RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN 15 /*Status Check*/ +#define RETRO_DEVICE_ID_LIGHTGUN_TRIGGER 2 +#define RETRO_DEVICE_ID_LIGHTGUN_RELOAD 16 /*Forced off-screen shot*/ +#define RETRO_DEVICE_ID_LIGHTGUN_AUX_A 3 +#define RETRO_DEVICE_ID_LIGHTGUN_AUX_B 4 +#define RETRO_DEVICE_ID_LIGHTGUN_START 6 +#define RETRO_DEVICE_ID_LIGHTGUN_SELECT 7 +#define RETRO_DEVICE_ID_LIGHTGUN_AUX_C 8 +#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_UP 9 +#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_DOWN 10 +#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_LEFT 11 +#define RETRO_DEVICE_ID_LIGHTGUN_DPAD_RIGHT 12 +/* deprecated */ +#define RETRO_DEVICE_ID_LIGHTGUN_X 0 /*Relative Position*/ +#define RETRO_DEVICE_ID_LIGHTGUN_Y 1 /*Relative*/ +#define RETRO_DEVICE_ID_LIGHTGUN_CURSOR 3 /*Use Aux:A*/ +#define RETRO_DEVICE_ID_LIGHTGUN_TURBO 4 /*Use Aux:B*/ +#define RETRO_DEVICE_ID_LIGHTGUN_PAUSE 5 /*Use Start*/ + +/* Id values for POINTER. */ +#define RETRO_DEVICE_ID_POINTER_X 0 +#define RETRO_DEVICE_ID_POINTER_Y 1 +#define RETRO_DEVICE_ID_POINTER_PRESSED 2 + +/* Returned from retro_get_region(). */ +#define RETRO_REGION_NTSC 0 +#define RETRO_REGION_PAL 1 + +/* Id values for LANGUAGE */ +enum retro_language +{ + RETRO_LANGUAGE_ENGLISH = 0, + RETRO_LANGUAGE_JAPANESE = 1, + RETRO_LANGUAGE_FRENCH = 2, + RETRO_LANGUAGE_SPANISH = 3, + RETRO_LANGUAGE_GERMAN = 4, + RETRO_LANGUAGE_ITALIAN = 5, + RETRO_LANGUAGE_DUTCH = 6, + RETRO_LANGUAGE_PORTUGUESE_BRAZIL = 7, + RETRO_LANGUAGE_PORTUGUESE_PORTUGAL = 8, + RETRO_LANGUAGE_RUSSIAN = 9, + RETRO_LANGUAGE_KOREAN = 10, + RETRO_LANGUAGE_CHINESE_TRADITIONAL = 11, + RETRO_LANGUAGE_CHINESE_SIMPLIFIED = 12, + RETRO_LANGUAGE_ESPERANTO = 13, + RETRO_LANGUAGE_POLISH = 14, + RETRO_LANGUAGE_VIETNAMESE = 15, + RETRO_LANGUAGE_ARABIC = 16, + RETRO_LANGUAGE_GREEK = 17, + RETRO_LANGUAGE_LAST, + + /* Ensure sizeof(enum) == sizeof(int) */ + RETRO_LANGUAGE_DUMMY = INT_MAX +}; + +/* Passed to retro_get_memory_data/size(). + * If the memory type doesn't apply to the + * implementation NULL/0 can be returned. + */ +#define RETRO_MEMORY_MASK 0xff + +/* Regular save RAM. This RAM is usually found on a game cartridge, + * backed up by a battery. + * If save game data is too complex for a single memory buffer, + * the SAVE_DIRECTORY (preferably) or SYSTEM_DIRECTORY environment + * callback can be used. */ +#define RETRO_MEMORY_SAVE_RAM 0 + +/* Some games have a built-in clock to keep track of time. + * This memory is usually just a couple of bytes to keep track of time. + */ +#define RETRO_MEMORY_RTC 1 + +/* System ram lets a frontend peek into a game systems main RAM. */ +#define RETRO_MEMORY_SYSTEM_RAM 2 + +/* Video ram lets a frontend peek into a game systems video RAM (VRAM). */ +#define RETRO_MEMORY_VIDEO_RAM 3 + +/* Keysyms used for ID in input state callback when polling RETRO_KEYBOARD. */ +enum retro_key +{ + RETROK_UNKNOWN = 0, + RETROK_FIRST = 0, + RETROK_BACKSPACE = 8, + RETROK_TAB = 9, + RETROK_CLEAR = 12, + RETROK_RETURN = 13, + RETROK_PAUSE = 19, + RETROK_ESCAPE = 27, + RETROK_SPACE = 32, + RETROK_EXCLAIM = 33, + RETROK_QUOTEDBL = 34, + RETROK_HASH = 35, + RETROK_DOLLAR = 36, + RETROK_AMPERSAND = 38, + RETROK_QUOTE = 39, + RETROK_LEFTPAREN = 40, + RETROK_RIGHTPAREN = 41, + RETROK_ASTERISK = 42, + RETROK_PLUS = 43, + RETROK_COMMA = 44, + RETROK_MINUS = 45, + RETROK_PERIOD = 46, + RETROK_SLASH = 47, + RETROK_0 = 48, + RETROK_1 = 49, + RETROK_2 = 50, + RETROK_3 = 51, + RETROK_4 = 52, + RETROK_5 = 53, + RETROK_6 = 54, + RETROK_7 = 55, + RETROK_8 = 56, + RETROK_9 = 57, + RETROK_COLON = 58, + RETROK_SEMICOLON = 59, + RETROK_LESS = 60, + RETROK_EQUALS = 61, + RETROK_GREATER = 62, + RETROK_QUESTION = 63, + RETROK_AT = 64, + RETROK_LEFTBRACKET = 91, + RETROK_BACKSLASH = 92, + RETROK_RIGHTBRACKET = 93, + RETROK_CARET = 94, + RETROK_UNDERSCORE = 95, + RETROK_BACKQUOTE = 96, + RETROK_a = 97, + RETROK_b = 98, + RETROK_c = 99, + RETROK_d = 100, + RETROK_e = 101, + RETROK_f = 102, + RETROK_g = 103, + RETROK_h = 104, + RETROK_i = 105, + RETROK_j = 106, + RETROK_k = 107, + RETROK_l = 108, + RETROK_m = 109, + RETROK_n = 110, + RETROK_o = 111, + RETROK_p = 112, + RETROK_q = 113, + RETROK_r = 114, + RETROK_s = 115, + RETROK_t = 116, + RETROK_u = 117, + RETROK_v = 118, + RETROK_w = 119, + RETROK_x = 120, + RETROK_y = 121, + RETROK_z = 122, + RETROK_LEFTBRACE = 123, + RETROK_BAR = 124, + RETROK_RIGHTBRACE = 125, + RETROK_TILDE = 126, + RETROK_DELETE = 127, + + RETROK_KP0 = 256, + RETROK_KP1 = 257, + RETROK_KP2 = 258, + RETROK_KP3 = 259, + RETROK_KP4 = 260, + RETROK_KP5 = 261, + RETROK_KP6 = 262, + RETROK_KP7 = 263, + RETROK_KP8 = 264, + RETROK_KP9 = 265, + RETROK_KP_PERIOD = 266, + RETROK_KP_DIVIDE = 267, + RETROK_KP_MULTIPLY = 268, + RETROK_KP_MINUS = 269, + RETROK_KP_PLUS = 270, + RETROK_KP_ENTER = 271, + RETROK_KP_EQUALS = 272, + + RETROK_UP = 273, + RETROK_DOWN = 274, + RETROK_RIGHT = 275, + RETROK_LEFT = 276, + RETROK_INSERT = 277, + RETROK_HOME = 278, + RETROK_END = 279, + RETROK_PAGEUP = 280, + RETROK_PAGEDOWN = 281, + + RETROK_F1 = 282, + RETROK_F2 = 283, + RETROK_F3 = 284, + RETROK_F4 = 285, + RETROK_F5 = 286, + RETROK_F6 = 287, + RETROK_F7 = 288, + RETROK_F8 = 289, + RETROK_F9 = 290, + RETROK_F10 = 291, + RETROK_F11 = 292, + RETROK_F12 = 293, + RETROK_F13 = 294, + RETROK_F14 = 295, + RETROK_F15 = 296, + + RETROK_NUMLOCK = 300, + RETROK_CAPSLOCK = 301, + RETROK_SCROLLOCK = 302, + RETROK_RSHIFT = 303, + RETROK_LSHIFT = 304, + RETROK_RCTRL = 305, + RETROK_LCTRL = 306, + RETROK_RALT = 307, + RETROK_LALT = 308, + RETROK_RMETA = 309, + RETROK_LMETA = 310, + RETROK_LSUPER = 311, + RETROK_RSUPER = 312, + RETROK_MODE = 313, + RETROK_COMPOSE = 314, + + RETROK_HELP = 315, + RETROK_PRINT = 316, + RETROK_SYSREQ = 317, + RETROK_BREAK = 318, + RETROK_MENU = 319, + RETROK_POWER = 320, + RETROK_EURO = 321, + RETROK_UNDO = 322, + RETROK_OEM_102 = 323, + + RETROK_LAST, + + RETROK_DUMMY = INT_MAX /* Ensure sizeof(enum) == sizeof(int) */ +}; + +enum retro_mod +{ + RETROKMOD_NONE = 0x0000, + + RETROKMOD_SHIFT = 0x01, + RETROKMOD_CTRL = 0x02, + RETROKMOD_ALT = 0x04, + RETROKMOD_META = 0x08, + + RETROKMOD_NUMLOCK = 0x10, + RETROKMOD_CAPSLOCK = 0x20, + RETROKMOD_SCROLLOCK = 0x40, + + RETROKMOD_DUMMY = INT_MAX /* Ensure sizeof(enum) == sizeof(int) */ +}; + +/* If set, this call is not part of the public libretro API yet. It can + * change or be removed at any time. */ +#define RETRO_ENVIRONMENT_EXPERIMENTAL 0x10000 +/* Environment callback to be used internally in frontend. */ +#define RETRO_ENVIRONMENT_PRIVATE 0x20000 + +/* Environment commands. */ +#define RETRO_ENVIRONMENT_SET_ROTATION 1 /* const unsigned * -- + * Sets screen rotation of graphics. + * Is only implemented if rotation can be accelerated by hardware. + * Valid values are 0, 1, 2, 3, which rotates screen by 0, 90, 180, + * 270 degrees counter-clockwise respectively. + */ +#define RETRO_ENVIRONMENT_GET_OVERSCAN 2 /* bool * -- + * Boolean value whether or not the implementation should use overscan, + * or crop away overscan. + */ +#define RETRO_ENVIRONMENT_GET_CAN_DUPE 3 /* bool * -- + * Boolean value whether or not frontend supports frame duping, + * passing NULL to video frame callback. + */ + + /* Environ 4, 5 are no longer supported (GET_VARIABLE / SET_VARIABLES), + * and reserved to avoid possible ABI clash. + */ + +#define RETRO_ENVIRONMENT_SET_MESSAGE 6 /* const struct retro_message * -- + * Sets a message to be displayed in implementation-specific manner + * for a certain amount of 'frames'. + * Should not be used for trivial messages, which should simply be + * logged via RETRO_ENVIRONMENT_GET_LOG_INTERFACE (or as a + * fallback, stderr). + */ +#define RETRO_ENVIRONMENT_SHUTDOWN 7 /* N/A (NULL) -- + * Requests the frontend to shutdown. + * Should only be used if game has a specific + * way to shutdown the game from a menu item or similar. + */ +#define RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL 8 + /* const unsigned * -- + * Gives a hint to the frontend how demanding this implementation + * is on a system. E.g. reporting a level of 2 means + * this implementation should run decently on all frontends + * of level 2 and up. + * + * It can be used by the frontend to potentially warn + * about too demanding implementations. + * + * The levels are "floating". + * + * This function can be called on a per-game basis, + * as certain games an implementation can play might be + * particularly demanding. + * If called, it should be called in retro_load_game(). + */ +#define RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY 9 + /* const char ** -- + * Returns the "system" directory of the frontend. + * This directory can be used to store system specific + * content such as BIOSes, configuration data, etc. + * The returned value can be NULL. + * If so, no such directory is defined, + * and it's up to the implementation to find a suitable directory. + * + * NOTE: Some cores used this folder also for "save" data such as + * memory cards, etc, for lack of a better place to put it. + * This is now discouraged, and if possible, cores should try to + * use the new GET_SAVE_DIRECTORY. + */ +#define RETRO_ENVIRONMENT_SET_PIXEL_FORMAT 10 + /* const enum retro_pixel_format * -- + * Sets the internal pixel format used by the implementation. + * The default pixel format is RETRO_PIXEL_FORMAT_0RGB1555. + * This pixel format however, is deprecated (see enum retro_pixel_format). + * If the call returns false, the frontend does not support this pixel + * format. + * + * This function should be called inside retro_load_game() or + * retro_get_system_av_info(). + */ +#define RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS 11 + /* const struct retro_input_descriptor * -- + * Sets an array of retro_input_descriptors. + * It is up to the frontend to present this in a usable way. + * The array is terminated by retro_input_descriptor::description + * being set to NULL. + * This function can be called at any time, but it is recommended + * to call it as early as possible. + */ +#define RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK 12 + /* const struct retro_keyboard_callback * -- + * Sets a callback function used to notify core about keyboard events. + */ +#define RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE 13 + /* const struct retro_disk_control_callback * -- + * Sets an interface which frontend can use to eject and insert + * disk images. + * This is used for games which consist of multiple images and + * must be manually swapped out by the user (e.g. PSX). + */ +#define RETRO_ENVIRONMENT_SET_HW_RENDER 14 + /* struct retro_hw_render_callback * -- + * Sets an interface to let a libretro core render with + * hardware acceleration. + * Should be called in retro_load_game(). + * If successful, libretro cores will be able to render to a + * frontend-provided framebuffer. + * The size of this framebuffer will be at least as large as + * max_width/max_height provided in get_av_info(). + * If HW rendering is used, pass only RETRO_HW_FRAME_BUFFER_VALID or + * NULL to retro_video_refresh_t. + */ +#define RETRO_ENVIRONMENT_GET_VARIABLE 15 + /* struct retro_variable * -- + * Interface to acquire user-defined information from environment + * that cannot feasibly be supported in a multi-system way. + * 'key' should be set to a key which has already been set by + * SET_VARIABLES. + * 'data' will be set to a value or NULL. + */ +#define RETRO_ENVIRONMENT_SET_VARIABLES 16 + /* const struct retro_variable * -- + * Allows an implementation to signal the environment + * which variables it might want to check for later using + * GET_VARIABLE. + * This allows the frontend to present these variables to + * a user dynamically. + * This should be called the first time as early as + * possible (ideally in retro_set_environment). + * Afterward it may be called again for the core to communicate + * updated options to the frontend, but the number of core + * options must not change from the number in the initial call. + * + * 'data' points to an array of retro_variable structs + * terminated by a { NULL, NULL } element. + * retro_variable::key should be namespaced to not collide + * with other implementations' keys. E.g. A core called + * 'foo' should use keys named as 'foo_option'. + * retro_variable::value should contain a human readable + * description of the key as well as a '|' delimited list + * of expected values. + * + * The number of possible options should be very limited, + * i.e. it should be feasible to cycle through options + * without a keyboard. + * + * First entry should be treated as a default. + * + * Example entry: + * { "foo_option", "Speed hack coprocessor X; false|true" } + * + * Text before first ';' is description. This ';' must be + * followed by a space, and followed by a list of possible + * values split up with '|'. + * + * Only strings are operated on. The possible values will + * generally be displayed and stored as-is by the frontend. + */ +#define RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE 17 + /* bool * -- + * Result is set to true if some variables are updated by + * frontend since last call to RETRO_ENVIRONMENT_GET_VARIABLE. + * Variables should be queried with GET_VARIABLE. + */ +#define RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME 18 + /* const bool * -- + * If true, the libretro implementation supports calls to + * retro_load_game() with NULL as argument. + * Used by cores which can run without particular game data. + * This should be called within retro_set_environment() only. + */ +#define RETRO_ENVIRONMENT_GET_LIBRETRO_PATH 19 + /* const char ** -- + * Retrieves the absolute path from where this libretro + * implementation was loaded. + * NULL is returned if the libretro was loaded statically + * (i.e. linked statically to frontend), or if the path cannot be + * determined. + * Mostly useful in cooperation with SET_SUPPORT_NO_GAME as assets can + * be loaded without ugly hacks. + */ + + /* Environment 20 was an obsolete version of SET_AUDIO_CALLBACK. + * It was not used by any known core at the time, + * and was removed from the API. */ +#define RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK 21 + /* const struct retro_frame_time_callback * -- + * Lets the core know how much time has passed since last + * invocation of retro_run(). + * The frontend can tamper with the timing to fake fast-forward, + * slow-motion, frame stepping, etc. + * In this case the delta time will use the reference value + * in frame_time_callback.. + */ +#define RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK 22 + /* const struct retro_audio_callback * -- + * Sets an interface which is used to notify a libretro core about audio + * being available for writing. + * The callback can be called from any thread, so a core using this must + * have a thread safe audio implementation. + * It is intended for games where audio and video are completely + * asynchronous and audio can be generated on the fly. + * This interface is not recommended for use with emulators which have + * highly synchronous audio. + * + * The callback only notifies about writability; the libretro core still + * has to call the normal audio callbacks + * to write audio. The audio callbacks must be called from within the + * notification callback. + * The amount of audio data to write is up to the implementation. + * Generally, the audio callback will be called continously in a loop. + * + * Due to thread safety guarantees and lack of sync between audio and + * video, a frontend can selectively disallow this interface based on + * internal configuration. A core using this interface must also + * implement the "normal" audio interface. + * + * A libretro core using SET_AUDIO_CALLBACK should also make use of + * SET_FRAME_TIME_CALLBACK. + */ +#define RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE 23 + /* struct retro_rumble_interface * -- + * Gets an interface which is used by a libretro core to set + * state of rumble motors in controllers. + * A strong and weak motor is supported, and they can be + * controlled indepedently. + */ +#define RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES 24 + /* uint64_t * -- + * Gets a bitmask telling which device type are expected to be + * handled properly in a call to retro_input_state_t. + * Devices which are not handled or recognized always return + * 0 in retro_input_state_t. + * Example bitmask: caps = (1 << RETRO_DEVICE_JOYPAD) | (1 << RETRO_DEVICE_ANALOG). + * Should only be called in retro_run(). + */ +#define RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE (25 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* struct retro_sensor_interface * -- + * Gets access to the sensor interface. + * The purpose of this interface is to allow + * setting state related to sensors such as polling rate, + * enabling/disable it entirely, etc. + * Reading sensor state is done via the normal + * input_state_callback API. + */ +#define RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE (26 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* struct retro_camera_callback * -- + * Gets an interface to a video camera driver. + * A libretro core can use this interface to get access to a + * video camera. + * New video frames are delivered in a callback in same + * thread as retro_run(). + * + * GET_CAMERA_INTERFACE should be called in retro_load_game(). + * + * Depending on the camera implementation used, camera frames + * will be delivered as a raw framebuffer, + * or as an OpenGL texture directly. + * + * The core has to tell the frontend here which types of + * buffers can be handled properly. + * An OpenGL texture can only be handled when using a + * libretro GL core (SET_HW_RENDER). + * It is recommended to use a libretro GL core when + * using camera interface. + * + * The camera is not started automatically. The retrieved start/stop + * functions must be used to explicitly + * start and stop the camera driver. + */ +#define RETRO_ENVIRONMENT_GET_LOG_INTERFACE 27 + /* struct retro_log_callback * -- + * Gets an interface for logging. This is useful for + * logging in a cross-platform way + * as certain platforms cannot use stderr for logging. + * It also allows the frontend to + * show logging information in a more suitable way. + * If this interface is not used, libretro cores should + * log to stderr as desired. + */ +#define RETRO_ENVIRONMENT_GET_PERF_INTERFACE 28 + /* struct retro_perf_callback * -- + * Gets an interface for performance counters. This is useful + * for performance logging in a cross-platform way and for detecting + * architecture-specific features, such as SIMD support. + */ +#define RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE 29 + /* struct retro_location_callback * -- + * Gets access to the location interface. + * The purpose of this interface is to be able to retrieve + * location-based information from the host device, + * such as current latitude / longitude. + */ +#define RETRO_ENVIRONMENT_GET_CONTENT_DIRECTORY 30 /* Old name, kept for compatibility. */ +#define RETRO_ENVIRONMENT_GET_CORE_ASSETS_DIRECTORY 30 + /* const char ** -- + * Returns the "core assets" directory of the frontend. + * This directory can be used to store specific assets that the + * core relies upon, such as art assets, + * input data, etc etc. + * The returned value can be NULL. + * If so, no such directory is defined, + * and it's up to the implementation to find a suitable directory. + */ +#define RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY 31 + /* const char ** -- + * Returns the "save" directory of the frontend, unless there is no + * save directory available. The save directory should be used to + * store SRAM, memory cards, high scores, etc, if the libretro core + * cannot use the regular memory interface (retro_get_memory_data()). + * + * If the frontend cannot designate a save directory, it will return + * NULL to indicate that the core should attempt to operate without a + * save directory set. + * + * NOTE: early libretro cores used the system directory for save + * files. Cores that need to be backwards-compatible can still check + * GET_SYSTEM_DIRECTORY. + */ +#define RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO 32 + /* const struct retro_system_av_info * -- + * Sets a new av_info structure. This can only be called from + * within retro_run(). + * This should *only* be used if the core is completely altering the + * internal resolutions, aspect ratios, timings, sampling rate, etc. + * Calling this can require a full reinitialization of video/audio + * drivers in the frontend, + * + * so it is important to call it very sparingly, and usually only with + * the users explicit consent. + * An eventual driver reinitialize will happen so that video and + * audio callbacks + * happening after this call within the same retro_run() call will + * target the newly initialized driver. + * + * This callback makes it possible to support configurable resolutions + * in games, which can be useful to + * avoid setting the "worst case" in max_width/max_height. + * + * ***HIGHLY RECOMMENDED*** Do not call this callback every time + * resolution changes in an emulator core if it's + * expected to be a temporary change, for the reasons of possible + * driver reinitialization. + * This call is not a free pass for not trying to provide + * correct values in retro_get_system_av_info(). If you need to change + * things like aspect ratio or nominal width/height, + * use RETRO_ENVIRONMENT_SET_GEOMETRY, which is a softer variant + * of SET_SYSTEM_AV_INFO. + * + * If this returns false, the frontend does not acknowledge a + * changed av_info struct. + */ +#define RETRO_ENVIRONMENT_SET_PROC_ADDRESS_CALLBACK 33 + /* const struct retro_get_proc_address_interface * -- + * Allows a libretro core to announce support for the + * get_proc_address() interface. + * This interface allows for a standard way to extend libretro where + * use of environment calls are too indirect, + * e.g. for cases where the frontend wants to call directly into the core. + * + * If a core wants to expose this interface, SET_PROC_ADDRESS_CALLBACK + * **MUST** be called from within retro_set_environment(). + */ +#define RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO 34 + /* const struct retro_subsystem_info * -- + * This environment call introduces the concept of libretro "subsystems". + * A subsystem is a variant of a libretro core which supports + * different kinds of games. + * The purpose of this is to support e.g. emulators which might + * have special needs, e.g. Super Nintendo's Super GameBoy, Sufami Turbo. + * It can also be used to pick among subsystems in an explicit way + * if the libretro implementation is a multi-system emulator itself. + * + * Loading a game via a subsystem is done with retro_load_game_special(), + * and this environment call allows a libretro core to expose which + * subsystems are supported for use with retro_load_game_special(). + * A core passes an array of retro_game_special_info which is terminated + * with a zeroed out retro_game_special_info struct. + * + * If a core wants to use this functionality, SET_SUBSYSTEM_INFO + * **MUST** be called from within retro_set_environment(). + */ +#define RETRO_ENVIRONMENT_SET_CONTROLLER_INFO 35 + /* const struct retro_controller_info * -- + * This environment call lets a libretro core tell the frontend + * which controller subclasses are recognized in calls to + * retro_set_controller_port_device(). + * + * Some emulators such as Super Nintendo support multiple lightgun + * types which must be specifically selected from. It is therefore + * sometimes necessary for a frontend to be able to tell the core + * about a special kind of input device which is not specifcally + * provided by the Libretro API. + * + * In order for a frontend to understand the workings of those devices, + * they must be defined as a specialized subclass of the generic device + * types already defined in the libretro API. + * + * The core must pass an array of const struct retro_controller_info which + * is terminated with a blanked out struct. Each element of the + * retro_controller_info struct corresponds to the ascending port index + * that is passed to retro_set_controller_port_device() when that function + * is called to indicate to the core that the frontend has changed the + * active device subclass. SEE ALSO: retro_set_controller_port_device() + * + * The ascending input port indexes provided by the core in the struct + * are generally presented by frontends as ascending User # or Player #, + * such as Player 1, Player 2, Player 3, etc. Which device subclasses are + * supported can vary per input port. + * + * The first inner element of each entry in the retro_controller_info array + * is a retro_controller_description struct that specifies the names and + * codes of all device subclasses that are available for the corresponding + * User or Player, beginning with the generic Libretro device that the + * subclasses are derived from. The second inner element of each entry is the + * total number of subclasses that are listed in the retro_controller_description. + * + * NOTE: Even if special device types are set in the libretro core, + * libretro should only poll input based on the base input device types. + */ +#define RETRO_ENVIRONMENT_SET_MEMORY_MAPS (36 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* const struct retro_memory_map * -- + * This environment call lets a libretro core tell the frontend + * about the memory maps this core emulates. + * This can be used to implement, for example, cheats in a core-agnostic way. + * + * Should only be used by emulators; it doesn't make much sense for + * anything else. + * It is recommended to expose all relevant pointers through + * retro_get_memory_* as well. + * + * Can be called from retro_init and retro_load_game. + */ +#define RETRO_ENVIRONMENT_SET_GEOMETRY 37 + /* const struct retro_game_geometry * -- + * This environment call is similar to SET_SYSTEM_AV_INFO for changing + * video parameters, but provides a guarantee that drivers will not be + * reinitialized. + * This can only be called from within retro_run(). + * + * The purpose of this call is to allow a core to alter nominal + * width/heights as well as aspect ratios on-the-fly, which can be + * useful for some emulators to change in run-time. + * + * max_width/max_height arguments are ignored and cannot be changed + * with this call as this could potentially require a reinitialization or a + * non-constant time operation. + * If max_width/max_height are to be changed, SET_SYSTEM_AV_INFO is required. + * + * A frontend must guarantee that this environment call completes in + * constant time. + */ +#define RETRO_ENVIRONMENT_GET_USERNAME 38 + /* const char ** + * Returns the specified username of the frontend, if specified by the user. + * This username can be used as a nickname for a core that has online facilities + * or any other mode where personalization of the user is desirable. + * The returned value can be NULL. + * If this environ callback is used by a core that requires a valid username, + * a default username should be specified by the core. + */ +#define RETRO_ENVIRONMENT_GET_LANGUAGE 39 + /* unsigned * -- + * Returns the specified language of the frontend, if specified by the user. + * It can be used by the core for localization purposes. + */ +#define RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER (40 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* struct retro_framebuffer * -- + * Returns a preallocated framebuffer which the core can use for rendering + * the frame into when not using SET_HW_RENDER. + * The framebuffer returned from this call must not be used + * after the current call to retro_run() returns. + * + * The goal of this call is to allow zero-copy behavior where a core + * can render directly into video memory, avoiding extra bandwidth cost by copying + * memory from core to video memory. + * + * If this call succeeds and the core renders into it, + * the framebuffer pointer and pitch can be passed to retro_video_refresh_t. + * If the buffer from GET_CURRENT_SOFTWARE_FRAMEBUFFER is to be used, + * the core must pass the exact + * same pointer as returned by GET_CURRENT_SOFTWARE_FRAMEBUFFER; + * i.e. passing a pointer which is offset from the + * buffer is undefined. The width, height and pitch parameters + * must also match exactly to the values obtained from GET_CURRENT_SOFTWARE_FRAMEBUFFER. + * + * It is possible for a frontend to return a different pixel format + * than the one used in SET_PIXEL_FORMAT. This can happen if the frontend + * needs to perform conversion. + * + * It is still valid for a core to render to a different buffer + * even if GET_CURRENT_SOFTWARE_FRAMEBUFFER succeeds. + * + * A frontend must make sure that the pointer obtained from this function is + * writeable (and readable). + */ +#define RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE (41 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* const struct retro_hw_render_interface ** -- + * Returns an API specific rendering interface for accessing API specific data. + * Not all HW rendering APIs support or need this. + * The contents of the returned pointer is specific to the rendering API + * being used. See the various headers like libretro_vulkan.h, etc. + * + * GET_HW_RENDER_INTERFACE cannot be called before context_reset has been called. + * Similarly, after context_destroyed callback returns, + * the contents of the HW_RENDER_INTERFACE are invalidated. + */ +#define RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS (42 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* const bool * -- + * If true, the libretro implementation supports achievements + * either via memory descriptors set with RETRO_ENVIRONMENT_SET_MEMORY_MAPS + * or via retro_get_memory_data/retro_get_memory_size. + * + * This must be called before the first call to retro_run. + */ +#define RETRO_ENVIRONMENT_SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE (43 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* const struct retro_hw_render_context_negotiation_interface * -- + * Sets an interface which lets the libretro core negotiate with frontend how a context is created. + * The semantics of this interface depends on which API is used in SET_HW_RENDER earlier. + * This interface will be used when the frontend is trying to create a HW rendering context, + * so it will be used after SET_HW_RENDER, but before the context_reset callback. + */ +#define RETRO_ENVIRONMENT_SET_SERIALIZATION_QUIRKS 44 + /* uint64_t * -- + * Sets quirk flags associated with serialization. The frontend will zero any flags it doesn't + * recognize or support. Should be set in either retro_init or retro_load_game, but not both. + */ +#define RETRO_ENVIRONMENT_SET_HW_SHARED_CONTEXT (44 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* N/A (null) * -- + * The frontend will try to use a 'shared' hardware context (mostly applicable + * to OpenGL) when a hardware context is being set up. + * + * Returns true if the frontend supports shared hardware contexts and false + * if the frontend does not support shared hardware contexts. + * + * This will do nothing on its own until SET_HW_RENDER env callbacks are + * being used. + */ +#define RETRO_ENVIRONMENT_GET_VFS_INTERFACE (45 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* struct retro_vfs_interface_info * -- + * Gets access to the VFS interface. + * VFS presence needs to be queried prior to load_game or any + * get_system/save/other_directory being called to let front end know + * core supports VFS before it starts handing out paths. + * It is recomended to do so in retro_set_environment + */ +#define RETRO_ENVIRONMENT_GET_LED_INTERFACE (46 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* struct retro_led_interface * -- + * Gets an interface which is used by a libretro core to set + * state of LEDs. + */ +#define RETRO_ENVIRONMENT_GET_AUDIO_VIDEO_ENABLE (47 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* int * -- + * Tells the core if the frontend wants audio or video. + * If disabled, the frontend will discard the audio or video, + * so the core may decide to skip generating a frame or generating audio. + * This is mainly used for increasing performance. + * Bit 0 (value 1): Enable Video + * Bit 1 (value 2): Enable Audio + * Bit 2 (value 4): Use Fast Savestates. + * Bit 3 (value 8): Hard Disable Audio + * Other bits are reserved for future use and will default to zero. + * If video is disabled: + * * The frontend wants the core to not generate any video, + * including presenting frames via hardware acceleration. + * * The frontend's video frame callback will do nothing. + * * After running the frame, the video output of the next frame should be + * no different than if video was enabled, and saving and loading state + * should have no issues. + * If audio is disabled: + * * The frontend wants the core to not generate any audio. + * * The frontend's audio callbacks will do nothing. + * * After running the frame, the audio output of the next frame should be + * no different than if audio was enabled, and saving and loading state + * should have no issues. + * Fast Savestates: + * * Guaranteed to be created by the same binary that will load them. + * * Will not be written to or read from the disk. + * * Suggest that the core assumes loading state will succeed. + * * Suggest that the core updates its memory buffers in-place if possible. + * * Suggest that the core skips clearing memory. + * * Suggest that the core skips resetting the system. + * * Suggest that the core may skip validation steps. + * Hard Disable Audio: + * * Used for a secondary core when running ahead. + * * Indicates that the frontend will never need audio from the core. + * * Suggests that the core may stop synthesizing audio, but this should not + * compromise emulation accuracy. + * * Audio output for the next frame does not matter, and the frontend will + * never need an accurate audio state in the future. + * * State will never be saved when using Hard Disable Audio. + */ +#define RETRO_ENVIRONMENT_GET_MIDI_INTERFACE (48 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* struct retro_midi_interface ** -- + * Returns a MIDI interface that can be used for raw data I/O. + */ + +#define RETRO_ENVIRONMENT_GET_FASTFORWARDING (49 | RETRO_ENVIRONMENT_EXPERIMENTAL) + /* bool * -- + * Boolean value that indicates whether or not the frontend is in + * fastforwarding mode. + */ + +/* VFS functionality */ + +/* File paths: + * File paths passed as parameters when using this api shall be well formed unix-style, + * using "/" (unquoted forward slash) as directory separator regardless of the platform's native separator. + * Paths shall also include at least one forward slash ("game.bin" is an invalid path, use "./game.bin" instead). + * Other than the directory separator, cores shall not make assumptions about path format: + * "C:/path/game.bin", "http://example.com/game.bin", "#game/game.bin", "./game.bin" (without quotes) are all valid paths. + * Cores may replace the basename or remove path components from the end, and/or add new components; + * however, cores shall not append "./", "../" or multiple consecutive forward slashes ("//") to paths they request to front end. + * The frontend is encouraged to make such paths work as well as it can, but is allowed to give up if the core alters paths too much. + * Frontends are encouraged, but not required, to support native file system paths (modulo replacing the directory separator, if applicable). + * Cores are allowed to try using them, but must remain functional if the front rejects such requests. + * Cores are encouraged to use the libretro-common filestream functions for file I/O, + * as they seamlessly integrate with VFS, deal with directory separator replacement as appropriate + * and provide platform-specific fallbacks in cases where front ends do not support VFS. */ + +/* Opaque file handle + * Introduced in VFS API v1 */ +struct retro_vfs_file_handle; + +/* File open flags + * Introduced in VFS API v1 */ +#define RETRO_VFS_FILE_ACCESS_READ (1 << 0) /* Read only mode */ +#define RETRO_VFS_FILE_ACCESS_WRITE (1 << 1) /* Write only mode, discard contents and overwrites existing file unless RETRO_VFS_FILE_ACCESS_UPDATE is also specified */ +#define RETRO_VFS_FILE_ACCESS_READ_WRITE (RETRO_VFS_FILE_ACCESS_READ | RETRO_VFS_FILE_ACCESS_WRITE) /* Read-write mode, discard contents and overwrites existing file unless RETRO_VFS_FILE_ACCESS_UPDATE is also specified*/ +#define RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING (1 << 2) /* Prevents discarding content of existing files opened for writing */ + +/* These are only hints. The frontend may choose to ignore them. Other than RAM/CPU/etc use, + and how they react to unlikely external interference (for example someone else writing to that file, + or the file's server going down), behavior will not change. */ +#define RETRO_VFS_FILE_ACCESS_HINT_NONE (0) +/* Indicate that the file will be accessed many times. The frontend should aggressively cache everything. */ +#define RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS (1 << 0) + +/* Seek positions */ +#define RETRO_VFS_SEEK_POSITION_START 0 +#define RETRO_VFS_SEEK_POSITION_CURRENT 1 +#define RETRO_VFS_SEEK_POSITION_END 2 + +/* Get path from opaque handle. Returns the exact same path passed to file_open when getting the handle + * Introduced in VFS API v1 */ +typedef const char *(RETRO_CALLCONV *retro_vfs_get_path_t)(struct retro_vfs_file_handle *stream); + +/* Open a file for reading or writing. If path points to a directory, this will + * fail. Returns the opaque file handle, or NULL for error. + * Introduced in VFS API v1 */ +typedef struct retro_vfs_file_handle *(RETRO_CALLCONV *retro_vfs_open_t)(const char *path, unsigned mode, unsigned hints); + +/* Close the file and release its resources. Must be called if open_file returns non-NULL. Returns 0 on succes, -1 on failure. + * Whether the call succeeds ot not, the handle passed as parameter becomes invalid and should no longer be used. + * Introduced in VFS API v1 */ +typedef int (RETRO_CALLCONV *retro_vfs_close_t)(struct retro_vfs_file_handle *stream); + +/* Return the size of the file in bytes, or -1 for error. + * Introduced in VFS API v1 */ +typedef int64_t (RETRO_CALLCONV *retro_vfs_size_t)(struct retro_vfs_file_handle *stream); + +/* Truncate file to specified size. Returns 0 on success or -1 on error + * Introduced in VFS API v2 */ +typedef int64_t (RETRO_CALLCONV *retro_vfs_truncate_t)(struct retro_vfs_file_handle *stream, int64_t length); + +/* Get the current read / write position for the file. Returns - 1 for error. + * Introduced in VFS API v1 */ +typedef int64_t (RETRO_CALLCONV *retro_vfs_tell_t)(struct retro_vfs_file_handle *stream); + +/* Set the current read/write position for the file. Returns the new position, -1 for error. + * Introduced in VFS API v1 */ +typedef int64_t (RETRO_CALLCONV *retro_vfs_seek_t)(struct retro_vfs_file_handle *stream, int64_t offset, int seek_position); + +/* Read data from a file. Returns the number of bytes read, or -1 for error. + * Introduced in VFS API v1 */ +typedef int64_t (RETRO_CALLCONV *retro_vfs_read_t)(struct retro_vfs_file_handle *stream, void *s, uint64_t len); + +/* Write data to a file. Returns the number of bytes written, or -1 for error. + * Introduced in VFS API v1 */ +typedef int64_t (RETRO_CALLCONV *retro_vfs_write_t)(struct retro_vfs_file_handle *stream, const void *s, uint64_t len); + +/* Flush pending writes to file, if using buffered IO. Returns 0 on sucess, or -1 on failure. + * Introduced in VFS API v1 */ +typedef int (RETRO_CALLCONV *retro_vfs_flush_t)(struct retro_vfs_file_handle *stream); + +/* Delete the specified file. Returns 0 on success, -1 on failure + * Introduced in VFS API v1 */ +typedef int (RETRO_CALLCONV *retro_vfs_remove_t)(const char *path); + +/* Rename the specified file. Returns 0 on success, -1 on failure + * Introduced in VFS API v1 */ +typedef int (RETRO_CALLCONV *retro_vfs_rename_t)(const char *old_path, const char *new_path); + +struct retro_vfs_interface +{ + /* VFS API v1 */ + retro_vfs_get_path_t get_path; + retro_vfs_open_t open; + retro_vfs_close_t close; + retro_vfs_size_t size; + retro_vfs_tell_t tell; + retro_vfs_seek_t seek; + retro_vfs_read_t read; + retro_vfs_write_t write; + retro_vfs_flush_t flush; + retro_vfs_remove_t remove; + retro_vfs_rename_t rename; + /* VFS API v2 */ + retro_vfs_truncate_t truncate; +}; + +struct retro_vfs_interface_info +{ + /* Set by core: should this be higher than the version the front end supports, + * front end will return false in the RETRO_ENVIRONMENT_GET_VFS_INTERFACE call + * Introduced in VFS API v1 */ + uint32_t required_interface_version; + + /* Frontend writes interface pointer here. The frontend also sets the actual + * version, must be at least required_interface_version. + * Introduced in VFS API v1 */ + struct retro_vfs_interface *iface; +}; + +enum retro_hw_render_interface_type +{ + RETRO_HW_RENDER_INTERFACE_VULKAN = 0, + RETRO_HW_RENDER_INTERFACE_D3D9 = 1, + RETRO_HW_RENDER_INTERFACE_D3D10 = 2, + RETRO_HW_RENDER_INTERFACE_D3D11 = 3, + RETRO_HW_RENDER_INTERFACE_D3D12 = 4, + RETRO_HW_RENDER_INTERFACE_DUMMY = INT_MAX +}; + +/* Base struct. All retro_hw_render_interface_* types + * contain at least these fields. */ +struct retro_hw_render_interface +{ + enum retro_hw_render_interface_type interface_type; + unsigned interface_version; +}; + +typedef void (RETRO_CALLCONV *retro_set_led_state_t)(int led, int state); +struct retro_led_interface +{ + retro_set_led_state_t set_led_state; +}; + +/* Retrieves the current state of the MIDI input. + * Returns true if it's enabled, false otherwise. */ +typedef bool (RETRO_CALLCONV *retro_midi_input_enabled_t)(void); + +/* Retrieves the current state of the MIDI output. + * Returns true if it's enabled, false otherwise */ +typedef bool (RETRO_CALLCONV *retro_midi_output_enabled_t)(void); + +/* Reads next byte from the input stream. + * Returns true if byte is read, false otherwise. */ +typedef bool (RETRO_CALLCONV *retro_midi_read_t)(uint8_t *byte); + +/* Writes byte to the output stream. + * 'delta_time' is in microseconds and represent time elapsed since previous write. + * Returns true if byte is written, false otherwise. */ +typedef bool (RETRO_CALLCONV *retro_midi_write_t)(uint8_t byte, uint32_t delta_time); + +/* Flushes previously written data. + * Returns true if successful, false otherwise. */ +typedef bool (RETRO_CALLCONV *retro_midi_flush_t)(void); + +struct retro_midi_interface +{ + retro_midi_input_enabled_t input_enabled; + retro_midi_output_enabled_t output_enabled; + retro_midi_read_t read; + retro_midi_write_t write; + retro_midi_flush_t flush; +}; + +enum retro_hw_render_context_negotiation_interface_type +{ + RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN = 0, + RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_DUMMY = INT_MAX +}; + +/* Base struct. All retro_hw_render_context_negotiation_interface_* types + * contain at least these fields. */ +struct retro_hw_render_context_negotiation_interface +{ + enum retro_hw_render_context_negotiation_interface_type interface_type; + unsigned interface_version; +}; + +/* Serialized state is incomplete in some way. Set if serialization is + * usable in typical end-user cases but should not be relied upon to + * implement frame-sensitive frontend features such as netplay or + * rerecording. */ +#define RETRO_SERIALIZATION_QUIRK_INCOMPLETE (1 << 0) +/* The core must spend some time initializing before serialization is + * supported. retro_serialize() will initially fail; retro_unserialize() + * and retro_serialize_size() may or may not work correctly either. */ +#define RETRO_SERIALIZATION_QUIRK_MUST_INITIALIZE (1 << 1) +/* Serialization size may change within a session. */ +#define RETRO_SERIALIZATION_QUIRK_CORE_VARIABLE_SIZE (1 << 2) +/* Set by the frontend to acknowledge that it supports variable-sized + * states. */ +#define RETRO_SERIALIZATION_QUIRK_FRONT_VARIABLE_SIZE (1 << 3) +/* Serialized state can only be loaded during the same session. */ +#define RETRO_SERIALIZATION_QUIRK_SINGLE_SESSION (1 << 4) +/* Serialized state cannot be loaded on an architecture with a different + * endianness from the one it was saved on. */ +#define RETRO_SERIALIZATION_QUIRK_ENDIAN_DEPENDENT (1 << 5) +/* Serialized state cannot be loaded on a different platform from the one it + * was saved on for reasons other than endianness, such as word size + * dependence */ +#define RETRO_SERIALIZATION_QUIRK_PLATFORM_DEPENDENT (1 << 6) + +#define RETRO_MEMDESC_CONST (1 << 0) /* The frontend will never change this memory area once retro_load_game has returned. */ +#define RETRO_MEMDESC_BIGENDIAN (1 << 1) /* The memory area contains big endian data. Default is little endian. */ +#define RETRO_MEMDESC_SYSTEM_RAM (1 << 2) /* The memory area is system RAM. This is main RAM of the gaming system. */ +#define RETRO_MEMDESC_SAVE_RAM (1 << 3) /* The memory area is save RAM. This RAM is usually found on a game cartridge, backed up by a battery. */ +#define RETRO_MEMDESC_VIDEO_RAM (1 << 4) /* The memory area is video RAM (VRAM) */ +#define RETRO_MEMDESC_ALIGN_2 (1 << 16) /* All memory access in this area is aligned to their own size, or 2, whichever is smaller. */ +#define RETRO_MEMDESC_ALIGN_4 (2 << 16) +#define RETRO_MEMDESC_ALIGN_8 (3 << 16) +#define RETRO_MEMDESC_MINSIZE_2 (1 << 24) /* All memory in this region is accessed at least 2 bytes at the time. */ +#define RETRO_MEMDESC_MINSIZE_4 (2 << 24) +#define RETRO_MEMDESC_MINSIZE_8 (3 << 24) +struct retro_memory_descriptor +{ + uint64_t flags; + + /* Pointer to the start of the relevant ROM or RAM chip. + * It's strongly recommended to use 'offset' if possible, rather than + * doing math on the pointer. + * + * If the same byte is mapped my multiple descriptors, their descriptors + * must have the same pointer. + * If 'start' does not point to the first byte in the pointer, put the + * difference in 'offset' instead. + * + * May be NULL if there's nothing usable here (e.g. hardware registers and + * open bus). No flags should be set if the pointer is NULL. + * It's recommended to minimize the number of descriptors if possible, + * but not mandatory. */ + void *ptr; + size_t offset; + + /* This is the location in the emulated address space + * where the mapping starts. */ + size_t start; + + /* Which bits must be same as in 'start' for this mapping to apply. + * The first memory descriptor to claim a certain byte is the one + * that applies. + * A bit which is set in 'start' must also be set in this. + * Can be zero, in which case each byte is assumed mapped exactly once. + * In this case, 'len' must be a power of two. */ + size_t select; + + /* If this is nonzero, the set bits are assumed not connected to the + * memory chip's address pins. */ + size_t disconnect; + + /* This one tells the size of the current memory area. + * If, after start+disconnect are applied, the address is higher than + * this, the highest bit of the address is cleared. + * + * If the address is still too high, the next highest bit is cleared. + * Can be zero, in which case it's assumed to be infinite (as limited + * by 'select' and 'disconnect'). */ + size_t len; + + /* To go from emulated address to physical address, the following + * order applies: + * Subtract 'start', pick off 'disconnect', apply 'len', add 'offset'. */ + + /* The address space name must consist of only a-zA-Z0-9_-, + * should be as short as feasible (maximum length is 8 plus the NUL), + * and may not be any other address space plus one or more 0-9A-F + * at the end. + * However, multiple memory descriptors for the same address space is + * allowed, and the address space name can be empty. NULL is treated + * as empty. + * + * Address space names are case sensitive, but avoid lowercase if possible. + * The same pointer may exist in multiple address spaces. + * + * Examples: + * blank+blank - valid (multiple things may be mapped in the same namespace) + * 'Sp'+'Sp' - valid (multiple things may be mapped in the same namespace) + * 'A'+'B' - valid (neither is a prefix of each other) + * 'S'+blank - valid ('S' is not in 0-9A-F) + * 'a'+blank - valid ('a' is not in 0-9A-F) + * 'a'+'A' - valid (neither is a prefix of each other) + * 'AR'+blank - valid ('R' is not in 0-9A-F) + * 'ARB'+blank - valid (the B can't be part of the address either, because + * there is no namespace 'AR') + * blank+'B' - not valid, because it's ambigous which address space B1234 + * would refer to. + * The length can't be used for that purpose; the frontend may want + * to append arbitrary data to an address, without a separator. */ + const char *addrspace; + + /* TODO: When finalizing this one, add a description field, which should be + * "WRAM" or something roughly equally long. */ + + /* TODO: When finalizing this one, replace 'select' with 'limit', which tells + * which bits can vary and still refer to the same address (limit = ~select). + * TODO: limit? range? vary? something else? */ + + /* TODO: When finalizing this one, if 'len' is above what 'select' (or + * 'limit') allows, it's bankswitched. Bankswitched data must have both 'len' + * and 'select' != 0, and the mappings don't tell how the system switches the + * banks. */ + + /* TODO: When finalizing this one, fix the 'len' bit removal order. + * For len=0x1800, pointer 0x1C00 should go to 0x1400, not 0x0C00. + * Algorithm: Take bits highest to lowest, but if it goes above len, clear + * the most recent addition and continue on the next bit. + * TODO: Can the above be optimized? Is "remove the lowest bit set in both + * pointer and 'len'" equivalent? */ + + /* TODO: Some emulators (MAME?) emulate big endian systems by only accessing + * the emulated memory in 32-bit chunks, native endian. But that's nothing + * compared to Darek Mihocka + * (section Emulation 103 - Nearly Free Byte Reversal) - he flips the ENTIRE + * RAM backwards! I'll want to represent both of those, via some flags. + * + * I suspect MAME either didn't think of that idea, or don't want the #ifdef. + * Not sure which, nor do I really care. */ + + /* TODO: Some of those flags are unused and/or don't really make sense. Clean + * them up. */ +}; + +/* The frontend may use the largest value of 'start'+'select' in a + * certain namespace to infer the size of the address space. + * + * If the address space is larger than that, a mapping with .ptr=NULL + * should be at the end of the array, with .select set to all ones for + * as long as the address space is big. + * + * Sample descriptors (minus .ptr, and RETRO_MEMFLAG_ on the flags): + * SNES WRAM: + * .start=0x7E0000, .len=0x20000 + * (Note that this must be mapped before the ROM in most cases; some of the + * ROM mappers + * try to claim $7E0000, or at least $7E8000.) + * SNES SPC700 RAM: + * .addrspace="S", .len=0x10000 + * SNES WRAM mirrors: + * .flags=MIRROR, .start=0x000000, .select=0xC0E000, .len=0x2000 + * .flags=MIRROR, .start=0x800000, .select=0xC0E000, .len=0x2000 + * SNES WRAM mirrors, alternate equivalent descriptor: + * .flags=MIRROR, .select=0x40E000, .disconnect=~0x1FFF + * (Various similar constructions can be created by combining parts of + * the above two.) + * SNES LoROM (512KB, mirrored a couple of times): + * .flags=CONST, .start=0x008000, .select=0x408000, .disconnect=0x8000, .len=512*1024 + * .flags=CONST, .start=0x400000, .select=0x400000, .disconnect=0x8000, .len=512*1024 + * SNES HiROM (4MB): + * .flags=CONST, .start=0x400000, .select=0x400000, .len=4*1024*1024 + * .flags=CONST, .offset=0x8000, .start=0x008000, .select=0x408000, .len=4*1024*1024 + * SNES ExHiROM (8MB): + * .flags=CONST, .offset=0, .start=0xC00000, .select=0xC00000, .len=4*1024*1024 + * .flags=CONST, .offset=4*1024*1024, .start=0x400000, .select=0xC00000, .len=4*1024*1024 + * .flags=CONST, .offset=0x8000, .start=0x808000, .select=0xC08000, .len=4*1024*1024 + * .flags=CONST, .offset=4*1024*1024+0x8000, .start=0x008000, .select=0xC08000, .len=4*1024*1024 + * Clarify the size of the address space: + * .ptr=NULL, .select=0xFFFFFF + * .len can be implied by .select in many of them, but was included for clarity. + */ + +struct retro_memory_map +{ + const struct retro_memory_descriptor *descriptors; + unsigned num_descriptors; +}; + +struct retro_controller_description +{ + /* Human-readable description of the controller. Even if using a generic + * input device type, this can be set to the particular device type the + * core uses. */ + const char *desc; + + /* Device type passed to retro_set_controller_port_device(). If the device + * type is a sub-class of a generic input device type, use the + * RETRO_DEVICE_SUBCLASS macro to create an ID. + * + * E.g. RETRO_DEVICE_SUBCLASS(RETRO_DEVICE_JOYPAD, 1). */ + unsigned id; +}; + +struct retro_controller_info +{ + const struct retro_controller_description *types; + unsigned num_types; +}; + +struct retro_subsystem_memory_info +{ + /* The extension associated with a memory type, e.g. "psram". */ + const char *extension; + + /* The memory type for retro_get_memory(). This should be at + * least 0x100 to avoid conflict with standardized + * libretro memory types. */ + unsigned type; +}; + +struct retro_subsystem_rom_info +{ + /* Describes what the content is (SGB BIOS, GB ROM, etc). */ + const char *desc; + + /* Same definition as retro_get_system_info(). */ + const char *valid_extensions; + + /* Same definition as retro_get_system_info(). */ + bool need_fullpath; + + /* Same definition as retro_get_system_info(). */ + bool block_extract; + + /* This is set if the content is required to load a game. + * If this is set to false, a zeroed-out retro_game_info can be passed. */ + bool required; + + /* Content can have multiple associated persistent + * memory types (retro_get_memory()). */ + const struct retro_subsystem_memory_info *memory; + unsigned num_memory; +}; + +struct retro_subsystem_info +{ + /* Human-readable string of the subsystem type, e.g. "Super GameBoy" */ + const char *desc; + + /* A computer friendly short string identifier for the subsystem type. + * This name must be [a-z]. + * E.g. if desc is "Super GameBoy", this can be "sgb". + * This identifier can be used for command-line interfaces, etc. + */ + const char *ident; + + /* Infos for each content file. The first entry is assumed to be the + * "most significant" content for frontend purposes. + * E.g. with Super GameBoy, the first content should be the GameBoy ROM, + * as it is the most "significant" content to a user. + * If a frontend creates new file paths based on the content used + * (e.g. savestates), it should use the path for the first ROM to do so. */ + const struct retro_subsystem_rom_info *roms; + + /* Number of content files associated with a subsystem. */ + unsigned num_roms; + + /* The type passed to retro_load_game_special(). */ + unsigned id; +}; + +typedef void (RETRO_CALLCONV *retro_proc_address_t)(void); + +/* libretro API extension functions: + * (None here so far). + * + * Get a symbol from a libretro core. + * Cores should only return symbols which are actual + * extensions to the libretro API. + * + * Frontends should not use this to obtain symbols to standard + * libretro entry points (static linking or dlsym). + * + * The symbol name must be equal to the function name, + * e.g. if void retro_foo(void); exists, the symbol must be called "retro_foo". + * The returned function pointer must be cast to the corresponding type. + */ +typedef retro_proc_address_t (RETRO_CALLCONV *retro_get_proc_address_t)(const char *sym); + +struct retro_get_proc_address_interface +{ + retro_get_proc_address_t get_proc_address; +}; + +enum retro_log_level +{ + RETRO_LOG_DEBUG = 0, + RETRO_LOG_INFO, + RETRO_LOG_WARN, + RETRO_LOG_ERROR, + + RETRO_LOG_DUMMY = INT_MAX +}; + +/* Logging function. Takes log level argument as well. */ +typedef void (RETRO_CALLCONV *retro_log_printf_t)(enum retro_log_level level, + const char *fmt, ...); + +struct retro_log_callback +{ + retro_log_printf_t log; +}; + +/* Performance related functions */ + +/* ID values for SIMD CPU features */ +#define RETRO_SIMD_SSE (1 << 0) +#define RETRO_SIMD_SSE2 (1 << 1) +#define RETRO_SIMD_VMX (1 << 2) +#define RETRO_SIMD_VMX128 (1 << 3) +#define RETRO_SIMD_AVX (1 << 4) +#define RETRO_SIMD_NEON (1 << 5) +#define RETRO_SIMD_SSE3 (1 << 6) +#define RETRO_SIMD_SSSE3 (1 << 7) +#define RETRO_SIMD_MMX (1 << 8) +#define RETRO_SIMD_MMXEXT (1 << 9) +#define RETRO_SIMD_SSE4 (1 << 10) +#define RETRO_SIMD_SSE42 (1 << 11) +#define RETRO_SIMD_AVX2 (1 << 12) +#define RETRO_SIMD_VFPU (1 << 13) +#define RETRO_SIMD_PS (1 << 14) +#define RETRO_SIMD_AES (1 << 15) +#define RETRO_SIMD_VFPV3 (1 << 16) +#define RETRO_SIMD_VFPV4 (1 << 17) +#define RETRO_SIMD_POPCNT (1 << 18) +#define RETRO_SIMD_MOVBE (1 << 19) +#define RETRO_SIMD_CMOV (1 << 20) +#define RETRO_SIMD_ASIMD (1 << 21) + +typedef uint64_t retro_perf_tick_t; +typedef int64_t retro_time_t; + +struct retro_perf_counter +{ + const char *ident; + retro_perf_tick_t start; + retro_perf_tick_t total; + retro_perf_tick_t call_cnt; + + bool registered; +}; + +/* Returns current time in microseconds. + * Tries to use the most accurate timer available. + */ +typedef retro_time_t (RETRO_CALLCONV *retro_perf_get_time_usec_t)(void); + +/* A simple counter. Usually nanoseconds, but can also be CPU cycles. + * Can be used directly if desired (when creating a more sophisticated + * performance counter system). + * */ +typedef retro_perf_tick_t (RETRO_CALLCONV *retro_perf_get_counter_t)(void); + +/* Returns a bit-mask of detected CPU features (RETRO_SIMD_*). */ +typedef uint64_t (RETRO_CALLCONV *retro_get_cpu_features_t)(void); + +/* Asks frontend to log and/or display the state of performance counters. + * Performance counters can always be poked into manually as well. + */ +typedef void (RETRO_CALLCONV *retro_perf_log_t)(void); + +/* Register a performance counter. + * ident field must be set with a discrete value and other values in + * retro_perf_counter must be 0. + * Registering can be called multiple times. To avoid calling to + * frontend redundantly, you can check registered field first. */ +typedef void (RETRO_CALLCONV *retro_perf_register_t)(struct retro_perf_counter *counter); + +/* Starts a registered counter. */ +typedef void (RETRO_CALLCONV *retro_perf_start_t)(struct retro_perf_counter *counter); + +/* Stops a registered counter. */ +typedef void (RETRO_CALLCONV *retro_perf_stop_t)(struct retro_perf_counter *counter); + +/* For convenience it can be useful to wrap register, start and stop in macros. + * E.g.: + * #ifdef LOG_PERFORMANCE + * #define RETRO_PERFORMANCE_INIT(perf_cb, name) static struct retro_perf_counter name = {#name}; if (!name.registered) perf_cb.perf_register(&(name)) + * #define RETRO_PERFORMANCE_START(perf_cb, name) perf_cb.perf_start(&(name)) + * #define RETRO_PERFORMANCE_STOP(perf_cb, name) perf_cb.perf_stop(&(name)) + * #else + * ... Blank macros ... + * #endif + * + * These can then be used mid-functions around code snippets. + * + * extern struct retro_perf_callback perf_cb; * Somewhere in the core. + * + * void do_some_heavy_work(void) + * { + * RETRO_PERFORMANCE_INIT(cb, work_1; + * RETRO_PERFORMANCE_START(cb, work_1); + * heavy_work_1(); + * RETRO_PERFORMANCE_STOP(cb, work_1); + * + * RETRO_PERFORMANCE_INIT(cb, work_2); + * RETRO_PERFORMANCE_START(cb, work_2); + * heavy_work_2(); + * RETRO_PERFORMANCE_STOP(cb, work_2); + * } + * + * void retro_deinit(void) + * { + * perf_cb.perf_log(); * Log all perf counters here for example. + * } + */ + +struct retro_perf_callback +{ + retro_perf_get_time_usec_t get_time_usec; + retro_get_cpu_features_t get_cpu_features; + + retro_perf_get_counter_t get_perf_counter; + retro_perf_register_t perf_register; + retro_perf_start_t perf_start; + retro_perf_stop_t perf_stop; + retro_perf_log_t perf_log; +}; + +/* FIXME: Document the sensor API and work out behavior. + * It will be marked as experimental until then. + */ +enum retro_sensor_action +{ + RETRO_SENSOR_ACCELEROMETER_ENABLE = 0, + RETRO_SENSOR_ACCELEROMETER_DISABLE, + + RETRO_SENSOR_DUMMY = INT_MAX +}; + +/* Id values for SENSOR types. */ +#define RETRO_SENSOR_ACCELEROMETER_X 0 +#define RETRO_SENSOR_ACCELEROMETER_Y 1 +#define RETRO_SENSOR_ACCELEROMETER_Z 2 + +typedef bool (RETRO_CALLCONV *retro_set_sensor_state_t)(unsigned port, + enum retro_sensor_action action, unsigned rate); + +typedef float (RETRO_CALLCONV *retro_sensor_get_input_t)(unsigned port, unsigned id); + +struct retro_sensor_interface +{ + retro_set_sensor_state_t set_sensor_state; + retro_sensor_get_input_t get_sensor_input; +}; + +enum retro_camera_buffer +{ + RETRO_CAMERA_BUFFER_OPENGL_TEXTURE = 0, + RETRO_CAMERA_BUFFER_RAW_FRAMEBUFFER, + + RETRO_CAMERA_BUFFER_DUMMY = INT_MAX +}; + +/* Starts the camera driver. Can only be called in retro_run(). */ +typedef bool (RETRO_CALLCONV *retro_camera_start_t)(void); + +/* Stops the camera driver. Can only be called in retro_run(). */ +typedef void (RETRO_CALLCONV *retro_camera_stop_t)(void); + +/* Callback which signals when the camera driver is initialized + * and/or deinitialized. + * retro_camera_start_t can be called in initialized callback. + */ +typedef void (RETRO_CALLCONV *retro_camera_lifetime_status_t)(void); + +/* A callback for raw framebuffer data. buffer points to an XRGB8888 buffer. + * Width, height and pitch are similar to retro_video_refresh_t. + * First pixel is top-left origin. + */ +typedef void (RETRO_CALLCONV *retro_camera_frame_raw_framebuffer_t)(const uint32_t *buffer, + unsigned width, unsigned height, size_t pitch); + +/* A callback for when OpenGL textures are used. + * + * texture_id is a texture owned by camera driver. + * Its state or content should be considered immutable, except for things like + * texture filtering and clamping. + * + * texture_target is the texture target for the GL texture. + * These can include e.g. GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE, and possibly + * more depending on extensions. + * + * affine points to a packed 3x3 column-major matrix used to apply an affine + * transform to texture coordinates. (affine_matrix * vec3(coord_x, coord_y, 1.0)) + * After transform, normalized texture coord (0, 0) should be bottom-left + * and (1, 1) should be top-right (or (width, height) for RECTANGLE). + * + * GL-specific typedefs are avoided here to avoid relying on gl.h in + * the API definition. + */ +typedef void (RETRO_CALLCONV *retro_camera_frame_opengl_texture_t)(unsigned texture_id, + unsigned texture_target, const float *affine); + +struct retro_camera_callback +{ + /* Set by libretro core. + * Example bitmask: caps = (1 << RETRO_CAMERA_BUFFER_OPENGL_TEXTURE) | (1 << RETRO_CAMERA_BUFFER_RAW_FRAMEBUFFER). + */ + uint64_t caps; + + /* Desired resolution for camera. Is only used as a hint. */ + unsigned width; + unsigned height; + + /* Set by frontend. */ + retro_camera_start_t start; + retro_camera_stop_t stop; + + /* Set by libretro core if raw framebuffer callbacks will be used. */ + retro_camera_frame_raw_framebuffer_t frame_raw_framebuffer; + + /* Set by libretro core if OpenGL texture callbacks will be used. */ + retro_camera_frame_opengl_texture_t frame_opengl_texture; + + /* Set by libretro core. Called after camera driver is initialized and + * ready to be started. + * Can be NULL, in which this callback is not called. + */ + retro_camera_lifetime_status_t initialized; + + /* Set by libretro core. Called right before camera driver is + * deinitialized. + * Can be NULL, in which this callback is not called. + */ + retro_camera_lifetime_status_t deinitialized; +}; + +/* Sets the interval of time and/or distance at which to update/poll + * location-based data. + * + * To ensure compatibility with all location-based implementations, + * values for both interval_ms and interval_distance should be provided. + * + * interval_ms is the interval expressed in milliseconds. + * interval_distance is the distance interval expressed in meters. + */ +typedef void (RETRO_CALLCONV *retro_location_set_interval_t)(unsigned interval_ms, + unsigned interval_distance); + +/* Start location services. The device will start listening for changes to the + * current location at regular intervals (which are defined with + * retro_location_set_interval_t). */ +typedef bool (RETRO_CALLCONV *retro_location_start_t)(void); + +/* Stop location services. The device will stop listening for changes + * to the current location. */ +typedef void (RETRO_CALLCONV *retro_location_stop_t)(void); + +/* Get the position of the current location. Will set parameters to + * 0 if no new location update has happened since the last time. */ +typedef bool (RETRO_CALLCONV *retro_location_get_position_t)(double *lat, double *lon, + double *horiz_accuracy, double *vert_accuracy); + +/* Callback which signals when the location driver is initialized + * and/or deinitialized. + * retro_location_start_t can be called in initialized callback. + */ +typedef void (RETRO_CALLCONV *retro_location_lifetime_status_t)(void); + +struct retro_location_callback +{ + retro_location_start_t start; + retro_location_stop_t stop; + retro_location_get_position_t get_position; + retro_location_set_interval_t set_interval; + + retro_location_lifetime_status_t initialized; + retro_location_lifetime_status_t deinitialized; +}; + +enum retro_rumble_effect +{ + RETRO_RUMBLE_STRONG = 0, + RETRO_RUMBLE_WEAK = 1, + + RETRO_RUMBLE_DUMMY = INT_MAX +}; + +/* Sets rumble state for joypad plugged in port 'port'. + * Rumble effects are controlled independently, + * and setting e.g. strong rumble does not override weak rumble. + * Strength has a range of [0, 0xffff]. + * + * Returns true if rumble state request was honored. + * Calling this before first retro_run() is likely to return false. */ +typedef bool (RETRO_CALLCONV *retro_set_rumble_state_t)(unsigned port, + enum retro_rumble_effect effect, uint16_t strength); + +struct retro_rumble_interface +{ + retro_set_rumble_state_t set_rumble_state; +}; + +/* Notifies libretro that audio data should be written. */ +typedef void (RETRO_CALLCONV *retro_audio_callback_t)(void); + +/* True: Audio driver in frontend is active, and callback is + * expected to be called regularily. + * False: Audio driver in frontend is paused or inactive. + * Audio callback will not be called until set_state has been + * called with true. + * Initial state is false (inactive). + */ +typedef void (RETRO_CALLCONV *retro_audio_set_state_callback_t)(bool enabled); + +struct retro_audio_callback +{ + retro_audio_callback_t callback; + retro_audio_set_state_callback_t set_state; +}; + +/* Notifies a libretro core of time spent since last invocation + * of retro_run() in microseconds. + * + * It will be called right before retro_run() every frame. + * The frontend can tamper with timing to support cases like + * fast-forward, slow-motion and framestepping. + * + * In those scenarios the reference frame time value will be used. */ +typedef int64_t retro_usec_t; +typedef void (RETRO_CALLCONV *retro_frame_time_callback_t)(retro_usec_t usec); +struct retro_frame_time_callback +{ + retro_frame_time_callback_t callback; + /* Represents the time of one frame. It is computed as + * 1000000 / fps, but the implementation will resolve the + * rounding to ensure that framestepping, etc is exact. */ + retro_usec_t reference; +}; + +/* Pass this to retro_video_refresh_t if rendering to hardware. + * Passing NULL to retro_video_refresh_t is still a frame dupe as normal. + * */ +#define RETRO_HW_FRAME_BUFFER_VALID ((void*)-1) + +/* Invalidates the current HW context. + * Any GL state is lost, and must not be deinitialized explicitly. + * If explicit deinitialization is desired by the libretro core, + * it should implement context_destroy callback. + * If called, all GPU resources must be reinitialized. + * Usually called when frontend reinits video driver. + * Also called first time video driver is initialized, + * allowing libretro core to initialize resources. + */ +typedef void (RETRO_CALLCONV *retro_hw_context_reset_t)(void); + +/* Gets current framebuffer which is to be rendered to. + * Could change every frame potentially. + */ +typedef uintptr_t (RETRO_CALLCONV *retro_hw_get_current_framebuffer_t)(void); + +/* Get a symbol from HW context. */ +typedef retro_proc_address_t (RETRO_CALLCONV *retro_hw_get_proc_address_t)(const char *sym); + +enum retro_hw_context_type +{ + RETRO_HW_CONTEXT_NONE = 0, + /* OpenGL 2.x. Driver can choose to use latest compatibility context. */ + RETRO_HW_CONTEXT_OPENGL = 1, + /* OpenGL ES 2.0. */ + RETRO_HW_CONTEXT_OPENGLES2 = 2, + /* Modern desktop core GL context. Use version_major/ + * version_minor fields to set GL version. */ + RETRO_HW_CONTEXT_OPENGL_CORE = 3, + /* OpenGL ES 3.0 */ + RETRO_HW_CONTEXT_OPENGLES3 = 4, + /* OpenGL ES 3.1+. Set version_major/version_minor. For GLES2 and GLES3, + * use the corresponding enums directly. */ + RETRO_HW_CONTEXT_OPENGLES_VERSION = 5, + + /* Vulkan, see RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE. */ + RETRO_HW_CONTEXT_VULKAN = 6, + + /* Direct3D, set version_major to select the type of interface + * returned by RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE */ + RETRO_HW_CONTEXT_DIRECT3D = 7, + + RETRO_HW_CONTEXT_DUMMY = INT_MAX +}; + +struct retro_hw_render_callback +{ + /* Which API to use. Set by libretro core. */ + enum retro_hw_context_type context_type; + + /* Called when a context has been created or when it has been reset. + * An OpenGL context is only valid after context_reset() has been called. + * + * When context_reset is called, OpenGL resources in the libretro + * implementation are guaranteed to be invalid. + * + * It is possible that context_reset is called multiple times during an + * application lifecycle. + * If context_reset is called without any notification (context_destroy), + * the OpenGL context was lost and resources should just be recreated + * without any attempt to "free" old resources. + */ + retro_hw_context_reset_t context_reset; + + /* Set by frontend. + * TODO: This is rather obsolete. The frontend should not + * be providing preallocated framebuffers. */ + retro_hw_get_current_framebuffer_t get_current_framebuffer; + + /* Set by frontend. + * Can return all relevant functions, including glClear on Windows. */ + retro_hw_get_proc_address_t get_proc_address; + + /* Set if render buffers should have depth component attached. + * TODO: Obsolete. */ + bool depth; + + /* Set if stencil buffers should be attached. + * TODO: Obsolete. */ + bool stencil; + + /* If depth and stencil are true, a packed 24/8 buffer will be added. + * Only attaching stencil is invalid and will be ignored. */ + + /* Use conventional bottom-left origin convention. If false, + * standard libretro top-left origin semantics are used. + * TODO: Move to GL specific interface. */ + bool bottom_left_origin; + + /* Major version number for core GL context or GLES 3.1+. */ + unsigned version_major; + + /* Minor version number for core GL context or GLES 3.1+. */ + unsigned version_minor; + + /* If this is true, the frontend will go very far to avoid + * resetting context in scenarios like toggling fullscreen, etc. + * TODO: Obsolete? Maybe frontend should just always assume this ... + */ + bool cache_context; + + /* The reset callback might still be called in extreme situations + * such as if the context is lost beyond recovery. + * + * For optimal stability, set this to false, and allow context to be + * reset at any time. + */ + + /* A callback to be called before the context is destroyed in a + * controlled way by the frontend. */ + retro_hw_context_reset_t context_destroy; + + /* OpenGL resources can be deinitialized cleanly at this step. + * context_destroy can be set to NULL, in which resources will + * just be destroyed without any notification. + * + * Even when context_destroy is non-NULL, it is possible that + * context_reset is called without any destroy notification. + * This happens if context is lost by external factors (such as + * notified by GL_ARB_robustness). + * + * In this case, the context is assumed to be already dead, + * and the libretro implementation must not try to free any OpenGL + * resources in the subsequent context_reset. + */ + + /* Creates a debug context. */ + bool debug_context; +}; + +/* Callback type passed in RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK. + * Called by the frontend in response to keyboard events. + * down is set if the key is being pressed, or false if it is being released. + * keycode is the RETROK value of the char. + * character is the text character of the pressed key. (UTF-32). + * key_modifiers is a set of RETROKMOD values or'ed together. + * + * The pressed/keycode state can be indepedent of the character. + * It is also possible that multiple characters are generated from a + * single keypress. + * Keycode events should be treated separately from character events. + * However, when possible, the frontend should try to synchronize these. + * If only a character is posted, keycode should be RETROK_UNKNOWN. + * + * Similarily if only a keycode event is generated with no corresponding + * character, character should be 0. + */ +typedef void (RETRO_CALLCONV *retro_keyboard_event_t)(bool down, unsigned keycode, + uint32_t character, uint16_t key_modifiers); + +struct retro_keyboard_callback +{ + retro_keyboard_event_t callback; +}; + +/* Callbacks for RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE. + * Should be set for implementations which can swap out multiple disk + * images in runtime. + * + * If the implementation can do this automatically, it should strive to do so. + * However, there are cases where the user must manually do so. + * + * Overview: To swap a disk image, eject the disk image with + * set_eject_state(true). + * Set the disk index with set_image_index(index). Insert the disk again + * with set_eject_state(false). + */ + +/* If ejected is true, "ejects" the virtual disk tray. + * When ejected, the disk image index can be set. + */ +typedef bool (RETRO_CALLCONV *retro_set_eject_state_t)(bool ejected); + +/* Gets current eject state. The initial state is 'not ejected'. */ +typedef bool (RETRO_CALLCONV *retro_get_eject_state_t)(void); + +/* Gets current disk index. First disk is index 0. + * If return value is >= get_num_images(), no disk is currently inserted. + */ +typedef unsigned (RETRO_CALLCONV *retro_get_image_index_t)(void); + +/* Sets image index. Can only be called when disk is ejected. + * The implementation supports setting "no disk" by using an + * index >= get_num_images(). + */ +typedef bool (RETRO_CALLCONV *retro_set_image_index_t)(unsigned index); + +/* Gets total number of images which are available to use. */ +typedef unsigned (RETRO_CALLCONV *retro_get_num_images_t)(void); + +struct retro_game_info; + +/* Replaces the disk image associated with index. + * Arguments to pass in info have same requirements as retro_load_game(). + * Virtual disk tray must be ejected when calling this. + * + * Replacing a disk image with info = NULL will remove the disk image + * from the internal list. + * As a result, calls to get_image_index() can change. + * + * E.g. replace_image_index(1, NULL), and previous get_image_index() + * returned 4 before. + * Index 1 will be removed, and the new index is 3. + */ +typedef bool (RETRO_CALLCONV *retro_replace_image_index_t)(unsigned index, + const struct retro_game_info *info); + +/* Adds a new valid index (get_num_images()) to the internal disk list. + * This will increment subsequent return values from get_num_images() by 1. + * This image index cannot be used until a disk image has been set + * with replace_image_index. */ +typedef bool (RETRO_CALLCONV *retro_add_image_index_t)(void); + +struct retro_disk_control_callback +{ + retro_set_eject_state_t set_eject_state; + retro_get_eject_state_t get_eject_state; + + retro_get_image_index_t get_image_index; + retro_set_image_index_t set_image_index; + retro_get_num_images_t get_num_images; + + retro_replace_image_index_t replace_image_index; + retro_add_image_index_t add_image_index; +}; + +enum retro_pixel_format +{ + /* 0RGB1555, native endian. + * 0 bit must be set to 0. + * This pixel format is default for compatibility concerns only. + * If a 15/16-bit pixel format is desired, consider using RGB565. */ + RETRO_PIXEL_FORMAT_0RGB1555 = 0, + + /* XRGB8888, native endian. + * X bits are ignored. */ + RETRO_PIXEL_FORMAT_XRGB8888 = 1, + + /* RGB565, native endian. + * This pixel format is the recommended format to use if a 15/16-bit + * format is desired as it is the pixel format that is typically + * available on a wide range of low-power devices. + * + * It is also natively supported in APIs like OpenGL ES. */ + RETRO_PIXEL_FORMAT_RGB565 = 2, + + /* Ensure sizeof() == sizeof(int). */ + RETRO_PIXEL_FORMAT_UNKNOWN = INT_MAX +}; + +struct retro_message +{ + const char *msg; /* Message to be displayed. */ + unsigned frames; /* Duration in frames of message. */ +}; + +/* Describes how the libretro implementation maps a libretro input bind + * to its internal input system through a human readable string. + * This string can be used to better let a user configure input. */ +struct retro_input_descriptor +{ + /* Associates given parameters with a description. */ + unsigned port; + unsigned device; + unsigned index; + unsigned id; + + /* Human readable description for parameters. + * The pointer must remain valid until + * retro_unload_game() is called. */ + const char *description; +}; + +struct retro_system_info +{ + /* All pointers are owned by libretro implementation, and pointers must + * remain valid until retro_deinit() is called. */ + + const char *library_name; /* Descriptive name of library. Should not + * contain any version numbers, etc. */ + const char *library_version; /* Descriptive version of core. */ + + const char *valid_extensions; /* A string listing probably content + * extensions the core will be able to + * load, separated with pipe. + * I.e. "bin|rom|iso". + * Typically used for a GUI to filter + * out extensions. */ + + /* Libretro cores that need to have direct access to their content + * files, including cores which use the path of the content files to + * determine the paths of other files, should set need_fullpath to true. + * + * Cores should strive for setting need_fullpath to false, + * as it allows the frontend to perform patching, etc. + * + * If need_fullpath is true and retro_load_game() is called: + * - retro_game_info::path is guaranteed to have a valid path + * - retro_game_info::data and retro_game_info::size are invalid + * + * If need_fullpath is false and retro_load_game() is called: + * - retro_game_info::path may be NULL + * - retro_game_info::data and retro_game_info::size are guaranteed + * to be valid + * + * See also: + * - RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY + * - RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY + */ + bool need_fullpath; + + /* If true, the frontend is not allowed to extract any archives before + * loading the real content. + * Necessary for certain libretro implementations that load games + * from zipped archives. */ + bool block_extract; +}; + +struct retro_game_geometry +{ + unsigned base_width; /* Nominal video width of game. */ + unsigned base_height; /* Nominal video height of game. */ + unsigned max_width; /* Maximum possible width of game. */ + unsigned max_height; /* Maximum possible height of game. */ + + float aspect_ratio; /* Nominal aspect ratio of game. If + * aspect_ratio is <= 0.0, an aspect ratio + * of base_width / base_height is assumed. + * A frontend could override this setting, + * if desired. */ +}; + +struct retro_system_timing +{ + double fps; /* FPS of video content. */ + double sample_rate; /* Sampling rate of audio. */ +}; + +struct retro_system_av_info +{ + struct retro_game_geometry geometry; + struct retro_system_timing timing; +}; + +struct retro_variable +{ + /* Variable to query in RETRO_ENVIRONMENT_GET_VARIABLE. + * If NULL, obtains the complete environment string if more + * complex parsing is necessary. + * The environment string is formatted as key-value pairs + * delimited by semicolons as so: + * "key1=value1;key2=value2;..." + */ + const char *key; + + /* Value to be obtained. If key does not exist, it is set to NULL. */ + const char *value; +}; + +struct retro_game_info +{ + const char *path; /* Path to game, UTF-8 encoded. + * Sometimes used as a reference for building other paths. + * May be NULL if game was loaded from stdin or similar, + * but in this case some cores will be unable to load `data`. + * So, it is preferable to fabricate something here instead + * of passing NULL, which will help more cores to succeed. + * retro_system_info::need_fullpath requires + * that this path is valid. */ + const void *data; /* Memory buffer of loaded game. Will be NULL + * if need_fullpath was set. */ + size_t size; /* Size of memory buffer. */ + const char *meta; /* String of implementation specific meta-data. */ +}; + +#define RETRO_MEMORY_ACCESS_WRITE (1 << 0) + /* The core will write to the buffer provided by retro_framebuffer::data. */ +#define RETRO_MEMORY_ACCESS_READ (1 << 1) + /* The core will read from retro_framebuffer::data. */ +#define RETRO_MEMORY_TYPE_CACHED (1 << 0) + /* The memory in data is cached. + * If not cached, random writes and/or reading from the buffer is expected to be very slow. */ +struct retro_framebuffer +{ + void *data; /* The framebuffer which the core can render into. + Set by frontend in GET_CURRENT_SOFTWARE_FRAMEBUFFER. + The initial contents of data are unspecified. */ + unsigned width; /* The framebuffer width used by the core. Set by core. */ + unsigned height; /* The framebuffer height used by the core. Set by core. */ + size_t pitch; /* The number of bytes between the beginning of a scanline, + and beginning of the next scanline. + Set by frontend in GET_CURRENT_SOFTWARE_FRAMEBUFFER. */ + enum retro_pixel_format format; /* The pixel format the core must use to render into data. + This format could differ from the format used in + SET_PIXEL_FORMAT. + Set by frontend in GET_CURRENT_SOFTWARE_FRAMEBUFFER. */ + + unsigned access_flags; /* How the core will access the memory in the framebuffer. + RETRO_MEMORY_ACCESS_* flags. + Set by core. */ + unsigned memory_flags; /* Flags telling core how the memory has been mapped. + RETRO_MEMORY_TYPE_* flags. + Set by frontend in GET_CURRENT_SOFTWARE_FRAMEBUFFER. */ +}; + +/* Callbacks */ + +/* Environment callback. Gives implementations a way of performing + * uncommon tasks. Extensible. */ +typedef bool (RETRO_CALLCONV *retro_environment_t)(unsigned cmd, void *data); + +/* Render a frame. Pixel format is 15-bit 0RGB1555 native endian + * unless changed (see RETRO_ENVIRONMENT_SET_PIXEL_FORMAT). + * + * Width and height specify dimensions of buffer. + * Pitch specifices length in bytes between two lines in buffer. + * + * For performance reasons, it is highly recommended to have a frame + * that is packed in memory, i.e. pitch == width * byte_per_pixel. + * Certain graphic APIs, such as OpenGL ES, do not like textures + * that are not packed in memory. + */ +typedef void (RETRO_CALLCONV *retro_video_refresh_t)(const void *data, unsigned width, + unsigned height, size_t pitch); + +/* Renders a single audio frame. Should only be used if implementation + * generates a single sample at a time. + * Format is signed 16-bit native endian. + */ +typedef void (RETRO_CALLCONV *retro_audio_sample_t)(int16_t left, int16_t right); + +/* Renders multiple audio frames in one go. + * + * One frame is defined as a sample of left and right channels, interleaved. + * I.e. int16_t buf[4] = { l, r, l, r }; would be 2 frames. + * Only one of the audio callbacks must ever be used. + */ +typedef size_t (RETRO_CALLCONV *retro_audio_sample_batch_t)(const int16_t *data, + size_t frames); + +/* Polls input. */ +typedef void (RETRO_CALLCONV *retro_input_poll_t)(void); + +/* Queries for input for player 'port'. device will be masked with + * RETRO_DEVICE_MASK. + * + * Specialization of devices such as RETRO_DEVICE_JOYPAD_MULTITAP that + * have been set with retro_set_controller_port_device() + * will still use the higher level RETRO_DEVICE_JOYPAD to request input. + */ +typedef int16_t (RETRO_CALLCONV *retro_input_state_t)(unsigned port, unsigned device, + unsigned index, unsigned id); + +/* Sets callbacks. retro_set_environment() is guaranteed to be called + * before retro_init(). + * + * The rest of the set_* functions are guaranteed to have been called + * before the first call to retro_run() is made. */ +RETRO_API void retro_set_environment(retro_environment_t); +RETRO_API void retro_set_video_refresh(retro_video_refresh_t); +RETRO_API void retro_set_audio_sample(retro_audio_sample_t); +RETRO_API void retro_set_audio_sample_batch(retro_audio_sample_batch_t); +RETRO_API void retro_set_input_poll(retro_input_poll_t); +RETRO_API void retro_set_input_state(retro_input_state_t); + +/* Library global initialization/deinitialization. */ +RETRO_API void retro_init(void); +RETRO_API void retro_deinit(void); + +/* Must return RETRO_API_VERSION. Used to validate ABI compatibility + * when the API is revised. */ +RETRO_API unsigned retro_api_version(void); + +/* Gets statically known system info. Pointers provided in *info + * must be statically allocated. + * Can be called at any time, even before retro_init(). */ +RETRO_API void retro_get_system_info(struct retro_system_info *info); + +/* Gets information about system audio/video timings and geometry. + * Can be called only after retro_load_game() has successfully completed. + * NOTE: The implementation of this function might not initialize every + * variable if needed. + * E.g. geom.aspect_ratio might not be initialized if core doesn't + * desire a particular aspect ratio. */ +RETRO_API void retro_get_system_av_info(struct retro_system_av_info *info); + +/* Sets device to be used for player 'port'. + * By default, RETRO_DEVICE_JOYPAD is assumed to be plugged into all + * available ports. + * Setting a particular device type is not a guarantee that libretro cores + * will only poll input based on that particular device type. It is only a + * hint to the libretro core when a core cannot automatically detect the + * appropriate input device type on its own. It is also relevant when a + * core can change its behavior depending on device type. + * + * As part of the core's implementation of retro_set_controller_port_device, + * the core should call RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS to notify the + * frontend if the descriptions for any controls have changed as a + * result of changing the device type. + */ +RETRO_API void retro_set_controller_port_device(unsigned port, unsigned device); + +/* Resets the current game. */ +RETRO_API void retro_reset(void); + +/* Runs the game for one video frame. + * During retro_run(), input_poll callback must be called at least once. + * + * If a frame is not rendered for reasons where a game "dropped" a frame, + * this still counts as a frame, and retro_run() should explicitly dupe + * a frame if GET_CAN_DUPE returns true. + * In this case, the video callback can take a NULL argument for data. + */ +RETRO_API void retro_run(void); + +/* Returns the amount of data the implementation requires to serialize + * internal state (save states). + * Between calls to retro_load_game() and retro_unload_game(), the + * returned size is never allowed to be larger than a previous returned + * value, to ensure that the frontend can allocate a save state buffer once. + */ +RETRO_API size_t retro_serialize_size(void); + +/* Serializes internal state. If failed, or size is lower than + * retro_serialize_size(), it should return false, true otherwise. */ +RETRO_API bool retro_serialize(void *data, size_t size); +RETRO_API bool retro_unserialize(const void *data, size_t size); + +RETRO_API void retro_cheat_reset(void); +RETRO_API void retro_cheat_set(unsigned index, bool enabled, const char *code); + +/* Loads a game. + * Return true to indicate successful loading and false to indicate load failure. + */ +RETRO_API bool retro_load_game(const struct retro_game_info *game); + +/* Loads a "special" kind of game. Should not be used, + * except in extreme cases. */ +RETRO_API bool retro_load_game_special( + unsigned game_type, + const struct retro_game_info *info, size_t num_info +); + +/* Unloads the currently loaded game. Called before retro_deinit(void). */ +RETRO_API void retro_unload_game(void); + +/* Gets region of game. */ +RETRO_API unsigned retro_get_region(void); + +/* Gets region of memory. */ +RETRO_API void *retro_get_memory_data(unsigned id); +RETRO_API size_t retro_get_memory_size(unsigned id); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libretro_loading.rs b/src/libretro_loading.rs new file mode 100644 index 0000000..b6fa3e4 --- /dev/null +++ b/src/libretro_loading.rs @@ -0,0 +1,103 @@ +use std::os::raw::{c_char, c_uint, c_void}; + +use failure::Fallible; +use libloading; + +use crate::libretro_types::*; + +pub struct LibretroApi<'a> { + pub retro_set_environment: libloading::Symbol<'a, unsafe extern "C" fn(arg1: retro_environment_t)>, + pub retro_set_video_refresh: libloading::Symbol<'a, unsafe extern "C" fn(arg1: retro_video_refresh_t)>, + pub retro_set_audio_sample: libloading::Symbol<'a, unsafe extern "C" fn(arg1: retro_audio_sample_t)>, + pub retro_set_audio_sample_batch: libloading::Symbol<'a, unsafe extern "C" fn(arg1: retro_audio_sample_batch_t)>, + pub retro_set_input_poll: libloading::Symbol<'a, unsafe extern "C" fn(arg1: retro_input_poll_t)>, + pub retro_set_input_state: libloading::Symbol<'a, unsafe extern "C" fn(arg1: retro_input_state_t)>, + pub retro_init: libloading::Symbol<'a, unsafe extern "C" fn()>, + pub retro_deinit: libloading::Symbol<'a, unsafe extern "C" fn()>, + pub retro_api_version: libloading::Symbol<'a, unsafe extern "C" fn() -> c_uint>, + pub retro_get_system_info: libloading::Symbol<'a, unsafe extern "C" fn(info: *mut retro_system_info)>, + pub retro_get_system_av_info: libloading::Symbol<'a, unsafe extern "C" fn(info: *mut retro_system_av_info)>, + pub retro_set_controller_port_device: libloading::Symbol<'a, unsafe extern "C" fn(port: c_uint, device: c_uint)>, + pub retro_reset: libloading::Symbol<'a, unsafe extern "C" fn()>, + pub retro_run: libloading::Symbol<'a, unsafe extern "C" fn()>, + pub retro_serialize_size: libloading::Symbol<'a, unsafe extern "C" fn() -> usize>, + pub retro_serialize: libloading::Symbol<'a, unsafe extern "C" fn(data: *mut c_void, size: usize) -> bool>, + pub retro_unserialize: libloading::Symbol<'a, unsafe extern "C" fn(data: *const c_void, size: usize) -> bool>, + pub retro_cheat_reset: libloading::Symbol<'a, unsafe extern "C" fn()>, + pub retro_cheat_set: libloading::Symbol<'a, unsafe extern "C" fn(index: c_uint, enabled: bool, code: *const c_char)>, + pub retro_load_game: libloading::Symbol<'a, unsafe extern "C" fn(game: *const retro_game_info) -> bool>, + pub retro_load_game_special: libloading::Symbol<'a, unsafe extern "C" fn(game_type: c_uint, info: *const retro_game_info, num_info: usize) -> bool>, + pub retro_unload_game: libloading::Symbol<'a, unsafe extern "C" fn()>, + pub retro_get_region: libloading::Symbol<'a, unsafe extern "C" fn() -> c_uint>, + pub retro_get_memory_data: libloading::Symbol<'a, unsafe extern "C" fn(id: c_uint) -> *mut c_void>, + pub retro_get_memory_size: libloading::Symbol<'a, unsafe extern "C" fn(id: c_uint) -> usize>, +} + +impl<'a> LibretroApi<'a> { + pub fn from_library(lib: &'a libloading::Library) -> Fallible { + unsafe { + Ok(LibretroApi { + retro_set_environment: lib.get(b"retro_set_environment")?, + retro_set_video_refresh: lib.get(b"retro_set_video_refresh")?, + retro_set_audio_sample: lib.get(b"retro_set_audio_sample")?, + retro_set_audio_sample_batch: lib.get(b"retro_set_audio_sample_batch")?, + retro_set_input_poll: lib.get(b"retro_set_input_poll")?, + retro_set_input_state: lib.get(b"retro_set_input_state")?, + retro_init: lib.get(b"retro_init")?, + retro_deinit: lib.get(b"retro_deinit")?, + retro_api_version: lib.get(b"retro_api_version")?, + retro_get_system_info: lib.get(b"retro_get_system_info")?, + retro_get_system_av_info: lib.get(b"retro_get_system_av_info")?, + retro_set_controller_port_device: lib.get(b"retro_set_controller_port_device")?, + retro_reset: lib.get(b"retro_reset")?, + retro_run: lib.get(b"retro_run")?, + retro_serialize_size: lib.get(b"retro_serialize_size")?, + retro_serialize: lib.get(b"retro_serialize")?, + retro_unserialize: lib.get(b"retro_unserialize")?, + retro_cheat_reset: lib.get(b"retro_cheat_reset")?, + retro_cheat_set: lib.get(b"retro_cheat_set")?, + retro_load_game: lib.get(b"retro_load_game")?, + retro_load_game_special: lib.get(b"retro_load_game_special")?, + retro_unload_game: lib.get(b"retro_unload_game")?, + retro_get_region: lib.get(b"retro_get_region")?, + retro_get_memory_data: lib.get(b"retro_get_memory_data")?, + retro_get_memory_size: lib.get(b"retro_get_memory_size")?, + }) + } + } + /// retro_set_environment() must be called before retro_init(). + pub fn init(&self) { + unsafe { + // TODO assert!(called retro_set_environment); + (&self.retro_init)(); + } + } + /// retro_set_environment() must be called before retro_init(). + pub fn retro_set_environment(&self, env: retro_environment_t) { + unsafe { + (&self.retro_set_environment)(env); + } + } + /** Gets statically known system info. + * Can be called at any time, even before retro_init(). */ + pub fn get_system_info(&self) -> retro_system_info { + unsafe { + let mut info = ::std::mem::zeroed::(); + (&self.retro_get_system_info)(&mut info); + info + } + } + /** Gets information about system audio/video timings and geometry. + * Can be called only after retro_load_game() has successfully completed. + * NOTE: The implementation of this function might not initialize every + * variable if needed. + * E.g. geom.aspect_ratio might not be initialized if core doesn't + * desire a particular aspect ratio. */ + pub fn get_system_av_info(&self) -> retro_system_av_info { + unsafe { + let mut av_info = ::std::mem::zeroed::(); + (&self.retro_get_system_av_info)(&mut av_info); + av_info + } + } +} diff --git a/src/libretro_types.rs b/src/libretro_types.rs new file mode 100644 index 0000000..5791f96 --- /dev/null +++ b/src/libretro_types.rs @@ -0,0 +1,3215 @@ +/* automatically generated by rust-bindgen */ + +pub const _STDINT_H: u32 = 1; +pub const _FEATURES_H: u32 = 1; +pub const _DEFAULT_SOURCE: u32 = 1; +pub const __USE_ISOC11: u32 = 1; +pub const __USE_ISOC99: u32 = 1; +pub const __USE_ISOC95: u32 = 1; +pub const __USE_POSIX_IMPLICITLY: u32 = 1; +pub const _POSIX_SOURCE: u32 = 1; +pub const _POSIX_C_SOURCE: u32 = 200809; +pub const __USE_POSIX: u32 = 1; +pub const __USE_POSIX2: u32 = 1; +pub const __USE_POSIX199309: u32 = 1; +pub const __USE_POSIX199506: u32 = 1; +pub const __USE_XOPEN2K: u32 = 1; +pub const __USE_XOPEN2K8: u32 = 1; +pub const _ATFILE_SOURCE: u32 = 1; +pub const __USE_MISC: u32 = 1; +pub const __USE_ATFILE: u32 = 1; +pub const __USE_FORTIFY_LEVEL: u32 = 0; +pub const __GLIBC_USE_DEPRECATED_GETS: u32 = 0; +pub const _STDC_PREDEF_H: u32 = 1; +pub const __STDC_IEC_559__: u32 = 1; +pub const __STDC_IEC_559_COMPLEX__: u32 = 1; +pub const __STDC_ISO_10646__: u32 = 201706; +pub const __GNU_LIBRARY__: u32 = 6; +pub const __GLIBC__: u32 = 2; +pub const __GLIBC_MINOR__: u32 = 28; +pub const _SYS_CDEFS_H: u32 = 1; +pub const __glibc_c99_flexarr_available: u32 = 1; +pub const __WORDSIZE: u32 = 64; +pub const __WORDSIZE_TIME64_COMPAT32: u32 = 1; +pub const __SYSCALL_WORDSIZE: u32 = 64; +pub const __HAVE_GENERIC_SELECTION: u32 = 1; +pub const __GLIBC_USE_LIB_EXT2: u32 = 0; +pub const __GLIBC_USE_IEC_60559_BFP_EXT: u32 = 0; +pub const __GLIBC_USE_IEC_60559_FUNCS_EXT: u32 = 0; +pub const __GLIBC_USE_IEC_60559_TYPES_EXT: u32 = 0; +pub const _BITS_TYPES_H: u32 = 1; +pub const _BITS_TYPESIZES_H: u32 = 1; +pub const __OFF_T_MATCHES_OFF64_T: u32 = 1; +pub const __INO_T_MATCHES_INO64_T: u32 = 1; +pub const __RLIM_T_MATCHES_RLIM64_T: u32 = 1; +pub const __FD_SETSIZE: u32 = 1024; +pub const _BITS_WCHAR_H: u32 = 1; +pub const _BITS_STDINT_INTN_H: u32 = 1; +pub const _BITS_STDINT_UINTN_H: u32 = 1; +pub const INT8_MIN: i32 = -128; +pub const INT16_MIN: i32 = -32768; +pub const INT32_MIN: i32 = -2147483648; +pub const INT8_MAX: u32 = 127; +pub const INT16_MAX: u32 = 32767; +pub const INT32_MAX: u32 = 2147483647; +pub const UINT8_MAX: u32 = 255; +pub const UINT16_MAX: u32 = 65535; +pub const UINT32_MAX: u32 = 4294967295; +pub const INT_LEAST8_MIN: i32 = -128; +pub const INT_LEAST16_MIN: i32 = -32768; +pub const INT_LEAST32_MIN: i32 = -2147483648; +pub const INT_LEAST8_MAX: u32 = 127; +pub const INT_LEAST16_MAX: u32 = 32767; +pub const INT_LEAST32_MAX: u32 = 2147483647; +pub const UINT_LEAST8_MAX: u32 = 255; +pub const UINT_LEAST16_MAX: u32 = 65535; +pub const UINT_LEAST32_MAX: u32 = 4294967295; +pub const INT_FAST8_MIN: i32 = -128; +pub const INT_FAST16_MIN: i64 = -9223372036854775808; +pub const INT_FAST32_MIN: i64 = -9223372036854775808; +pub const INT_FAST8_MAX: u32 = 127; +pub const INT_FAST16_MAX: u64 = 9223372036854775807; +pub const INT_FAST32_MAX: u64 = 9223372036854775807; +pub const UINT_FAST8_MAX: u32 = 255; +pub const UINT_FAST16_MAX: i32 = -1; +pub const UINT_FAST32_MAX: i32 = -1; +pub const INTPTR_MIN: i64 = -9223372036854775808; +pub const INTPTR_MAX: u64 = 9223372036854775807; +pub const UINTPTR_MAX: i32 = -1; +pub const PTRDIFF_MIN: i64 = -9223372036854775808; +pub const PTRDIFF_MAX: u64 = 9223372036854775807; +pub const SIG_ATOMIC_MIN: i32 = -2147483648; +pub const SIG_ATOMIC_MAX: u32 = 2147483647; +pub const SIZE_MAX: i32 = -1; +pub const WINT_MIN: u32 = 0; +pub const WINT_MAX: u32 = 4294967295; +pub const _LIBC_LIMITS_H_: u32 = 1; +pub const MB_LEN_MAX: u32 = 16; +pub const _BITS_POSIX1_LIM_H: u32 = 1; +pub const _POSIX_AIO_LISTIO_MAX: u32 = 2; +pub const _POSIX_AIO_MAX: u32 = 1; +pub const _POSIX_ARG_MAX: u32 = 4096; +pub const _POSIX_CHILD_MAX: u32 = 25; +pub const _POSIX_DELAYTIMER_MAX: u32 = 32; +pub const _POSIX_HOST_NAME_MAX: u32 = 255; +pub const _POSIX_LINK_MAX: u32 = 8; +pub const _POSIX_LOGIN_NAME_MAX: u32 = 9; +pub const _POSIX_MAX_CANON: u32 = 255; +pub const _POSIX_MAX_INPUT: u32 = 255; +pub const _POSIX_MQ_OPEN_MAX: u32 = 8; +pub const _POSIX_MQ_PRIO_MAX: u32 = 32; +pub const _POSIX_NAME_MAX: u32 = 14; +pub const _POSIX_NGROUPS_MAX: u32 = 8; +pub const _POSIX_OPEN_MAX: u32 = 20; +pub const _POSIX_PATH_MAX: u32 = 256; +pub const _POSIX_PIPE_BUF: u32 = 512; +pub const _POSIX_RE_DUP_MAX: u32 = 255; +pub const _POSIX_RTSIG_MAX: u32 = 8; +pub const _POSIX_SEM_NSEMS_MAX: u32 = 256; +pub const _POSIX_SEM_VALUE_MAX: u32 = 32767; +pub const _POSIX_SIGQUEUE_MAX: u32 = 32; +pub const _POSIX_SSIZE_MAX: u32 = 32767; +pub const _POSIX_STREAM_MAX: u32 = 8; +pub const _POSIX_SYMLINK_MAX: u32 = 255; +pub const _POSIX_SYMLOOP_MAX: u32 = 8; +pub const _POSIX_TIMER_MAX: u32 = 32; +pub const _POSIX_TTY_NAME_MAX: u32 = 9; +pub const _POSIX_TZNAME_MAX: u32 = 6; +pub const _POSIX_CLOCKRES_MIN: u32 = 20000000; +pub const NR_OPEN: u32 = 1024; +pub const NGROUPS_MAX: u32 = 65536; +pub const ARG_MAX: u32 = 131072; +pub const LINK_MAX: u32 = 127; +pub const MAX_CANON: u32 = 255; +pub const MAX_INPUT: u32 = 255; +pub const NAME_MAX: u32 = 255; +pub const PATH_MAX: u32 = 4096; +pub const PIPE_BUF: u32 = 4096; +pub const XATTR_NAME_MAX: u32 = 255; +pub const XATTR_SIZE_MAX: u32 = 65536; +pub const XATTR_LIST_MAX: u32 = 65536; +pub const RTSIG_MAX: u32 = 32; +pub const _POSIX_THREAD_KEYS_MAX: u32 = 128; +pub const PTHREAD_KEYS_MAX: u32 = 1024; +pub const _POSIX_THREAD_DESTRUCTOR_ITERATIONS: u32 = 4; +pub const PTHREAD_DESTRUCTOR_ITERATIONS: u32 = 4; +pub const _POSIX_THREAD_THREADS_MAX: u32 = 64; +pub const AIO_PRIO_DELTA_MAX: u32 = 20; +pub const PTHREAD_STACK_MIN: u32 = 16384; +pub const DELAYTIMER_MAX: u32 = 2147483647; +pub const TTY_NAME_MAX: u32 = 32; +pub const LOGIN_NAME_MAX: u32 = 256; +pub const HOST_NAME_MAX: u32 = 64; +pub const MQ_PRIO_MAX: u32 = 32768; +pub const SEM_VALUE_MAX: u32 = 2147483647; +pub const _BITS_POSIX2_LIM_H: u32 = 1; +pub const _POSIX2_BC_BASE_MAX: u32 = 99; +pub const _POSIX2_BC_DIM_MAX: u32 = 2048; +pub const _POSIX2_BC_SCALE_MAX: u32 = 99; +pub const _POSIX2_BC_STRING_MAX: u32 = 1000; +pub const _POSIX2_COLL_WEIGHTS_MAX: u32 = 2; +pub const _POSIX2_EXPR_NEST_MAX: u32 = 32; +pub const _POSIX2_LINE_MAX: u32 = 2048; +pub const _POSIX2_RE_DUP_MAX: u32 = 255; +pub const _POSIX2_CHARCLASS_NAME_MAX: u32 = 14; +pub const BC_BASE_MAX: u32 = 99; +pub const BC_DIM_MAX: u32 = 2048; +pub const BC_SCALE_MAX: u32 = 99; +pub const BC_STRING_MAX: u32 = 1000; +pub const COLL_WEIGHTS_MAX: u32 = 255; +pub const EXPR_NEST_MAX: u32 = 32; +pub const LINE_MAX: u32 = 2048; +pub const CHARCLASS_NAME_MAX: u32 = 2048; +pub const RE_DUP_MAX: u32 = 32767; +pub const true_: u32 = 1; +pub const false_: u32 = 0; +pub const __bool_true_false_are_defined: u32 = 1; +pub const RETRO_API_VERSION: u32 = 1; +pub const RETRO_DEVICE_TYPE_SHIFT: u32 = 8; +pub const RETRO_DEVICE_MASK: u32 = 255; +pub const RETRO_DEVICE_NONE: u32 = 0; +pub const RETRO_DEVICE_JOYPAD: u32 = 1; +pub const RETRO_DEVICE_MOUSE: u32 = 2; +pub const RETRO_DEVICE_KEYBOARD: u32 = 3; +pub const RETRO_DEVICE_LIGHTGUN: u32 = 4; +pub const RETRO_DEVICE_ANALOG: u32 = 5; +pub const RETRO_DEVICE_POINTER: u32 = 6; +pub const RETRO_DEVICE_ID_JOYPAD_B: u32 = 0; +pub const RETRO_DEVICE_ID_JOYPAD_Y: u32 = 1; +pub const RETRO_DEVICE_ID_JOYPAD_SELECT: u32 = 2; +pub const RETRO_DEVICE_ID_JOYPAD_START: u32 = 3; +pub const RETRO_DEVICE_ID_JOYPAD_UP: u32 = 4; +pub const RETRO_DEVICE_ID_JOYPAD_DOWN: u32 = 5; +pub const RETRO_DEVICE_ID_JOYPAD_LEFT: u32 = 6; +pub const RETRO_DEVICE_ID_JOYPAD_RIGHT: u32 = 7; +pub const RETRO_DEVICE_ID_JOYPAD_A: u32 = 8; +pub const RETRO_DEVICE_ID_JOYPAD_X: u32 = 9; +pub const RETRO_DEVICE_ID_JOYPAD_L: u32 = 10; +pub const RETRO_DEVICE_ID_JOYPAD_R: u32 = 11; +pub const RETRO_DEVICE_ID_JOYPAD_L2: u32 = 12; +pub const RETRO_DEVICE_ID_JOYPAD_R2: u32 = 13; +pub const RETRO_DEVICE_ID_JOYPAD_L3: u32 = 14; +pub const RETRO_DEVICE_ID_JOYPAD_R3: u32 = 15; +pub const RETRO_DEVICE_INDEX_ANALOG_LEFT: u32 = 0; +pub const RETRO_DEVICE_INDEX_ANALOG_RIGHT: u32 = 1; +pub const RETRO_DEVICE_INDEX_ANALOG_BUTTON: u32 = 2; +pub const RETRO_DEVICE_ID_ANALOG_X: u32 = 0; +pub const RETRO_DEVICE_ID_ANALOG_Y: u32 = 1; +pub const RETRO_DEVICE_ID_MOUSE_X: u32 = 0; +pub const RETRO_DEVICE_ID_MOUSE_Y: u32 = 1; +pub const RETRO_DEVICE_ID_MOUSE_LEFT: u32 = 2; +pub const RETRO_DEVICE_ID_MOUSE_RIGHT: u32 = 3; +pub const RETRO_DEVICE_ID_MOUSE_WHEELUP: u32 = 4; +pub const RETRO_DEVICE_ID_MOUSE_WHEELDOWN: u32 = 5; +pub const RETRO_DEVICE_ID_MOUSE_MIDDLE: u32 = 6; +pub const RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP: u32 = 7; +pub const RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN: u32 = 8; +pub const RETRO_DEVICE_ID_MOUSE_BUTTON_4: u32 = 9; +pub const RETRO_DEVICE_ID_MOUSE_BUTTON_5: u32 = 10; +pub const RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X: u32 = 13; +pub const RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y: u32 = 14; +pub const RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN: u32 = 15; +pub const RETRO_DEVICE_ID_LIGHTGUN_TRIGGER: u32 = 2; +pub const RETRO_DEVICE_ID_LIGHTGUN_RELOAD: u32 = 16; +pub const RETRO_DEVICE_ID_LIGHTGUN_AUX_A: u32 = 3; +pub const RETRO_DEVICE_ID_LIGHTGUN_AUX_B: u32 = 4; +pub const RETRO_DEVICE_ID_LIGHTGUN_START: u32 = 6; +pub const RETRO_DEVICE_ID_LIGHTGUN_SELECT: u32 = 7; +pub const RETRO_DEVICE_ID_LIGHTGUN_AUX_C: u32 = 8; +pub const RETRO_DEVICE_ID_LIGHTGUN_DPAD_UP: u32 = 9; +pub const RETRO_DEVICE_ID_LIGHTGUN_DPAD_DOWN: u32 = 10; +pub const RETRO_DEVICE_ID_LIGHTGUN_DPAD_LEFT: u32 = 11; +pub const RETRO_DEVICE_ID_LIGHTGUN_DPAD_RIGHT: u32 = 12; +pub const RETRO_DEVICE_ID_LIGHTGUN_X: u32 = 0; +pub const RETRO_DEVICE_ID_LIGHTGUN_Y: u32 = 1; +pub const RETRO_DEVICE_ID_LIGHTGUN_CURSOR: u32 = 3; +pub const RETRO_DEVICE_ID_LIGHTGUN_TURBO: u32 = 4; +pub const RETRO_DEVICE_ID_LIGHTGUN_PAUSE: u32 = 5; +pub const RETRO_DEVICE_ID_POINTER_X: u32 = 0; +pub const RETRO_DEVICE_ID_POINTER_Y: u32 = 1; +pub const RETRO_DEVICE_ID_POINTER_PRESSED: u32 = 2; +pub const RETRO_REGION_NTSC: u32 = 0; +pub const RETRO_REGION_PAL: u32 = 1; +pub const RETRO_MEMORY_MASK: u32 = 255; +pub const RETRO_MEMORY_SAVE_RAM: u32 = 0; +pub const RETRO_MEMORY_RTC: u32 = 1; +pub const RETRO_MEMORY_SYSTEM_RAM: u32 = 2; +pub const RETRO_MEMORY_VIDEO_RAM: u32 = 3; +pub const RETRO_ENVIRONMENT_EXPERIMENTAL: u32 = 65536; +pub const RETRO_ENVIRONMENT_PRIVATE: u32 = 131072; +pub const RETRO_ENVIRONMENT_SET_ROTATION: u32 = 1; +pub const RETRO_ENVIRONMENT_GET_OVERSCAN: u32 = 2; +pub const RETRO_ENVIRONMENT_GET_CAN_DUPE: u32 = 3; +pub const RETRO_ENVIRONMENT_SET_MESSAGE: u32 = 6; +pub const RETRO_ENVIRONMENT_SHUTDOWN: u32 = 7; +pub const RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL: u32 = 8; +pub const RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY: u32 = 9; +pub const RETRO_ENVIRONMENT_SET_PIXEL_FORMAT: u32 = 10; +pub const RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS: u32 = 11; +pub const RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK: u32 = 12; +pub const RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE: u32 = 13; +pub const RETRO_ENVIRONMENT_SET_HW_RENDER: u32 = 14; +pub const RETRO_ENVIRONMENT_GET_VARIABLE: u32 = 15; +pub const RETRO_ENVIRONMENT_SET_VARIABLES: u32 = 16; +pub const RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE: u32 = 17; +pub const RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME: u32 = 18; +pub const RETRO_ENVIRONMENT_GET_LIBRETRO_PATH: u32 = 19; +pub const RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK: u32 = 21; +pub const RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK: u32 = 22; +pub const RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE: u32 = 23; +pub const RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES: u32 = 24; +pub const RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE: u32 = 65561; +pub const RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE: u32 = 65562; +pub const RETRO_ENVIRONMENT_GET_LOG_INTERFACE: u32 = 27; +pub const RETRO_ENVIRONMENT_GET_PERF_INTERFACE: u32 = 28; +pub const RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE: u32 = 29; +pub const RETRO_ENVIRONMENT_GET_CONTENT_DIRECTORY: u32 = 30; +pub const RETRO_ENVIRONMENT_GET_CORE_ASSETS_DIRECTORY: u32 = 30; +pub const RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY: u32 = 31; +pub const RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO: u32 = 32; +pub const RETRO_ENVIRONMENT_SET_PROC_ADDRESS_CALLBACK: u32 = 33; +pub const RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO: u32 = 34; +pub const RETRO_ENVIRONMENT_SET_CONTROLLER_INFO: u32 = 35; +pub const RETRO_ENVIRONMENT_SET_MEMORY_MAPS: u32 = 65572; +pub const RETRO_ENVIRONMENT_SET_GEOMETRY: u32 = 37; +pub const RETRO_ENVIRONMENT_GET_USERNAME: u32 = 38; +pub const RETRO_ENVIRONMENT_GET_LANGUAGE: u32 = 39; +pub const RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER: u32 = 65576; +pub const RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE: u32 = 65577; +pub const RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS: u32 = 65578; +pub const RETRO_ENVIRONMENT_SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE: u32 = 65579; +pub const RETRO_ENVIRONMENT_SET_SERIALIZATION_QUIRKS: u32 = 44; +pub const RETRO_ENVIRONMENT_SET_HW_SHARED_CONTEXT: u32 = 65580; +pub const RETRO_ENVIRONMENT_GET_VFS_INTERFACE: u32 = 65581; +pub const RETRO_ENVIRONMENT_GET_LED_INTERFACE: u32 = 65582; +pub const RETRO_ENVIRONMENT_GET_AUDIO_VIDEO_ENABLE: u32 = 65583; +pub const RETRO_ENVIRONMENT_GET_MIDI_INTERFACE: u32 = 65584; +pub const RETRO_ENVIRONMENT_GET_FASTFORWARDING: u32 = 65585; +pub const RETRO_VFS_FILE_ACCESS_READ: u32 = 1; +pub const RETRO_VFS_FILE_ACCESS_WRITE: u32 = 2; +pub const RETRO_VFS_FILE_ACCESS_READ_WRITE: u32 = 3; +pub const RETRO_VFS_FILE_ACCESS_UPDATE_EXISTING: u32 = 4; +pub const RETRO_VFS_FILE_ACCESS_HINT_NONE: u32 = 0; +pub const RETRO_VFS_FILE_ACCESS_HINT_FREQUENT_ACCESS: u32 = 1; +pub const RETRO_VFS_SEEK_POSITION_START: u32 = 0; +pub const RETRO_VFS_SEEK_POSITION_CURRENT: u32 = 1; +pub const RETRO_VFS_SEEK_POSITION_END: u32 = 2; +pub const RETRO_SERIALIZATION_QUIRK_INCOMPLETE: u32 = 1; +pub const RETRO_SERIALIZATION_QUIRK_MUST_INITIALIZE: u32 = 2; +pub const RETRO_SERIALIZATION_QUIRK_CORE_VARIABLE_SIZE: u32 = 4; +pub const RETRO_SERIALIZATION_QUIRK_FRONT_VARIABLE_SIZE: u32 = 8; +pub const RETRO_SERIALIZATION_QUIRK_SINGLE_SESSION: u32 = 16; +pub const RETRO_SERIALIZATION_QUIRK_ENDIAN_DEPENDENT: u32 = 32; +pub const RETRO_SERIALIZATION_QUIRK_PLATFORM_DEPENDENT: u32 = 64; +pub const RETRO_MEMDESC_CONST: u32 = 1; +pub const RETRO_MEMDESC_BIGENDIAN: u32 = 2; +pub const RETRO_MEMDESC_SYSTEM_RAM: u32 = 4; +pub const RETRO_MEMDESC_SAVE_RAM: u32 = 8; +pub const RETRO_MEMDESC_VIDEO_RAM: u32 = 16; +pub const RETRO_MEMDESC_ALIGN_2: u32 = 65536; +pub const RETRO_MEMDESC_ALIGN_4: u32 = 131072; +pub const RETRO_MEMDESC_ALIGN_8: u32 = 196608; +pub const RETRO_MEMDESC_MINSIZE_2: u32 = 16777216; +pub const RETRO_MEMDESC_MINSIZE_4: u32 = 33554432; +pub const RETRO_MEMDESC_MINSIZE_8: u32 = 50331648; +pub const RETRO_SIMD_SSE: u32 = 1; +pub const RETRO_SIMD_SSE2: u32 = 2; +pub const RETRO_SIMD_VMX: u32 = 4; +pub const RETRO_SIMD_VMX128: u32 = 8; +pub const RETRO_SIMD_AVX: u32 = 16; +pub const RETRO_SIMD_NEON: u32 = 32; +pub const RETRO_SIMD_SSE3: u32 = 64; +pub const RETRO_SIMD_SSSE3: u32 = 128; +pub const RETRO_SIMD_MMX: u32 = 256; +pub const RETRO_SIMD_MMXEXT: u32 = 512; +pub const RETRO_SIMD_SSE4: u32 = 1024; +pub const RETRO_SIMD_SSE42: u32 = 2048; +pub const RETRO_SIMD_AVX2: u32 = 4096; +pub const RETRO_SIMD_VFPU: u32 = 8192; +pub const RETRO_SIMD_PS: u32 = 16384; +pub const RETRO_SIMD_AES: u32 = 32768; +pub const RETRO_SIMD_VFPV3: u32 = 65536; +pub const RETRO_SIMD_VFPV4: u32 = 131072; +pub const RETRO_SIMD_POPCNT: u32 = 262144; +pub const RETRO_SIMD_MOVBE: u32 = 524288; +pub const RETRO_SIMD_CMOV: u32 = 1048576; +pub const RETRO_SIMD_ASIMD: u32 = 2097152; +pub const RETRO_SENSOR_ACCELEROMETER_X: u32 = 0; +pub const RETRO_SENSOR_ACCELEROMETER_Y: u32 = 1; +pub const RETRO_SENSOR_ACCELEROMETER_Z: u32 = 2; +pub const RETRO_MEMORY_ACCESS_WRITE: u32 = 1; +pub const RETRO_MEMORY_ACCESS_READ: u32 = 2; +pub const RETRO_MEMORY_TYPE_CACHED: u32 = 1; +pub type __u_char = ::std::os::raw::c_uchar; +pub type __u_short = ::std::os::raw::c_ushort; +pub type __u_int = ::std::os::raw::c_uint; +pub type __u_long = ::std::os::raw::c_ulong; +pub type __int8_t = ::std::os::raw::c_schar; +pub type __uint8_t = ::std::os::raw::c_uchar; +pub type __int16_t = ::std::os::raw::c_short; +pub type __uint16_t = ::std::os::raw::c_ushort; +pub type __int32_t = ::std::os::raw::c_int; +pub type __uint32_t = ::std::os::raw::c_uint; +pub type __int64_t = ::std::os::raw::c_long; +pub type __uint64_t = ::std::os::raw::c_ulong; +pub type __int_least8_t = __int8_t; +pub type __uint_least8_t = __uint8_t; +pub type __int_least16_t = __int16_t; +pub type __uint_least16_t = __uint16_t; +pub type __int_least32_t = __int32_t; +pub type __uint_least32_t = __uint32_t; +pub type __int_least64_t = __int64_t; +pub type __uint_least64_t = __uint64_t; +pub type __quad_t = ::std::os::raw::c_long; +pub type __u_quad_t = ::std::os::raw::c_ulong; +pub type __intmax_t = ::std::os::raw::c_long; +pub type __uintmax_t = ::std::os::raw::c_ulong; +pub type __dev_t = ::std::os::raw::c_ulong; +pub type __uid_t = ::std::os::raw::c_uint; +pub type __gid_t = ::std::os::raw::c_uint; +pub type __ino_t = ::std::os::raw::c_ulong; +pub type __ino64_t = ::std::os::raw::c_ulong; +pub type __mode_t = ::std::os::raw::c_uint; +pub type __nlink_t = ::std::os::raw::c_ulong; +pub type __off_t = ::std::os::raw::c_long; +pub type __off64_t = ::std::os::raw::c_long; +pub type __pid_t = ::std::os::raw::c_int; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct __fsid_t { + pub __val: [::std::os::raw::c_int; 2usize], +} +#[test] +fn bindgen_test_layout___fsid_t() { + assert_eq!( + ::std::mem::size_of::<__fsid_t>(), + 8usize, + concat!("Size of: ", stringify!(__fsid_t)) + ); + assert_eq!( + ::std::mem::align_of::<__fsid_t>(), + 4usize, + concat!("Alignment of ", stringify!(__fsid_t)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::<__fsid_t>())).__val as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(__fsid_t), + "::", + stringify!(__val) + ) + ); +} +pub type __clock_t = ::std::os::raw::c_long; +pub type __rlim_t = ::std::os::raw::c_ulong; +pub type __rlim64_t = ::std::os::raw::c_ulong; +pub type __id_t = ::std::os::raw::c_uint; +pub type __time_t = ::std::os::raw::c_long; +pub type __useconds_t = ::std::os::raw::c_uint; +pub type __suseconds_t = ::std::os::raw::c_long; +pub type __daddr_t = ::std::os::raw::c_int; +pub type __key_t = ::std::os::raw::c_int; +pub type __clockid_t = ::std::os::raw::c_int; +pub type __timer_t = *mut ::std::os::raw::c_void; +pub type __blksize_t = ::std::os::raw::c_long; +pub type __blkcnt_t = ::std::os::raw::c_long; +pub type __blkcnt64_t = ::std::os::raw::c_long; +pub type __fsblkcnt_t = ::std::os::raw::c_ulong; +pub type __fsblkcnt64_t = ::std::os::raw::c_ulong; +pub type __fsfilcnt_t = ::std::os::raw::c_ulong; +pub type __fsfilcnt64_t = ::std::os::raw::c_ulong; +pub type __fsword_t = ::std::os::raw::c_long; +pub type __ssize_t = ::std::os::raw::c_long; +pub type __syscall_slong_t = ::std::os::raw::c_long; +pub type __syscall_ulong_t = ::std::os::raw::c_ulong; +pub type __loff_t = __off64_t; +pub type __caddr_t = *mut ::std::os::raw::c_char; +pub type __intptr_t = ::std::os::raw::c_long; +pub type __socklen_t = ::std::os::raw::c_uint; +pub type __sig_atomic_t = ::std::os::raw::c_int; +pub type int_least8_t = __int_least8_t; +pub type int_least16_t = __int_least16_t; +pub type int_least32_t = __int_least32_t; +pub type int_least64_t = __int_least64_t; +pub type uint_least8_t = __uint_least8_t; +pub type uint_least16_t = __uint_least16_t; +pub type uint_least32_t = __uint_least32_t; +pub type uint_least64_t = __uint_least64_t; +pub type int_fast8_t = ::std::os::raw::c_schar; +pub type int_fast16_t = ::std::os::raw::c_long; +pub type int_fast32_t = ::std::os::raw::c_long; +pub type int_fast64_t = ::std::os::raw::c_long; +pub type uint_fast8_t = ::std::os::raw::c_uchar; +pub type uint_fast16_t = ::std::os::raw::c_ulong; +pub type uint_fast32_t = ::std::os::raw::c_ulong; +pub type uint_fast64_t = ::std::os::raw::c_ulong; +pub type intmax_t = __intmax_t; +pub type uintmax_t = __uintmax_t; +pub type wchar_t = ::std::os::raw::c_int; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct max_align_t { + pub __clang_max_align_nonce1: ::std::os::raw::c_longlong, + pub __bindgen_padding_0: u64, + pub __clang_max_align_nonce2: f64, +} +#[test] +fn bindgen_test_layout_max_align_t() { + assert_eq!( + ::std::mem::size_of::(), + 32usize, + concat!("Size of: ", stringify!(max_align_t)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).__clang_max_align_nonce1 as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(max_align_t), + "::", + stringify!(__clang_max_align_nonce1) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).__clang_max_align_nonce2 as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(max_align_t), + "::", + stringify!(__clang_max_align_nonce2) + ) + ); +} +pub const retro_language_RETRO_LANGUAGE_ENGLISH: retro_language = 0; +pub const retro_language_RETRO_LANGUAGE_JAPANESE: retro_language = 1; +pub const retro_language_RETRO_LANGUAGE_FRENCH: retro_language = 2; +pub const retro_language_RETRO_LANGUAGE_SPANISH: retro_language = 3; +pub const retro_language_RETRO_LANGUAGE_GERMAN: retro_language = 4; +pub const retro_language_RETRO_LANGUAGE_ITALIAN: retro_language = 5; +pub const retro_language_RETRO_LANGUAGE_DUTCH: retro_language = 6; +pub const retro_language_RETRO_LANGUAGE_PORTUGUESE_BRAZIL: retro_language = 7; +pub const retro_language_RETRO_LANGUAGE_PORTUGUESE_PORTUGAL: retro_language = 8; +pub const retro_language_RETRO_LANGUAGE_RUSSIAN: retro_language = 9; +pub const retro_language_RETRO_LANGUAGE_KOREAN: retro_language = 10; +pub const retro_language_RETRO_LANGUAGE_CHINESE_TRADITIONAL: retro_language = 11; +pub const retro_language_RETRO_LANGUAGE_CHINESE_SIMPLIFIED: retro_language = 12; +pub const retro_language_RETRO_LANGUAGE_ESPERANTO: retro_language = 13; +pub const retro_language_RETRO_LANGUAGE_POLISH: retro_language = 14; +pub const retro_language_RETRO_LANGUAGE_VIETNAMESE: retro_language = 15; +pub const retro_language_RETRO_LANGUAGE_ARABIC: retro_language = 16; +pub const retro_language_RETRO_LANGUAGE_GREEK: retro_language = 17; +pub const retro_language_RETRO_LANGUAGE_LAST: retro_language = 18; +pub const retro_language_RETRO_LANGUAGE_DUMMY: retro_language = 2147483647; +pub type retro_language = u32; +pub const retro_key_RETROK_UNKNOWN: retro_key = 0; +pub const retro_key_RETROK_FIRST: retro_key = 0; +pub const retro_key_RETROK_BACKSPACE: retro_key = 8; +pub const retro_key_RETROK_TAB: retro_key = 9; +pub const retro_key_RETROK_CLEAR: retro_key = 12; +pub const retro_key_RETROK_RETURN: retro_key = 13; +pub const retro_key_RETROK_PAUSE: retro_key = 19; +pub const retro_key_RETROK_ESCAPE: retro_key = 27; +pub const retro_key_RETROK_SPACE: retro_key = 32; +pub const retro_key_RETROK_EXCLAIM: retro_key = 33; +pub const retro_key_RETROK_QUOTEDBL: retro_key = 34; +pub const retro_key_RETROK_HASH: retro_key = 35; +pub const retro_key_RETROK_DOLLAR: retro_key = 36; +pub const retro_key_RETROK_AMPERSAND: retro_key = 38; +pub const retro_key_RETROK_QUOTE: retro_key = 39; +pub const retro_key_RETROK_LEFTPAREN: retro_key = 40; +pub const retro_key_RETROK_RIGHTPAREN: retro_key = 41; +pub const retro_key_RETROK_ASTERISK: retro_key = 42; +pub const retro_key_RETROK_PLUS: retro_key = 43; +pub const retro_key_RETROK_COMMA: retro_key = 44; +pub const retro_key_RETROK_MINUS: retro_key = 45; +pub const retro_key_RETROK_PERIOD: retro_key = 46; +pub const retro_key_RETROK_SLASH: retro_key = 47; +pub const retro_key_RETROK_0: retro_key = 48; +pub const retro_key_RETROK_1: retro_key = 49; +pub const retro_key_RETROK_2: retro_key = 50; +pub const retro_key_RETROK_3: retro_key = 51; +pub const retro_key_RETROK_4: retro_key = 52; +pub const retro_key_RETROK_5: retro_key = 53; +pub const retro_key_RETROK_6: retro_key = 54; +pub const retro_key_RETROK_7: retro_key = 55; +pub const retro_key_RETROK_8: retro_key = 56; +pub const retro_key_RETROK_9: retro_key = 57; +pub const retro_key_RETROK_COLON: retro_key = 58; +pub const retro_key_RETROK_SEMICOLON: retro_key = 59; +pub const retro_key_RETROK_LESS: retro_key = 60; +pub const retro_key_RETROK_EQUALS: retro_key = 61; +pub const retro_key_RETROK_GREATER: retro_key = 62; +pub const retro_key_RETROK_QUESTION: retro_key = 63; +pub const retro_key_RETROK_AT: retro_key = 64; +pub const retro_key_RETROK_LEFTBRACKET: retro_key = 91; +pub const retro_key_RETROK_BACKSLASH: retro_key = 92; +pub const retro_key_RETROK_RIGHTBRACKET: retro_key = 93; +pub const retro_key_RETROK_CARET: retro_key = 94; +pub const retro_key_RETROK_UNDERSCORE: retro_key = 95; +pub const retro_key_RETROK_BACKQUOTE: retro_key = 96; +pub const retro_key_RETROK_a: retro_key = 97; +pub const retro_key_RETROK_b: retro_key = 98; +pub const retro_key_RETROK_c: retro_key = 99; +pub const retro_key_RETROK_d: retro_key = 100; +pub const retro_key_RETROK_e: retro_key = 101; +pub const retro_key_RETROK_f: retro_key = 102; +pub const retro_key_RETROK_g: retro_key = 103; +pub const retro_key_RETROK_h: retro_key = 104; +pub const retro_key_RETROK_i: retro_key = 105; +pub const retro_key_RETROK_j: retro_key = 106; +pub const retro_key_RETROK_k: retro_key = 107; +pub const retro_key_RETROK_l: retro_key = 108; +pub const retro_key_RETROK_m: retro_key = 109; +pub const retro_key_RETROK_n: retro_key = 110; +pub const retro_key_RETROK_o: retro_key = 111; +pub const retro_key_RETROK_p: retro_key = 112; +pub const retro_key_RETROK_q: retro_key = 113; +pub const retro_key_RETROK_r: retro_key = 114; +pub const retro_key_RETROK_s: retro_key = 115; +pub const retro_key_RETROK_t: retro_key = 116; +pub const retro_key_RETROK_u: retro_key = 117; +pub const retro_key_RETROK_v: retro_key = 118; +pub const retro_key_RETROK_w: retro_key = 119; +pub const retro_key_RETROK_x: retro_key = 120; +pub const retro_key_RETROK_y: retro_key = 121; +pub const retro_key_RETROK_z: retro_key = 122; +pub const retro_key_RETROK_LEFTBRACE: retro_key = 123; +pub const retro_key_RETROK_BAR: retro_key = 124; +pub const retro_key_RETROK_RIGHTBRACE: retro_key = 125; +pub const retro_key_RETROK_TILDE: retro_key = 126; +pub const retro_key_RETROK_DELETE: retro_key = 127; +pub const retro_key_RETROK_KP0: retro_key = 256; +pub const retro_key_RETROK_KP1: retro_key = 257; +pub const retro_key_RETROK_KP2: retro_key = 258; +pub const retro_key_RETROK_KP3: retro_key = 259; +pub const retro_key_RETROK_KP4: retro_key = 260; +pub const retro_key_RETROK_KP5: retro_key = 261; +pub const retro_key_RETROK_KP6: retro_key = 262; +pub const retro_key_RETROK_KP7: retro_key = 263; +pub const retro_key_RETROK_KP8: retro_key = 264; +pub const retro_key_RETROK_KP9: retro_key = 265; +pub const retro_key_RETROK_KP_PERIOD: retro_key = 266; +pub const retro_key_RETROK_KP_DIVIDE: retro_key = 267; +pub const retro_key_RETROK_KP_MULTIPLY: retro_key = 268; +pub const retro_key_RETROK_KP_MINUS: retro_key = 269; +pub const retro_key_RETROK_KP_PLUS: retro_key = 270; +pub const retro_key_RETROK_KP_ENTER: retro_key = 271; +pub const retro_key_RETROK_KP_EQUALS: retro_key = 272; +pub const retro_key_RETROK_UP: retro_key = 273; +pub const retro_key_RETROK_DOWN: retro_key = 274; +pub const retro_key_RETROK_RIGHT: retro_key = 275; +pub const retro_key_RETROK_LEFT: retro_key = 276; +pub const retro_key_RETROK_INSERT: retro_key = 277; +pub const retro_key_RETROK_HOME: retro_key = 278; +pub const retro_key_RETROK_END: retro_key = 279; +pub const retro_key_RETROK_PAGEUP: retro_key = 280; +pub const retro_key_RETROK_PAGEDOWN: retro_key = 281; +pub const retro_key_RETROK_F1: retro_key = 282; +pub const retro_key_RETROK_F2: retro_key = 283; +pub const retro_key_RETROK_F3: retro_key = 284; +pub const retro_key_RETROK_F4: retro_key = 285; +pub const retro_key_RETROK_F5: retro_key = 286; +pub const retro_key_RETROK_F6: retro_key = 287; +pub const retro_key_RETROK_F7: retro_key = 288; +pub const retro_key_RETROK_F8: retro_key = 289; +pub const retro_key_RETROK_F9: retro_key = 290; +pub const retro_key_RETROK_F10: retro_key = 291; +pub const retro_key_RETROK_F11: retro_key = 292; +pub const retro_key_RETROK_F12: retro_key = 293; +pub const retro_key_RETROK_F13: retro_key = 294; +pub const retro_key_RETROK_F14: retro_key = 295; +pub const retro_key_RETROK_F15: retro_key = 296; +pub const retro_key_RETROK_NUMLOCK: retro_key = 300; +pub const retro_key_RETROK_CAPSLOCK: retro_key = 301; +pub const retro_key_RETROK_SCROLLOCK: retro_key = 302; +pub const retro_key_RETROK_RSHIFT: retro_key = 303; +pub const retro_key_RETROK_LSHIFT: retro_key = 304; +pub const retro_key_RETROK_RCTRL: retro_key = 305; +pub const retro_key_RETROK_LCTRL: retro_key = 306; +pub const retro_key_RETROK_RALT: retro_key = 307; +pub const retro_key_RETROK_LALT: retro_key = 308; +pub const retro_key_RETROK_RMETA: retro_key = 309; +pub const retro_key_RETROK_LMETA: retro_key = 310; +pub const retro_key_RETROK_LSUPER: retro_key = 311; +pub const retro_key_RETROK_RSUPER: retro_key = 312; +pub const retro_key_RETROK_MODE: retro_key = 313; +pub const retro_key_RETROK_COMPOSE: retro_key = 314; +pub const retro_key_RETROK_HELP: retro_key = 315; +pub const retro_key_RETROK_PRINT: retro_key = 316; +pub const retro_key_RETROK_SYSREQ: retro_key = 317; +pub const retro_key_RETROK_BREAK: retro_key = 318; +pub const retro_key_RETROK_MENU: retro_key = 319; +pub const retro_key_RETROK_POWER: retro_key = 320; +pub const retro_key_RETROK_EURO: retro_key = 321; +pub const retro_key_RETROK_UNDO: retro_key = 322; +pub const retro_key_RETROK_OEM_102: retro_key = 323; +pub const retro_key_RETROK_LAST: retro_key = 324; +pub const retro_key_RETROK_DUMMY: retro_key = 2147483647; +pub type retro_key = u32; +pub const retro_mod_RETROKMOD_NONE: retro_mod = 0; +pub const retro_mod_RETROKMOD_SHIFT: retro_mod = 1; +pub const retro_mod_RETROKMOD_CTRL: retro_mod = 2; +pub const retro_mod_RETROKMOD_ALT: retro_mod = 4; +pub const retro_mod_RETROKMOD_META: retro_mod = 8; +pub const retro_mod_RETROKMOD_NUMLOCK: retro_mod = 16; +pub const retro_mod_RETROKMOD_CAPSLOCK: retro_mod = 32; +pub const retro_mod_RETROKMOD_SCROLLOCK: retro_mod = 64; +pub const retro_mod_RETROKMOD_DUMMY: retro_mod = 2147483647; +pub type retro_mod = u32; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_vfs_file_handle { + _unused: [u8; 0], +} +pub type retro_vfs_get_path_t = ::std::option::Option< + unsafe extern "C" fn(stream: *mut retro_vfs_file_handle) -> *const ::std::os::raw::c_char, +>; +pub type retro_vfs_open_t = ::std::option::Option< + unsafe extern "C" fn( + path: *const ::std::os::raw::c_char, + mode: ::std::os::raw::c_uint, + hints: ::std::os::raw::c_uint, + ) -> *mut retro_vfs_file_handle, +>; +pub type retro_vfs_close_t = ::std::option::Option< + unsafe extern "C" fn(stream: *mut retro_vfs_file_handle) -> ::std::os::raw::c_int, +>; +pub type retro_vfs_size_t = + ::std::option::Option i64>; +pub type retro_vfs_truncate_t = ::std::option::Option< + unsafe extern "C" fn(stream: *mut retro_vfs_file_handle, length: i64) -> i64, +>; +pub type retro_vfs_tell_t = + ::std::option::Option i64>; +pub type retro_vfs_seek_t = ::std::option::Option< + unsafe extern "C" fn( + stream: *mut retro_vfs_file_handle, + offset: i64, + seek_position: ::std::os::raw::c_int, + ) -> i64, +>; +pub type retro_vfs_read_t = ::std::option::Option< + unsafe extern "C" fn( + stream: *mut retro_vfs_file_handle, + s: *mut ::std::os::raw::c_void, + len: u64, + ) -> i64, +>; +pub type retro_vfs_write_t = ::std::option::Option< + unsafe extern "C" fn( + stream: *mut retro_vfs_file_handle, + s: *const ::std::os::raw::c_void, + len: u64, + ) -> i64, +>; +pub type retro_vfs_flush_t = ::std::option::Option< + unsafe extern "C" fn(stream: *mut retro_vfs_file_handle) -> ::std::os::raw::c_int, +>; +pub type retro_vfs_remove_t = ::std::option::Option< + unsafe extern "C" fn(path: *const ::std::os::raw::c_char) -> ::std::os::raw::c_int, +>; +pub type retro_vfs_rename_t = ::std::option::Option< + unsafe extern "C" fn( + old_path: *const ::std::os::raw::c_char, + new_path: *const ::std::os::raw::c_char, + ) -> ::std::os::raw::c_int, +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_vfs_interface { + pub get_path: retro_vfs_get_path_t, + pub open: retro_vfs_open_t, + pub close: retro_vfs_close_t, + pub size: retro_vfs_size_t, + pub tell: retro_vfs_tell_t, + pub seek: retro_vfs_seek_t, + pub read: retro_vfs_read_t, + pub write: retro_vfs_write_t, + pub flush: retro_vfs_flush_t, + pub remove: retro_vfs_remove_t, + pub rename: retro_vfs_rename_t, + pub truncate: retro_vfs_truncate_t, +} +#[test] +fn bindgen_test_layout_retro_vfs_interface() { + assert_eq!( + ::std::mem::size_of::(), + 96usize, + concat!("Size of: ", stringify!(retro_vfs_interface)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_vfs_interface)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).get_path as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(get_path) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).open as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(open) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).close as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(close) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).size as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(size) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).tell as *const _ as usize }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(tell) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).seek as *const _ as usize }, + 40usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(seek) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).read as *const _ as usize }, + 48usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(read) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).write as *const _ as usize }, + 56usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(write) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).flush as *const _ as usize }, + 64usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(flush) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).remove as *const _ as usize }, + 72usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(remove) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).rename as *const _ as usize }, + 80usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(rename) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).truncate as *const _ as usize }, + 88usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface), + "::", + stringify!(truncate) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_vfs_interface_info { + pub required_interface_version: u32, + pub iface: *mut retro_vfs_interface, +} +#[test] +fn bindgen_test_layout_retro_vfs_interface_info() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_vfs_interface_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_vfs_interface_info)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).required_interface_version + as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface_info), + "::", + stringify!(required_interface_version) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).iface as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_vfs_interface_info), + "::", + stringify!(iface) + ) + ); +} +pub const retro_hw_render_interface_type_RETRO_HW_RENDER_INTERFACE_VULKAN: + retro_hw_render_interface_type = 0; +pub const retro_hw_render_interface_type_RETRO_HW_RENDER_INTERFACE_D3D9: + retro_hw_render_interface_type = 1; +pub const retro_hw_render_interface_type_RETRO_HW_RENDER_INTERFACE_D3D10: + retro_hw_render_interface_type = 2; +pub const retro_hw_render_interface_type_RETRO_HW_RENDER_INTERFACE_D3D11: + retro_hw_render_interface_type = 3; +pub const retro_hw_render_interface_type_RETRO_HW_RENDER_INTERFACE_D3D12: + retro_hw_render_interface_type = 4; +pub const retro_hw_render_interface_type_RETRO_HW_RENDER_INTERFACE_DUMMY: + retro_hw_render_interface_type = 2147483647; +pub type retro_hw_render_interface_type = u32; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_hw_render_interface { + pub interface_type: retro_hw_render_interface_type, + pub interface_version: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_hw_render_interface() { + assert_eq!( + ::std::mem::size_of::(), + 8usize, + concat!("Size of: ", stringify!(retro_hw_render_interface)) + ); + assert_eq!( + ::std::mem::align_of::(), + 4usize, + concat!("Alignment of ", stringify!(retro_hw_render_interface)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).interface_type as *const _ + as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_interface), + "::", + stringify!(interface_type) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).interface_version as *const _ + as usize + }, + 4usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_interface), + "::", + stringify!(interface_version) + ) + ); +} +pub type retro_set_led_state_t = ::std::option::Option< + unsafe extern "C" fn(led: ::std::os::raw::c_int, state: ::std::os::raw::c_int), +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_led_interface { + pub set_led_state: retro_set_led_state_t, +} +#[test] +fn bindgen_test_layout_retro_led_interface() { + assert_eq!( + ::std::mem::size_of::(), + 8usize, + concat!("Size of: ", stringify!(retro_led_interface)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_led_interface)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).set_led_state as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_led_interface), + "::", + stringify!(set_led_state) + ) + ); +} +pub type retro_midi_input_enabled_t = ::std::option::Option bool>; +pub type retro_midi_output_enabled_t = ::std::option::Option bool>; +pub type retro_midi_read_t = ::std::option::Option bool>; +pub type retro_midi_write_t = + ::std::option::Option bool>; +pub type retro_midi_flush_t = ::std::option::Option bool>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_midi_interface { + pub input_enabled: retro_midi_input_enabled_t, + pub output_enabled: retro_midi_output_enabled_t, + pub read: retro_midi_read_t, + pub write: retro_midi_write_t, + pub flush: retro_midi_flush_t, +} +#[test] +fn bindgen_test_layout_retro_midi_interface() { + assert_eq!( + ::std::mem::size_of::(), + 40usize, + concat!("Size of: ", stringify!(retro_midi_interface)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_midi_interface)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).input_enabled as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_midi_interface), + "::", + stringify!(input_enabled) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).output_enabled as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_midi_interface), + "::", + stringify!(output_enabled) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).read as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_midi_interface), + "::", + stringify!(read) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).write as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_midi_interface), + "::", + stringify!(write) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).flush as *const _ as usize }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_midi_interface), + "::", + stringify!(flush) + ) + ); +} +pub const retro_hw_render_context_negotiation_interface_type_RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_VULKAN : retro_hw_render_context_negotiation_interface_type = 0 ; +pub const retro_hw_render_context_negotiation_interface_type_RETRO_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE_DUMMY : retro_hw_render_context_negotiation_interface_type = 2147483647 ; +pub type retro_hw_render_context_negotiation_interface_type = u32; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_hw_render_context_negotiation_interface { + pub interface_type: retro_hw_render_context_negotiation_interface_type, + pub interface_version: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_hw_render_context_negotiation_interface() { + assert_eq!( + ::std::mem::size_of::(), + 8usize, + concat!( + "Size of: ", + stringify!(retro_hw_render_context_negotiation_interface) + ) + ); + assert_eq!( + ::std::mem::align_of::(), + 4usize, + concat!( + "Alignment of ", + stringify!(retro_hw_render_context_negotiation_interface) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).interface_type + as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_context_negotiation_interface), + "::", + stringify!(interface_type) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())) + .interface_version as *const _ as usize + }, + 4usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_context_negotiation_interface), + "::", + stringify!(interface_version) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_memory_descriptor { + pub flags: u64, + pub ptr: *mut ::std::os::raw::c_void, + pub offset: usize, + pub start: usize, + pub select: usize, + pub disconnect: usize, + pub len: usize, + pub addrspace: *const ::std::os::raw::c_char, +} +#[test] +fn bindgen_test_layout_retro_memory_descriptor() { + assert_eq!( + ::std::mem::size_of::(), + 64usize, + concat!("Size of: ", stringify!(retro_memory_descriptor)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_memory_descriptor)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).flags as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(flags) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).ptr as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(ptr) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).offset as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(offset) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).start as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(start) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).select as *const _ as usize }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(select) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).disconnect as *const _ as usize + }, + 40usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(disconnect) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).len as *const _ as usize }, + 48usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(len) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).addrspace as *const _ as usize + }, + 56usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_descriptor), + "::", + stringify!(addrspace) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_memory_map { + pub descriptors: *const retro_memory_descriptor, + pub num_descriptors: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_memory_map() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_memory_map)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_memory_map)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).descriptors as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_map), + "::", + stringify!(descriptors) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).num_descriptors as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_memory_map), + "::", + stringify!(num_descriptors) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_controller_description { + pub desc: *const ::std::os::raw::c_char, + pub id: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_controller_description() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_controller_description)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_controller_description)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).desc as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_controller_description), + "::", + stringify!(desc) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).id as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_controller_description), + "::", + stringify!(id) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_controller_info { + pub types: *const retro_controller_description, + pub num_types: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_controller_info() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_controller_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_controller_info)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).types as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_controller_info), + "::", + stringify!(types) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).num_types as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_controller_info), + "::", + stringify!(num_types) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_subsystem_memory_info { + pub extension: *const ::std::os::raw::c_char, + pub type_: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_subsystem_memory_info() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_subsystem_memory_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_subsystem_memory_info)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).extension as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_memory_info), + "::", + stringify!(extension) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).type_ as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_memory_info), + "::", + stringify!(type_) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_subsystem_rom_info { + pub desc: *const ::std::os::raw::c_char, + pub valid_extensions: *const ::std::os::raw::c_char, + pub need_fullpath: bool, + pub block_extract: bool, + pub required: bool, + pub memory: *const retro_subsystem_memory_info, + pub num_memory: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_subsystem_rom_info() { + assert_eq!( + ::std::mem::size_of::(), + 40usize, + concat!("Size of: ", stringify!(retro_subsystem_rom_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_subsystem_rom_info)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).desc as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_rom_info), + "::", + stringify!(desc) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).valid_extensions as *const _ + as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_rom_info), + "::", + stringify!(valid_extensions) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).need_fullpath as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_rom_info), + "::", + stringify!(need_fullpath) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).block_extract as *const _ as usize + }, + 17usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_rom_info), + "::", + stringify!(block_extract) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).required as *const _ as usize + }, + 18usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_rom_info), + "::", + stringify!(required) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).memory as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_rom_info), + "::", + stringify!(memory) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).num_memory as *const _ as usize + }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_rom_info), + "::", + stringify!(num_memory) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_subsystem_info { + pub desc: *const ::std::os::raw::c_char, + pub ident: *const ::std::os::raw::c_char, + pub roms: *const retro_subsystem_rom_info, + pub num_roms: ::std::os::raw::c_uint, + pub id: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_subsystem_info() { + assert_eq!( + ::std::mem::size_of::(), + 32usize, + concat!("Size of: ", stringify!(retro_subsystem_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_subsystem_info)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).desc as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_info), + "::", + stringify!(desc) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).ident as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_info), + "::", + stringify!(ident) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).roms as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_info), + "::", + stringify!(roms) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).num_roms as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_info), + "::", + stringify!(num_roms) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).id as *const _ as usize }, + 28usize, + concat!( + "Offset of field: ", + stringify!(retro_subsystem_info), + "::", + stringify!(id) + ) + ); +} +pub type retro_proc_address_t = ::std::option::Option; +pub type retro_get_proc_address_t = ::std::option::Option< + unsafe extern "C" fn(sym: *const ::std::os::raw::c_char) -> retro_proc_address_t, +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_get_proc_address_interface { + pub get_proc_address: retro_get_proc_address_t, +} +#[test] +fn bindgen_test_layout_retro_get_proc_address_interface() { + assert_eq!( + ::std::mem::size_of::(), + 8usize, + concat!("Size of: ", stringify!(retro_get_proc_address_interface)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!( + "Alignment of ", + stringify!(retro_get_proc_address_interface) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_proc_address + as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_get_proc_address_interface), + "::", + stringify!(get_proc_address) + ) + ); +} +pub const retro_log_level_RETRO_LOG_DEBUG: retro_log_level = 0; +pub const retro_log_level_RETRO_LOG_INFO: retro_log_level = 1; +pub const retro_log_level_RETRO_LOG_WARN: retro_log_level = 2; +pub const retro_log_level_RETRO_LOG_ERROR: retro_log_level = 3; +pub const retro_log_level_RETRO_LOG_DUMMY: retro_log_level = 2147483647; +pub type retro_log_level = u32; +pub type retro_log_printf_t = ::std::option::Option< + unsafe extern "C" fn(level: retro_log_level, fmt: *const ::std::os::raw::c_char, ...), +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_log_callback { + pub log: retro_log_printf_t, +} +#[test] +fn bindgen_test_layout_retro_log_callback() { + assert_eq!( + ::std::mem::size_of::(), + 8usize, + concat!("Size of: ", stringify!(retro_log_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_log_callback)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).log as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_log_callback), + "::", + stringify!(log) + ) + ); +} +pub type retro_perf_tick_t = u64; +pub type retro_time_t = i64; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_perf_counter { + pub ident: *const ::std::os::raw::c_char, + pub start: retro_perf_tick_t, + pub total: retro_perf_tick_t, + pub call_cnt: retro_perf_tick_t, + pub registered: bool, +} +#[test] +fn bindgen_test_layout_retro_perf_counter() { + assert_eq!( + ::std::mem::size_of::(), + 40usize, + concat!("Size of: ", stringify!(retro_perf_counter)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_perf_counter)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).ident as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_counter), + "::", + stringify!(ident) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).start as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_counter), + "::", + stringify!(start) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).total as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_counter), + "::", + stringify!(total) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).call_cnt as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_counter), + "::", + stringify!(call_cnt) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).registered as *const _ as usize }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_counter), + "::", + stringify!(registered) + ) + ); +} +pub type retro_perf_get_time_usec_t = ::std::option::Option retro_time_t>; +pub type retro_perf_get_counter_t = + ::std::option::Option retro_perf_tick_t>; +pub type retro_get_cpu_features_t = ::std::option::Option u64>; +pub type retro_perf_log_t = ::std::option::Option; +pub type retro_perf_register_t = + ::std::option::Option; +pub type retro_perf_start_t = + ::std::option::Option; +pub type retro_perf_stop_t = + ::std::option::Option; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_perf_callback { + pub get_time_usec: retro_perf_get_time_usec_t, + pub get_cpu_features: retro_get_cpu_features_t, + pub get_perf_counter: retro_perf_get_counter_t, + pub perf_register: retro_perf_register_t, + pub perf_start: retro_perf_start_t, + pub perf_stop: retro_perf_stop_t, + pub perf_log: retro_perf_log_t, +} +#[test] +fn bindgen_test_layout_retro_perf_callback() { + assert_eq!( + ::std::mem::size_of::(), + 56usize, + concat!("Size of: ", stringify!(retro_perf_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_perf_callback)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_time_usec as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_callback), + "::", + stringify!(get_time_usec) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_cpu_features as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_callback), + "::", + stringify!(get_cpu_features) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_perf_counter as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_callback), + "::", + stringify!(get_perf_counter) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).perf_register as *const _ as usize + }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_callback), + "::", + stringify!(perf_register) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).perf_start as *const _ as usize }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_callback), + "::", + stringify!(perf_start) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).perf_stop as *const _ as usize }, + 40usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_callback), + "::", + stringify!(perf_stop) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).perf_log as *const _ as usize }, + 48usize, + concat!( + "Offset of field: ", + stringify!(retro_perf_callback), + "::", + stringify!(perf_log) + ) + ); +} +pub const retro_sensor_action_RETRO_SENSOR_ACCELEROMETER_ENABLE: retro_sensor_action = 0; +pub const retro_sensor_action_RETRO_SENSOR_ACCELEROMETER_DISABLE: retro_sensor_action = 1; +pub const retro_sensor_action_RETRO_SENSOR_DUMMY: retro_sensor_action = 2147483647; +pub type retro_sensor_action = u32; +pub type retro_set_sensor_state_t = ::std::option::Option< + unsafe extern "C" fn( + port: ::std::os::raw::c_uint, + action: retro_sensor_action, + rate: ::std::os::raw::c_uint, + ) -> bool, +>; +pub type retro_sensor_get_input_t = ::std::option::Option< + unsafe extern "C" fn(port: ::std::os::raw::c_uint, id: ::std::os::raw::c_uint) -> f32, +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_sensor_interface { + pub set_sensor_state: retro_set_sensor_state_t, + pub get_sensor_input: retro_sensor_get_input_t, +} +#[test] +fn bindgen_test_layout_retro_sensor_interface() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_sensor_interface)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_sensor_interface)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).set_sensor_state as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_sensor_interface), + "::", + stringify!(set_sensor_state) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_sensor_input as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_sensor_interface), + "::", + stringify!(get_sensor_input) + ) + ); +} +pub const retro_camera_buffer_RETRO_CAMERA_BUFFER_OPENGL_TEXTURE: retro_camera_buffer = 0; +pub const retro_camera_buffer_RETRO_CAMERA_BUFFER_RAW_FRAMEBUFFER: retro_camera_buffer = 1; +pub const retro_camera_buffer_RETRO_CAMERA_BUFFER_DUMMY: retro_camera_buffer = 2147483647; +pub type retro_camera_buffer = u32; +pub type retro_camera_start_t = ::std::option::Option bool>; +pub type retro_camera_stop_t = ::std::option::Option; +pub type retro_camera_lifetime_status_t = ::std::option::Option; +pub type retro_camera_frame_raw_framebuffer_t = ::std::option::Option< + unsafe extern "C" fn( + buffer: *const u32, + width: ::std::os::raw::c_uint, + height: ::std::os::raw::c_uint, + pitch: usize, + ), +>; +pub type retro_camera_frame_opengl_texture_t = ::std::option::Option< + unsafe extern "C" fn( + texture_id: ::std::os::raw::c_uint, + texture_target: ::std::os::raw::c_uint, + affine: *const f32, + ), +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_camera_callback { + pub caps: u64, + pub width: ::std::os::raw::c_uint, + pub height: ::std::os::raw::c_uint, + pub start: retro_camera_start_t, + pub stop: retro_camera_stop_t, + pub frame_raw_framebuffer: retro_camera_frame_raw_framebuffer_t, + pub frame_opengl_texture: retro_camera_frame_opengl_texture_t, + pub initialized: retro_camera_lifetime_status_t, + pub deinitialized: retro_camera_lifetime_status_t, +} +#[test] +fn bindgen_test_layout_retro_camera_callback() { + assert_eq!( + ::std::mem::size_of::(), + 64usize, + concat!("Size of: ", stringify!(retro_camera_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_camera_callback)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).caps as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(caps) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).width as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(width) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).height as *const _ as usize }, + 12usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(height) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).start as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(start) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).stop as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(stop) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).frame_raw_framebuffer as *const _ + as usize + }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(frame_raw_framebuffer) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).frame_opengl_texture as *const _ + as usize + }, + 40usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(frame_opengl_texture) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).initialized as *const _ as usize + }, + 48usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(initialized) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).deinitialized as *const _ as usize + }, + 56usize, + concat!( + "Offset of field: ", + stringify!(retro_camera_callback), + "::", + stringify!(deinitialized) + ) + ); +} +pub type retro_location_set_interval_t = ::std::option::Option< + unsafe extern "C" fn( + interval_ms: ::std::os::raw::c_uint, + interval_distance: ::std::os::raw::c_uint, + ), +>; +pub type retro_location_start_t = ::std::option::Option bool>; +pub type retro_location_stop_t = ::std::option::Option; +pub type retro_location_get_position_t = ::std::option::Option< + unsafe extern "C" fn( + lat: *mut f64, + lon: *mut f64, + horiz_accuracy: *mut f64, + vert_accuracy: *mut f64, + ) -> bool, +>; +pub type retro_location_lifetime_status_t = ::std::option::Option; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_location_callback { + pub start: retro_location_start_t, + pub stop: retro_location_stop_t, + pub get_position: retro_location_get_position_t, + pub set_interval: retro_location_set_interval_t, + pub initialized: retro_location_lifetime_status_t, + pub deinitialized: retro_location_lifetime_status_t, +} +#[test] +fn bindgen_test_layout_retro_location_callback() { + assert_eq!( + ::std::mem::size_of::(), + 48usize, + concat!("Size of: ", stringify!(retro_location_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_location_callback)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).start as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_location_callback), + "::", + stringify!(start) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).stop as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_location_callback), + "::", + stringify!(stop) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_position as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_location_callback), + "::", + stringify!(get_position) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).set_interval as *const _ as usize + }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_location_callback), + "::", + stringify!(set_interval) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).initialized as *const _ as usize + }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_location_callback), + "::", + stringify!(initialized) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).deinitialized as *const _ as usize + }, + 40usize, + concat!( + "Offset of field: ", + stringify!(retro_location_callback), + "::", + stringify!(deinitialized) + ) + ); +} +pub const retro_rumble_effect_RETRO_RUMBLE_STRONG: retro_rumble_effect = 0; +pub const retro_rumble_effect_RETRO_RUMBLE_WEAK: retro_rumble_effect = 1; +pub const retro_rumble_effect_RETRO_RUMBLE_DUMMY: retro_rumble_effect = 2147483647; +pub type retro_rumble_effect = u32; +pub type retro_set_rumble_state_t = ::std::option::Option< + unsafe extern "C" fn( + port: ::std::os::raw::c_uint, + effect: retro_rumble_effect, + strength: u16, + ) -> bool, +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_rumble_interface { + pub set_rumble_state: retro_set_rumble_state_t, +} +#[test] +fn bindgen_test_layout_retro_rumble_interface() { + assert_eq!( + ::std::mem::size_of::(), + 8usize, + concat!("Size of: ", stringify!(retro_rumble_interface)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_rumble_interface)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).set_rumble_state as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_rumble_interface), + "::", + stringify!(set_rumble_state) + ) + ); +} +pub type retro_audio_callback_t = ::std::option::Option; +pub type retro_audio_set_state_callback_t = + ::std::option::Option; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_audio_callback { + pub callback: retro_audio_callback_t, + pub set_state: retro_audio_set_state_callback_t, +} +#[test] +fn bindgen_test_layout_retro_audio_callback() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_audio_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_audio_callback)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).callback as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_audio_callback), + "::", + stringify!(callback) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).set_state as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_audio_callback), + "::", + stringify!(set_state) + ) + ); +} +pub type retro_usec_t = i64; +pub type retro_frame_time_callback_t = + ::std::option::Option; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_frame_time_callback { + pub callback: retro_frame_time_callback_t, + pub reference: retro_usec_t, +} +#[test] +fn bindgen_test_layout_retro_frame_time_callback() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_frame_time_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_frame_time_callback)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).callback as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_frame_time_callback), + "::", + stringify!(callback) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).reference as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_frame_time_callback), + "::", + stringify!(reference) + ) + ); +} +pub type retro_hw_context_reset_t = ::std::option::Option; +pub type retro_hw_get_current_framebuffer_t = + ::std::option::Option usize>; +pub type retro_hw_get_proc_address_t = ::std::option::Option< + unsafe extern "C" fn(sym: *const ::std::os::raw::c_char) -> retro_proc_address_t, +>; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_NONE: retro_hw_context_type = 0; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_OPENGL: retro_hw_context_type = 1; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_OPENGLES2: retro_hw_context_type = 2; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_OPENGL_CORE: retro_hw_context_type = 3; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_OPENGLES3: retro_hw_context_type = 4; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_OPENGLES_VERSION: retro_hw_context_type = 5; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_VULKAN: retro_hw_context_type = 6; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_DIRECT3D: retro_hw_context_type = 7; +pub const retro_hw_context_type_RETRO_HW_CONTEXT_DUMMY: retro_hw_context_type = 2147483647; +pub type retro_hw_context_type = u32; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_hw_render_callback { + pub context_type: retro_hw_context_type, + pub context_reset: retro_hw_context_reset_t, + pub get_current_framebuffer: retro_hw_get_current_framebuffer_t, + pub get_proc_address: retro_hw_get_proc_address_t, + pub depth: bool, + pub stencil: bool, + pub bottom_left_origin: bool, + pub version_major: ::std::os::raw::c_uint, + pub version_minor: ::std::os::raw::c_uint, + pub cache_context: bool, + pub context_destroy: retro_hw_context_reset_t, + pub debug_context: bool, +} +#[test] +fn bindgen_test_layout_retro_hw_render_callback() { + assert_eq!( + ::std::mem::size_of::(), + 64usize, + concat!("Size of: ", stringify!(retro_hw_render_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_hw_render_callback)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).context_type as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(context_type) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).context_reset as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(context_reset) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_current_framebuffer as *const _ + as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(get_current_framebuffer) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_proc_address as *const _ + as usize + }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(get_proc_address) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).depth as *const _ as usize }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(depth) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).stencil as *const _ as usize + }, + 33usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(stencil) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).bottom_left_origin as *const _ + as usize + }, + 34usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(bottom_left_origin) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).version_major as *const _ as usize + }, + 36usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(version_major) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).version_minor as *const _ as usize + }, + 40usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(version_minor) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).cache_context as *const _ as usize + }, + 44usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(cache_context) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).context_destroy as *const _ + as usize + }, + 48usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(context_destroy) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).debug_context as *const _ as usize + }, + 56usize, + concat!( + "Offset of field: ", + stringify!(retro_hw_render_callback), + "::", + stringify!(debug_context) + ) + ); +} +pub type retro_keyboard_event_t = ::std::option::Option< + unsafe extern "C" fn( + down: bool, + keycode: ::std::os::raw::c_uint, + character: u32, + key_modifiers: u16, + ), +>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_keyboard_callback { + pub callback: retro_keyboard_event_t, +} +#[test] +fn bindgen_test_layout_retro_keyboard_callback() { + assert_eq!( + ::std::mem::size_of::(), + 8usize, + concat!("Size of: ", stringify!(retro_keyboard_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_keyboard_callback)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).callback as *const _ as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_keyboard_callback), + "::", + stringify!(callback) + ) + ); +} +pub type retro_set_eject_state_t = + ::std::option::Option bool>; +pub type retro_get_eject_state_t = ::std::option::Option bool>; +pub type retro_get_image_index_t = + ::std::option::Option ::std::os::raw::c_uint>; +pub type retro_set_image_index_t = + ::std::option::Option bool>; +pub type retro_get_num_images_t = + ::std::option::Option ::std::os::raw::c_uint>; +pub type retro_replace_image_index_t = ::std::option::Option< + unsafe extern "C" fn(index: ::std::os::raw::c_uint, info: *const retro_game_info) -> bool, +>; +pub type retro_add_image_index_t = ::std::option::Option bool>; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_disk_control_callback { + pub set_eject_state: retro_set_eject_state_t, + pub get_eject_state: retro_get_eject_state_t, + pub get_image_index: retro_get_image_index_t, + pub set_image_index: retro_set_image_index_t, + pub get_num_images: retro_get_num_images_t, + pub replace_image_index: retro_replace_image_index_t, + pub add_image_index: retro_add_image_index_t, +} +#[test] +fn bindgen_test_layout_retro_disk_control_callback() { + assert_eq!( + ::std::mem::size_of::(), + 56usize, + concat!("Size of: ", stringify!(retro_disk_control_callback)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_disk_control_callback)) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).set_eject_state as *const _ + as usize + }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_disk_control_callback), + "::", + stringify!(set_eject_state) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_eject_state as *const _ + as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_disk_control_callback), + "::", + stringify!(get_eject_state) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_image_index as *const _ + as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_disk_control_callback), + "::", + stringify!(get_image_index) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).set_image_index as *const _ + as usize + }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_disk_control_callback), + "::", + stringify!(set_image_index) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).get_num_images as *const _ + as usize + }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_disk_control_callback), + "::", + stringify!(get_num_images) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).replace_image_index as *const _ + as usize + }, + 40usize, + concat!( + "Offset of field: ", + stringify!(retro_disk_control_callback), + "::", + stringify!(replace_image_index) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).add_image_index as *const _ + as usize + }, + 48usize, + concat!( + "Offset of field: ", + stringify!(retro_disk_control_callback), + "::", + stringify!(add_image_index) + ) + ); +} +pub const retro_pixel_format_RETRO_PIXEL_FORMAT_0RGB1555: retro_pixel_format = 0; +pub const retro_pixel_format_RETRO_PIXEL_FORMAT_XRGB8888: retro_pixel_format = 1; +pub const retro_pixel_format_RETRO_PIXEL_FORMAT_RGB565: retro_pixel_format = 2; +pub const retro_pixel_format_RETRO_PIXEL_FORMAT_UNKNOWN: retro_pixel_format = 2147483647; +pub type retro_pixel_format = u32; +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_message { + pub msg: *const ::std::os::raw::c_char, + pub frames: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_message() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_message)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_message)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).msg as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_message), + "::", + stringify!(msg) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).frames as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_message), + "::", + stringify!(frames) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_input_descriptor { + pub port: ::std::os::raw::c_uint, + pub device: ::std::os::raw::c_uint, + pub index: ::std::os::raw::c_uint, + pub id: ::std::os::raw::c_uint, + pub description: *const ::std::os::raw::c_char, +} +#[test] +fn bindgen_test_layout_retro_input_descriptor() { + assert_eq!( + ::std::mem::size_of::(), + 24usize, + concat!("Size of: ", stringify!(retro_input_descriptor)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_input_descriptor)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).port as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_input_descriptor), + "::", + stringify!(port) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).device as *const _ as usize }, + 4usize, + concat!( + "Offset of field: ", + stringify!(retro_input_descriptor), + "::", + stringify!(device) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).index as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_input_descriptor), + "::", + stringify!(index) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).id as *const _ as usize }, + 12usize, + concat!( + "Offset of field: ", + stringify!(retro_input_descriptor), + "::", + stringify!(id) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).description as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_input_descriptor), + "::", + stringify!(description) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_system_info { + pub library_name: *const ::std::os::raw::c_char, + pub library_version: *const ::std::os::raw::c_char, + pub valid_extensions: *const ::std::os::raw::c_char, + pub need_fullpath: bool, + pub block_extract: bool, +} +#[test] +fn bindgen_test_layout_retro_system_info() { + assert_eq!( + ::std::mem::size_of::(), + 32usize, + concat!("Size of: ", stringify!(retro_system_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_system_info)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).library_name as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_system_info), + "::", + stringify!(library_name) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).library_version as *const _ as usize + }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_system_info), + "::", + stringify!(library_version) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).valid_extensions as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_system_info), + "::", + stringify!(valid_extensions) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).need_fullpath as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_system_info), + "::", + stringify!(need_fullpath) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).block_extract as *const _ as usize }, + 25usize, + concat!( + "Offset of field: ", + stringify!(retro_system_info), + "::", + stringify!(block_extract) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_game_geometry { + pub base_width: ::std::os::raw::c_uint, + pub base_height: ::std::os::raw::c_uint, + pub max_width: ::std::os::raw::c_uint, + pub max_height: ::std::os::raw::c_uint, + pub aspect_ratio: f32, +} +#[test] +fn bindgen_test_layout_retro_game_geometry() { + assert_eq!( + ::std::mem::size_of::(), + 20usize, + concat!("Size of: ", stringify!(retro_game_geometry)) + ); + assert_eq!( + ::std::mem::align_of::(), + 4usize, + concat!("Alignment of ", stringify!(retro_game_geometry)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).base_width as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_game_geometry), + "::", + stringify!(base_width) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).base_height as *const _ as usize }, + 4usize, + concat!( + "Offset of field: ", + stringify!(retro_game_geometry), + "::", + stringify!(base_height) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).max_width as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_game_geometry), + "::", + stringify!(max_width) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).max_height as *const _ as usize }, + 12usize, + concat!( + "Offset of field: ", + stringify!(retro_game_geometry), + "::", + stringify!(max_height) + ) + ); + assert_eq!( + unsafe { + &(*(::std::ptr::null::())).aspect_ratio as *const _ as usize + }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_game_geometry), + "::", + stringify!(aspect_ratio) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_system_timing { + pub fps: f64, + pub sample_rate: f64, +} +#[test] +fn bindgen_test_layout_retro_system_timing() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_system_timing)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_system_timing)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).fps as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_system_timing), + "::", + stringify!(fps) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).sample_rate as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_system_timing), + "::", + stringify!(sample_rate) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_system_av_info { + pub geometry: retro_game_geometry, + pub timing: retro_system_timing, +} +#[test] +fn bindgen_test_layout_retro_system_av_info() { + assert_eq!( + ::std::mem::size_of::(), + 40usize, + concat!("Size of: ", stringify!(retro_system_av_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_system_av_info)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).geometry as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_system_av_info), + "::", + stringify!(geometry) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).timing as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_system_av_info), + "::", + stringify!(timing) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_variable { + pub key: *const ::std::os::raw::c_char, + pub value: *const ::std::os::raw::c_char, +} +#[test] +fn bindgen_test_layout_retro_variable() { + assert_eq!( + ::std::mem::size_of::(), + 16usize, + concat!("Size of: ", stringify!(retro_variable)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_variable)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).key as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_variable), + "::", + stringify!(key) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).value as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_variable), + "::", + stringify!(value) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_game_info { + pub path: *const ::std::os::raw::c_char, + pub data: *const ::std::os::raw::c_void, + pub size: usize, + pub meta: *const ::std::os::raw::c_char, +} +#[test] +fn bindgen_test_layout_retro_game_info() { + assert_eq!( + ::std::mem::size_of::(), + 32usize, + concat!("Size of: ", stringify!(retro_game_info)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_game_info)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).path as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_game_info), + "::", + stringify!(path) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).data as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_game_info), + "::", + stringify!(data) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).size as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_game_info), + "::", + stringify!(size) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).meta as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_game_info), + "::", + stringify!(meta) + ) + ); +} +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct retro_framebuffer { + pub data: *mut ::std::os::raw::c_void, + pub width: ::std::os::raw::c_uint, + pub height: ::std::os::raw::c_uint, + pub pitch: usize, + pub format: retro_pixel_format, + pub access_flags: ::std::os::raw::c_uint, + pub memory_flags: ::std::os::raw::c_uint, +} +#[test] +fn bindgen_test_layout_retro_framebuffer() { + assert_eq!( + ::std::mem::size_of::(), + 40usize, + concat!("Size of: ", stringify!(retro_framebuffer)) + ); + assert_eq!( + ::std::mem::align_of::(), + 8usize, + concat!("Alignment of ", stringify!(retro_framebuffer)) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).data as *const _ as usize }, + 0usize, + concat!( + "Offset of field: ", + stringify!(retro_framebuffer), + "::", + stringify!(data) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).width as *const _ as usize }, + 8usize, + concat!( + "Offset of field: ", + stringify!(retro_framebuffer), + "::", + stringify!(width) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).height as *const _ as usize }, + 12usize, + concat!( + "Offset of field: ", + stringify!(retro_framebuffer), + "::", + stringify!(height) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).pitch as *const _ as usize }, + 16usize, + concat!( + "Offset of field: ", + stringify!(retro_framebuffer), + "::", + stringify!(pitch) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).format as *const _ as usize }, + 24usize, + concat!( + "Offset of field: ", + stringify!(retro_framebuffer), + "::", + stringify!(format) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).access_flags as *const _ as usize }, + 28usize, + concat!( + "Offset of field: ", + stringify!(retro_framebuffer), + "::", + stringify!(access_flags) + ) + ); + assert_eq!( + unsafe { &(*(::std::ptr::null::())).memory_flags as *const _ as usize }, + 32usize, + concat!( + "Offset of field: ", + stringify!(retro_framebuffer), + "::", + stringify!(memory_flags) + ) + ); +} +pub type retro_environment_t = ::std::option::Option< + unsafe extern "C" fn(cmd: ::std::os::raw::c_uint, data: *mut ::std::os::raw::c_void) -> bool, +>; +pub type retro_video_refresh_t = ::std::option::Option< + unsafe extern "C" fn( + data: *const ::std::os::raw::c_void, + width: ::std::os::raw::c_uint, + height: ::std::os::raw::c_uint, + pitch: usize, + ), +>; +pub type retro_audio_sample_t = ::std::option::Option; +pub type retro_audio_sample_batch_t = + ::std::option::Option usize>; +pub type retro_input_poll_t = ::std::option::Option; +pub type retro_input_state_t = ::std::option::Option< + unsafe extern "C" fn( + port: ::std::os::raw::c_uint, + device: ::std::os::raw::c_uint, + index: ::std::os::raw::c_uint, + id: ::std::os::raw::c_uint, + ) -> i16, +>; diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..19271c9 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,18 @@ +extern crate failure; +extern crate libloading; + +use std::ffi::CStr; + +#[allow(non_camel_case_types, non_upper_case_globals, non_snake_case, dead_code)] +mod libretro_types; +mod libretro_loading; + +fn main() -> failure::Fallible<()> { + let lib = libloading::Library::new("/home/lifning/.config/retroarch/cores/gambatte_libretro.so")?; + let retro = libretro_loading::LibretroApi::from_library(&lib)?; + unsafe { + println!("api version: {}", (&retro.retro_api_version)()); + println!("name: {}", CStr::from_ptr(retro.get_system_info().library_name).to_string_lossy()); + } + Ok(()) +}