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libretro: update libretro header

This commit is contained in:
OV2 2012-08-16 23:48:54 +02:00
parent ef683d61c6
commit f456c9c996
1 changed files with 258 additions and 2 deletions
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260
libretro/libretro.h
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@ -4,10 +4,11 @@
#include "snes9x.h"
#include <stddef.h>
// Hack applied for MSVC when compiling in C89 mode as it isn't C99 compliant.
#ifdef __cplusplus
extern "C" {
#else
#if defined(_MSC_VER) && !defined(__cplusplus)
#if defined(_MSC_VER) && !defined(SN_TARGET_PS3) && !defined(__cplusplus)
#define bool unsigned char
#define true 1
#define false 0
@ -16,20 +17,51 @@ extern "C" {
#endif
#endif
// Used for checking API/ABI mismatches that can break libretro implementations.
// It is not incremented for compatible changes.
#define RETRO_API_VERSION 1
// Libretro's fundamental device abstractions.
#define RETRO_DEVICE_MASK 0xff
#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.
#define RETRO_DEVICE_KEYBOARD 3
// Lightgun X/Y coordinates are reported relatively to last poll, similar to mouse.
#define RETRO_DEVICE_LIGHTGUN 4
// The ANALOG device is an extension to JOYPAD (RetroPad).
// Similar to DualShock it adds two analog sticks.
// This is treated as a separate device type as it returns values in the full analog range
// of [-0x8000, 0x7fff]. Positive X axis is right. Positive Y axis is down.
// Only use ANALOG type when polling for analog values of the axes.
#define RETRO_DEVICE_ANALOG 5
// These device types are specializations of the base types above.
// They should only be used in retro_set_controller_type() to inform libretro implementations
// about use of a very specific device type.
//
// In input state callback, however, only the base type should be used in the 'device' field.
#define RETRO_DEVICE_JOYPAD_MULTITAP ((1 << 8) | RETRO_DEVICE_JOYPAD)
#define RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE ((1 << 8) | RETRO_DEVICE_LIGHTGUN)
#define RETRO_DEVICE_LIGHTGUN_JUSTIFIER ((2 << 8) | RETRO_DEVICE_LIGHTGUN)
#define RETRO_DEVICE_LIGHTGUN_JUSTIFIERS ((3 << 8) | RETRO_DEVICE_LIGHTGUN)
// 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.
#define RETRO_DEVICE_ID_JOYPAD_B 0
#define RETRO_DEVICE_ID_JOYPAD_Y 1
#define RETRO_DEVICE_ID_JOYPAD_SELECT 2
@ -42,12 +74,24 @@ extern "C" {
#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_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
// Id values for LIGHTGUN types.
#define RETRO_DEVICE_ID_LIGHTGUN_X 0
#define RETRO_DEVICE_ID_LIGHTGUN_Y 1
#define RETRO_DEVICE_ID_LIGHTGUN_TRIGGER 2
@ -56,15 +100,30 @@ extern "C" {
#define RETRO_DEVICE_ID_LIGHTGUN_PAUSE 5
#define RETRO_DEVICE_ID_LIGHTGUN_START 6
// Returned from retro_get_region().
#define RETRO_REGION_NTSC 0
#define RETRO_REGION_PAL 1
// 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 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
// Special memory types.
#define RETRO_MEMORY_SNES_BSX_RAM ((1 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_BSX_PRAM ((2 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM ((3 << 8) | RETRO_MEMORY_SAVE_RAM)
@ -72,11 +131,161 @@ extern "C" {
#define RETRO_MEMORY_SNES_GAME_BOY_RAM ((5 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_GAME_BOY_RTC ((6 << 8) | RETRO_MEMORY_RTC)
// Special game types passed into retro_load_game_special().
// Only used when multiple ROMs are required.
#define RETRO_GAME_TYPE_BSX 0x101
#define RETRO_GAME_TYPE_BSX_SLOTTED 0x102
#define RETRO_GAME_TYPE_SUFAMI_TURBO 0x103
#define RETRO_GAME_TYPE_SUPER_GAME_BOY 0x104
// 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_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_LAST
};
// Environment commands.
#define RETRO_ENVIRONMENT_SET_ROTATION 1 // const unsigned * --
@ -107,6 +316,53 @@ extern "C" {
#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 to 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", but roughly defined as:
// 0: Low-powered embedded devices such as Raspberry Pi
// 1: 6th generation consoles, such as Wii/Xbox 1, and phones, tablets, etc.
// 2: 7th generation consoles, such as PS3/360, with sub-par CPUs.
// 3: Modern desktop/laptops with reasonably powerful CPUs.
// 4: High-end desktops with very powerful CPUs.
//
// This function can be called on a per-game basis,
// as certain games an implementation can play might be
// particularily 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 ROMs 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.
//
#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_XRGB1555.
// 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().
enum retro_pixel_format
{
RETRO_PIXEL_FORMAT_0RGB1555 = 0, // 0RGB1555, native endian. 0 bit must be set to 0.
RETRO_PIXEL_FORMAT_XRGB8888 // XRGB8888, native endian. X bits are ignored.
};
struct retro_message
{
@ -181,7 +437,7 @@ struct retro_game_info
// Environment callback. Gives implementations a way of performing uncommon tasks. Extensible.
typedef bool (*retro_environment_t)(unsigned cmd, void *data);
// Render a frame. Pixel format is 15-bit XRGB1555 native endian.
// 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.
typedef void (*retro_video_refresh_t)(const void *data, unsigned width, unsigned height, size_t pitch);