#include <stdint.h>
#include <stddef.h>
+#include <limits.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
#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
#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
#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)
#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 * --
// 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 RetroArch supports frame duping,
+ // Boolean value whether or not frontend supports frame duping,
// passing NULL to video frame callback.
//
#define RETRO_ENVIRONMENT_GET_VARIABLE 4 // struct retro_variable * --
// about too demanding implementations.
//
// The levels are "floating", but roughly defined as:
- // 1: Low-powered devices such as Raspberry Pi, smart phones, tablets, etc.
- // 2: Medium-spec consoles, such as PS3/360, with sub-par CPUs.
+ // 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.
//
#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.
+ // 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.
+
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.
+ // 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
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;
+
+ const char *description; // Human readable description for parameters.
+ // The pointer must remain valid until retro_unload_game() is called.
+};
+
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.
// 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_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.
// 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.
void retro_get_system_av_info(struct retro_system_av_info *info);
// Sets device to be used for player 'port'.
notaz.gp2x.de / pcsx_rearmed.git / commitdiff