mirror of
https://github.com/libretro/RetroArch.git
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541 lines
16 KiB
C
541 lines
16 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DRIVER__H
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#define __DRIVER__H
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#include <sys/types.h>
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#include "boolean.h"
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#include "libretro.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include "msvc/msvc_compat.h"
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#include "gfx/scaler/scaler.h"
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#include "input/overlay.h"
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef HAVE_COMMAND
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#include "command.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define AUDIO_CHUNK_SIZE_BLOCKING 512
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#define AUDIO_CHUNK_SIZE_NONBLOCKING 2048 // So we don't get complete line-noise when fast-forwarding audio.
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#define AUDIO_MAX_RATIO 16
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// Specialized _POINTER that targets the full screen regardless of viewport.
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// Should not be used by a libretro implementation as coordinates returned make no sense.
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// It is only used internally for overlays.
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#define RARCH_DEVICE_POINTER_SCREEN (RETRO_DEVICE_POINTER | 0x10000)
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// libretro has 16 buttons from 0-15 (libretro.h)
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// Analog binds use RETRO_DEVICE_ANALOG, but we follow the same scheme internally
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// in RetroArch for simplicity,
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// so they are mapped into [16, 23].
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#define RARCH_FIRST_CUSTOM_BIND 16
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#define RARCH_FIRST_META_KEY RARCH_CUSTOM_BIND_LIST_END
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enum // RetroArch specific bind IDs.
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{
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// Custom binds that extend the scope of RETRO_DEVICE_JOYPAD for RetroArch specifically.
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// Turbo
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RARCH_TURBO_ENABLE = RARCH_FIRST_CUSTOM_BIND,
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// Analogs (RETRO_DEVICE_ANALOG)
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RARCH_ANALOG_LEFT_X_PLUS,
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RARCH_ANALOG_LEFT_X_MINUS,
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RARCH_ANALOG_LEFT_Y_PLUS,
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RARCH_ANALOG_LEFT_Y_MINUS,
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RARCH_ANALOG_RIGHT_X_PLUS,
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RARCH_ANALOG_RIGHT_X_MINUS,
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RARCH_ANALOG_RIGHT_Y_PLUS,
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RARCH_ANALOG_RIGHT_Y_MINUS,
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#ifdef RARCH_CONSOLE
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RARCH_ANALOG_LEFT_X_DPAD_LEFT,
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RARCH_ANALOG_LEFT_X_DPAD_RIGHT,
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RARCH_ANALOG_LEFT_Y_DPAD_UP,
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RARCH_ANALOG_LEFT_Y_DPAD_DOWN,
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RARCH_ANALOG_RIGHT_X_DPAD_LEFT,
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RARCH_ANALOG_RIGHT_X_DPAD_RIGHT,
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RARCH_ANALOG_RIGHT_Y_DPAD_UP,
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RARCH_ANALOG_RIGHT_Y_DPAD_DOWN,
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#endif
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RARCH_CUSTOM_BIND_LIST_END,
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// Command binds. Not related to game input, only usable for port 0.
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RARCH_FAST_FORWARD_KEY = RARCH_FIRST_META_KEY,
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RARCH_FAST_FORWARD_HOLD_KEY,
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RARCH_LOAD_STATE_KEY,
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RARCH_SAVE_STATE_KEY,
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RARCH_FULLSCREEN_TOGGLE_KEY,
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RARCH_QUIT_KEY,
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RARCH_STATE_SLOT_PLUS,
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RARCH_STATE_SLOT_MINUS,
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RARCH_REWIND,
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RARCH_MOVIE_RECORD_TOGGLE,
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RARCH_PAUSE_TOGGLE,
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RARCH_FRAMEADVANCE,
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RARCH_RESET,
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RARCH_SHADER_NEXT,
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RARCH_SHADER_PREV,
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RARCH_CHEAT_INDEX_PLUS,
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RARCH_CHEAT_INDEX_MINUS,
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RARCH_CHEAT_TOGGLE,
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RARCH_SCREENSHOT,
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RARCH_DSP_CONFIG,
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RARCH_MUTE,
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RARCH_NETPLAY_FLIP,
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RARCH_SLOWMOTION,
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RARCH_ENABLE_HOTKEY,
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RARCH_VOLUME_UP,
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RARCH_VOLUME_DOWN,
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RARCH_OVERLAY_NEXT,
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RARCH_DISK_EJECT_TOGGLE,
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RARCH_DISK_NEXT,
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RARCH_GRAB_MOUSE_TOGGLE,
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RARCH_MENU_TOGGLE,
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RARCH_BIND_LIST_END,
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RARCH_BIND_LIST_END_NULL
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};
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struct retro_keybind
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{
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bool valid;
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int id;
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const char *desc;
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enum retro_key key;
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// PC only uses lower 16-bits.
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// Full 64-bit can be used for port-specific purposes, like simplifying multiple binds, etc.
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uint64_t joykey;
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// Default key binding value - for resetting bind to default
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uint64_t def_joykey;
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uint32_t joyaxis;
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};
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struct platform_bind
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{
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uint64_t joykey;
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char desc[64];
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};
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enum rarch_shader_type
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{
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RARCH_SHADER_CG,
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RARCH_SHADER_HLSL,
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RARCH_SHADER_GLSL,
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RARCH_SHADER_NONE
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};
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#if defined(_XBOX360)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_HLSL
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#elif defined(__PSL1GHT__)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
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#elif defined(__CELLOS_LV2__)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_CG
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#elif defined(HAVE_OPENGLES2)
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_GLSL
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#else
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#define DEFAULT_SHADER_TYPE RARCH_SHADER_NONE
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#endif
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typedef struct video_info
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{
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unsigned width;
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unsigned height;
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bool fullscreen;
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bool vsync;
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bool force_aspect;
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bool smooth;
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unsigned input_scale; // Maximum input size: RARCH_SCALE_BASE * input_scale
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bool rgb32; // Use 32-bit RGBA rather than native XBGR1555.
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} video_info_t;
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typedef struct audio_driver
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{
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void *(*init)(const char *device, unsigned rate, unsigned latency);
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ssize_t (*write)(void *data, const void *buf, size_t size);
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bool (*stop)(void *data);
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bool (*start)(void *data);
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void (*set_nonblock_state)(void *data, bool toggle); // Should we care about blocking in audio thread? Fast forwarding.
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void (*free)(void *data);
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bool (*use_float)(void *data); // Defines if driver will take standard floating point samples, or int16_t samples.
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const char *ident;
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size_t (*write_avail)(void *data); // Optional
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size_t (*buffer_size)(void *data); // Optional
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} audio_driver_t;
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#define AXIS_NEG(x) (((uint32_t)(x) << 16) | UINT16_C(0xFFFF))
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#define AXIS_POS(x) ((uint32_t)(x) | UINT32_C(0xFFFF0000))
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#define AXIS_NONE UINT32_C(0xFFFFFFFF)
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#define AXIS_DIR_NONE UINT16_C(0xFFFF)
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#define AXIS_NEG_GET(x) (((uint32_t)(x) >> 16) & UINT16_C(0xFFFF))
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#define AXIS_POS_GET(x) ((uint32_t)(x) & UINT16_C(0xFFFF))
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#define NO_BTN UINT16_C(0xFFFF) // I hope no joypad will ever have this many buttons ... ;)
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#define HAT_UP_SHIFT 15
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#define HAT_DOWN_SHIFT 14
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#define HAT_LEFT_SHIFT 13
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#define HAT_RIGHT_SHIFT 12
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#define HAT_UP_MASK (1 << HAT_UP_SHIFT)
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#define HAT_DOWN_MASK (1 << HAT_DOWN_SHIFT)
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#define HAT_LEFT_MASK (1 << HAT_LEFT_SHIFT)
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#define HAT_RIGHT_MASK (1 << HAT_RIGHT_SHIFT)
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#define HAT_MAP(x, hat) ((x & ((1 << 12) - 1)) | hat)
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#define HAT_MASK (HAT_UP_MASK | HAT_DOWN_MASK | HAT_LEFT_MASK | HAT_RIGHT_MASK)
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#define GET_HAT_DIR(x) (x & HAT_MASK)
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#define GET_HAT(x) (x & (~HAT_MASK))
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enum input_devices
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{
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#if defined(ANDROID)
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DEVICE_NONE = 0,
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DEVICE_LOGITECH_RUMBLEPAD2,
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DEVICE_LOGITECH_DUAL_ACTION,
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DEVICE_LOGITECH_PRECISION_GAMEPAD,
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DEVICE_ICONTROLPAD_HID_JOYSTICK,
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DEVICE_ICONTROLPAD_BLUEZ_IME,
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DEVICE_TTT_THT_ARCADE,
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DEVICE_TOMMO_NEOGEOX_ARCADE,
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DEVICE_MADCATZ_PC_USB_STICK,
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DEVICE_LOGICOOL_RUMBLEPAD2,
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DEVICE_IDROID_X360,
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DEVICE_ZEEMOTE_STEELSERIES,
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DEVICE_HUIJIA_USB_SNES,
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DEVICE_SUPER_SMARTJOY,
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DEVICE_SAITEK_RUMBLE_P480,
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DEVICE_MS_SIDEWINDER_DUAL_STRIKE,
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DEVICE_MS_SIDEWINDER,
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DEVICE_MS_XBOX,
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DEVICE_WISEGROUP_PLAYSTATION2,
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DEVICE_JCPS102_PLAYSTATION2,
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DEVICE_GENERIC_PLAYSTATION2_CONVERTER,
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DEVICE_PSMOVE_NAVI,
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DEVICE_JXD_S7300B,
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DEVICE_IDROID_CON,
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DEVICE_GENIUS_MAXFIRE_G08XU,
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DEVICE_USB_2_AXIS_8_BUTTON_GAMEPAD,
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DEVICE_BUFFALO_BGC_FC801,
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DEVICE_RETROUSB_RETROPAD,
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DEVICE_RETROUSB_SNES_RETROPORT,
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DEVICE_CYPRESS_USB,
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DEVICE_MAYFLASH_WII_CLASSIC,
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DEVICE_SZMY_POWER_DUAL_BOX_WII,
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DEVICE_ARCHOS_GAMEPAD,
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DEVICE_JXD_S5110,
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DEVICE_XPERIA_PLAY,
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DEVICE_BROADCOM_BLUETOOTH_HID,
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DEVICE_THRUST_PREDATOR,
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DEVICE_DRAGONRISE,
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DEVICE_PLAYSTATION3_VERSION1,
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DEVICE_PLAYSTATION3_VERSION2,
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DEVICE_MOGA_IME,
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DEVICE_NYKO_PLAYPAD_PRO,
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DEVICE_TOODLES_2008_CHIMP,
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DEVICE_MOGA,
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DEVICE_SEGA_VIRTUA_STICK_HIGH_GRADE,
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DEVICE_CCPCREATIONS_WIIUSE_IME,
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DEVICE_KEYBOARD_RETROPAD,
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DEVICE_OUYA,
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DEVICE_ONLIVE_WIRELESS_CONTROLLER,
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DEVICE_TOMEE_NES_USB,
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DEVICE_THRUSTMASTER_T_MINI,
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DEVICE_GAMEMID,
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DEVICE_DEFENDER_GAME_RACER_CLASSIC,
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DEVICE_HOLTEK_JC_U912F,
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#elif defined(GEKKO)
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DEVICE_GAMECUBE = 0,
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#ifdef HW_RVL
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DEVICE_WIIMOTE,
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DEVICE_NUNCHUK,
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DEVICE_CLASSIC,
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#endif
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#elif defined(_XBOX)
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DEVICE_XBOX_PAD = 0,
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#elif defined(__CELLOS_LV2__)
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DEVICE_SIXAXIS = 0,
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#elif defined(__BLACKBERRY_QNX__)
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DEVICE_NONE,
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DEVICE_WIIMOTE,
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DEVICE_KEYBOARD,
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DEVICE_IPEGA,
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DEVICE_KEYPAD,
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DEVICE_UNKNOWN,
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#elif defined(IOS)
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DEVICE_NONE,
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DEVICE_WIIMOTE,
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DEVICE_SIXAXIS,
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#endif
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DEVICE_LAST
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};
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enum analog_dpad_bind_enums
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{
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ANALOG_DPAD_NONE = 0,
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ANALOG_DPAD_LSTICK,
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ANALOG_DPAD_RSTICK,
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ANALOG_DPAD_LAST
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};
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enum keybind_set_id
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{
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KEYBINDS_ACTION_NONE = 0,
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KEYBINDS_ACTION_DECREMENT_BIND,
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KEYBINDS_ACTION_INCREMENT_BIND,
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KEYBINDS_ACTION_SET_DEFAULT_BIND,
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KEYBINDS_ACTION_SET_DEFAULT_BINDS,
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KEYBINDS_ACTION_SET_ANALOG_DPAD_NONE,
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KEYBINDS_ACTION_SET_ANALOG_DPAD_LSTICK,
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KEYBINDS_ACTION_SET_ANALOG_DPAD_RSTICK,
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KEYBINDS_ACTION_GET_BIND_LABEL,
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KEYBINDS_ACTION_LAST
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};
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typedef struct input_driver
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{
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void *(*init)(void);
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void (*poll)(void *data);
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int16_t (*input_state)(void *data, const struct retro_keybind **retro_keybinds,
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unsigned port, unsigned device, unsigned index, unsigned id);
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bool (*key_pressed)(void *data, int key);
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void (*free)(void *data);
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void (*set_keybinds)(void *data, unsigned device, unsigned port, unsigned id, unsigned keybind_action);
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const char *ident;
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void (*grab_mouse)(void *data, bool state);
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} input_driver_t;
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struct rarch_viewport;
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#ifdef HAVE_OVERLAY
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typedef struct video_overlay_interface
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{
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void (*enable)(void *data, bool state);
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bool (*load)(void *data, const uint32_t *image, unsigned width, unsigned height);
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void (*tex_geom)(void *data, float x, float y, float w, float h);
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void (*vertex_geom)(void *data, float x, float y, float w, float h);
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void (*full_screen)(void *data, bool enable);
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void (*set_alpha)(void *data, float mod);
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} video_overlay_interface_t;
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#endif
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// Optionally implemented interface to poke more deeply into video driver.
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typedef struct video_poke_interface
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{
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void (*set_filtering)(void *data, unsigned index, bool smooth);
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#ifdef HAVE_FBO
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uintptr_t (*get_current_framebuffer)(void *data);
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retro_proc_address_t (*get_proc_address)(void *data, const char *sym);
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#endif
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void (*set_aspect_ratio)(void *data, unsigned aspectratio_index);
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void (*apply_state_changes)(void *data);
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#if defined(HAVE_RGUI) || defined(HAVE_RMENU)
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void (*set_texture_frame)(void *data, const void *frame, bool rgb32, unsigned width, unsigned height, float alpha); // Update texture.
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void (*set_texture_enable)(void *data, bool enable, bool full_screen); // Enable/disable rendering.
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#endif
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void (*set_osd_msg)(void *data, const char *msg, void *userdata);
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void (*show_mouse)(void *data, bool state);
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void (*grab_mouse_toggle)(void *data);
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} video_poke_interface_t;
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typedef struct video_driver
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{
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void *(*init)(const video_info_t *video, const input_driver_t **input, void **input_data);
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// Should the video driver act as an input driver as well? :)
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// The video init might preinitialize an input driver to override the settings in case the video driver relies on input driver for event handling, e.g.
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bool (*frame)(void *data, const void *frame, unsigned width, unsigned height, unsigned pitch, const char *msg); // msg is for showing a message on the screen along with the video frame.
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void (*set_nonblock_state)(void *data, bool toggle); // Should we care about syncing to vblank? Fast forwarding.
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// Is the window still active?
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bool (*alive)(void *data);
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bool (*focus)(void *data); // Does the window have focus?
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bool (*set_shader)(void *data, enum rarch_shader_type type, const char *path); // Sets shader. Might not be implemented. Will be moved to poke_interface later.
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void (*free)(void *data);
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const char *ident;
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#if defined(HAVE_RMENU) || defined(HAVE_RGUI)
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void (*start)(void);
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void (*restart)(void);
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#endif
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void (*set_rotation)(void *data, unsigned rotation);
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void (*viewport_info)(void *data, struct rarch_viewport *vp);
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// Reads out in BGR byte order (24bpp).
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bool (*read_viewport)(void *data, uint8_t *buffer);
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#ifdef HAVE_OVERLAY
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void (*overlay_interface)(void *data, const video_overlay_interface_t **iface);
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#endif
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void (*poke_interface)(void *data, const video_poke_interface_t **iface);
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} video_driver_t;
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enum rarch_display_type
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{
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RARCH_DISPLAY_NONE = 0, // Non-bindable types like consoles, KMS, VideoCore, etc.
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RARCH_DISPLAY_X11, // video_display => Display*, video_window => Window
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RARCH_DISPLAY_WIN32, // video_display => N/A, video_window => HWND
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RARCH_DISPLAY_OSX // ?!
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};
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typedef struct driver
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{
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const audio_driver_t *audio;
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const video_driver_t *video;
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const input_driver_t *input;
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void *audio_data;
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void *video_data;
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void *input_data;
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bool threaded_video;
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// Set if the respective handles are owned by RetroArch driver core.
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// Consoles upper logic will generally intialize the drivers before
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// the driver core initializes. It will then be up to upper logic
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// to finally free() up the driver handles.
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// Driver core will still call init() and free(), but in this case
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// these calls should be seen as "reinit() + ref_count++" and "ref_count--"
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// respectively.
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bool video_data_own;
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bool audio_data_own;
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bool input_data_own;
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#ifdef HAVE_COMMAND
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rarch_cmd_t *command;
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#endif
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bool stdin_claimed;
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bool block_hotkey;
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bool nonblock_state;
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// Opaque handles to currently running window.
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// Used by e.g. input drivers which bind to a window.
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// Drivers are responsible for setting these if an input driver
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// could potentially make use of this.
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uintptr_t video_display;
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uintptr_t video_window;
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enum rarch_display_type display_type;
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// Used for 15-bit -> 16-bit conversions that take place before being passed to video driver.
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struct scaler_ctx scaler;
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void *scaler_out;
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// Graphics driver requires RGBA byte order data (ABGR on little-endian) for 32-bit.
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// This takes effect for overlay and shader cores that wants to load data into graphics driver.
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// Kinda hackish to place it here, it is only used for GLES.
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// TODO: Refactor this better.
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bool gfx_use_rgba;
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#ifdef HAVE_OVERLAY
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input_overlay_t *overlay;
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uint64_t overlay_state;
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#endif
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// Interface for "poking".
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const video_poke_interface_t *video_poke;
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// last message given to the video driver
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const char *current_msg;
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} driver_t;
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void init_drivers(void);
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void init_drivers_pre(void);
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void uninit_drivers(void);
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void global_init_drivers(void);
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void global_uninit_drivers(void);
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void init_video_input(void);
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void uninit_video_input(void);
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void init_audio(void);
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void uninit_audio(void);
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void driver_set_monitor_refresh_rate(float hz);
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bool driver_monitor_fps_statistics(double *refresh_rate, double *deviation, unsigned *sample_points);
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void driver_set_nonblock_state(bool nonblock);
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// Used by RETRO_ENVIRONMENT_SET_HW_RENDER.
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uintptr_t driver_get_current_framebuffer(void);
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retro_proc_address_t driver_get_proc_address(const char *sym);
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extern driver_t driver;
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//////////////////////////////////////////////// Backends
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extern const audio_driver_t audio_rsound;
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extern const audio_driver_t audio_oss;
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extern const audio_driver_t audio_alsa;
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extern const audio_driver_t audio_alsathread;
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extern const audio_driver_t audio_roar;
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extern const audio_driver_t audio_openal;
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extern const audio_driver_t audio_opensl;
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extern const audio_driver_t audio_jack;
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extern const audio_driver_t audio_sdl;
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extern const audio_driver_t audio_xa;
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extern const audio_driver_t audio_pulse;
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extern const audio_driver_t audio_dsound;
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extern const audio_driver_t audio_coreaudio;
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extern const audio_driver_t audio_xenon360;
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extern const audio_driver_t audio_ps3;
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extern const audio_driver_t audio_gx;
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extern const audio_driver_t audio_null;
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extern const video_driver_t video_gl;
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extern const video_driver_t video_psp1;
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extern const video_driver_t video_vita;
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extern const video_driver_t video_d3d9;
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extern const video_driver_t video_gx;
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extern const video_driver_t video_xenon360;
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extern const video_driver_t video_xvideo;
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extern const video_driver_t video_xdk_d3d;
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extern const video_driver_t video_sdl;
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extern const video_driver_t video_vg;
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extern const video_driver_t video_null;
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extern const input_driver_t input_android;
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extern const input_driver_t input_sdl;
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extern const input_driver_t input_dinput;
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extern const input_driver_t input_x;
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extern const input_driver_t input_ps3;
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extern const input_driver_t input_psp;
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extern const input_driver_t input_xenon360;
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extern const input_driver_t input_gx;
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extern const input_driver_t input_xinput;
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extern const input_driver_t input_linuxraw;
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extern const input_driver_t input_apple;
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extern const input_driver_t input_qnx;
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extern const input_driver_t input_null;
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#include "driver_funcs.h"
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#ifdef __cplusplus
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}
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#endif
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#endif
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