mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-26 12:47:37 +00:00
87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
*
|
|
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef INPUT_OVERLAY_H__
|
|
#define INPUT_OVERLAY_H__
|
|
|
|
#include "../boolean.h"
|
|
#include "../libretro.h"
|
|
#include <stdint.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Overlay driver acts as a medium between input drivers
|
|
* and video driver.
|
|
*
|
|
* Coordinates are fetched from input driver, and an
|
|
* overlay with pressable actions are displayed on-screen.
|
|
*
|
|
* This interface requires that the video driver has support
|
|
* for the overlay interface.
|
|
*/
|
|
typedef struct input_overlay input_overlay_t;
|
|
|
|
typedef struct input_overlay_state
|
|
{
|
|
/* This is a bitmask of (1 << key_bind_id). */
|
|
uint64_t buttons;
|
|
/* Left X, Left Y, Right X, Right Y */
|
|
int16_t analog[4];
|
|
uint32_t keys[RETROK_LAST / 32 + 1];
|
|
} input_overlay_state_t;
|
|
|
|
#define OVERLAY_GET_KEY(state, key) (((state)->keys[(key) / 32] >> ((key) % 32)) & 1)
|
|
#define OVERLAY_SET_KEY(state, key) (state)->keys[(key) / 32] |= 1 << ((key) % 32)
|
|
#define OVERLAY_CLEAR_KEY(state, key) (state)->keys[(key) / 32] &= ~(1 << ((key) % 32))
|
|
|
|
input_overlay_t *input_overlay_new(const char *overlay);
|
|
void input_overlay_free(input_overlay_t *ol);
|
|
|
|
void input_overlay_enable(input_overlay_t *ol, bool enable);
|
|
|
|
bool input_overlay_full_screen(input_overlay_t *ol);
|
|
|
|
/* norm_x and norm_y are the result of
|
|
* input_translate_coord_viewport(). */
|
|
void input_overlay_poll(input_overlay_t *ol,
|
|
input_overlay_state_t *out, int16_t norm_x, int16_t norm_y);
|
|
|
|
/* called after all the input_overlay_poll calls to
|
|
* update the range modifiers for pressed/unpressed regions
|
|
* and alpha mods */
|
|
void input_overlay_post_poll(input_overlay_t *ol);
|
|
|
|
/* Call when there is nothing to poll. Allows overlay to
|
|
* clear certain state. */
|
|
void input_overlay_poll_clear(input_overlay_t *ol);
|
|
|
|
/* Sets a modulating factor for alpha channel. Default is 1.0.
|
|
* The alpha factor is applied for all overlays. */
|
|
void input_overlay_set_alpha_mod(input_overlay_t *ol, float mod);
|
|
|
|
/* Scales the overlay by a factor of scale. */
|
|
void input_overlay_set_scale_factor(input_overlay_t *ol, float scale);
|
|
|
|
void input_overlay_next(input_overlay_t *ol);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|