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(Libretro) implement new environment callback RETRO_ENVIRONMENT_GET_INPUT_BITMASKS

This commit is contained in:
twinaphex 2019-06-21 11:21:07 +02:00
parent 20e8dfcba5
commit 023d2cb9a9
3 changed files with 30 additions and 1 deletions
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4
dynamic.c
View File

@ -1842,6 +1842,10 @@ bool rarch_environment_cb(unsigned cmd, void *data)
break; break;
} }
case RETRO_ENVIRONMENT_GET_INPUT_BITMASKS:
/* Just falldown, the function will return true */
break;
case RETRO_ENVIRONMENT_GET_TARGET_REFRESH_RATE: case RETRO_ENVIRONMENT_GET_TARGET_REFRESH_RATE:
{ {
/* Try to use the polled refresh rate first. */ /* Try to use the polled refresh rate first. */

16
libretro-common/include/libretro.h
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@ -202,6 +202,8 @@ extern "C" {
#define RETRO_DEVICE_ID_JOYPAD_L3 14 #define RETRO_DEVICE_ID_JOYPAD_L3 14
#define RETRO_DEVICE_ID_JOYPAD_R3 15 #define RETRO_DEVICE_ID_JOYPAD_R3 15
#define RETRO_DEVICE_ID_JOYPAD_MASK 256
/* Index / Id values for ANALOG device. */ /* Index / Id values for ANALOG device. */
#define RETRO_DEVICE_INDEX_ANALOG_LEFT 0 #define RETRO_DEVICE_INDEX_ANALOG_LEFT 0
#define RETRO_DEVICE_INDEX_ANALOG_RIGHT 1 #define RETRO_DEVICE_INDEX_ANALOG_RIGHT 1
@ -1092,10 +1094,22 @@ enum retro_mod
* refresh rate/framerate. * refresh rate/framerate.
*/ */
#define RETRO_ENVIRONMENT_GET_INPUT_BITMASKS (51 | RETRO_ENVIRONMENT_EXPERIMENTAL)
/* bool * --
* Boolean value that indicates whether or not the frontend supports
* input bitmasks being returned by retro_input_state_t. The advantage
* of this is that retro_input_state_t has to be only called once to
* grab all button states instead of multiple times.
*
* If it returns true, you can pass RETRO_DEVICE_ID_JOYPAD_MASK as 'id'
* to retro_input_state_t (make sure 'device' is set to RETRO_DEVICE_JOYPAD).
* It will return a bitmask of all the digital buttons.
*/
/* VFS functionality */ /* VFS functionality */
/* File paths: /* File paths:
* File paths passed as parameters when using this api shall be well formed UNIX-style, * 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. * 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). * 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: * Other than the directory separator, cores shall not make assumptions about path format:

11
retroarch.c
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@ -2541,6 +2541,17 @@ int16_t input_state(unsigned port, unsigned device,
is in action for that button*/ is in action for that button*/
bool reset_state = false; bool reset_state = false;
if ( (device == RETRO_DEVICE_JOYPAD) &&
(id == RETRO_DEVICE_ID_JOYPAD_MASK))
{
unsigned i;
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
if (input_state(port, device, idx, i))
res |= (1 << i);
return res;
}
device &= RETRO_DEVICE_MASK; device &= RETRO_DEVICE_MASK;
if (bsv_movie_get_input(&bsv_result)) if (bsv_movie_get_input(&bsv_result))