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Add support for 64 buttons in udev gamepads

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It seems only 16 were only really supported anyway due to the
usage of BITS_COPY16_PTR (which only copies 16 bit states)?
This commit is contained in:
David Guillen Fandos 2020-11-12 23:18:31 +01:00
parent 4382772a79
commit bf48757a2e
2 changed files with 9 additions and 2 deletions
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4
input/drivers_joypad/udev_joypad.c
View File

@ -49,7 +49,7 @@
* Code adapted from SDL 2.0's implementation.
*/
#define UDEV_NUM_BUTTONS 32
#define UDEV_NUM_BUTTONS 64
#define NUM_AXES 32
#ifndef NUM_HATS
@ -638,7 +638,7 @@ static void udev_joypad_get_buttons(unsigned port, input_bits_t *state)
if (pad)
{
BITS_COPY16_PTR( state, pad->buttons );
BITS_COPY64_PTR( state, pad->buttons );
}
else
BIT256_CLEAR_ALL_PTR(state);

7
libretro-common/include/retro_miscellaneous.h
View File

@ -152,6 +152,13 @@ static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count)
BITS_GET_ELEM_PTR(a, 0) = (bits); \
}
#define BITS_COPY64_PTR(a,bits) \
{ \
BIT128_CLEAR_ALL_PTR(a); \
BITS_GET_ELEM_PTR(a, 0) = (bits); \
BITS_GET_ELEM_PTR(a, 1) = (bits >> 32); \
}
/* Helper macros and struct to keep track of many booleans. */
/* This struct has 256 bits. */
typedef struct