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adjusted the touchscreen coordinate system again to match the driver

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This commit is contained in:
Amy G. Bowersox 2021-08-25 22:24:06 -06:00
parent f436cf9200
commit e15bd3ab90
1 changed files with 2 additions and 3 deletions
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5
src/sysinput.c
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@ -150,12 +150,11 @@ static BOOL poll_touchscreen(void)
break; break;
case EV_ABS: case EV_ABS:
/* The screen driver thinks the screen is horizontal with origin at lower left and max at upper right. */ /* The screen driver thinks the screen is horizontal with origin at upper left and max at lower right. */
/* Remap coordinates so origin is at upper left and max is lower right. */
if (buffer[i].code == ABS_X) if (buffer[i].code == ABS_X)
touch_x = buffer[i].value; touch_x = buffer[i].value;
else if (buffer[i].code == ABS_Y) else if (buffer[i].code == ABS_Y)
touch_y = Fb_Info->height - buffer[i].value; touch_y = buffer[i].value;
break; break;
case EV_KEY: case EV_KEY: