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SDL: Fix a bunch of input timeout edge-cases #1541

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merged 4 commits into from
Oct 24, 2022
Merged

SDL: Fix a bunch of input timeout edge-cases #1541

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1eb2368
SDL input: Properly round the timeout value.
NiLuJe Oct 24, 2022
f65a32b
Zap debug
NiLuJe Oct 24, 2022
fc36f5b
SDL Input: if the requested timeout is below our precision, but
NiLuJe Oct 24, 2022
963ab87
Or we can just use ceil in the first place ;o).
NiLuJe Oct 24, 2022
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5 changes: 3 additions & 2 deletions ffi/SDL2_0.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -271,8 +271,9 @@ local is_in_touch = false

function S.waitForEvent(sec, usec)
local event = ffi.new("union SDL_Event")
-- TimeVal's :tomsecs if we were passed one to begin with, otherwise, -1 => block
local timeout = sec and math.floor(sec * 1000000 + usec + 0.5) / 1000 or -1
-- TimeVal to ms if we were passed one to begin with, otherwise, -1 => block.
-- NOTE: Since we have *less* precision than a timeval, we round *up*, to avoid passing zero for < 1ms timevals.
local timeout = sec and math.ceil((sec * 1000000 + usec) * (1/1000)) or -1

-- Reset the queue
inputQueue = {}
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