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mirror of https://github.com/20kdc/OC-KittenOS.git synced 2024-11-01 08:10:58 +11:00
OC-KittenOS/code/libs/sys-gpualloc.lua

105 lines
3.0 KiB
Lua

-- This is released into the public domain.
-- No warranty is provided, implied or otherwise.
return function (
gpus, screens,
getMonitorSettings, settings, sRattle, saveSettings,
announceFreeMonitor, pid, claimed, sendSig,
monitorClaims, monitorPool, currentGPUUsers, currentGPUBinding,
address
)
neo.ensureType(address, "string")
for _, monitor in ipairs(monitorPool) do
if monitor.address == address then
-- find GPU
local gpu, bestStats = nil, {-math.huge, -math.huge, -math.huge}
currentGPUBinding = {}
for k, _ in pairs(currentGPUBinding) do
currentGPUBinding[k] = nil
end
for v in gpus() do
v.bind(monitor.address, false)
local w, h = v.maxResolution()
local quality = w * h * v.maxDepth()
local users = (currentGPUUsers[v.address] or 0)
local gquality = 0
for scr in screens() do
v.bind(scr.address, false)
w, h = v.maxResolution()
local squality = w * h * v.maxDepth()
gquality = math.max(gquality, squality)
end
local stats = {quality, -users, -gquality}
for i = 1, #stats do
if stats[i] > bestStats[i] then
gpu = v
bestStats = stats
break
elseif stats[i] < bestStats[i] then
break
end
end
end
-- setup monitor
if gpu then
monitor.setPrecise(true)
monitor.turnOn()
gpu.bind(address, false)
currentGPUBinding[gpu.address] = address
local maxW, maxH = gpu.maxResolution()
local maxD = gpu.maxDepth()
local w, h, d, t = getMonitorSettings(address)
w, h, d = math.min(w, maxW), math.min(h, maxH), math.min(d, maxD)
if monitor.setTouchModeInverted then
monitor.setTouchModeInverted(t == "yes")
else
t = "no"
end
settings["scr.w." .. monitor.address] = tostring(w)
settings["scr.h." .. monitor.address] = tostring(h)
settings["scr.d." .. monitor.address] = tostring(d)
settings["scr.t." .. monitor.address] = t
sRattle("scr.w." .. monitor.address, tostring(w))
sRattle("scr.h." .. monitor.address, tostring(h))
sRattle("scr.d." .. monitor.address, tostring(d))
sRattle("scr.t." .. monitor.address, t)
gpu.setResolution(w, h)
gpu.setDepth(d)
pcall(saveSettings)
-- finish up
gpu = gpu.address
currentGPUUsers[gpu] = (currentGPUUsers[gpu] or 0) + 1
local disclaimer = function (wasDevLoss)
-- we lost it
monitorClaims[address] = nil
claimed[address] = nil
if not wasDevLoss then
currentGPUUsers[gpu] = currentGPUUsers[gpu] - 1
table.insert(monitorPool, monitor)
announceFreeMonitor(address, pid)
else
sendSig("lost", address)
end
end
claimed[address] = disclaimer
monitorClaims[address] = {gpu, disclaimer}
table.remove(monitorPool, k)
return function ()
for v in gpus() do
if v.address == gpu then
local didBind = false
if currentGPUBinding[gpu] ~= address then
v.bind(address, false)
didBind = true
end
currentGPUBinding[gpu] = address
return v, didBind
end
end
end, v
end
end
end
end