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mirror of https://github.com/20kdc/OC-KittenOS.git synced 2024-11-26 20:38:06 +11:00
OC-KittenOS/code/libs/sys-gpualloc.lua
20kdc dcd7154ec2 License 'change' (Please see #5)
This license change should only increase the amount of stuff people can do in countries where the public domain is not a valid concept.
If this license somehow restricts you as opposed to the previous one, please file an issue.
2021-01-12 12:16:50 +00:00

108 lines
3.6 KiB
Lua

-- Copyright (C) 2018-2021 by KittenOS NEO contributors
--
-- Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted.
--
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
-- THIS SOFTWARE.
return function (
gpus, screens,
getMonitorSettings, settings, sRattle, saveSettings,
announceFreeMonitor, pid, claimed, sendSig,
monitorClaims, monitorPool, currentGPUUsers, currentGPUBinding,
address
)
neo.ensureType(address, "string")
for k, monitor in ipairs(monitorPool) do
if monitor.address == address then
-- find GPU
local gpu, bestStats = nil, {-math.huge, -math.huge, -math.huge}
for a, _ in pairs(currentGPUBinding) do
currentGPUBinding[a] = 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, monitor
end
end
end
end