mirror of
https://github.com/bryanthaboi/gen1recomp
synced 2026-09-26 13:33:27 -04:00
bryanthaboi
90 lines
2.9 KiB
Lua
90 lines
2.9 KiB
Lua
#!/usr/bin/env luajit
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package.path = "./?.lua;./?/init.lua;" .. package.path
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local failed = 0
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local function check(cond, msg)
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if cond then
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print("[ok] " .. msg)
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else
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failed = failed + 1
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print("[FAIL] " .. msg)
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end
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end
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local win = { w = 1024, h = 768, pw = 1024, ph = 768 }
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local canvasCalls = {}
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local fakeCanvas = {}
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fakeCanvas.__index = fakeCanvas
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function fakeCanvas:getWidth() return self.w end
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function fakeCanvas:getHeight() return self.h end
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function fakeCanvas:setFilter() end
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_G.love = {
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graphics = {
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getDimensions = function() return win.w, win.h end,
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getPixelDimensions = function() return win.pw, win.ph end,
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getDPIScale = function() return win.ph / win.h end,
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newCanvas = function(w, h, settings)
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canvasCalls[#canvasCalls + 1] = { w = w, h = h, settings = settings }
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return setmetatable({ w = w, h = h }, fakeCanvas)
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end,
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},
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}
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package.loaded["src.core.SafeArea"] = {
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windowRect = function() return 0, 0, win.w, win.h end,
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}
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local Display = require("src.core.game3.display")
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local function isWhole(v)
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return math.abs(v - math.floor(v + 0.5)) < 1e-6
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end
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local function case(w, h, dpi, expectK)
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win.w, win.h = w, h
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win.pw, win.ph = math.floor(w * dpi + 0.5), math.floor(h * dpi + 0.5)
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local scale, ox, oy, pw, ph, scaleY = Display.fit(w, h)
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scaleY = scaleY or scale
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local dx, dy = win.pw / w, win.ph / h
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local label = ("%dx%d dpi %g"):format(w, h, dpi)
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check(isWhole(scale * dx) and isWhole(scaleY * dy),
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label .. " whole physical pixels per texel (scale " .. tostring(scale) .. ")")
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check(math.abs(scale * dx - scaleY * dy) < 1e-6, label .. " square texels")
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check(isWhole(ox * dx) and isWhole(oy * dy),
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label .. " offsets on physical pixels (" .. tostring(ox) .. "," .. tostring(oy) .. ")")
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check(ox >= 0 and ox + pw <= w + 1e-6 and oy >= 0 and oy + ph <= h + 1e-6,
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label .. " frame inside window")
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if expectK then
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check(math.abs(scale * dx - expectK) < 1e-6,
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label .. " scale is " .. expectK .. "x (got " .. tostring(scale * dx) .. ")")
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end
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end
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case(1024, 768, 1, 4)
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case(1360, 860, 1, 5)
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case(1100, 1000, 1, 4)
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case(900, 1100, 1, 3)
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case(700, 1000, 1, 2)
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case(1080, 1920, 1, 4)
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case(390, 844, 3, 4)
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case(392, 870, 2.755, 4)
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win.w, win.h, win.pw, win.ph = 1360, 860, 1360, 860
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local s, ox, oy = Display.fit(1360, 860)
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check(s == 5 and ox == 80 and oy == 30, "desktop 1360x860 unchanged (5x at 80,30)")
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win.w, win.h, win.pw, win.ph = 1100, 1000, 1100, 1000
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s, ox, oy = Display.fit(1100, 1000)
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check(s == 4 and ox == 70 and oy == 180, "desktop 1100x1000 unchanged (4x at 70,180)")
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Display._canvas = nil
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Display.ensureCanvas("main")
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local last = canvasCalls[#canvasCalls]
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check(last and last.w == 240 and last.h == 160, "canvas is 240x160")
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check(last and last.settings and last.settings.dpiscale == 1, "canvas created at dpiscale 1")
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print(("game3_display_fit_test: %s (%d failed)"):format(failed == 0 and "PASS" or "FAIL", failed))
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os.exit(failed == 0 and 0 or 1)
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