LÖVE backend + build target (compat/luajit.lua shims, Roblox build unchanged), examples/example_love, examples/example_shared (same app on Roblox and LÖVE), LuaJIT checksum tests

2026-10-08 19:31:22 -05:00
parent 81c5ad9e43
commit 66fa061089
23 changed files with 56780 additions and 17 deletions
@@ -0,0 +1,41 @@
+-- LuaJIT twin of tools/test/scripts/t_drawhash.luau: same input, same checksum => compat shims behave like Luau.
+-- usage: luajit tools/test/love/t_drawhash.lua <frames> [Widgets,Basic | all]
+dofile("tools/test/love/mock_love.lua")
+local G = dofile("build/imgui_love.lua")
+local ImGui = G.ImGui
+local FRAMES, OPEN = tonumber(arg[1] or 150), arg[2] or ""
+local open = {}
+for n in OPEN:gmatch("[^,]+") do open[n] = true end
+for _, fname in ipairs({ "TreeNode", "CollapsingHeader" }) do
+    local real = ImGui[fname]
+    ImGui[fname] = function(label, ...)
+        if open[label] or OPEN == "all" then ImGui.SetNextItemOpen(true, G.ImGuiCond.Always) end
+        return real(label, ...)
+    end
+end
+ImGui.CreateContext()
+G.ImGui_ImplLove.Init({ root = "./" })
+local io = ImGui.GetIO()
+local h = 0
+local function mix(v) h = (h * 31 + math.floor(v * 64 + 0.5)) % 2147483647 end
+for frame = 1, FRAMES do
+    love.timer.step(1 / 60)
+    G.ImGui_ImplLove.NewFrame()
+    io.DeltaTime = 1 / 60
+    if frame == 1 then io:AddMousePosEvent(0, 0) end -- (the Roblox backend reports the initial mouse position)
+    io:AddMousePosEvent(100 + (frame * 37) % 500, 60 + (frame * 53) % 600)
+    if frame % 7 == 0 then io:AddMouseButtonEvent(0, frame % 14 == 0) end
+    if frame % 11 == 0 then io:AddMouseWheelEvent(0, -1) end
+    ImGui.NewFrame()
+    ImGui.ShowDemoWindow(true)
+    ImGui.Render()
+    for _, dl in ImGui.GetDrawData().CmdLists:iter() do
+        local vb, id = dl.VtxBuffer.Buf, dl.IdxBuffer.Data
+        for i = 1, dl.VtxBuffer.Size do local o = (i - 1) * 36; mix(buffer.readf64(vb, o)); mix(buffer.readf64(vb, o + 8)); mix(buffer.readf64(vb, o + 16) * 4096); mix(buffer.readf64(vb, o + 24) * 4096); mix(buffer.readu32(vb, o + 32) / 64) end
+        for i = 1, dl.IdxBuffer.Size do mix(id[i]) end
+        for _, c in dl.CmdBuffer:iter() do mix(c.ClipRect.x); mix(c.ClipRect.y); mix(c.ClipRect.z); mix(c.ClipRect.w); mix(c.ElemCount) end
+    end
+    G.ImGui_ImplLove.RenderDrawData(ImGui.GetDrawData())
+    if frame == FRAMES - 1 then print("DRAWHASH", string.format("%d", h)) end
+end
+print("draws", MOCK_DRAWS)