Gideros 2025.1

hgy29 · December 2024

First Gideros of 2025 is there.

A few improvements and fixes for the new year!

Improvements

[html5] Update to latest emscripten
[plugin/reactphysics3d] Update to 0.10.2 (except iOS)
[gfx/mesh] Allow setting custom attributes from buffer objects
[sprite/particles] add Partcles:setMinimumSize() call
[luau/buffer] Allow fast byte access to luau buffers
[backend/Metal] Support vertex bound textures

Fixes
[export/linux] Handle fullscreen on secondary screen
[plugin/fastnoise] Fix integration for iOS

Download it from here:
http://giderosmobile.com/download

keszegh · December 2024

thanks, perfect timing. can you explain, give example for what is this:
[gfx/mesh] Allow setting custom attributes from buffer objects

hgy29 · December 2024

keszegh said:
thanks, perfect timing. can you explain, give example for what is this:
[gfx/mesh] Allow setting custom attributes from buffer objects

This is linked to Mesh:setGenericArray() call, which can be used to set custom shaders specific attributes. Now this call accepts a luau buffer object instead of a table.

MoKaLux · January 1

Thank you captain

I can't wait to try new reactphysics3D

MoKaLux · January 2

https://gcup.ru/news/gideros_2025_1/2025-01-03-15929

keszegh · January 6

could you remind me please which is the oldest macOS on which exported apps can run (QT/native export)? and if this will remain the same for the foreseeable future? (i consider buying an old machine for testing, but i don't want it to be useless for this too soon)
thanks

keszegh · January 7

emergency error.
@hgy29, i tried to test my exported app on a mac and got the following error on startup (and crash):
require("ImGui")
line crashes with:
"Module ImGui not found."

other exports work fine (windows qt and linux native tested)

keszegh · January 7

i installed gideros studio on the mac.
a test app with only the line
require "ImGui"
runs fine in the player but when exported it also crashes with the error
"Module ImGui not found."

edit: an app i exported in 2024.09.04 already has this issue, while an app back from 2023.07.11 works fine.

clarification: the issue happens with mac qt export (i don't even know how to run an 'apple' export).

hgy29 · January 7

@keszegh, can you double check the presence of libimgui.dylib in the plugins folder in exported project ?

keszegh · January 7

@hgy29 , yes it is there, this is the app:
https://www.dropbox.com/scl/fi/ras9yixs4dto7wq3tyusf/fragmenter_mac_2025.01.06.zip?rlkey=9wnb2ww9o6s5uvux14p6vwowh&dl=0

or more precisely this link is better (in the first one the require call is done with a pcall and so the error is thrown a bit later):
https://www.dropbox.com/scl/fi/k5pc0xaplo8j6grcf4md0/fragmenter_mac_v2.zip?rlkey=21iymgmpiidwl7ba7jj4ry2bg&dl=0

hgy29 · January 7

@keszegh,
I have bad news for you: the desktop export on macos doesn't search for its plugins in the expected folder. It can be fixed but will require new Gideros build.
However, and unless you are using plugins or features not supported in Apple export, you should really go for the latter if you can afford an apple signing key and using Xcode.

keszegh · January 7

@hgy29 , it is actually not bad but good news that you have found the error. i will wait for a new gideros build (no hurries) and test my app then again, hopefully it will work fine. i'm afraid an apple signing key and Xcode is more than i'm willing to invest into my mac user base at this point.
thanks, as always, amazing support (and i guess it is good to know that there was such a stupid major bug in the mac qt export).

keszegh · January 7

any guess when that build could be expected approximately?

keszegh · January 8

keszegh said:
could you remind me please which is the oldest macOS on which exported apps can run (QT/native export)? and if this will remain the same for the foreseeable future? (i consider buying an old machine for testing, but i don't want it to be useless for this too soon)
thanks

this question was lost although still relevant. thanks

hgy29 · January 8

keszegh said:
could you remind me please which is the oldest macOS on which exported apps can run (QT/native export)? and if this will remain the same for the foreseeable future? (i consider buying an old machine for testing, but i don't want it to be useless for this too soon)
thanks

It should be macOS 12 according to QT documentation for 6.8 version

hgy29 · January 13

I have released Gideros 2025.1.1, with a few fixes regarding Metal and OpenGL rendering under specific cases (instancing, vertex shader textures, etc)

keszegh · January 13

thanks @hgy29 , i will test.
that luau native code thingy means that code runs faster?

hgy29 · January 13

keszegh said:

that luau native code thingy means that code runs faster?

Yes, it is basically JIT compiling. From the tests I made, it is particularly effective on computation functions. To enable it on platforms where it is supported, you need to add '@native' tag before the function declaration.

keszegh · January 13

hgy29 said:

keszegh said:

that luau native code thingy means that code runs faster?
Yes, it is basically JIT compiling. From the tests I made, it is particularly effective on computation functions. To enable it on platforms where it is supported, you need to add '@native' tag before the function declaration.

why isn't it default? or at least there should be an option to set it globally, not just per function. or is there any possible drawback?

MoKaLux · January 13

@keszegh there seem to be some limitations https://create.roblox.com/docs/luau/native-code-gen#limits-and-troubleshooting

MoKaLux · January 13

https://wiki.gideros.rocks/index.php/Native_Code_Generation
I don't know yet if Gideros makes use of --!native, I will have to dig deeper

MoKaLux · January 13

EDIT: It seems --!native doesn't work?

--!native
local num = 1
local time1 = os.clock()
local time2
--(at)native
function rep()
	repeat
		num += 1
		until num == 10^9
	time2 = os.clock()
end
rep()
print(num, time2 - time1)
-- results:
--- without (at)native: 1000000000	11.400012800000695
--- with (at)native: 1000000000	7.631150999997772
--
--- with --!native without (at)native: 1000000000	11.400012800000695

hgy29 · January 14

keszegh said:

why isn't it default? or at least there should be an option to set it globally, not just per function. or is there any possible drawback?

Because it is a beta feature of luau, and because Gideros has specific operators over luau, which may not be handled by luau codegen, so not all functions will work correctly when compiled to native code, although I’ll do my best to complete luau codegen over time.
Consider this is still a beta at gideros side. Also it is not supported on android and iOS, which is sad because android is where it would have been the most useful.

keszegh · January 17

@hgy29 , i've tested and mac export now runs fine, thanks.
there is a less serious issue on the other hand, whenever i close the app on mac (either by code or by pressing the close button in the corner) i get a warning:
https://ibb.co/93J70fj

MoKaLux · January 18

Some feedback please

I am using shapes with setLineStyle but I have some color bleeding

My code:

	local img = Shape.new()
	img:setLineStyle(params.shapelinewidth, params.shapelinecolor, params.shapelinealpha) -- (width, color, alpha)
	if params.color then
		img:setFillStyle(Shape.SOLID, params.color)
	else
		img:setFillStyle(Shape.NONE)
	end
	img:beginPath()
	img:moveTo(0, 0)
	img:lineTo(params.w, 0)
	img:lineTo(params.w, params.h)
	img:lineTo(0, params.h)
	img:lineTo(0, 0)
	img:endPath()
	img:setRotation(params.rotation)
	img:setAlpha(params.alpha)
	self:addChild(img) -- of Sprite class

And some pics that show the bleeding on some shapes (rectangles, ovals, ...).
You can see the bleeding on rectangles on the top left corners.

It seems the outline is going too far inside the shape from the left? especially visible on the bleed03.png image on the weird shape

PS: hgy29 don't you like my PR?

https://github.com/gideros/gideros/pull/571

keszegh · January 18

@hgy29 , in MacOS QT export secondary window (Screen.new plus Viewport.new) is faulty, things not appearing, freezes when put to full-screen, etc.
i cannot do now a more granular test sadly, to pinpoint the issue more precisely.
if someone has a Mac and want to test, here is the app:
https://longtitle-productions.itch.io/fragmenter

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