SurfaceTextureClient

jeromegsq · May 2015

Hello,

I'm creating a Endless Runner like.
It works well on High performances devices but when i try on a low performances devices it lags every time.

I have found something, each lags seems to correspond with a message in the console (exemple):

SurfaceTextureClient [STC::queueBuffer] (this:0x51987540) fps:59.56, dur:1007.42, max:30.64, min:8.94

Do you know what is it ?

Also i try to remove garbage collector, force etc. It remove some lags but not every lags.

Thank

ar2rsawseen · May 2015

One thing to make sure in endless runner, is never destroy anything, but always reuse.
Reuse sprites, reuse box2d bodies, etc.

Here is an example pool for reusing object:

http://giderosmobile.com/forum/discussion/comment/36045#Comment_36045

don't know about the message though

pie · May 2015

@jeromegsq are you using texturepacks?

jeromegsq · June 2015

@ar2rsawseen I use this method thank.

@pie no i don't use texturepacks. Should i do ?

pie · June 2015

@jeromegsq I think you should.
Once a texturepack is loaded, switching its textures is pretty quick. If gideros have to load a new file everytime you need a new texture you risk bottlenecks and lags.
Just to be on the safe side I would give it a try

SinisterSoft · June 2015

@jeromegsq you should put as many objects for a level into the same texture pack as you can, it will speed up drawing.

jeromegsq · June 2015

@SinisterSoft
Ok so this kind of img is not recommended ?

keszegh · June 2015

what you can do is that you work with separate images while working on the game and you add images frequently (desktop player is fast enough anyway) and when you are close to finishing the game you pack them into one texturepack to make the game faster.
(of course it's a cold shower if you realize only at the end that it is too slow on a phone, so you should test it from time to time on phone (and packing the current images into one)).

it's easy to make a texture initializing function which first checks in the pack and then for a separate file so that you don't need to change your code when you pack some things together.

e.g.:

imgBase = "images/"
texturepack=TexturePack.new(imgBase.."texturepack.txt",imgBase.."texturepack.png", true)    
 
function getTexture(filename)  
  local texture=texturepack:getTextureRegion(filename)
  if texture==nil then texture=Texture.new(imgBase..filename,true) end
  return texture
end

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