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The main advantage of atlas is it saves draw calls because you use the same material instead of having multiple materials
But it's making the workflow longer if users need to make them in a painting software, it has extra steps most users won't do.
Instead some auto atlas tool would be the best solution.
It would generate atlas texture and a new material for set of 3D models you selected automatically.
Another tips to reduce number of images needed is to combine maps into color channels (like it's done for some 3D engines)
Most software like 3D Coat, Substance Painter and Designer have options to define your own image export format (or Skyline could make some image packer tool when you want to use separate images)
For example :
Roughness = blue channel
Metallic = red channel
AO = green channel
Statistics: Posted by SpiderMack — 30 Dec 2017, 23:26
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1. The image files are getting crazy in projects having D,N,R,S,E,AO maps the end game is going to be huge in size
2. Memory is going to be a thing also having all they maps yes it helps if they are all the same size but still going to be an issue.
3. Performance due to the way the Texture Arrays work we would see massive improvements if atlases where added.
So what I am asking for is this we have the ability to create atlases our self but we need skyline to be able to read the xml file that stores all the data in the atlas with their coordinates and sizes ect, this would let us convert a model that has say 6 textures times that by channels D,N,R,S,E,AO that's 36 textures down to 6 or if you only use 1 channel that's 6 textures down to 1. Below is an example the 6 images have been packed and is 1px space you can have it more
<?xml version="1.0"?>
<sprite file="testimage.bmp" name="testimage">
<frame name="1" x="1" y="1" w="1024" h="1024" />
<frame name="2" x="1026" y="1" w="1024" h="1024" />
<frame name="3" x="2051" y="1" w="1024" h="1024" />
<frame name="4" x="1" y="1026" w="1024" h="1024" />
<frame name="5" x="1026" y="1026" w="1024" h="1024" />
<frame name="6" x="2051" y="1026" w="1024" h="1024" />
</sprite>
Statistics: Posted by TattieBoJangle — 28 Dec 2017, 19:41
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