About

real time ASTC texture compression by computer shader

用d3d compute shader实时压缩astc纹理，实现的是ASTC的一个子集。

Features

• texture compress in realtime
• astc4x4
• astc6x6
• alpha channel
• normal map
• compress in linear or srgb space

Dependencies

• d3d11

• stb_image.h - for image loading

Release

astc_encoder v1.0

Usage

astc_cs_enc.exe input_texture option_args

command parameter	explanation
-4x4	use format ASTC4x4，or ASTC6x6
-alpha	does have alpha channel
-norm	whether or not normal map
-srgb	whether or not encode in linear color space

example

astc_cs_enc.exe ./textures/leaf.png -alpha -4x4 -srgb

see more https://niepp.github.io/2021/12/18/Compute-ASTC.html