Adaptive Scalable Texture Compression (ASTC Format)

 

 

출처 - http://tsubakit1.hateblo.jp/entry/2016/09/28/235632

 

Encoding Format	Description
L	Luminance-only
LA	Luminance with transparency
L+A	Luminance with uncorrelated transparency
X+Y	Surface normals
RGB	Full color
XY+Z	Surface normals with uncorrelated Z
RGBA	Full color with transparency
RGB+A	Full color with uncorrelated transparency

출처 - https://en.wikipedia.org/wiki/Adaptive_Scalable_Texture_Compression#Hardware_support

Block size (WxH)	BPP
4x4	8.00
5x4	6.40
5x5	5.12
6x5	4.27
6x6	3.56
8x5	3.20
8x6	2.67
10x5	2.56
10x6	2.13
8x8	2.00
10x8	1.60
10x10	1.28
12x10	1.07
12x12	0.89

 

 

출처 - https://www.khronos.org/opengl/wiki/ASTC_Texture_Compression

 

 모든 OpenGL ES 3.2 및 OpenGL ES 3.1+AEP GPU와 일부 OpenGL ES 3.0 GPU에서 지원합니다

{

Supported by Windows, Linux, Android (since version 5.0) on devices with appropriate hardware and drivers,[45] including:

• Adreno 400 series[46][47]
• Adreno 500 series (Mesa 18.1 for Linux and Android)
• AMD Terascale and actual GCN-architecture (Windows, Linux (r600, radeonSI))
• Intel HD Graphics for Intel Atom Z3700 series (Android)
• Intel HD Graphics for Intel Celeron N and J series (Android)
• Intel HD Graphics for Intel Pentium N and J series (Android)
• Intel HD Graphics Haswell and higher (Linux Mesa: previous Ivy Bridge nearly without stencil texturing)[48]
• Mali T6xx (midgard) series onwards[49] (Android, Linux)
• Nvidia GeForce 400 series onwards (Windows, Linux)
• Nvidia Tegra K1 (Android, Linux)
• Nvidia Tegra X1 (Android)
• PowerVR Series 6, 6XE, 6XT, 7XE and 7XT (Linux, Android)
• Vivante GC2000 series onwards (optional with GC800 and GC1000)[50]
• v3d: Driver for Broadcom ARM raspberry in Mesa (Linux)
• VIRGL: virtual Driver for virtual machines in 2018 with Mesa 18.1 (See Mesamatrix.net)
• LLVMpipe: software driver in Mesa 20.2 (Linux)
• softpipe: software driver in Mesa 20.3 (Linux)
• Zink: emulation driver in Mesa 21.1 (Linux)

출처 - https://en.wikipedia.org/wiki/OpenGL_ES

}

 

ETC2, PVRTC에 비해 실용적.

 

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