The following formats are described in the “ETC2 Compressed Texture Image Formats” chapter of the Khronos Data Format Specification.
Table B.2. Mapping of Vulkan ETC formats to descriptions
VkFormat | Khronos Data Format Specification description |
---|---|
| RGB ETC2 |
| RGB ETC2 with sRGB encoding |
| RGB ETC2 with punch-through alpha |
| RGB ETC2 with punch-through alpha and sRGB |
| RGBA ETC2 |
| RGBA ETC2 with sRGB encoding |
| Unsigned R11 EAC |
| Signed R11 EAC |
| Unsigned RG11 EAC |
| Signed RG11 EAC |