查看Advanced frame buffer compression的源代码 Advanced frame buffer compression 0

Supported pixel formats:
 *R8
 *RGB 565
 *RGB 888
 *RG88
 *RGBA4444
 *RGBA5551
 *RGBA8888
 *RGBA10-10-10-2
 *8-bit YUV420,YUV422
 *10-bit YUV420, YUV422

Header buffer: 128bits. 128 bytes aligned.
Body buffer: 
  size same as uncompressed.
  = no. superblocks * size of uncompressed superblock
  header+offse= body address
  offset = 32bit (4GB) for RGBYUV422
           28bit (268MB) for YUV420

Frame payload:
* Packed mode
* sparse mode