Allwinner A20 - 3.1. Mixer Processor

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 310 / 812
3.1. Mixer Processor
3.1.1. Overview
The mixer processor features:
 support multiple color formats
- ARGB 8888/4444/1555
- RGB565
- MONO 1/2/4/8 bpp
- Palette 1/2/4/8 bpp (input only)
- YUV 444/422/420
 Buffer block size up to 8192x8192 pixels
 Memory scan order option support
 Clipping support
 ROP2
- Line / Rectangle / Point
- Block fill
 ROP3
- BitBLT
- PatBLT
- StretchBLT
 ROP4
- MaskBLT
 Support 90/180/270 degree rotation
 Mirror support
 Alpha blending
- Plane & Pixel alpha support
- Output alpha configurable support
 Color key support
 Scaling
- 4x4 taps
- 32 phase
 Color space convert support