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Main_H
Background
AUX
cropped
MAIN cropped
MAIN
AUX
Main_H_skip
Main_H_use
Main_V_skip
Aux_H_skip
Aux_H_use
Aux_H
Main
_V_use
Main
_V
Aux
_V_skip
Aux
_V
Aux
_V_use
MAIN
AUX
BACKGROUND
Aux On Top
Internal Modules
228
SPRUHI7A – December 2012 – Revised June 2016
Copyright © 2012–2016, Texas Instruments Incorporated
High-Definition Video Processing Subsystem (HDVPSS)
Pixels where the Main and Aux overlap are controlled by a global configuration bit
(VCOMP
→
reg9.cfg_main_aux_n_ontop) that determines whether the Main or the Aux is on top. An
example of the config bit set for Aux on Top is shown in
.
Figure 1-158. Overlap Region
The Main and Aux layers can be positioned anywhere over the background layer. The Main and Aux
layers can optionally be cropped in the horizontal and vertical directions as shown in
Figure 1-159. Cropping of Input Layers