VideoOverlay_DiscardBuffer (changes)
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VideoOverlay
» SWI Calls
» VideoOverlay_DiscardBuffer
VideoOverlay_DiscardBuffer
(SWI &59CC5)
| Entry | |
|---|---|
| R0 | Overlay ID |
| R1 | Buffer number |
| Exit | |
|---|---|
| - | All registers preserved |
Use
Discards a buffer, allowing the driver to potentially free the memory that was allocated to it. If necessary, the buffer will be unmapped first. If the overlay is currently displaying this buffer buffer, then the overlay will be hidden.
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