PROTOCOLS
DisplayCaptureImpl
Defined in fuchsia.hardware.display.capture/display-capture.banjo
ImportImageForCapture
Import BufferCollection backed VMO pointed to by index.
Importing the VMO usually involves pinning the VMO and updating display
controller hardware registers with the physical address of the VMO to be
used for capture. Returns out_capture_handle which maps to the allocated
resource
Request
Response
| Name | Type |
|---|
s |
zx/status
|
capture_handle |
uint64
|
IsCaptureCompleted
Returns true if capture is completed. False otherwise.
Request
Response
ReleaseCapture
Releases resources allocated by capture_handle.
Releasing resources from an active capture is not allowed and will cause
unexpected behavior.
Request
| Name | Type |
|---|
capture_handle |
uint64
|
Response
SetDisplayCaptureInterface
The function will only be called once, and it will be called before any other
functions are called.
Request
Response
StartCapture
Starts capture into the resource mapped by capture_handle (non-blocking)
Only one active capture is allowed at a time.
A valid image must be displayed during capture. Otherwise unexpected hardware
behavior might occur.
Drivers should not leave display hardware in this unexpected state.
Drivers are expected to stop and/or abort capture if no valid
image is being displayed.
Request
| Name | Type |
|---|
capture_handle |
uint64
|
Response
DisplayCaptureInterface
Defined in fuchsia.hardware.display.capture/display-capture.banjo
OnCaptureComplete
Request
Response
STRUCTS
TYPE ALIASES
