class VsyncReceiver
Defined at line 27 of file ../../src/graphics/display/drivers/amlogic-display/vsync-receiver.h
Receives Vertical Sync (Vsync) interrupts triggered by the display engine
indicating that the display engine finishes presenting a frame to the
display device.
Public Members
static const size_t kOnVsyncTargetSizePublic Methods
zx::result<std::unique_ptr<VsyncReceiver>> Create (fidl::UnownedClientEnd<fuchsia_hardware_platform_device::Device> platform_device, VsyncHandler on_vsync)Factory method intended for production use.
Creates a VsyncReceiver that is receiving Vsync interrupts.
`platform_device` must be valid.
`on_vsync` is called when the display engine finishes presenting a frame
to the display device and triggers a Vsync interrupt. Must be non-null.
Defined at line 28 of file ../../src/graphics/display/drivers/amlogic-display/vsync-receiver.cc
void VsyncReceiver (const VsyncReceiver & )Defined at line 55 of file ../../src/graphics/display/drivers/amlogic-display/vsync-receiver.h
VsyncReceiver & operator= (const VsyncReceiver & )Defined at line 56 of file ../../src/graphics/display/drivers/amlogic-display/vsync-receiver.h
void VsyncReceiver (zx::interrupt vsync_irq, VsyncHandler on_vsync, fdf::SynchronizedDispatcher irq_handler_dispatcher)Production code should prefer the factory method `Create()`.
`irq_handler_dispatcher` must not be empty.
`vsync_irq` must be valid.
`on_vsync` must be non-null.
Defined at line 69 of file ../../src/graphics/display/drivers/amlogic-display/vsync-receiver.cc
void ~VsyncReceiver ()Defined at line 77 of file ../../src/graphics/display/drivers/amlogic-display/vsync-receiver.cc
zx::result<> SetReceivingState (bool receiving)If `receiving` is true, starts receiving Vsync interrupts; otherwise, stops
receiving Vsync interrupts.
This method is idempotent.
Defined at line 90 of file ../../src/graphics/display/drivers/amlogic-display/vsync-receiver.cc