Struct GenericGraphicsDevice 

pub struct GenericGraphicsDevice {
    display_name: &'static str,
    config: Option<FramebufferConfig>,
    framebuffer_addr: Option<usize>,
    request_queue: Mutex<Vec<Box<GraphicsRequest>>>,
}

A generic implementation of a graphics device

Fields

display_name: &'static str

config: Option<FramebufferConfig>

framebuffer_addr: Option<usize>

request_queue: Mutex<Vec<Box<GraphicsRequest>>>

Implementations

impl GenericGraphicsDevice

pub fn new(display_name: &'static str) -> Self

pub fn set_framebuffer_config(&mut self, config: FramebufferConfig)

Set framebuffer configuration

pub fn set_framebuffer_address(&mut self, addr: usize)

Set framebuffer address

Trait Implementations

impl ControlOps for GenericGraphicsDevice

fn control(&self, _command: u32, _arg: usize) -> Result<i32, &'static str>

Perform a control operation

fn supported_control_commands(&self) -> Vec<(u32, &'static str)>

Get a list of supported control commands

impl Device for GenericGraphicsDevice

fn device_type(&self) -> DeviceType

fn name(&self) -> &'static str

fn as_any(&self) -> &dyn Any

fn as_any_mut(&mut self) -> &mut dyn Any

fn as_graphics_device(&self) -> Option<&dyn GraphicsDevice>

Cast to GraphicsDevice if this device is a graphics device

fn capabilities(&self) -> &'static [DeviceCapability]

Optional capabilities exposed by this device (default: none)

fn as_event_capable(&self) -> Option<&dyn EventCapableDevice>

Cast to EventCapableDevice if this device can emit events

fn as_char_device(&self) -> Option<&dyn CharDevice>

Cast to CharDevice if this device is a character device

fn as_block_device(&self) -> Option<&dyn BlockDevice>

Cast to BlockDevice if this device is a block device

fn as_network_device(&self) -> Option<&dyn NetworkDevice>

Cast to NetworkDevice if this device is a network device

fn into_block_device(self: Arc<Self>) -> Option<Arc<dyn BlockDevice>>

Cast Arc to Arc if this device is a block device This allows direct ownership of the block device for efficient I/O operations

fn into_char_device(self: Arc<Self>) -> Option<Arc<dyn CharDevice>>

Cast Arc to Arc if this device is a character device This allows direct ownership of the char device for efficient I/O operations

fn into_graphics_device(self: Arc<Self>) -> Option<Arc<dyn GraphicsDevice>>

Cast Arc to Arc if this device is a graphics device This allows direct ownership of the graphics device for efficient operations

fn into_network_device(self: Arc<Self>) -> Option<Arc<dyn NetworkDevice>>

Cast Arc to Arc if this device is a network device This allows direct ownership of the network device for efficient operations

impl GraphicsDevice for GenericGraphicsDevice

fn get_display_name(&self) -> &'static str

Get the device display name

fn get_framebuffer_config(&self) -> Result<FramebufferConfig, &'static str>

Get framebuffer configuration

fn get_framebuffer_address(&self) -> Result<usize, &'static str>

Get framebuffer memory address

fn flush_framebuffer( &self, _x: u32, _y: u32, _width: u32, _height: u32, ) -> Result<(), &'static str>

Flush framebuffer region to display

fn init_graphics(&self) -> Result<(), &'static str>

Initialize the graphics device (idempotent)

impl MemoryMappingOps for GenericGraphicsDevice

fn get_mapping_info( &self, _offset: usize, _length: usize, ) -> Result<(usize, usize, bool), &'static str>

Get mapping information for a region of the object

fn on_mapped( &self, _vaddr: usize, _paddr: usize, _length: usize, _offset: usize, )

Notification that a mapping has been created

fn on_unmapped(&self, _vaddr: usize, _length: usize)

Notification that a mapping has been removed

fn supports_mmap(&self) -> bool

Check if memory mapping is supported

fn get_mapping_info_with( &self, offset: usize, length: usize, _is_shared: bool, ) -> Result<(usize, usize, bool), &'static str>

Get mapping information with sharing intent.

fn mmap_owner_name(&self) -> String

Diagnostic helper: return a short owner name for logging

fn resolve_fault( &self, access: &AccessKind, map: &VirtualMemoryMap, ) -> Result<ResolveFaultResult, ResolveFaultError>

impl Selectable for GenericGraphicsDevice

fn wait_until_ready( &self, _interest: ReadyInterest, _trapframe: &mut Trapframe, _timeout_ticks: Option<u64>, ) -> SelectWaitOutcome

Block the current task using the provided trapframe until the interest becomes ready or the optional timeout (in ticks) expires.

fn current_ready(&self, interest: ReadyInterest) -> ReadySet

Return current readiness for the given interest set.

fn set_nonblocking(&self, _enabled: bool)

Enable or disable non-blocking I/O semantics on this object.

fn is_nonblocking(&self) -> bool

Query whether non-blocking I/O semantics are enabled on this object.