Struct wgpu::hal::api::Empty

pub struct Empty;

Trait Implementations

impl Adapter<Api> for Context

unsafe fn open( &self, features: Features, _limits: &Limits ) -> Result<OpenDevice<Api>, DeviceError>

unsafe fn texture_format_capabilities( &self, format: TextureFormat ) -> TextureFormatCapabilities

Return the set of supported capabilities for a texture format.

unsafe fn surface_capabilities( &self, surface: &Context ) -> Option<SurfaceCapabilities>

Returns the capabilities of working with a specified surface.

unsafe fn get_presentation_timestamp(&self) -> PresentationTimestamp

Creates a PresentationTimestamp using the adapter’s WSI.

impl Api for Api

type Instance = Context

type Surface = Context

type Adapter = Context

type Device = Context

type Queue = Context

type CommandEncoder = Encoder

type CommandBuffer = Resource

type Buffer = Resource

type Texture = Resource

type SurfaceTexture = Resource

type TextureView = Resource

type Sampler = Resource

type QuerySet = Resource

type Fence = Resource

type AccelerationStructure = Resource

type BindGroupLayout = Resource

type BindGroup = Resource

type PipelineLayout = Resource

type ShaderModule = Resource

type RenderPipeline = Resource

type ComputePipeline = Resource

impl Clone for Api

fn clone(&self) -> Api

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl CommandEncoder<Api> for Encoder

unsafe fn begin_encoding( &mut self, label: Option<&str> ) -> Result<(), DeviceError>

Begin encoding a new command buffer.

unsafe fn discard_encoding(&mut self)

Discard currently recorded list, if any.

unsafe fn end_encoding(&mut self) -> Result<Resource, DeviceError>

unsafe fn reset_all<I>(&mut self, command_buffers: I)

Reclaims all resources that are allocated for this encoder. Must get all of the produced command buffers back, and they must not be used by GPU at this moment.

unsafe fn transition_buffers<'a, T>(&mut self, barriers: T)

where T: Iterator<Item = BufferBarrier<'a, Api>>,

unsafe fn transition_textures<'a, T>(&mut self, barriers: T)

where T: Iterator<Item = TextureBarrier<'a, Api>>,

unsafe fn clear_buffer(&mut self, buffer: &Resource, range: Range<u64>)

unsafe fn copy_buffer_to_buffer<T>( &mut self, src: &Resource, dst: &Resource, regions: T )

unsafe fn copy_texture_to_texture<T>( &mut self, src: &Resource, src_usage: TextureUses, dst: &Resource, regions: T )

Copy from one texture to another. Works with a single array layer. Note: dst current usage has to be TextureUses::COPY_DST. Note: the copy extent is in physical size (rounded to the block size)

unsafe fn copy_buffer_to_texture<T>( &mut self, src: &Resource, dst: &Resource, regions: T )

Copy from buffer to texture. Works with a single array layer. Note: dst current usage has to be TextureUses::COPY_DST. Note: the copy extent is in physical size (rounded to the block size)

unsafe fn copy_texture_to_buffer<T>( &mut self, src: &Resource, src_usage: TextureUses, dst: &Resource, regions: T )

Copy from texture to buffer. Works with a single array layer. Note: the copy extent is in physical size (rounded to the block size)

unsafe fn begin_query(&mut self, set: &Resource, index: u32)

Safety:

unsafe fn end_query(&mut self, set: &Resource, index: u32)

Safety:

unsafe fn write_timestamp(&mut self, set: &Resource, index: u32)

unsafe fn reset_queries(&mut self, set: &Resource, range: Range<u32>)

unsafe fn copy_query_results( &mut self, set: &Resource, range: Range<u32>, buffer: &Resource, offset: u64, stride: NonZeroU64 )

unsafe fn begin_render_pass(&mut self, desc: &RenderPassDescriptor<'_, Api>)

unsafe fn end_render_pass(&mut self)

unsafe fn set_bind_group( &mut self, layout: &Resource, index: u32, group: &Resource, dynamic_offsets: &[u32] )

Sets the bind group at index to group, assuming the layout of all the preceeding groups to be taken from layout.

unsafe fn set_push_constants( &mut self, layout: &Resource, stages: ShaderStages, offset_bytes: u32, data: &[u32] )

Sets a range in push constant data.

unsafe fn insert_debug_marker(&mut self, label: &str)

unsafe fn begin_debug_marker(&mut self, group_label: &str)

unsafe fn end_debug_marker(&mut self)

unsafe fn set_render_pipeline(&mut self, pipeline: &Resource)

unsafe fn set_index_buffer<'a>( &mut self, binding: BufferBinding<'a, Api>, format: IndexFormat )

unsafe fn set_vertex_buffer<'a>( &mut self, index: u32, binding: BufferBinding<'a, Api> )

unsafe fn set_viewport(&mut self, rect: &Rect<f32>, depth_range: Range<f32>)

unsafe fn set_scissor_rect(&mut self, rect: &Rect<u32>)

unsafe fn set_stencil_reference(&mut self, value: u32)

unsafe fn set_blend_constants(&mut self, color: &[f32; 4])

unsafe fn draw( &mut self, first_vertex: u32, vertex_count: u32, first_instance: u32, instance_count: u32 )

unsafe fn draw_indexed( &mut self, first_index: u32, index_count: u32, base_vertex: i32, first_instance: u32, instance_count: u32 )

unsafe fn draw_indirect( &mut self, buffer: &Resource, offset: u64, draw_count: u32 )

unsafe fn draw_indexed_indirect( &mut self, buffer: &Resource, offset: u64, draw_count: u32 )

unsafe fn draw_indirect_count( &mut self, buffer: &Resource, offset: u64, count_buffer: &Resource, count_offset: u64, max_count: u32 )

unsafe fn draw_indexed_indirect_count( &mut self, buffer: &Resource, offset: u64, count_buffer: &Resource, count_offset: u64, max_count: u32 )

unsafe fn begin_compute_pass(&mut self, desc: &ComputePassDescriptor<'_, Api>)

unsafe fn end_compute_pass(&mut self)

unsafe fn set_compute_pipeline(&mut self, pipeline: &Resource)

unsafe fn dispatch(&mut self, count: [u32; 3])

unsafe fn dispatch_indirect(&mut self, buffer: &Resource, offset: u64)

unsafe fn build_acceleration_structures<'a, T>( &mut self, _descriptor_count: u32, descriptors: T )

where Api: 'a, T: IntoIterator<Item = BuildAccelerationStructureDescriptor<'a, Api>>,

To get the required sizes for the buffer allocations use get_acceleration_structure_build_sizes per descriptor All buffers must be synchronized externally All buffer regions, which are written to may only be passed once per function call, with the exception of updates in the same descriptor. Consequences of this limitation:

unsafe fn place_acceleration_structure_barrier( &mut self, _barriers: AccelerationStructureBarrier )

impl Debug for Api

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Device<Api> for Context

unsafe fn exit(self, queue: Context)

Exit connection to this logical device.

unsafe fn create_buffer( &self, desc: &BufferDescriptor<'_> ) -> Result<Resource, DeviceError>

Creates a new buffer.

unsafe fn destroy_buffer(&self, buffer: Resource)

unsafe fn map_buffer( &self, buffer: &Resource, range: Range<u64> ) -> Result<BufferMapping, DeviceError>

unsafe fn unmap_buffer(&self, buffer: &Resource) -> Result<(), DeviceError>

unsafe fn flush_mapped_ranges<I>(&self, buffer: &Resource, ranges: I)

unsafe fn invalidate_mapped_ranges<I>(&self, buffer: &Resource, ranges: I)

unsafe fn create_texture( &self, desc: &TextureDescriptor<'_> ) -> Result<Resource, DeviceError>

Creates a new texture.

unsafe fn destroy_texture(&self, texture: Resource)

unsafe fn create_texture_view( &self, texture: &Resource, desc: &TextureViewDescriptor<'_> ) -> Result<Resource, DeviceError>

unsafe fn destroy_texture_view(&self, view: Resource)

unsafe fn create_sampler( &self, desc: &SamplerDescriptor<'_> ) -> Result<Resource, DeviceError>

unsafe fn destroy_sampler(&self, sampler: Resource)

unsafe fn create_command_encoder( &self, desc: &CommandEncoderDescriptor<'_, Api> ) -> Result<Encoder, DeviceError>

unsafe fn destroy_command_encoder(&self, encoder: Encoder)

unsafe fn create_bind_group_layout( &self, desc: &BindGroupLayoutDescriptor<'_> ) -> Result<Resource, DeviceError>

Creates a bind group layout.

unsafe fn destroy_bind_group_layout(&self, bg_layout: Resource)

unsafe fn create_pipeline_layout( &self, desc: &PipelineLayoutDescriptor<'_, Api> ) -> Result<Resource, DeviceError>

unsafe fn destroy_pipeline_layout(&self, pipeline_layout: Resource)

unsafe fn create_bind_group( &self, desc: &BindGroupDescriptor<'_, Api> ) -> Result<Resource, DeviceError>

unsafe fn destroy_bind_group(&self, group: Resource)

unsafe fn create_shader_module( &self, desc: &ShaderModuleDescriptor<'_>, shader: ShaderInput<'_> ) -> Result<Resource, ShaderError>

unsafe fn destroy_shader_module(&self, module: Resource)

unsafe fn create_render_pipeline( &self, desc: &RenderPipelineDescriptor<'_, Api> ) -> Result<Resource, PipelineError>

unsafe fn destroy_render_pipeline(&self, pipeline: Resource)

unsafe fn create_compute_pipeline( &self, desc: &ComputePipelineDescriptor<'_, Api> ) -> Result<Resource, PipelineError>

unsafe fn destroy_compute_pipeline(&self, pipeline: Resource)

unsafe fn create_query_set( &self, desc: &QuerySetDescriptor<Option<&str>> ) -> Result<Resource, DeviceError>

unsafe fn destroy_query_set(&self, set: Resource)

unsafe fn create_fence(&self) -> Result<Resource, DeviceError>

unsafe fn destroy_fence(&self, fence: Resource)

unsafe fn get_fence_value(&self, fence: &Resource) -> Result<u64, DeviceError>

unsafe fn wait( &self, fence: &Resource, value: u64, timeout_ms: u32 ) -> Result<bool, DeviceError>

Calling wait with a lower value than the current fence value will immediately return.

unsafe fn start_capture(&self) -> bool

unsafe fn stop_capture(&self)

unsafe fn create_acceleration_structure( &self, desc: &AccelerationStructureDescriptor<'_> ) -> Result<Resource, DeviceError>

unsafe fn get_acceleration_structure_build_sizes<'a>( &self, _desc: &GetAccelerationStructureBuildSizesDescriptor<'a, Api> ) -> AccelerationStructureBuildSizes

unsafe fn get_acceleration_structure_device_address( &self, _acceleration_structure: &Resource ) -> u64

unsafe fn destroy_acceleration_structure( &self, _acceleration_structure: Resource )

impl HalApi for Api

const VARIANT: Backend = Backend::Empty

fn create_instance_from_hal(_: &str, _: <Api as Api>::Instance) -> Instance

fn instance_as_hal(_: &Instance) -> Option<&<Api as Api>::Instance>

fn hub<G>(_: &Global<G>) -> &Hub<Api>

where G: GlobalIdentityHandlerFactory,

fn get_surface(_: &Surface) -> Option<&HalSurface<Api>>

impl Instance<Api> for Context

unsafe fn init(desc: &InstanceDescriptor<'_>) -> Result<Context, InstanceError>

unsafe fn create_surface( &self, _display_handle: RawDisplayHandle, _window_handle: RawWindowHandle ) -> Result<Context, InstanceError>

unsafe fn destroy_surface(&self, surface: Context)

unsafe fn enumerate_adapters(&self) -> Vec<ExposedAdapter<Api>>

impl Queue<Api> for Context

unsafe fn submit( &self, command_buffers: &[&Resource], signal_fence: Option<(&mut Resource, u64)> ) -> Result<(), DeviceError>

Submits the command buffers for execution on GPU.

unsafe fn present( &self, surface: &Context, texture: Resource ) -> Result<(), SurfaceError>

unsafe fn get_timestamp_period(&self) -> f32

impl Surface<Api> for Context

unsafe fn configure( &self, device: &Context, config: &SurfaceConfiguration ) -> Result<(), SurfaceError>

Configures the surface to use the given device.

unsafe fn unconfigure(&self, device: &Context)

Unconfigures the surface on the given device.

unsafe fn acquire_texture( &self, timeout: Option<Duration> ) -> Result<Option<AcquiredSurfaceTexture<Api>>, SurfaceError>

Returns the next texture to be presented by the swapchain for drawing

unsafe fn discard_texture(&self, texture: Resource)