Struct Graph 

pub struct Graph { /* private fields */ }

A composable graph of Vulkan command buffer operations.

Graph instances are intended for one-time use.

The design of this code originated with a combination of PassBuilder and graph.cpp.

Implementations

impl Graph

pub fn insert_cmd_stream<'a, A>( &'a mut self, stream: &'a CommandStream<A>, ) -> CommandStreamRun<'a, A>

Inserts a command stream into this graph.

Prepared streams reduce repeated preparation work, but insertion still has argument binding, dependency reconciliation, scheduling, and recording costs.

impl Graph

pub fn new() -> Self

Constructs a default Graph.

pub fn builder() -> GraphBuilder

Creates an empty graph builder.

pub fn into_builder(self) -> GraphBuilder

Converts this graph into a builder.

pub fn begin_cmd(&mut self) -> Command<'_>

Allocates and begins writing a new command.

pub fn bind_resource<R>(&mut self, resource: R) -> R::Node

where R: Resource,

Binds a Vulkan buffer, image, or acceleration structure resource to this graph.

Bound resource nodes may be used in commands for shader pipeline operations and other general functions.

pub fn blit_image( &mut self, src: impl Into<AnyImageNode>, dst: impl Into<AnyImageNode>, filter: Filter, ) -> &mut Self

Copies an image, potentially performing format conversion.

Records a vkCmdBlitImage operation covering the full extent of the source and destination images.

pub fn clear_color_image( &mut self, image: impl Into<AnyImageNode>, color: impl Into<ClearColorValue>, ) -> &mut Self

Clears a color image.

Records a vkCmdClearColorImage operation for the full image subresource range described by the image’s ImageInfo.

pub fn clear_depth_stencil_image( &mut self, image: impl Into<AnyImageNode>, depth: f32, stencil: u32, ) -> &mut Self

Clears a depth/stencil image.

Records a vkCmdClearDepthStencilImage operation for the full image subresource range described by the image’s ImageInfo.

pub fn copy_buffer( &mut self, src: impl Into<AnyBufferNode>, dst: impl Into<AnyBufferNode>, ) -> &mut Self

Copies data between buffers.

Records a vkCmdCopyBuffer operation covering the common size of the source and destination buffers.

pub fn copy_buffer_to_image( &mut self, src: impl Into<AnyBufferNode>, dst: impl Into<AnyImageNode>, ) -> &mut Self

Copies data from a buffer into an image.

Records a vkCmdCopyBufferToImage operation covering the full destination image.

pub fn copy_image( &mut self, src: impl Into<AnyImageNode>, dst: impl Into<AnyImageNode>, ) -> &mut Self

Copies all layers of a source image to a destination image.

Records a vkCmdCopyImage operation covering the common extent of the source and destination images.

pub fn copy_image_to_buffer( &mut self, src: impl Into<AnyImageNode>, dst: impl Into<AnyBufferNode>, ) -> &mut Self

Copies image data into a buffer.

Records a vkCmdCopyImageToBuffer operation covering the full source image.

pub fn fill_buffer( &mut self, buffer: impl Into<AnyBufferNode>, region: Range<DeviceSize>, data: u32, ) -> &mut Self

Fills a region of a buffer with a fixed value.

Records a vkCmdFillBuffer operation.

pub fn finalize(self) -> Submission

Finalizes the graph and provides an object with functions for submitting the resulting commands.

pub fn resource<N>(&self, resource_node: N) -> &N::Resource

where N: Node,

Returns a borrow of the Vulkan resource represented by resource_node.

The exact return type depends on the node type:

• Concrete nodes such as BufferNode and ImageNode return the exact stored handle type, such as &Arc<Buffer> or &Arc<Image>.
• Erased nodes such as AnyBufferNode and AnyImageNode return a borrow of the underlying resource, such as &Buffer or &Image.

This distinction lets erased node enums unify owned, leased, and swapchain-backed resources behind a single resource view.

Node ownership is validated here when the checked feature is enabled. With checked disabled, callers must ensure resource_node came from this graph.

pub fn update_buffer( &mut self, buffer: impl Into<AnyBufferNode>, offset: DeviceSize, data: impl AsRef<[u8]> + 'static + Send, ) -> &mut Self

Records a vkCmdUpdateBuffer command.

Vulkan requires data to be at most 65536 bytes.

These constraints are validated by the Vulkan Validation Layer (VVL) when it is active. When the checked feature is enabled, vk-graph also validates the data size and bounds before recording the command.

Trait Implementations

impl Debug for Graph

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

Formats the value using the given formatter.

impl Default for Graph

fn default() -> Self

Returns the “default value” for a type.