render_context

Structs

`AlphaMaskPaint`

Vector paint used to construct a surface-local alpha mask.

Properties

`opacity`

Type: f32

`Color`

Linear RGBA color used by the low-level renderer.

Implementations

`hlca`

pub fn hlca(h: f32, l: f32, c: f32, a: f32) -> Self

Construct a color from HLC/Lab-style components plus alpha.

`hsva`

pub fn hsva(h: f32, s: f32, v: f32, a: f32) -> Self

Construct a color from HSV plus alpha, with hue normalized to 0.0-1.0.

`rgba`

pub fn rgba(r: f32, g: f32, b: f32, a: f32) -> Self

Construct a color from linear RGBA channels in the range 0.0-1.0.

`DrawRange`

Normalized visible range for a stroked vector path.

Properties

`start`

Type: f32

`end`

Type: f32

`enabled`

Type: bool

`GradientStop`

One color stop in a GPU gradient fill.

Properties

`color`

Type: Color

`stop`

Type: f32

`Material`

Light-reactive material coefficients for a tessellated vector path.

Properties

`coefficients`

Type: [f32; 4]

`emissive`

Type: [f32; 4]

`unlit`

Type: bool

`ResourceChurnStats`

Resource churn counters for renderer profiling.

Properties

`flushes`

Type: u64

`retained_scene_resets`

Type: u64

`vector_batch_flushes`

Type: u64

`vector_buffer_rebuilds`

Type: u64

`vector_geometry_rebuilds`

Type: u64

`vector_geometry_cache_hits`

Type: u64

`vector_geometry_cache_misses`

Type: u64

`vector_geometry_cache_evictions`

Type: u64

`vector_geometry_cache_bytes`

Type: u64

`tessellated_vertices`

Type: u64

`tessellated_indices`

Type: u64

`cached_vertices_reused`

Type: u64

`cached_indices_reused`

Type: u64

`vector_resource_creates`

Type: u64

`vector_resource_updates`

Type: u64

`vector_resource_recreates`

Type: u64

`vector_resource_create_bytes`

Type: u64

`vector_resource_update_bytes`

Type: u64

`vector_resource_cache_hits`

Type: u64

`vector_resource_cache_misses`

Type: u64

`vector_resource_cache_evictions`

Type: u64

`vector_resource_cache_bytes`

Type: u64

`texture_creates`

Type: u64

`texture_upload_bytes`

Type: u64

`retained_nodes_considered`

Type: u64

`retained_nodes_visible`

Type: u64

`retained_draw_batches`

Type: u64

`retained_draws`

Type: u64

`retained_vector_draws`

Type: u64

`retained_image_draws`

Type: u64

`SceneLight`

A resolved scene light for the low-level renderer.

Properties

`shape`

Type: LightShape

`position`

Type: [f32; 3]

`direction`

Type: [f32; 3]

`color`

Type: Color

`intensity`

Type: f32

`radius`

Type: f32

`SceneLighting`

Resolved lighting state for one retained vector scene.

Properties

`active`

Type: bool

`ambient_is_authored`

Type: bool

`ambient_color`

Type: Color

`ambient_intensity`

Type: f32

`lights`

Type: Vec<SceneLight>

`Stroke`

Stroke style for a tessellated vector path.

Properties

`fill`

Type: Fill

`weight`

Type: f32

`cap`

Type: StrokeCap

`join`

Type: StrokeJoin

`WgpuRenderer`

Retained scene renderer that records Pax vector/image commands and flushes them through wgpu.

Implementations

`clip_alpha`

pub fn clip_alpha(&mut self, paints: Vec<AlphaMaskPaint>, feather: f32)

Installs a painted alpha mask in the current save/restore scope.

`current_transform`

pub fn current_transform(&self) -> Transform2D

Current transform at the top of the render-state stack.

`fill_path`

pub fn fill_path(&mut self, path: Path, fill: Fill)

Queue a filled vector path into the current retained node.

`fill_path_with_material_and_opacity`

pub fn fill_path_with_material_and_opacity(&mut self, path: Path, fill: Fill, material: Material, opacity: f32)

Queue a filled vector path with material response and an extra opacity multiplier.

`fill_path_with_material_and_opacity_and_smoothing`

pub fn fill_path_with_material_and_opacity_and_smoothing(&mut self, path: Path, fill: Fill, material: Material, opacity: f32, smoothing: PathSmoothing)

Queue a filled vector path with material response, opacity, and optional smoothing.

`fill_path_with_opacity`

pub fn fill_path_with_opacity(&mut self, path: Path, fill: Fill, opacity: f32)

Queue a filled vector path with an extra opacity multiplier.

`new`

pub fn new(render_backend: RenderBackend<'w>) -> Self

Create a retained renderer around a low-level RenderBackend.

`reset_retained_scene`

pub fn reset_retained_scene(&mut self)

Drop retained scene state for a surface that has been rebound to a new tile origin.

`set_surface_transform`

pub fn set_surface_transform(&mut self, transform: Transform2D)

Set the base transform for the physical surface tile being rendered.

`share_vector_caches_from`

pub fn share_vector_caches_from(&mut self, other: &Self)

Share vector resource caches with another renderer for the same logical layer.

`stroke_path`

pub fn stroke_path(&mut self, path: Path, stroke: Stroke)

Queue a stroked vector path into the current retained node.

`stroke_path_with_draw_range_and_material_and_opacity`

pub fn stroke_path_with_draw_range_and_material_and_opacity(&mut self, path: Path, stroke: Stroke, material: Material, opacity: f32, draw_range: DrawRange)

Queue a draw-ranged stroked vector path with material response and an extra opacity multiplier.

`stroke_path_with_draw_range_and_material_and_opacity_and_smoothing`

pub fn stroke_path_with_draw_range_and_material_and_opacity_and_smoothing(&mut self, path: Path, stroke: Stroke, material: Material, opacity: f32, draw_range: DrawRange, smoothing: PathSmoothing)

Queue a draw-ranged stroked vector path with material response, opacity, and optional smoothing.

`stroke_path_with_material_and_opacity`

pub fn stroke_path_with_material_and_opacity(&mut self, path: Path, stroke: Stroke, material: Material, opacity: f32)

Queue a stroked vector path with material response and an extra opacity multiplier.

`stroke_path_with_material_and_opacity_and_smoothing`

pub fn stroke_path_with_material_and_opacity_and_smoothing(&mut self, path: Path, stroke: Stroke, material: Material, opacity: f32, smoothing: PathSmoothing)

Queue a stroked vector path with material response, opacity, and optional smoothing.

`stroke_path_with_opacity`

pub fn stroke_path_with_opacity(&mut self, path: Path, stroke: Stroke, opacity: f32)

Queue a stroked vector path with an extra opacity multiplier.

`take_resource_churn_stats`

pub fn take_resource_churn_stats(&mut self) -> ResourceChurnStats

Return and reset accumulated resource churn counters.

Enums

`Fill`

Fill style for a tessellated vector path.

Variants

`Solid`(`Color`)

`Gradient` { `gradient_type`: `GradientType`, `pos`: `Point2D`, `main_axis`: `Vector2D`, `off_axis`: `Vector2D`, `stops`: `Vec`<`GradientStop`> }

`GradientType`

Shape of a GPU gradient fill.

Variants

`Linear`

`Radial`

`LightShape`

Shape of a scene light.

Variants

`Point`

`Directional`

`StrokeCap`

Stroke end-cap style.

Variants

`Butt`

`Round`

`Square`

`StrokeJoin`

Stroke join style.

Pax Docs

Solid(Color)

Gradient { gradient_type: GradientType, pos: Point2D, main_axis: Vector2D, off_axis: Vector2D, stops: Vec<GradientStop> }

`Solid`(`Color`)

`Gradient` { `gradient_type`: `GradientType`, `pos`: `Point2D`, `main_axis`: `Vector2D`, `off_axis`: `Vector2D`, `stops`: `Vec`<`GradientStop`> }