# {py:mod}`simvx.graphics.renderer.shadow_cache`

```{py:module} simvx.graphics.renderer.shadow_cache
```

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`SceneGeometry <simvx.graphics.renderer.shadow_cache.SceneGeometry>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry
    :summary:
    ```
* - {py:obj}`ShadowRowCache <simvx.graphics.renderer.shadow_cache.ShadowRowCache>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.ShadowRowCache
    :summary:
    ```
````

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`caster_row_keys <simvx.graphics.renderer.shadow_cache.caster_row_keys>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.caster_row_keys
    :summary:
    ```
* - {py:obj}`albedo_pixel_state <simvx.graphics.renderer.shadow_cache.albedo_pixel_state>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.albedo_pixel_state
    :summary:
    ```
* - {py:obj}`shadow_material_state <simvx.graphics.renderer.shadow_cache.shadow_material_state>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.shadow_material_state
    :summary:
    ```
* - {py:obj}`instance_geometry <simvx.graphics.renderer.shadow_cache.instance_geometry>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.instance_geometry
    :summary:
    ```
````

### Data

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`__all__ <simvx.graphics.renderer.shadow_cache.__all__>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.__all__
    :summary:
    ```
* - {py:obj}`POINT_KEY_WIDTH <simvx.graphics.renderer.shadow_cache.POINT_KEY_WIDTH>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.POINT_KEY_WIDTH
    :summary:
    ```
* - {py:obj}`SPOT_KEY_WIDTH <simvx.graphics.renderer.shadow_cache.SPOT_KEY_WIDTH>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SPOT_KEY_WIDTH
    :summary:
    ```
* - {py:obj}`SHADOW_MATERIAL_COLUMNS <simvx.graphics.renderer.shadow_cache.SHADOW_MATERIAL_COLUMNS>`
  - ```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SHADOW_MATERIAL_COLUMNS
    :summary:
    ```
````

### API

````{py:data} __all__
:canonical: simvx.graphics.renderer.shadow_cache.__all__
:value: >
   ['POINT_KEY_WIDTH', 'SHADOW_MATERIAL_COLUMNS', 'SPOT_KEY_WIDTH', 'SceneGeometry', 'ShadowRowCache', ...

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.__all__
```

````

````{py:data} POINT_KEY_WIDTH
:canonical: simvx.graphics.renderer.shadow_cache.POINT_KEY_WIDTH
:value: >
   5

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.POINT_KEY_WIDTH
```

````

````{py:data} SPOT_KEY_WIDTH
:canonical: simvx.graphics.renderer.shadow_cache.SPOT_KEY_WIDTH
:value: >
   9

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SPOT_KEY_WIDTH
```

````

````{py:data} SHADOW_MATERIAL_COLUMNS
:canonical: simvx.graphics.renderer.shadow_cache.SHADOW_MATERIAL_COLUMNS
:value: >
   ('albedo', 'features', 'albedo_tex', 'alpha_mode', 'alpha_cutoff', 'uv_rotation', 'uv_offset', 'uv_s...

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SHADOW_MATERIAL_COLUMNS
```

````

````{py:function} caster_row_keys(lights: numpy.ndarray | None, rows: int) -> tuple[numpy.ndarray, numpy.ndarray]
:canonical: simvx.graphics.renderer.shadow_cache.caster_row_keys

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.caster_row_keys
```
````

````{py:function} albedo_pixel_state(materials: numpy.ndarray, generations: dict[int, int] | None) -> numpy.ndarray
:canonical: simvx.graphics.renderer.shadow_cache.albedo_pixel_state

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.albedo_pixel_state
```
````

````{py:function} shadow_material_state(materials: numpy.ndarray | None, generations: dict[int, int] | None = None) -> numpy.ndarray | None
:canonical: simvx.graphics.renderer.shadow_cache.shadow_material_state

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.shadow_material_state
```
````

`````{py:class} SceneGeometry
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry
```

````{py:attribute} atlas_generation
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.atlas_generation
:type: int
:value: >
   None

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.atlas_generation
```

````

````{py:attribute} models
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.models
:type: numpy.ndarray | None
:value: >
   None

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.models
```

````

````{py:attribute} meshes
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.meshes
:type: numpy.ndarray | None
:value: >
   None

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.meshes
```

````

````{py:attribute} materials
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.materials
:type: numpy.ndarray | None
:value: >
   None

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.materials
```

````

````{py:attribute} material_state
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.material_state
:type: numpy.ndarray | None
:value: >
   None

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.material_state
```

````

````{py:attribute} blocks
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.blocks
:type: tuple[tuple[int, ...], ...] | None
:value: >
   ()

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.blocks
```

````

````{py:attribute} instances_known
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.instances_known
:type: bool
:value: >
   True

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.instances_known
```

````

````{py:method} matches(other: simvx.graphics.renderer.shadow_cache.SceneGeometry | None) -> bool
:canonical: simvx.graphics.renderer.shadow_cache.SceneGeometry.matches

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.SceneGeometry.matches
```

````

`````

`````{py:class} ShadowRowCache()
:canonical: simvx.graphics.renderer.shadow_cache.ShadowRowCache

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.ShadowRowCache
```

```{rubric} Initialization
```

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.ShadowRowCache.__init__
```

````{py:attribute} __slots__
:canonical: simvx.graphics.renderer.shadow_cache.ShadowRowCache.__slots__
:value: >
   ('_geometry', '_point_keys', '_spot_keys')

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.ShadowRowCache.__slots__
```

````

````{py:method} stale_rows(geometry: simvx.graphics.renderer.shadow_cache.SceneGeometry, point_keys: numpy.ndarray, spot_keys: numpy.ndarray) -> tuple[numpy.ndarray, numpy.ndarray]
:canonical: simvx.graphics.renderer.shadow_cache.ShadowRowCache.stale_rows

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.ShadowRowCache.stale_rows
```

````

`````

````{py:function} instance_geometry(renderer: typing.Any, atlas_generation: int) -> simvx.graphics.renderer.shadow_cache.SceneGeometry
:canonical: simvx.graphics.renderer.shadow_cache.instance_geometry

```{autodoc2-docstring} simvx.graphics.renderer.shadow_cache.instance_geometry
```
````