# {py:mod}`simvx.graphics.shaders.variants`

```{py:module} simvx.graphics.shaders.variants
```

```{autodoc2-docstring} simvx.graphics.shaders.variants
:allowtitles:
```

## Module Contents

### Functions

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

* - {py:obj}`lit_fragment_defines <simvx.graphics.shaders.variants.lit_fragment_defines>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.lit_fragment_defines
    :summary:
    ```
* - {py:obj}`engine_shader_variants <simvx.graphics.shaders.variants.engine_shader_variants>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.engine_shader_variants
    :summary:
    ```
````

### Data

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

* - {py:obj}`__all__ <simvx.graphics.shaders.variants.__all__>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.__all__
    :summary:
    ```
* - {py:obj}`STAGE_SUFFIXES <simvx.graphics.shaders.variants.STAGE_SUFFIXES>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.STAGE_SUFFIXES
    :summary:
    ```
* - {py:obj}`PROBE_BLEND_COUNT_DEFAULT <simvx.graphics.shaders.variants.PROBE_BLEND_COUNT_DEFAULT>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.PROBE_BLEND_COUNT_DEFAULT
    :summary:
    ```
* - {py:obj}`PROBE_BLEND_COUNTS <simvx.graphics.shaders.variants.PROBE_BLEND_COUNTS>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.PROBE_BLEND_COUNTS
    :summary:
    ```
* - {py:obj}`TANGENT_VERTEX_DEFINES <simvx.graphics.shaders.variants.TANGENT_VERTEX_DEFINES>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.TANGENT_VERTEX_DEFINES
    :summary:
    ```
* - {py:obj}`TAA_UPSCALE_DEFINES <simvx.graphics.shaders.variants.TAA_UPSCALE_DEFINES>`
  - ```{autodoc2-docstring} simvx.graphics.shaders.variants.TAA_UPSCALE_DEFINES
    :summary:
    ```
````

### API

````{py:data} __all__
:canonical: simvx.graphics.shaders.variants.__all__
:value: >
   ['PROBE_BLEND_COUNT_DEFAULT', 'PROBE_BLEND_COUNTS', 'STAGE_SUFFIXES', 'TANGENT_VERTEX_DEFINES', 'TAA...

```{autodoc2-docstring} simvx.graphics.shaders.variants.__all__
```

````

````{py:data} STAGE_SUFFIXES
:canonical: simvx.graphics.shaders.variants.STAGE_SUFFIXES
:value: >
   ('.vert', '.frag', '.comp')

```{autodoc2-docstring} simvx.graphics.shaders.variants.STAGE_SUFFIXES
```

````

````{py:data} PROBE_BLEND_COUNT_DEFAULT
:canonical: simvx.graphics.shaders.variants.PROBE_BLEND_COUNT_DEFAULT
:value: >
   2

```{autodoc2-docstring} simvx.graphics.shaders.variants.PROBE_BLEND_COUNT_DEFAULT
```

````

````{py:data} PROBE_BLEND_COUNTS
:canonical: simvx.graphics.shaders.variants.PROBE_BLEND_COUNTS
:value: >
   'range(...)'

```{autodoc2-docstring} simvx.graphics.shaders.variants.PROBE_BLEND_COUNTS
```

````

````{py:data} TANGENT_VERTEX_DEFINES
:canonical: simvx.graphics.shaders.variants.TANGENT_VERTEX_DEFINES
:value: >
   ('HAS_TANGENTS',)

```{autodoc2-docstring} simvx.graphics.shaders.variants.TANGENT_VERTEX_DEFINES
```

````

````{py:data} TAA_UPSCALE_DEFINES
:canonical: simvx.graphics.shaders.variants.TAA_UPSCALE_DEFINES
:value: >
   ('TAAU',)

```{autodoc2-docstring} simvx.graphics.shaders.variants.TAA_UPSCALE_DEFINES
```

````

````{py:function} lit_fragment_defines(*, gbuffer: bool = False, tangents: bool = False, probe_blend_count: int = PROBE_BLEND_COUNT_DEFAULT) -> tuple[str, ...]
:canonical: simvx.graphics.shaders.variants.lit_fragment_defines

```{autodoc2-docstring} simvx.graphics.shaders.variants.lit_fragment_defines
```
````

````{py:function} engine_shader_variants(shader_dir: pathlib.Path) -> list[tuple[str, tuple[str, ...]]]
:canonical: simvx.graphics.shaders.variants.engine_shader_variants

```{autodoc2-docstring} simvx.graphics.shaders.variants.engine_shader_variants
```
````