#[repr(C)]
pub struct ImageSubresourceRange { pub aspect: TextureAspect, pub base_mip_level: u32, pub mip_level_count: Option<u32>, pub base_array_layer: u32, pub array_layer_count: Option<u32>, }
Expand description

Subresource range within an image

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§aspect: TextureAspect

Aspect of the texture. Color textures must be TextureAspect::All.

§base_mip_level: u32

Base mip level.

§mip_level_count: Option<u32>

Mip level count. If Some(count), base_mip_level + count must be less or equal to underlying texture mip count. If None, considered to include the rest of the mipmap levels, but at least 1 in total.

§base_array_layer: u32

Base array layer.

§array_layer_count: Option<u32>

Layer count. If Some(count), base_array_layer + count must be less or equal to the underlying array count. If None, considered to include the rest of the array layers, but at least 1 in total.

Implementations§

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impl ImageSubresourceRange

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pub fn is_full_resource( &self, format: TextureFormat, mip_levels: u32, array_layers: u32 ) -> bool

Returns if the given range represents a full resource, with a texture of the given layer count and mip count.


let range_none = wgpu::ImageSubresourceRange {
    aspect: wgpu::TextureAspect::All,
    base_mip_level: 0,
    mip_level_count: None,
    base_array_layer: 0,
    array_layer_count: None,
};
assert_eq!(range_none.is_full_resource(wgpu::TextureFormat::Stencil8, 5, 10), true);

let range_some = wgpu::ImageSubresourceRange {
    aspect: wgpu::TextureAspect::All,
    base_mip_level: 0,
    mip_level_count: Some(5),
    base_array_layer: 0,
    array_layer_count: Some(10),
};
assert_eq!(range_some.is_full_resource(wgpu::TextureFormat::Stencil8, 5, 10), true);

let range_mixed = wgpu::ImageSubresourceRange {
    aspect: wgpu::TextureAspect::StencilOnly,
    base_mip_level: 0,
    // Only partial resource
    mip_level_count: Some(3),
    base_array_layer: 0,
    array_layer_count: None,
};
assert_eq!(range_mixed.is_full_resource(wgpu::TextureFormat::Stencil8, 5, 10), false);
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pub fn mip_range(&self, mip_level_count: u32) -> Range<u32>

Returns the mip level range of a subresource range describes for a specific texture.

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pub fn layer_range(&self, array_layer_count: u32) -> Range<u32>

Returns the layer range of a subresource range describes for a specific texture.

Trait Implementations§

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impl Clone for ImageSubresourceRange

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fn clone(&self) -> ImageSubresourceRange

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ImageSubresourceRange

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

Formats the value using the given formatter. Read more
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impl Default for ImageSubresourceRange

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fn default() -> ImageSubresourceRange

Returns the “default value” for a type. Read more
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impl PartialEq for ImageSubresourceRange

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fn eq(&self, other: &ImageSubresourceRange) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for ImageSubresourceRange

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impl Eq for ImageSubresourceRange

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impl StructuralPartialEq for ImageSubresourceRange

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fn as_bind_group_shader_type(&self, _images: &RenderAssets<GpuImage>) -> U

Return the T ShaderType for self. When used in AsBindGroup derives, it is safe to assume that all images in self exist.
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