Struct bevy::render::render_resource::Extent3d [−]
Expand description
Extent of a texture related operation.
Fields
width: u32
height: u32
depth_or_array_layers: u32
Implementations
impl Extent3d
impl Extent3d
pub fn physical_size(&self, format: TextureFormat) -> Extent3d
pub fn physical_size(&self, format: TextureFormat) -> Extent3d
Calculates the physical size is backing an texture of the given format and extent. This includes padding to the block width and height of the format.
This is the texture extent that you must upload at when uploading to mipmaps of compressed textures.
let format = wgpu::TextureFormat::Bc1RgbaUnormSrgb; // 4x4 blocks
assert_eq!(
wgpu::Extent3d { width: 7, height: 7, depth_or_array_layers: 1 }.physical_size(format),
wgpu::Extent3d { width: 8, height: 8, depth_or_array_layers: 1 }
);
// Doesn't change, already aligned
assert_eq!(
wgpu::Extent3d { width: 8, height: 8, depth_or_array_layers: 1 }.physical_size(format),
wgpu::Extent3d { width: 8, height: 8, depth_or_array_layers: 1 }
);
let format = wgpu::TextureFormat::Astc8x5RgbaUnorm; // 8x5 blocks
assert_eq!(
wgpu::Extent3d { width: 7, height: 7, depth_or_array_layers: 1 }.physical_size(format),
wgpu::Extent3d { width: 8, height: 10, depth_or_array_layers: 1 }
);
Calculates the maximum possible count of mipmaps.
Treats the depth as part of the mipmaps. If calculating for a 2DArray texture, which does not mipmap depth, set depth to 1.
assert_eq!(wgpu::Extent3d { width: 1, height: 1, depth_or_array_layers: 1 }.max_mips(), 1);
assert_eq!(wgpu::Extent3d { width: 60, height: 60, depth_or_array_layers: 1 }.max_mips(), 6);
assert_eq!(wgpu::Extent3d { width: 240, height: 1, depth_or_array_layers: 1 }.max_mips(), 8);
pub fn mip_level_size(&self, level: u32, is_3d_texture: bool) -> Extent3d
pub fn mip_level_size(&self, level: u32, is_3d_texture: bool) -> Extent3d
Calculates the extent at a given mip level. Does not account for memory size being a multiple of block size.
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for Extent3d
impl UnwindSafe for Extent3d
Blanket Implementations
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