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inline default and resize

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tigregalis 2025-01-07 15:53:55 +08:00
parent 679b7c712e
commit 81d3a928bf
1 changed files with 27 additions and 12 deletions
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39
crates/bevy_image/src/image.rs
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@ -843,26 +843,41 @@ impl Image {
Image::new(size, dimension, data, format, asset_usage)
}
/// Create a new zero-filled image with a given size, which can be rendered to. This is primarily
/// for use as a render target for a [`Camera`]. See [`RenderTarget::Image`].
///
/// [`Camera`]: https://docs.rs/bevy/latest/bevy/render/camera/struct.Camera.html
/// [`RenderTarget::Image`]: https://docs.rs/bevy/latest/bevy/render/camera/enum.RenderTarget.html#variant.Image
/// Create a new zero-filled image with a given size, which can be rendered to. This is primarily
/// for use as a render target for a [`Camera`]. See [`RenderTarget::Image`].
///
/// [`Camera`]: https://docs.rs/bevy/latest/bevy/render/camera/struct.Camera.html
/// [`RenderTarget::Image`]: https://docs.rs/bevy/latest/bevy/render/camera/enum.RenderTarget.html#variant.Image
pub fn new_target_texture(width: u32, height: u32) -> Self {
let mut image = Self::default();
image.resize(Extent3d {
let format = TextureFormat::bevy_default();
let size = Extent3d {
width,
height,
..Default::default()
});
};
// You need to set these texture usage flags in order to use the image as a render target
image.texture_descriptor.usage = TextureUsages::TEXTURE_BINDING
let usage = TextureUsages::TEXTURE_BINDING
| TextureUsages::COPY_DST
| TextureUsages::RENDER_ATTACHMENT;
// Fill with zeroes
let data = vec![0; format.pixel_size() * size.volume()];
image
Image {
data,
texture_descriptor: TextureDescriptor {
size,
format,
dimension: TextureDimension::D2,
label: None,
mip_level_count: 1,
sample_count: 1,
usage,
view_formats: &[],
},
sampler: ImageSampler::Default,
texture_view_descriptor: None,
asset_usage: RenderAssetUsages::default(),
}
}
/// Returns the width of a 2D image.