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Expand documentation of Queue::write_texture. (#3173)

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Kevin Reid 2022-11-03 11:00:56 -07:00 committed by GitHub
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1 changed files with 13 additions and 3 deletions
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16
wgpu/src/lib.rs
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@ -3596,13 +3596,23 @@ impl Queue {
}
}
/// Schedule a data write into `texture`.
/// Schedule a write of some data into a texture.
///
/// * `data` contains the texels to be written, which must be in
/// [the same format as the texture](TextureFormat).
/// * `data_layout` describes the memory layout of `data`, which does not necessarily
/// have to have tightly packed rows.
/// * `texture` specifies the texture to write into, and the location within the
/// texture (coordinate offset, mip level) that will be overwritten.
/// * `size` is the size, in texels, of the region to be written.
///
/// This method is intended to have low performance costs.
/// As such, the write is not immediately submitted, and instead enqueued
/// internally to happen at the start of the next `submit()` call.
/// However, `data` will be immediately copied into staging memory; so the caller may
/// discard it any time after this call completes.
///
/// This method fails if `data` overruns the size of fragment of `texture` specified with `size`.
/// This method fails if `size` overruns the size of `texture`, or if `data` is too short.
pub fn write_texture(
&self,
texture: ImageCopyTexture,
@ -3613,7 +3623,7 @@ impl Queue {
Context::queue_write_texture(&*self.context, &self.id, texture, data, data_layout, size)
}
/// Schedule a copy of data from `image` into `texture`
/// Schedule a copy of data from `image` into `texture`.
#[cfg(all(target_arch = "wasm32", not(feature = "webgl")))]
pub fn copy_external_image_to_texture(
&self,