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webgpu: Move supported context format to content timeline (#34028)

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* Move supported context format to content timeline

https://github.com/gpuweb/gpuweb/pull/4911
Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>

* Update expectations

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>

---------

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
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Samson 2024-10-28 10:15:46 +01:00 • committed by GitHub
parent 10aa485c0c
commit a01d66df53
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4 changed files with 42 additions and 169 deletions
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27
components/webgpu/swapchain.rs
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@ -39,6 +39,17 @@ impl MallocSizeOf for WebGPUContextId {
}
}
impl ContextConfiguration {
fn format(&self) -> ImageFormat {
match self.format {
wgt::TextureFormat::Rgba8Unorm => ImageFormat::RGBA8,
wgt::TextureFormat::Bgra8Unorm => ImageFormat::BGRA8,
// TODO: wgt::TextureFormat::Rgba16Float
_ => unreachable!("Unsupported canvas context format in configuration"),
}
}
}
pub type WGPUImageMap = Arc<Mutex<HashMap<WebGPUContextId, ContextData>>>;
/// Presentation id encodes current configuration and current image
@ -383,17 +394,11 @@ impl crate::WGPU {
let presentation_id = context_data.next_presentation_id();
context_data.check_and_update_presentation_id(presentation_id);
// If configuration is not provided or presentation format is not valid
// the context will be dummy until recreation
let format = config.as_ref().and_then(|config| match config.format {
wgt::TextureFormat::Rgba8Unorm => Some(ImageFormat::RGBA8),
wgt::TextureFormat::Bgra8Unorm => Some(ImageFormat::BGRA8),
_ => None,
});
let needs_image_update = if let Some(format) = format {
let config = config.expect("Config should exist when valid format is available");
let new_image_desc = WebGPUImageDescriptor::new(format, size, config.is_opaque);
// If configuration is not provided
// the context will be dummy/empty until recreation
let needs_image_update = if let Some(config) = config {
let new_image_desc =
WebGPUImageDescriptor::new(config.format(), size, config.is_opaque);
let needs_swapchain_rebuild = context_data.swap_chain.is_none() ||
new_image_desc.buffer_size() != context_data.image_desc.buffer_size();
if needs_swapchain_rebuild {