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|
pub struct Lmmse {
interpolate_bind_layout: wgpu::BindGroupLayout,
interpolate_pipeline_layout: wgpu::PipelineLayout,
interpolate_shader: wgpu::ShaderModule,
interpolate_pipeline: wgpu::ComputePipeline,
}
impl super::Demosaic for Lmmse {
fn new(gpu: &wgpu::Device, queue: &wgpu::Queue) -> Self {
let interpolate_bind_layout =
gpu.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
label: None,
entries: &[
wgpu::BindGroupLayoutEntry {
binding: 0,
visibility: wgpu::ShaderStages::COMPUTE,
ty: wgpu::BindingType::StorageTexture {
access: wgpu::StorageTextureAccess::ReadOnly,
format: wgpu::TextureFormat::R16Uint,
view_dimension: wgpu::TextureViewDimension::D2,
},
count: None,
},
wgpu::BindGroupLayoutEntry {
binding: 1,
visibility: wgpu::ShaderStages::COMPUTE,
ty: wgpu::BindingType::StorageTexture {
access: wgpu::StorageTextureAccess::WriteOnly,
format: wgpu::TextureFormat::Rgba32Float,
view_dimension: wgpu::TextureViewDimension::D2,
},
count: None,
},
],
});
let interpolate_pipeline_layout =
gpu.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
label: None,
bind_group_layouts: &[&interpolate_bind_layout],
push_constant_ranges: &[],
});
let interpolate_shader = gpu.create_shader_module(wgpu::ShaderModuleDescriptor {
label: None,
source: wgpu::ShaderSource::Wgsl(include_str!("lmmse_01_interpolate.wgsl").into()),
});
let interpolate_pipeline = gpu.create_compute_pipeline(&wgpu::ComputePipelineDescriptor {
label: None,
layout: Some(&interpolate_pipeline_layout),
module: &interpolate_shader,
entry_point: None,
compilation_options: wgpu::PipelineCompilationOptions::default(),
cache: None,
});
Self {
interpolate_bind_layout,
interpolate_pipeline_layout,
interpolate_shader,
interpolate_pipeline,
}
}
fn demoasic(
&self,
gpu: &wgpu::Device,
queue: &wgpu::Queue,
image: &rawloader::RawImage,
) -> wgpu::Texture {
let input_texture = gpu.create_texture(&wgpu::TextureDescriptor {
label: None,
size: wgpu::Extent3d {
width: image.width as u32,
height: image.height as u32,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu::TextureFormat::R16Uint,
usage: wgpu::TextureUsages::COPY_DST | wgpu::TextureUsages::STORAGE_BINDING,
view_formats: &[wgpu::TextureFormat::R16Uint],
});
let image_data = match &image.data {
rawloader::RawImageData::Integer(d) => d.as_slice(),
_ => panic!("Unsupported input format"),
};
queue.write_texture(
wgpu::TexelCopyTextureInfo {
texture: &input_texture,
mip_level: 0,
origin: wgpu::Origin3d::ZERO,
aspect: wgpu::TextureAspect::All,
},
bytemuck::cast_slice(image_data),
wgpu::TexelCopyBufferLayout {
offset: 0,
bytes_per_row: Some(2 * image.width as u32),
rows_per_image: Some(image.height as u32),
},
wgpu::Extent3d {
width: image.width as u32,
height: image.height as u32,
depth_or_array_layers: 1,
},
);
let output_texture = gpu.create_texture(&wgpu::TextureDescriptor {
label: None,
size: wgpu::Extent3d {
width: image.width as u32,
height: image.height as u32,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu::TextureFormat::Rgba32Float,
usage: wgpu::TextureUsages::COPY_SRC | wgpu::TextureUsages::STORAGE_BINDING,
view_formats: &[wgpu::TextureFormat::Rgba32Float],
});
let bind_group = gpu.create_bind_group(&wgpu::BindGroupDescriptor {
label: None,
layout: &self.interpolate_bind_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::TextureView(&input_texture.create_view(
&wgpu::TextureViewDescriptor {
label: None,
format: Some(wgpu::TextureFormat::R16Uint),
dimension: Some(wgpu::TextureViewDimension::D2),
usage: Some(wgpu::TextureUsages::STORAGE_BINDING),
aspect: wgpu::TextureAspect::All,
base_mip_level: 0,
mip_level_count: None,
base_array_layer: 0,
array_layer_count: None,
},
)),
},
wgpu::BindGroupEntry {
binding: 1,
resource: wgpu::BindingResource::TextureView(&output_texture.create_view(
&wgpu::TextureViewDescriptor {
label: None,
format: Some(wgpu::TextureFormat::Rgba32Float),
dimension: Some(wgpu::TextureViewDimension::D2),
usage: Some(wgpu::TextureUsages::STORAGE_BINDING),
aspect: wgpu::TextureAspect::All,
base_mip_level: 0,
mip_level_count: None,
base_array_layer: 0,
array_layer_count: None,
},
)),
},
],
});
let mut encoder =
gpu.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
{
let mut pass = encoder.begin_compute_pass(&wgpu::ComputePassDescriptor {
label: None,
timestamp_writes: None,
});
pass.set_bind_group(0, &bind_group, &[]);
pass.set_pipeline(&self.interpolate_pipeline);
pass.dispatch_workgroups(
(image.width as u32).div_ceil(8),
(image.height as u32).div_ceil(8),
1,
);
}
let command_buf = encoder.finish();
queue.submit([command_buf]);
output_texture
}
}
|
