use super::blur_plan::PARAMS_SIZE;
pub(super) fn fullscreen(
device: &wgpu::Device,
module: &wgpu::ShaderModule,
layout: &wgpu::PipelineLayout,
format: wgpu::TextureFormat,
fragment: &str,
) -> wgpu::RenderPipeline {
device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
label: Some(fragment),
layout: Some(layout),
vertex: wgpu::VertexState {
module,
entry_point: Some("vs_full"),
compilation_options: Default::default(),
buffers: &[],
},
fragment: Some(wgpu::FragmentState {
module,
entry_point: Some(fragment),
compilation_options: Default::default(),
targets: &[Some(wgpu::ColorTargetState { format, blend: None, write_mask: wgpu::ColorWrites::ALL })],
}),
primitive: wgpu::PrimitiveState::default(),
depth_stencil: None,
multisample: wgpu::MultisampleState::default(),
multiview_mask: None,
cache: None,
})
}
pub(super) fn params_slots(
device: &wgpu::Device,
layout: &wgpu::BindGroupLayout,
stride: u64,
slots: usize,
) -> (wgpu::Buffer, wgpu::BindGroup) {
let buffer = device.create_buffer(&wgpu::BufferDescriptor {
label: Some("aura_blur_params"),
size: stride * slots as u64,
usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
let bind = device.create_bind_group(&wgpu::BindGroupDescriptor {
label: Some("aura_blur_params"),
layout,
entries: &[wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::Buffer(wgpu::BufferBinding {
buffer: &buffer,
offset: 0,
size: wgpu::BufferSize::new(PARAMS_SIZE),
}),
}],
});
(buffer, bind)
}