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|
use crate::wgpuctx::WgpuCtx;
pub struct Texture
{
texture: wgpu::Texture,
view: wgpu::TextureView,
sampler: wgpu::Sampler,
pub bindgrouplayout: wgpu::BindGroupLayout,
bindgroup: wgpu::BindGroup,
}
impl Texture
{
pub fn new(
device: &wgpu::Device,
descr: wgpu::TextureDescriptor)
-> Self
{
let texture = device.create_texture(&descr);
let view = texture.create_view(&wgpu::TextureViewDescriptor::default());
let sampler = device.create_sampler(
&wgpu::SamplerDescriptor {
address_mode_u: wgpu::AddressMode::Repeat,
address_mode_v: wgpu::AddressMode::Repeat,
address_mode_w: wgpu::AddressMode::ClampToEdge,
mag_filter: wgpu::FilterMode::Linear,
min_filter: wgpu::FilterMode::Nearest,
mipmap_filter: wgpu::FilterMode::Nearest,
..Default::default()
}
);
let bind_group_layout = device.create_bind_group_layout(
&wgpu::BindGroupLayoutDescriptor {
label: None,
entries: &[
wgpu::BindGroupLayoutEntry {
binding: 0,
visibility: wgpu::ShaderStages::FRAGMENT,
ty: wgpu::BindingType::Texture {
sample_type: wgpu::TextureSampleType::Float {
filterable: true
},
view_dimension: wgpu::TextureViewDimension::D2,
multisampled: false
},
count: None
},
wgpu::BindGroupLayoutEntry {
binding: 1,
visibility: wgpu::ShaderStages::FRAGMENT,
ty: wgpu::BindingType::Sampler(wgpu::SamplerBindingType::Filtering),
count: None
}
]
}
);
let bind_group = device.create_bind_group(
&wgpu::BindGroupDescriptor {
label: None,
layout: &bind_group_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::TextureView(&view)
},
wgpu::BindGroupEntry {
binding: 1,
resource: wgpu::BindingResource::Sampler(&sampler)
}
]
}
);
Self {
texture: texture,
view: view,
sampler: sampler,
bindgrouplayout: bind_group_layout,
bindgroup: bind_group,
}
}
pub fn view(&self)
-> &wgpu::TextureView
{ &self.view }
pub fn use_on_pass(
&self,
pass: &mut wgpu::RenderPass,
index: u32)
{
pass.set_bind_group(index, &self.bindgroup, &[]);
}
} // impl Texture
|
