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working 3d textures

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This commit is contained in:
Piotrek
2021-04-18 12:00:28 +02:00
parent 4f24394273
commit 20ac933cc3
6 changed files with 42 additions and 24 deletions
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src/renderer/buffers/node_buffer.rs
+24 -14
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@@ -1,12 +1,13 @@
pub const DATA: &[u8] = &[
pub const DATA: &[u32] = &[
// z0
1,0,
0,1,
0,0,
// z1
0,1,
1,0,
];
0,0,
0,0,
];
pub struct NodeBuffer {
texture: wgpu::Texture,
@@ -27,7 +28,7 @@ impl NodeBuffer {
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D3,
format: wgpu::TextureFormat::R8Uint,
format: wgpu::TextureFormat::R32Uint,
usage: wgpu::TextureUsage::SAMPLED | wgpu::TextureUsage::COPY_DST, // STORAGE?
label: Some("Node texture"),
}
@@ -57,12 +58,8 @@ impl NodeBuffer {
// Bind group
let view = texture.create_view(&wgpu::TextureViewDescriptor::default());
let sampler = device.create_sampler(&wgpu::SamplerDescriptor {
address_mode_u: wgpu::AddressMode::ClampToEdge,
address_mode_v: wgpu::AddressMode::ClampToEdge,
address_mode_w: wgpu::AddressMode::ClampToEdge,
mag_filter: wgpu::FilterMode::Nearest,
min_filter: wgpu::FilterMode::Nearest,
mipmap_filter: wgpu::FilterMode::Nearest,
address_mode_u: wgpu::AddressMode::ClampToEdge, address_mode_v: wgpu::AddressMode::ClampToEdge, address_mode_w: wgpu::AddressMode::ClampToEdge,
mag_filter: wgpu::FilterMode::Nearest, min_filter: wgpu::FilterMode::Nearest, mipmap_filter: wgpu::FilterMode::Nearest,
..Default::default()
});
let bind_group = device.create_bind_group(
@@ -81,10 +78,23 @@ impl NodeBuffer {
}
pub fn write(&mut self, queue: &wgpu::Queue) {
// Convert 32 bit values to 8 bit
const LEN: usize = DATA.len();
let mut bytes : [u8; LEN*4] = [0; LEN*4];
for i in 0..LEN {
let idx = i * 4;
let byte = DATA[i].to_be_bytes();
bytes[idx+0] = byte[0];
bytes[idx+1] = byte[1];
bytes[idx+2] = byte[2];
bytes[idx+3] = byte[3];
}
// Write
queue.write_texture(
wgpu::TextureCopyView { texture: &self.texture, mip_level: 0, origin: wgpu::Origin3d::ZERO },
DATA,
wgpu::TextureDataLayout { offset: 0, bytes_per_row: self.size.width, rows_per_image: self.size.height },
&bytes,
wgpu::TextureDataLayout { offset: 0, bytes_per_row: 4*self.size.width, rows_per_image: self.size.height },
self.size
);
}