Add native self-hosted instance connection to fluxer_desktop

Trimmed monorepo checkout (fluxer_desktop + packages/voice_engine_v2 +
tools/ci) with a "Connect to a Different Server" menu item and popout
that lets the desktop app switch to any self-hosted Fluxer instance,
plus fixes for well-known discovery on single-domain self-hosted
deployments and a false-positive ERR_ABORTED on same-origin client
redirects during the switch. Defaults to chat.fluxr.chat and uses an
isolated userData directory from the official build.
This commit is contained in:
2026-07-01 18:22:43 -04:00
commit 682afacd30
1763 changed files with 613720 additions and 0 deletions
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[package]
name = "fluxer_nv12_gpu_pack"
version = "0.0.0"
edition = "2024"
license = "AGPL-3.0-or-later"
publish = false
[workspace]
resolver = "2"
[lib]
crate-type = ["rlib"]
[dependencies]
wgpu = "29"
bytemuck = {version = "1.25", features = ["derive"]}
pollster = "0.4"
parking_lot = "0.12"
fluxer_gpu_rebuild = {path = "../gpu-rebuild", features = ["wgpu"]}
[dev-dependencies]
criterion = "0.8"
[[bench]]
name = "pack"
harness = false
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{
"measured_at": "85e057a273fd",
"host": "darwin-arm64-apple-silicon",
"regression_budget_percent": 5.0,
"criterion_args": {
"warm_up_time_sec": 2,
"measurement_time_sec": 5
},
"benches": {
"nv12_pack_1080p_cache_hit": {
"median_ns": 1517400.0,
"low_ns": 1492800.0,
"high_ns": 1542000.0,
"budget_percent_override": 20.0,
"note": "Requires a wgpu adapter (Metal on macOS). Bench function returns early without an adapter. GPU jobs are noisy; cross-run sigma 10-15% on a loaded host."
},
"nv12_pack_1080p_cache_miss": {
"median_ns": 3081300.0,
"low_ns": 3026300.0,
"high_ns": 3139400.0,
"budget_percent_override": 20.0,
"note": "Wgpu adapter required; same caveat as cache_hit."
}
}
}
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// SPDX-License-Identifier: AGPL-3.0-or-later
use criterion::{Criterion, criterion_group, criterion_main};
use fluxer_nv12_gpu_pack::{Nv12Packer, PackJob, try_acquire_device};
struct BenchFixture {
device: wgpu::Device,
queue: wgpu::Queue,
view: wgpu::TextureView,
y_buf: wgpu::Buffer,
uv_buf: wgpu::Buffer,
width: u32,
height: u32,
}
fn make_fixture(width: u32, height: u32) -> Option<BenchFixture> {
let (device, queue, _instance) = try_acquire_device()?;
let pixels = vec![128u8; (width * height * 4) as usize];
let texture = device.create_texture(&wgpu::TextureDescriptor {
label: Some("nv12_gpu_pack.bench_source"),
size: wgpu::Extent3d {
width,
height,
depth_or_array_layers: 1,
},
mip_level_count: 1,
sample_count: 1,
dimension: wgpu::TextureDimension::D2,
format: wgpu::TextureFormat::Rgba8Unorm,
usage: wgpu::TextureUsages::TEXTURE_BINDING | wgpu::TextureUsages::COPY_DST,
view_formats: &[],
});
queue.write_texture(
wgpu::TexelCopyTextureInfo {
texture: &texture,
mip_level: 0,
origin: wgpu::Origin3d::ZERO,
aspect: wgpu::TextureAspect::All,
},
&pixels,
wgpu::TexelCopyBufferLayout {
offset: 0,
bytes_per_row: Some(width * 4),
rows_per_image: Some(height),
},
wgpu::Extent3d {
width,
height,
depth_or_array_layers: 1,
},
);
let view = texture.create_view(&wgpu::TextureViewDescriptor::default());
let y_size = Nv12Packer::y_plane_size(width, height);
let uv_size = Nv12Packer::uv_plane_size(width, height);
let y_buf = device.create_buffer(&wgpu::BufferDescriptor {
label: Some("nv12_gpu_pack.bench_y"),
size: y_size,
usage: wgpu::BufferUsages::STORAGE
| wgpu::BufferUsages::COPY_SRC
| wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
let uv_buf = device.create_buffer(&wgpu::BufferDescriptor {
label: Some("nv12_gpu_pack.bench_uv"),
size: uv_size,
usage: wgpu::BufferUsages::STORAGE
| wgpu::BufferUsages::COPY_SRC
| wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
Some(BenchFixture {
device,
queue,
view,
y_buf,
uv_buf,
width,
height,
})
}
fn submit_pack_with_buffers(
fixture: &BenchFixture,
packer: &Nv12Packer,
y_buf: &wgpu::Buffer,
uv_buf: &wgpu::Buffer,
) {
let mut encoder = fixture
.device
.create_command_encoder(&wgpu::CommandEncoderDescriptor {
label: Some("nv12_gpu_pack.bench_encoder"),
});
let result = packer.pack(PackJob {
device: &fixture.device,
queue: &fixture.queue,
encoder: &mut encoder,
source: &fixture.view,
y_out: y_buf,
uv_out: uv_buf,
dims: (fixture.width, fixture.height),
});
assert!(result.is_ok());
fixture.queue.submit(std::iter::once(encoder.finish()));
let _ = fixture.device.poll(wgpu::PollType::Wait {
submission_index: None,
timeout: None,
});
}
fn make_buffer_pair(fixture: &BenchFixture, label: &str) -> (wgpu::Buffer, wgpu::Buffer) {
let y_size = Nv12Packer::y_plane_size(fixture.width, fixture.height);
let uv_size = Nv12Packer::uv_plane_size(fixture.width, fixture.height);
let y_buf = fixture.device.create_buffer(&wgpu::BufferDescriptor {
label: Some(label),
size: y_size,
usage: wgpu::BufferUsages::STORAGE
| wgpu::BufferUsages::COPY_SRC
| wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
let uv_buf = fixture.device.create_buffer(&wgpu::BufferDescriptor {
label: Some(label),
size: uv_size,
usage: wgpu::BufferUsages::STORAGE
| wgpu::BufferUsages::COPY_SRC
| wgpu::BufferUsages::COPY_DST,
mapped_at_creation: false,
});
(y_buf, uv_buf)
}
fn bench_pack_1080p_cache_hit(c: &mut Criterion) {
let Some(fixture) = make_fixture(1920, 1080) else {
eprintln!("nv12-gpu-pack bench: no wgpu adapter, skipping");
return;
};
let packer = Nv12Packer::new(&fixture.device, fixture.width, fixture.height);
submit_pack_with_buffers(&fixture, &packer, &fixture.y_buf, &fixture.uv_buf);
c.bench_function("nv12_pack_1080p_cache_hit", |b| {
b.iter(|| submit_pack_with_buffers(&fixture, &packer, &fixture.y_buf, &fixture.uv_buf));
});
}
fn bench_pack_1080p_cache_miss(c: &mut Criterion) {
let Some(fixture) = make_fixture(1920, 1080) else {
eprintln!("nv12-gpu-pack bench: no wgpu adapter, skipping");
return;
};
let packer = Nv12Packer::new(&fixture.device, fixture.width, fixture.height);
let (y_b, uv_b) = make_buffer_pair(&fixture, "nv12_gpu_pack.bench_alt");
c.bench_function("nv12_pack_1080p_cache_miss", |b| {
b.iter(|| {
submit_pack_with_buffers(&fixture, &packer, &fixture.y_buf, &fixture.uv_buf);
submit_pack_with_buffers(&fixture, &packer, &y_b, &uv_b);
});
});
}
criterion_group!(
benches,
bench_pack_1080p_cache_hit,
bench_pack_1080p_cache_miss
);
criterion_main!(benches);
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struct PackUniforms {
width: u32,
height: u32,
stride_y: u32,
stride_uv: u32,
};
@group(0) @binding(0) var source_tex: texture_2d<f32>;
@group(0) @binding(1) var<storage, read_write> y_plane: array<atomic<u32>>;
@group(0) @binding(2) var<storage, read_write> uv_plane: array<atomic<u32>>;
@group(0) @binding(3) var<uniform> dims: PackUniforms;
fn rgb_to_y_full(r: f32, g: f32, b: f32) -> f32 {
return 0.2126 * r + 0.7152 * g + 0.0722 * b;
}
fn limited_y(y_full: f32) -> u32 {
let scaled = round(y_full * 219.0) + 16.0;
return u32(clamp(scaled, 16.0, 235.0));
}
fn limited_u(b: f32, y_full: f32) -> u32 {
let centered = (b - y_full) / 1.8556;
let scaled = round(centered * 224.0) + 128.0;
return u32(clamp(scaled, 16.0, 240.0));
}
fn limited_v(r: f32, y_full: f32) -> u32 {
let centered = (r - y_full) / 1.5748;
let scaled = round(centered * 224.0) + 128.0;
return u32(clamp(scaled, 16.0, 240.0));
}
fn write_y_byte(byte_offset: u32, value: u32) {
let word_index = byte_offset / 4u;
let shift = (byte_offset % 4u) * 8u;
let payload = (value & 0xFFu) << shift;
atomicOr(&y_plane[word_index], payload);
}
fn write_uv_byte(byte_offset: u32, value: u32) {
let word_index = byte_offset / 4u;
let shift = (byte_offset % 4u) * 8u;
let payload = (value & 0xFFu) << shift;
atomicOr(&uv_plane[word_index], payload);
}
@compute @workgroup_size(8, 8, 1)
fn pack_nv12(@builtin(global_invocation_id) gid: vec3<u32>) {
let block_x = gid.x;
let block_y = gid.y;
let pixel_x = block_x * 2u;
let pixel_y = block_y * 2u;
if (pixel_x + 1u >= dims.width) {
return;
}
if (pixel_y + 1u >= dims.height) {
return;
}
let p00 = textureLoad(source_tex, vec2<i32>(i32(pixel_x), i32(pixel_y)), 0);
let p10 = textureLoad(source_tex, vec2<i32>(i32(pixel_x + 1u), i32(pixel_y)), 0);
let p01 = textureLoad(source_tex, vec2<i32>(i32(pixel_x), i32(pixel_y + 1u)), 0);
let p11 = textureLoad(source_tex, vec2<i32>(i32(pixel_x + 1u), i32(pixel_y + 1u)), 0);
let y00_full = rgb_to_y_full(p00.r, p00.g, p00.b);
let y10_full = rgb_to_y_full(p10.r, p10.g, p10.b);
let y01_full = rgb_to_y_full(p01.r, p01.g, p01.b);
let y11_full = rgb_to_y_full(p11.r, p11.g, p11.b);
let y00 = limited_y(y00_full);
let y10 = limited_y(y10_full);
let y01 = limited_y(y01_full);
let y11 = limited_y(y11_full);
let row0 = pixel_y * dims.stride_y;
let row1 = (pixel_y + 1u) * dims.stride_y;
write_y_byte(row0 + pixel_x, y00);
write_y_byte(row0 + pixel_x + 1u, y10);
write_y_byte(row1 + pixel_x, y01);
write_y_byte(row1 + pixel_x + 1u, y11);
let r_avg = (p00.r + p10.r + p01.r + p11.r) * 0.25;
let g_avg = (p00.g + p10.g + p01.g + p11.g) * 0.25;
let b_avg = (p00.b + p10.b + p01.b + p11.b) * 0.25;
let y_full_avg = rgb_to_y_full(r_avg, g_avg, b_avg);
let u = limited_u(b_avg, y_full_avg);
let v = limited_v(r_avg, y_full_avg);
let uv_row = block_y * dims.stride_uv;
let uv_offset = uv_row + block_x * 2u;
write_uv_byte(uv_offset, u);
write_uv_byte(uv_offset + 1u, v);
}