From 5248831232fa22a1f3d6515f7f6c7bee8994faf2 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Mon, 21 Nov 2022 16:59:50 +0100
Subject: unify repos

---
 vgcodec/src/main.rs | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 vgcodec/src/main.rs

(limited to 'vgcodec/src/main.rs')

diff --git a/vgcodec/src/main.rs b/vgcodec/src/main.rs
new file mode 100644
index 0000000..9450894
--- /dev/null
+++ b/vgcodec/src/main.rs
@@ -0,0 +1,76 @@
+pub mod app;
+pub mod diff;
+pub mod export;
+pub mod paint;
+
+use app::App;
+use diff::Differ;
+use image::EncodableLayout;
+use wgpu::{Extent3d, Queue, Texture, TextureUsages};
+
+use crate::export::Exporter;
+
+fn main() {
+    env_logger::init_from_env("LOG");
+    pollster::block_on(run());
+}
+
+async fn run() {
+    let app = app::App::new().await;
+
+    let App { device, queue, .. } = app.as_ref();
+
+    let img_target = image::open("a/a.png").unwrap().into_rgba8();
+    let img_initial = image::open("a/initial.png").unwrap().into_rgba8();
+
+    let size = wgpu::Extent3d {
+        width: img_initial.width(),
+        height: img_initial.height(),
+        depth_or_array_layers: 1,
+    };
+
+    let create_texture = || {
+        device.create_texture(&wgpu::TextureDescriptor {
+            size,
+            mip_level_count: 1,
+            sample_count: 1,
+            dimension: wgpu::TextureDimension::D2,
+            format: wgpu::TextureFormat::Rgba8Unorm,
+            usage: TextureUsages::COPY_DST
+                | TextureUsages::TEXTURE_BINDING
+                | TextureUsages::COPY_SRC,
+            label: None,
+        })
+    };
+
+    let tex_target = create_texture();
+    let tex_approx = create_texture();
+
+    write_texture(queue, &tex_target, img_target.as_bytes(), size);
+    write_texture(queue, &tex_approx, img_initial.as_bytes(), size);
+
+    let mut differ = Differ::new(&app, size, &tex_approx, &tex_target);
+    let exporter = Exporter::new(&app, size);
+
+    println!("{}", differ.run().await);
+
+    exporter.run(&tex_approx, "a/approx.png").await;
+}
+
+pub fn write_texture(queue: &Queue, target: &Texture, data: &[u8], size: Extent3d) {
+    queue.write_texture(
+        wgpu::ImageCopyTexture {
+            texture: &target,
+            mip_level: 0,
+            origin: wgpu::Origin3d::ZERO,
+            aspect: wgpu::TextureAspect::All,
+        },
+        &data,
+        wgpu::ImageDataLayout {
+            offset: 0,
+            bytes_per_row: Some(std::num::NonZeroU32::try_from((size.width * 4) as u32).unwrap()),
+            rows_per_image: None,
+        },
+        size,
+    );
+}
-- 
cgit v1.2.3-70-g09d2