1 files changed, 0 insertions, 122 deletions
diff --git a/vgcodec/src/diff.rs b/vgcodec/src/diff.rs
deleted file mode 100644
index 4a7453c..0000000
--- a/vgcodec/src/diff.rs
+++ /dev/null
@@ -1,122 +0,0 @@
-use std::{borrow::Cow, sync::Arc};
-use wgpu::{util::DeviceExt, BindGroup, Buffer, ComputePipeline, Extent3d, Texture};
-
-use crate::app::App;
-
-pub struct Differ {
-    app: Arc<App>,
-    size: Extent3d,
-
-    pipeline: ComputePipeline,
-    bind_group: BindGroup,
-
-    counter_buffer_size: u64,
-    counter_buffer: Buffer,
-    counter_staging_buffer: Buffer,
-}
-
-impl Differ {
-    pub fn new(app: &Arc<App>, extent: Extent3d, tex_a: &Texture, tex_b: &Texture) -> Self {
-        let App { device, .. } = app.as_ref();
-        let cs_module = device.create_shader_module(wgpu::ShaderModuleDescriptor {
-            label: None,
-            source: wgpu::ShaderSource::Wgsl(Cow::Borrowed(include_str!("diff.wgsl"))),
-        });
-
-        let counter_buffer_size = std::mem::size_of::<u32>() as wgpu::BufferAddress;
-        let counter_staging_buffer = device.create_buffer(&wgpu::BufferDescriptor {
-            label: None,
-            size: counter_buffer_size,
-            usage: wgpu::BufferUsages::MAP_READ | wgpu::BufferUsages::COPY_DST,
-            mapped_at_creation: false,
-        });
-        let counter_buffer = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
-            label: None,
-            contents: bytemuck::cast_slice(&[0u32]),
-            usage: wgpu::BufferUsages::STORAGE
-                | wgpu::BufferUsages::COPY_DST
-                | wgpu::BufferUsages::COPY_SRC,
-        });
-
-        let pipeline = device.create_compute_pipeline(&wgpu::ComputePipelineDescriptor {
-            label: None,
-            layout: None,
-            module: &cs_module,
-            entry_point: "main",
-        });
-
-        let bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
-            label: None,
-            layout: &pipeline.get_bind_group_layout(0),
-            entries: &[
-                wgpu::BindGroupEntry {
-                    binding: 0,
-                    resource: wgpu::BindingResource::TextureView(
-                        &tex_a.create_view(&wgpu::TextureViewDescriptor::default()),
-                    ),
-                },
-                wgpu::BindGroupEntry {
-                    binding: 1,
-                    resource: wgpu::BindingResource::TextureView(
-                        &tex_b.create_view(&wgpu::TextureViewDescriptor::default()),
-                    ),
-                },
-                wgpu::BindGroupEntry {
-                    binding: 2,
-                    resource: counter_buffer.as_entire_binding(),
-                },
-            ],
-        });
-        Self {
-            app: app.clone(),
-            size: extent,
-            pipeline,
-            counter_buffer_size,
-            counter_buffer,
-            bind_group,
-            counter_staging_buffer,
-        }
-    }
-
-    pub async fn run(&self) -> u32 {
-        let App { device, queue, .. } = self.app.as_ref();
-
-        queue.write_buffer(&self.counter_buffer, 0, bytemuck::cast_slice(&[0u32]));
-
-        let mut encoder =
-            device.create_command_encoder(&wgpu::CommandEncoderDescriptor { label: None });
-        {
-            let mut cpass =
-                encoder.begin_compute_pass(&wgpu::ComputePassDescriptor { label: None });
-            cpass.set_pipeline(&self.pipeline);
-            cpass.set_bind_group(0, &self.bind_group, &[]);
-            cpass.dispatch_workgroups(self.size.width, self.size.height, 1);
-        }
-
-        encoder.copy_buffer_to_buffer(
-            &self.counter_buffer,
-            0,
-            &self.counter_staging_buffer,
-            0,
-            self.counter_buffer_size,
-        );
-
-        queue.submit(Some(encoder.finish()));
-
-        let buffer_slice = self.counter_staging_buffer.slice(..);
-        let (sender, receiver) = futures_intrusive::channel::shared::oneshot_channel();
-        buffer_slice.map_async(wgpu::MapMode::Read, move |v| {
-            sender.send(v.unwrap()).unwrap()
-        });
-        device.poll(wgpu::Maintain::Wait);
-        receiver.receive().await;
-
-        let data = buffer_slice.get_mapped_range();
-        let result: u32 = bytemuck::cast_slice(&data).to_vec()[0];
-
-        drop(data);
-        self.counter_staging_buffer.unmap();
-
-        result
-    }
-}