Update OKLAB and OKLCH graphs

Removed `libcosmic` `rev` key

Cargo.toml

@@ -14,7 +14,6 @@ rust-embed = "8.3.0"
 
 [dependencies.libcosmic]
 git = "https://github.com/pop-os/libcosmic.git"
-rev = "2fc4184"
 default-features = false
 features = ["dbus-config", "tokio", "winit", "wgpu"]
 

src/shaders/mod.rs

@@ -35,7 +35,7 @@ impl<T: bytemuck::Pod, const ID: u32> ShaderPipeline<T, ID> {
                 label: Some("shader uniform bind group layout"),
                 entries: &[wgpu::BindGroupLayoutEntry {
                     binding: 0,
-                    visibility: wgpu::ShaderStages::VERTEX_FRAGMENT,
+                    visibility: wgpu::ShaderStages::FRAGMENT,
                     ty: wgpu::BindingType::Buffer {
                         ty: wgpu::BufferBindingType::Uniform,
                         has_dynamic_offset: false,

src/shaders/oklab.wgsl

@@ -19,17 +19,15 @@ fn fs_main(
     var rgb = vec3<f32>(0.0);
     switch oklab.mode {
         case MODE_LIGHTNESS: {
-            let green_red = uv.y - 0.5;
             let lightness = uv.x;
 
-            rgb = oklab_to_rgb(lightness, green_red, oklab.blue_yellow);
-
+            rgb = oklab_to_rgb(lightness, oklab.green_red, oklab.blue_yellow);
         }
         case MODE_GREEN_RED: {
-            let green_red = uv.y - 0.5;
-            let blue_yellow = uv.x - 0.5;
+            let lightness = uv.y;
+            let green_red = uv.x - 0.5;
 
-            rgb = oklab_to_rgb(oklab.lightness, green_red, blue_yellow);
+            rgb = oklab_to_rgb(lightness, green_red, oklab.blue_yellow);
         }
         case MODE_BLUE_YELLOW: {
             let lightness = uv.y;

src/shaders/oklch.wgsl

@@ -25,8 +25,8 @@ fn fs_main(
             rgb = oklch_to_rgb(lightness, chroma, oklch.hue);
         }
         case MODE_CHROMA: {
-            let chroma = uv.y * 0.37;
-            let hue = uv.x * 360.0;
+            let chroma = uv.x * 0.37;
+            let hue = uv.y * 360.0;
 
             rgb = oklch_to_rgb(oklch.lightness, chroma, hue);
         }