Minor consistency change.

Author: raldone01

shaders/src/lib.rs

@@ -75,7 +75,7 @@ pub fn fs(constants: &ShaderConstants, mut frag_coord: Vec2) -> Vec4 {
     let shader_input: ShaderInput;
     let shader_output = &mut ShaderResult { color: Vec4::ZERO };
 
-    if constants.grid == 0 {
+    if constants.grid_mode == 0 {
         shader_input = ShaderInput {
             resolution,
             time,

shaders/src/shared_data.rs

@@ -4,11 +4,16 @@ use bytemuck::{Pod, Zeroable};
 #[derive(Copy, Clone, Pod, Zeroable)]
 #[allow(unused_attributes)]
 pub struct ShaderConstants {
-    /// Boolean value indicating whether all shaders are rendered in a grid layout.
-    pub grid: u32,
     pub width: u32,
     pub height: u32,
     pub time: f32,
+
+    // UI state
+    /// Boolean value indicating whether all shaders are rendered in a grid layout.
+    pub grid_mode: u32,
+    pub shader_to_show: u32,
+
+    // Mouse state.
     pub cursor_x: f32,
     pub cursor_y: f32,
     pub drag_start_x: f32,
@@ -17,5 +22,4 @@ pub struct ShaderConstants {
     pub drag_end_y: f32,
     pub mouse_left_pressed: u32,
     pub mouse_left_clicked: u32,
-    pub shader_to_show: u32,
 }

src/main.rs

@@ -29,9 +29,11 @@ struct ShaderToyApp {
     shader_module: Option<wgpu::ShaderModule>,
     close_requested: bool,
     start: Instant,
+
     // UI state
     grid_mode: bool,
     shader_to_show: u32,
+
     // Mouse state.
     cursor_x: f32,
     cursor_y: f32,
@@ -250,7 +252,7 @@ impl ShaderToyApp {
                 mouse_left_pressed: self.mouse_left_pressed as u32,
                 mouse_left_clicked: self.mouse_left_clicked as u32,
                 shader_to_show: self.shader_to_show,
-                grid: self.grid_mode as u32,
+                grid_mode: self.grid_mode as u32,
             };
             self.mouse_left_clicked = false;
             rpass.set_pipeline(self.render_pipeline.as_ref().unwrap());