sync

src/components/shader.rs

@@ -191,7 +191,7 @@ mod utils {
         body.push_str("}\n\n");
         let input = header + &body;
 
-        let result = Snippet::new("fetch_uniform", CodeType::Code(input), None).unwrap();
+        let result = Snippet::new("fetch_uniform", CodeType::Code(input), false, None).unwrap();
 
         result
     }

src/components/snippets/mod.rs

@@ -37,15 +37,16 @@ pub struct Snippet {
     name: &'static str,
     parsed: CodeBlock,
     link: Option<Box<Snippet>>,
-    alias: HashMap<String, String>,
+    alias: Option<HashMap<String, String>>,
     chained: String,
-    main: String,
+    main: Option<String>,
 }
 
 impl Snippet {
     pub fn new<S: std::borrow::Borrow<str>>(
         name: &'static str,
         code: CodeType<S>,
+        mangling: bool,
         main: Option<String>,
     ) -> Result<Self> {
         let code = match code {
@@ -71,15 +72,20 @@ impl Snippet {
 
         let mut parsed_code = CodeBlock::new(&merged_code)?;
         let call = if let Some(main) = main {
-            main
+            Some(main)
         } else {
             parsed_code
                 .all_functions()
                 .first()
                 .map(|f| f.borrow().name.clone())
-                .unwrap()
         };
+
+        let alias = if mangling {
             let alias = parsed_code.mangling(id.to_string());
+            Some(alias)
+        } else {
+            None
+        };
 
         let chained = format!(
             "// START {} //\n{}\n// END {} //\n",
@@ -111,15 +117,22 @@ impl Snippet {
         self
     }
 
-    pub fn call(&self, paras: &Vec<String>) -> String {
+    pub fn call(&self, paras: &Vec<String>) -> Option<String> {
+        (self.main.as_ref()).map(|name| {
             if let Some(link) = &self.link {
-            let call_name = self.alias.get(&self.main).unwrap();
+                let call_name = self.alias.as_ref().map(|a| a.get(name).unwrap()).unwrap_or(name);
                 let c = link.call(paras);
-            format!("{}({})", call_name, c)
+                if let Some(c) = c {
+                    return format!("{}({})", call_name, c);
                 } else {
-            let call_name = self.alias.get(&self.main).unwrap();
+                    return format!("{}()", call_name);
+                }
+            } else {
+                let call_name = self.alias.as_ref().map(|a| a.get(name).unwrap()).unwrap_or(name);
+                // let call_name = self.alias.get(name).unwrap();
                 format!("{}({})", call_name, paras.join(", "))
             }
+        })
     }
 
     pub fn prepare_code(&self) -> &str {
@@ -127,7 +140,7 @@ impl Snippet {
     }
 
     pub fn find_symbol(&self, name: &str) -> Option<&String> {
-        self.alias.get(name)
+        self.alias.as_ref().map(|a| a.get(name)).flatten()
     }
 
     pub fn find_variable(&self, name: &str) -> Option<&Rc<RefCell<ShareVariable>>> {
@@ -151,7 +164,7 @@ impl Add for Snippet {
         let code = rhs.parsed.to_string();
 
         raw_code.push_str(&code);
-        Snippet::new(self.name, CodeType::Code(raw_code), None).unwrap()
+        Snippet::new(self.name, CodeType::Code(raw_code),false, None).unwrap()
     }
 }
 
@@ -179,9 +192,9 @@ mod tests {
             }
         "#;
 
-        let snippet = Snippet::new("polar", CodeType::Code(code), None).unwrap();
+        let snippet = Snippet::new("polar", CodeType::Code(code), true, None).unwrap();
 
-        let snippet2 = Snippet::new("polar2", CodeType::Code(code), None).unwrap();
+        let snippet2 = Snippet::new("polar2", CodeType::Code(code),true, None).unwrap();
 
         let snippet3 = snippet.clone() + snippet2.clone();
 

src/graphics/collections/agg_fast_path.rs

@@ -2,7 +2,7 @@ use std::ops::{Deref, DerefMut};
 
 use bytemuck::{Pod, Zeroable};
 
-use crate::components::{fetchcode, CodeComponent, CodeType, Program, Shader};
+use crate::components::{fetchcode, CodeComponent, CodeType, Program, Shader, Snippet};
 use crate::errors::*;
 use crate::graphics::transforms::viewport::Viewport;
 use crate::graphics::transforms::Transform;
@@ -13,7 +13,7 @@ use super::Colletion;
 
 struct AggFastPath {
     program: Program,
-    buffer: Vec<Path>,
+    buffer: Vec<Point>,
 }
 
 impl AggFastPath {
@@ -28,7 +28,22 @@ impl AggFastPath {
             CodeType::<String>::Path("agg-fast-path.frag".into()),
         )?;
 
-        let vertex = vertex.add_snippet_after(fetchcode([], "agg_fast"));
+        let input_snippet = Snippet::new("input",CodeType::Code("
+            layout(location = 0) in vec3 prev;
+            layout(location = 1) in vec3 curr;
+            layout(location = 2) in vec3 next;
+
+            uniform float linewidth;
+
+            unifrom float antialias;
+
+            uniform vec4 color;
+
+        ") ,false, None)?;
+
+        print!("{}", input_snippet);
+
+        let vertex = vertex.add_snippet_before(input_snippet + fetchcode([], "agg_fast"));
 
         let mut program = Program::new(vertex, fragment, None, "");
 
@@ -37,7 +52,7 @@ impl AggFastPath {
 
         Ok(Self {
             program,
-            buffer: Vec::with_capacity(500),
+            buffer: Vec::with_capacity(128),
         })
     }
 }
@@ -46,15 +61,16 @@ impl Colletion for AggFastPath {
     type Item = Path;
 
     fn append(&mut self, item: Self::Item) {
-        self.buffer.push(item);
+        self.buffer.extend(item.points);
     }
 }
 
 impl Graphics for AggFastPath {
     fn draw(&self) -> Result<()> {
-        for path in self.buffer.iter() {
-            let p: &[u8] = &path;
-        }
+
+        use bytemuck::cast_slice;
+        let b:&[u8] = cast_slice(&self.buffer);
+        
         Ok(())
     }
 }
@@ -76,6 +92,52 @@ pub struct Path {
     is_empty: bool,
 }
 
+impl Default for Path {
+
+    fn default() -> Self {
+        Self {
+            points: Vec::with_capacity(500),
+            is_closed: false,
+            is_empty: true
+        }
+    }
+    
+}
+
+pub struct PathBuilder {
+    is_closed: bool,
+}
+
+impl Default for PathBuilder{
+
+    fn default() -> Self {
+        Self {
+            is_closed: false
+        }
+    }
+    
+}
+
+impl PathBuilder {
+
+    pub fn is_closed(&mut self , is_closed: bool) -> &mut Self {
+        self.is_closed = is_closed;
+        self
+    }
+
+
+    pub fn build(&self) -> Path {
+
+        Path {
+            points: Vec::with_capacity(500),
+            is_closed: self.is_closed,
+            is_empty: true,
+        }
+
+    }
+    
+}
+
 impl Path {
     pub fn new(is_closed: bool) -> Self {
         Self {
@@ -85,6 +147,11 @@ impl Path {
         }
     }
 
+    pub fn builder() -> PathBuilder {
+        PathBuilder::default()
+    }
+
+
     pub fn push(&mut self, point: [f32; 3]) {
         if self.is_empty {
             self.points.push(Point {
@@ -107,21 +174,33 @@ impl Path {
             let next = point;
             self.points.push(Point { prev, curr, next });
             self.points[len - 1].next = curr;
+
+            if len == 2 {
+                self.points[0].next = curr;
+            }
         }
     }
 
     pub fn finish(&mut self) {
         if self.is_closed {
             let len = self.points.len();
+            let curr = self.points.first().unwrap().curr;
             let prev = self.points[len - 1].curr;
-            let curr = self.points[0].curr;
-            let next = self.points[1].curr;
+            let next = self.points[1].next;
             self.points.push(Point { prev, curr, next });
             self.points[len - 1].next = curr;
         }
+
+        self.points.push(self.points.last().unwrap().clone());
     }
+
+    pub fn len(&self) -> usize {
+        self.points.len() - 2
+    }
+    
 }
 
+
 impl Deref for Path {
     type Target = [u8];
 
@@ -137,3 +216,42 @@ impl DerefMut for Path {
         cast_slice_mut(&mut self.points)
     }
 }
+
+
+mod test {
+
+    use crate::graphics::transforms::{polar::Polar, position::Position, trackball::Trackball};
+
+    use super::*;
+
+    #[test]
+    fn test_path() {
+
+        let mut path = Path::builder().is_closed(false).build();
+
+        path.push([9.0, 9.0, 9.0]);
+
+        path.push([9.0, 19.0, 9.0]);
+
+        path.finish();
+
+        println!("{:?}, len: {}", path, path.len());
+    }
+
+    #[test]
+    fn test_agg() {
+
+        let viewport = Trackball::new().unwrap();
+        let trans = Polar::new().unwrap();
+        let position = Position::new().unwrap();
+
+        let transform = viewport.chain(trans.chain(position));
+
+        let viewport = &Viewport::new().unwrap();
+
+        let agg_path = AggFastPath::new(&transform, &viewport).unwrap();
+
+
+        
+    }
+}

src/graphics/transforms/polar.rs

@@ -15,6 +15,7 @@ impl Polar {
         let snippets = Snippet::new(
             "polar",
             CodeType::<&'static str>::Path("transform/polar.glsl".into()),
+            true,
             Some("forward".to_string()),
         )?;
 

src/graphics/transforms/position.rs

@@ -12,6 +12,7 @@ impl Position {
         let snippets = Snippet::new(
             "position",
             CodeType::<&'static str>::Path("transform/position.glsl".into()),
+            true,
             None,
         )?;
 

src/graphics/transforms/trackball.rs

@@ -12,6 +12,7 @@ impl Trackball {
         let snippets = Snippet::new(
             "trackball",
             CodeType::<&'static str>::Path("transform/trackball.glsl".into()),
+            true,
             None,
         )?;
 

src/graphics/transforms/viewport.rs

@@ -11,6 +11,7 @@ impl Viewport {
         let snippets = Snippet::new(
             "viewport",
             CodeType::<&'static str>::Path("transform/viewport.glsl".into()),
+            true,
             None,
         )?;
 

src/utils/parser.rs

@@ -1525,7 +1525,7 @@ impl SnippetCode {
                 let paras = paras.join(", ");
                 format!("{}({})", call_name, paras)
             } else {
-                snippet.call(paras)
+                snippet.call(paras).unwrap()
             }
         } else {
             if ow_subhooks {
@@ -1538,7 +1538,7 @@ impl SnippetCode {
                     var.borrow().name.to_owned()
                 }
             } else {
-                snippet.call(&vec![])
+                snippet.call(&vec![]).unwrap()
             }
         };