more brainstorming on how spriting and computing is going to work

src/canvas.rs

@@ -1,7 +1,7 @@
 use crate::vertex_2d::{ColoredVertex2D, Vertex2D};
 use vulkano::command_buffer::{AutoCommandBufferBuilder, DynamicState};
 use std::collections::HashMap;
-use vulkano::buffer::{BufferAccess, BufferUsage, ImmutableBuffer};
+use vulkano::buffer::{BufferAccess, BufferUsage, ImmutableBuffer, CpuAccessibleBuffer};
 use std::sync::Arc;
 use vulkano::format::{ClearValue, Format};
 use vulkano::framebuffer::{FramebufferAbstract, Framebuffer};
@@ -85,8 +85,6 @@ pub trait Drawable {
     fn get_texture_id(&self) -> Option<String>;
 }
 
-
-
 // Need three types of shaders. Solid, Textured, Compute
 #[derive(PartialEq, Eq, Hash, Clone)]
 pub enum ShaderType {
@@ -145,10 +143,10 @@ impl CanvasFrame {
 pub struct Canvas {
 
     colored_drawables : Vec<ColoredVertex2D>,
-    colored_vertex_buffer: Vec<Arc<(dyn BufferAccess + std::marker::Send + std::marker::Sync + 'static)>>,
+    colored_vertex_buffer: Vec<Arc<(dyn BufferAccess + std::marker::Send + std::marker::Sync)>>,
 
     textured_drawables: HashMap<String, Vec<Vertex2D>>,
-    textured_vertex_buffer: HashMap<String, Arc<(dyn BufferAccess + std::marker::Send + std::marker::Sync + 'static)>>,
+    textured_vertex_buffer: HashMap<String, Arc<(dyn BufferAccess + std::marker::Send + std::marker::Sync)>>,
 
     shader_kernels: HashMap<ShaderType, ShaderKernels>,
 
@@ -163,6 +161,7 @@ pub struct Canvas {
 
 
 impl Canvas {
+
     // needs to take in the texture list
     pub fn new(queue: Arc<Queue>,
                device: Arc<Device>,
@@ -273,6 +272,14 @@ impl Canvas {
         self.colored_vertex_buffer.clear();
         self.textured_vertex_buffer.clear();
 
+
+        //TODO should probably use cpu accessible buffer instead of recreating immutes each frame
+//        CpuAccessibleBuffer::from_iter(
+//            device.clone(),
+//            BufferUsage::vertex_buffer(),
+//            self.colored_drawables.iter().cloned(),
+//        ).unwrap().0;
+
         self.colored_vertex_buffer.push(
             ImmutableBuffer::from_iter(
                 self.colored_drawables.iter().cloned(),