moved to rust style file tree

src/compute/compu_frame.rs

@@ -0,0 +1,57 @@
+use crate::canvas::canvas_state::{CanvasImageHandle, Drawable};
+use std::sync::Arc;
+use crate::compute::compu_sprite::CompuSprite;
+use crate::compute::compu_kernel::{CompuKernel, CompuKernelHandle};
+use crate::compute::compu_buffer::{CompuBuffers, CompuBufferHandle};
+
+pub struct CompuFrame {
+    // Vec<(Buffer, Kernel)>
+    pub pure_compute: Vec<(
+        Arc<CompuBufferHandle>,
+        Arc<CompuKernelHandle>)>,
+
+    // Vec<(Buffer, Image, Kernel)>
+    pub swapped_to_image: Vec<(
+        Arc<CompuBufferHandle>,
+        Arc<CanvasImageHandle>,
+        Arc<CompuKernelHandle>)>,
+
+    // Vec<(Input Buffer, Output Buffer, Kernel)>
+    pub swapped_to_buffer: Vec<(
+        Arc<CompuBufferHandle>,
+        Arc<CompuBufferHandle>,
+        Arc<CompuKernelHandle>)>,
+}
+
+impl CompuFrame {
+    pub fn new() -> CompuFrame {
+        CompuFrame {
+            pure_compute: vec![],
+            swapped_to_image: vec![],
+            swapped_to_buffer: vec![],
+        }
+    }
+
+    pub fn add(&mut self, buffer: Arc<CompuBufferHandle>, kernel: Arc<CompuKernelHandle>) {
+        self.pure_compute.push((buffer, kernel));
+    }
+
+    /*
+       INPUT_BUFFER -> input -> kernel -> output
+                           v------------------^
+       OUTPUT_BUFFER -> input X kernel X output
+    */
+    pub fn add_chained(&mut self,
+                       input_buffer: Arc<CompuBufferHandle>,
+                       output_buffer: Arc<CompuBufferHandle>,
+                       kernel: Arc<CompuKernelHandle>) {
+        self.swapped_to_buffer.push((input_buffer, output_buffer, kernel));
+    }
+
+    pub fn add_with_image_swap(&mut self,
+                               buffer: Arc<CompuBufferHandle>,
+                               kernel: Arc<CompuKernelHandle>,
+                               sprite: &CompuSprite) {
+        self.swapped_to_image.push((buffer, sprite.get_image_handle().unwrap().clone(), kernel))
+    }
+}