Partially fixed Framebuffer issues

* tweaked functions order in draw_triangle_frame()

src/lib.rs

@@ -90,8 +90,8 @@ pub fn run() -> Result<(), &'static str> {
 
     //running controller
     let mut controller = Controller::new(vec![subengine_pipeline]);
-    //loop {
+    loop {
-    for _i in 0..10 {
+    //for _i in 0..40 {
         controller.run();
     }
 

src/renderer/swap_system.rs

@@ -189,7 +189,11 @@ where
 
         //println!("Frame nb : {}", self.frames.len());
         //TODO frames number diminish sometimes at resize...
+        static mut id: i32 = 0;
         let mut frame = self.frames.pop_back().unwrap();
+        unsafe {
+            id = (id+1)%3;
+        }
 
         trace!("Waiting for Frame...");
         unsafe {
@@ -203,7 +207,16 @@ where
                 .map_err(|_| "Failed to reset Fence");  //TODO error
         }
 
-        trace!("Acquiring Frame...");
+        trace!("Reseting CommandBuffer...");
+        unsafe {
+            use gfx_hal::command::CommandBuffer;
+
+            frame.command_buffer.reset(false); //TODO may be needed at some point...
+        };
+
+        unsafe {
+            trace!("Acquiring Frame {}...", id);
+        }
         let image = unsafe {
             match self.surface.acquire_image(core::u64::MAX) {
                 Ok((image, suboptimal)) => {
@@ -215,12 +228,10 @@ where
         }};
 
         trace!("Creating Framebuffer...");
-        let framebuffer = unsafe {
+        let mut framebuffer = unsafe {
             use gfx_hal::device::Device;
             use std::borrow::Borrow;
 
-            //frame.command_buffer.reset(true); //TODO may be needed at some point...
-
             gpu.device()
                 .create_framebuffer(&self.render_pass,
                                     vec![image.borrow()],
@@ -228,6 +239,16 @@ where
                 .unwrap() //TODO improve that
         };
 
+        unsafe {
+             use gfx_hal::{
+                device::Device,
+                command::CommandBuffer,
+            };
+
+             gpu.device()
+                 .set_framebuffer_name(&mut framebuffer, format!("frambuffer {}", id).as_str());
+        }
+
         frame.link_swapchain_image(gpu, image, framebuffer);
         
         Ok(frame)
@@ -248,6 +269,7 @@ where
                 .map_err(|_| "Failed to present into the swapchain")?;
         };
 
+        frame.destroy_framebuffer(gpu);
         self.frames.push_front(frame);
 
         Ok(())

src/renderer/swap_system/frame.rs

@@ -103,13 +103,14 @@ where
                                 framebuffer: B::Framebuffer) {
         use gfx_hal::device::Device;
         
-        match self.framebuffer.replace(framebuffer) {
+        self.framebuffer = Some(framebuffer);
-            Some(old_framebuffer) => {
+        //match self.framebuffer.replace(framebuffer) {
-                trace!("Destroying Framebuffer...");
+        //    Some(old_framebuffer) => {
-                unsafe { gpu.device().destroy_framebuffer(old_framebuffer) };
+        //        trace!("Destroying Framebuffer...");
-            },
+        //        unsafe { gpu.device().destroy_framebuffer(old_framebuffer) };
-            None => (),
+        //    },
-        }
+        //    None => (),
+        //}
         
         self.image_view = Some(image);
     }
@@ -121,5 +122,13 @@ where
                 .take()
                 .ok_or("Can not unlink non-linked Frame !")
     }
+
+    pub fn destroy_framebuffer(&mut self, gpu: &Gpu<B>) {
+        unsafe {
+            use gfx_hal::device::Device;
+
+            gpu.device().destroy_framebuffer(self.framebuffer.take().unwrap());
+        }
+    }
 }