Reuse a `RenderPass` as much as possible in `iced_wgpu`

1 files changed, 3 insertions, 7 deletions

diff --git a/wgpu/src/image.rs b/wgpu/src/image.rs
index 5d1ae8d7..db05d2ff 100644
--- a/wgpu/src/image.rs
+++ b/wgpu/src/image.rs
@@ -45,7 +45,6 @@ pub struct Pipeline {
 
     layers: Vec<Layer>,
     prepare_layer: usize,
-    render_layer: usize,
 }
 
 #[derive(Debug)]
@@ -321,7 +320,6 @@ impl Pipeline {
 
             layers: Vec::new(),
             prepare_layer: 0,
-            render_layer: 0,
         }
     }
 
@@ -452,11 +450,12 @@ impl Pipeline {
     }
 
     pub fn render<'a>(
-        &'a mut self,
+        &'a self,
+        layer: usize,
         bounds: Rectangle<u32>,
         render_pass: &mut wgpu::RenderPass<'a>,
     ) {
-        if let Some(layer) = self.layers.get(self.render_layer) {
+        if let Some(layer) = self.layers.get(layer) {
             render_pass.set_pipeline(&self.pipeline);
 
             render_pass.set_scissor_rect(
@@ -474,8 +473,6 @@ impl Pipeline {
             render_pass.set_vertex_buffer(0, self.vertices.slice(..));
 
             layer.render(render_pass);
-
-            self.render_layer += 1;
         }
     }
 
@@ -496,7 +493,6 @@ impl Pipeline {
             .trim(&mut self.texture_atlas, &mut (device, queue, encoder));
 
         self.prepare_layer = 0;
-        self.render_layer = 0;
     }
 }