Track hdr on ExtractedCamera in order to properly determine when to t…

…rigger MSAA writeback.

crates/bevy_render/src/camera/camera.rs

@@ -823,6 +823,7 @@ pub struct ExtractedCamera {
     pub clear_color: ClearColorConfig,
     pub sorted_camera_index_for_target: usize,
     pub exposure: f32,
+    pub hdr: bool,
 }
 
 pub fn extract_cameras(
@@ -902,6 +903,7 @@ pub fn extract_cameras(
                     exposure: exposure
                         .map(|e| e.exposure())
                         .unwrap_or_else(|| Exposure::default().exposure()),
+                    hdr: camera.hdr,
                 },
                 ExtractedView {
                     projection: camera.projection_matrix(),
@@ -953,6 +955,7 @@ pub struct SortedCamera {
     pub entity: Entity,
     pub order: isize,
     pub target: Option<NormalizedRenderTarget>,
+    pub hdr: bool,
 }
 
 pub fn sort_cameras(
@@ -965,6 +968,7 @@ pub fn sort_cameras(
             entity,
             order: camera.order,
             target: camera.target.clone(),
+            hdr: camera.hdr,
         });
     }
     // sort by order and ensure within an order, RenderTargets of the same type are packed together
@@ -985,7 +989,7 @@ pub fn sort_cameras(
             }
         }
         if let Some(target) = &sorted_camera.target {
-            let count = target_counts.entry(target.clone()).or_insert(0usize);
+            let count = target_counts.entry((target.clone(), sorted_camera.hdr)).or_insert(0usize);
             let (_, mut camera) = cameras.get_mut(sorted_camera.entity).unwrap();
             camera.sorted_camera_index_for_target = *count;
             *count += 1;