From d06d06e05096e0145be74fd02d67eada0a1665a1 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector0193@gmail.com>
Date: Wed, 26 Feb 2020 20:10:19 +0100
Subject: Deallocate atlas entries and remove padding

---
 wgpu/src/image/raster.rs | 15 +++++++++++++--
 wgpu/src/image/vector.rs | 12 ++++++++++--
 2 files changed, 23 insertions(+), 4 deletions(-)

(limited to 'wgpu/src/image')

diff --git a/wgpu/src/image/raster.rs b/wgpu/src/image/raster.rs
index b19da582..cae8e065 100644
--- a/wgpu/src/image/raster.rs
+++ b/wgpu/src/image/raster.rs
@@ -95,10 +95,21 @@ impl Cache {
         }
     }
 
-    pub fn trim(&mut self) {
+    pub fn trim(&mut self, atlas: &mut Atlas) {
         let hits = &self.hits;
 
-        self.map.retain(|k, _| hits.contains(k));
+        self.map.retain(|k, memory| {
+            let retain = hits.contains(k);
+
+            if !retain {
+                if let Memory::Device(entry) = memory {
+                    atlas.remove(entry);
+                }
+            }
+
+            retain
+        });
+
         self.hits.clear();
     }
 
diff --git a/wgpu/src/image/vector.rs b/wgpu/src/image/vector.rs
index 0dabc9ca..e7eb4906 100644
--- a/wgpu/src/image/vector.rs
+++ b/wgpu/src/image/vector.rs
@@ -130,12 +130,20 @@ impl Cache {
         }
     }
 
-    pub fn trim(&mut self) {
+    pub fn trim(&mut self, atlas: &mut Atlas) {
         let svg_hits = &self.svg_hits;
         let rasterized_hits = &self.rasterized_hits;
 
         self.svgs.retain(|k, _| svg_hits.contains(k));
-        self.rasterized.retain(|k, _| rasterized_hits.contains(k));
+        self.rasterized.retain(|k, entry| {
+            let retain = rasterized_hits.contains(k);
+
+            if !retain {
+                atlas.remove(entry);
+            }
+
+            retain
+        });
         self.svg_hits.clear();
         self.rasterized_hits.clear();
     }
-- 
cgit