gamnit: don't use `sprites_to_update` after a GPU buffer resize

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/gamnit/flat.nit b/lib/gamnit/flat.nit
index 85c702c..335bbd1 100644 (file)
--- a/lib/gamnit/flat.nit
+++ b/lib/gamnit/flat.nit
@@ -990,6 +990,7 @@ private class SpriteContext
                glBindBuffer(gl_ELEMENT_ARRAY_BUFFER, buffer_element)
 
                # Resize GPU buffers?
+               var update_everything = false
                if sprites.capacity > buffer_capacity then
                        # Try to defragment first
                        var moved = sprites.defragment
@@ -999,6 +1000,7 @@ private class SpriteContext
                                resize
 
                                # We must update everything
+                               update_everything = true
                                for s in sprites.items do if s != null then sprites_to_update.add s
                        else
                                # Just update the moved sprites
@@ -1012,10 +1014,17 @@ private class SpriteContext
                end
 
                # Update GPU sprites data
-               if sprites_to_update.not_empty then
+               if sprites_to_update.not_empty or update_everything then
                        app.perf_clock_sprites.lapse
 
-                       for sprite in sprites_to_update do update_sprite(sprite)
+                       if update_everything then
+                               for sprite in sprites.items do if sprite != null then
+                                       update_sprite(sprite)
+                               end
+                       else
+                               for sprite in sprites_to_update do update_sprite(sprite)
+                       end
+
                        sprites_to_update.clear
                        last_sprite_to_update = null