Remove unnecessary redrawing windows.

git-svn-id: svn://kolibrios.org@5870 a494cfbc-eb01-0410-851d-a64ba20cac60
2015-10-31 21:43:10 +00:00
parent 7e71d3947c
commit 5a795de357
3 changed files with 36 additions and 5 deletions
--- a/kernel/trunk/kernel.asm
+++ b/kernel/trunk/kernel.asm
@@ -3841,6 +3841,14 @@ newdw2:
        cmp     ecx, 1             ; limit for background
        jz      bgli

+        mov     eax, [esp+4]        ;if upper in z-position - no redraw
+        test    eax, eax
+        jz      @f
+        mov     al, [eax + WDATA.z_modif]
+        cmp     [edi + WDATA.z_modif], al
+        jg      ricino
+      @@:
+
        mov     eax, [edi + WDATA.box.left]
        mov     ebx, [edi + WDATA.box.top]