Actually align the offset of allocated offscreen areas.

2004-01-03 11:17:44 +00:00
parent 354f8f7e94
commit 1e1a35e20c
2 changed files with 6 additions and 1 deletions
--- a/hw/kdrive/src/koffscreen.c
+++ b/hw/kdrive/src/koffscreen.c
@@ -195,7 +195,10 @@ KdOffscreenAlloc (ScreenPtr pScreen, int size, int align,
 	area->state = KdOffscreenRemovable;
    area->privData = privData;
    area->save = save;
-    
+
+    area->save_offset = area->offset;
+    area->offset = (area->offset + align - 1) & ~(align - 1);
+
    KdOffscreenValidate (pScreen);
    
    DBG_OFFSCREEN (("Alloc 0x%x -> 0x%x\n", size, area->offset));
@@ -260,6 +263,7 @@ KdOffscreenFree (ScreenPtr pScreen, KdOffscreenArea *area)

    area->state = KdOffscreenAvail;
    area->save = 0;
+    area->offset = area->save_offset;

    /*
     * Find previous area