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reset clipping rect of HDC_SCREEN_SYS before composting

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Vincent Wei
2020-01-20 12:07:37 +08:00
parent 56c2c7ec17
commit 5840f4f1a8
1 changed files with 4 additions and 3 deletions
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src/kernel/compsor-fallback.c
+4 -3
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@@ -123,15 +123,14 @@ static void composite_with_wallpaper (CompositorCtxt* ctxt,
SelectClipRect (HDC_SCREEN_SYS, dirty_rc);
if (wp_w > 0 && wp_h > 0) {
RECT rcScr = GetScreenRect ();
// tile the wallpaper pattern
int y = 0;
int left_h = RECTH (rcScr);
int left_h = RECTH (ctxt->rc_screen);
while (left_h > 0) {
int x = 0;
int left_w = RECTW (rcScr);
int left_w = RECTW (ctxt->rc_screen);
while (left_w > 0) {
BitBlt (HDC_SCREEN, 0, 0, wp_w, wp_h, HDC_SCREEN_SYS, x, y, 0);
@@ -257,6 +256,8 @@ static void on_dirty_win (CompositorCtxt* ctxt,
SetClipRgn (&ctxt->dirty_rgn, &ctxt->rc_screen);
}
SelectClipRect (HDC_SCREEN_SYS, &ctxt->rc_screen);
IntersectRegion (&ctxt->comps_rgn, &ctxt->dirty_rgn, &ctxt->wins_rgn);
EmptyClipRgn (&ctxt->dirty_rgn);