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do not forget to call SyncUpdateDC even if left_rgn is empty

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Vincent Wei
2020-02-05 17:27:54 +08:00
parent 3d826ff7cb
commit 2ff668e11a
1 changed files with 30 additions and 14 deletions
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src/kernel/compsor-fallback.c
+30 -14
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@@ -90,7 +90,6 @@ static CompositorCtxt* initialize (const char* name)
SetClipRgn (&ctxt->wins_rgn, &ctxt->rc_screen);
}
_DBG_PRINTF("called: %p\n", ctxt);
return ctxt;
}
@@ -103,8 +102,6 @@ static void terminate (CompositorCtxt* ctxt)
DestroyFreeClipRectList (&ctxt->cliprc_heap);
free (ctxt);
}
_DBG_PRINTF("called\n");
}
static void subtract_opaque_win_znodes_above (CompositorCtxt* ctxt, int from)
@@ -395,6 +392,13 @@ static void on_dirty_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
// subtract opaque znodes above current znode.
subtract_opaque_win_znodes_above (ctxt, zidx);
}
/* It's time to play an animation for the first exposure of the window. */
if (znode_hdr->changes == 0) {
_DBG_PRINTF ("changes and dirty_age of this znode (%d): %u, %u\n",
zidx, znode_hdr->changes, znode_hdr->dirty_age);
}
ServerReleaseWinZNodeHeader (NULL, zidx);
if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
@@ -402,6 +406,12 @@ static void on_dirty_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
return;
}
_DBG_PRINTF ("rcBound of dirty region: (%d, %d, %d, %d)\n",
ctxt->dirty_rgn.rcBound.left,
ctxt->dirty_rgn.rcBound.top,
ctxt->dirty_rgn.rcBound.right,
ctxt->dirty_rgn.rcBound.bottom);
/* generate the compositing region */
IntersectRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, &ctxt->wins_rgn);
if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
@@ -409,6 +419,12 @@ static void on_dirty_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
return;
}
_DBG_PRINTF ("rcBound of dirty region: (%d, %d, %d, %d)\n",
ctxt->dirty_rgn.rcBound.left,
ctxt->dirty_rgn.rcBound.top,
ctxt->dirty_rgn.rcBound.right,
ctxt->dirty_rgn.rcBound.bottom);
/* compositing the window znodes */
CopyRegion (&ctxt->left_rgn, &ctxt->dirty_rgn);
next = ServerGetNextZNode (NULL, 0, NULL);
@@ -425,7 +441,7 @@ static void on_dirty_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
if (IsEmptyClipRgn (&ctxt->left_rgn)) {
_DBG_PRINTF ("The left compositing region is empty\n");
return;
goto ret;
}
/* fill left region with wallpaper */
@@ -435,8 +451,8 @@ static void on_dirty_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
crc = crc->next;
}
ret:
EmptyClipRgn (&ctxt->left_rgn);
SyncUpdateDC (HDC_SCREEN_SYS);
}
@@ -454,22 +470,21 @@ static void on_dirty_wpp (CompositorCtxt* ctxt)
if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
_DBG_PRINTF ("No need to composite wallpaper\n");
goto ret;
goto ret_no_compos;
}
}
else {
_DBG_PRINTF ("The dirty region is empty\n");
goto ret;
goto ret_no_compos;
}
IntersectRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, &ctxt->wins_rgn);
if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
_DBG_PRINTF ("The compositing region is empty\n");
goto ret;
goto ret_no_compos;
}
CopyRegion (&ctxt->left_rgn, &ctxt->dirty_rgn);
next = ServerGetNextZNode (NULL, 0, NULL);
while (next > 0) {
crc = ctxt->dirty_rgn.head;
@@ -494,10 +509,11 @@ static void on_dirty_wpp (CompositorCtxt* ctxt)
crc = crc->next;
}
EmptyClipRgn (&ctxt->left_rgn);
SyncUpdateDC (HDC_SCREEN_SYS);
ret:
EmptyClipRgn (&ctxt->left_rgn);
SyncUpdateDC (HDC_SCREEN_SYS);
ret_no_compos:
if (znode_hdr)
ServerReleaseWinZNodeHeader (NULL, 0);
}
@@ -671,7 +687,7 @@ static void on_dirty_screen (CompositorCtxt* ctxt,
if (IsEmptyClipRgn (&ctxt->left_rgn)) {
_DBG_PRINTF ("The left compositing region is empty\n");
return;
goto ret;
}
/* fill left region with wallpaper */
@@ -681,8 +697,8 @@ static void on_dirty_screen (CompositorCtxt* ctxt,
crc = crc->next;
}
ret:
EmptyClipRgn (&ctxt->left_rgn);
SyncUpdateDC (HDC_SCREEN_SYS);
}