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tune code for potential memory leaks

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Vincent Wei
2021-03-25 15:45:07 +08:00
parent 87637f68dd
commit 9978a89991
1 changed files with 112 additions and 93 deletions
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src/kernel/compsor-fallback.c
+112 -93
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@@ -148,91 +148,6 @@ static int subtract_opaque_win_znodes_above (CompositorCtxt* ctxt, int from)
return nr_subtracted;
}
#if 0 /* deprecated code */
/*
* This helper is useful for transparent or blur popup menus
* The fallback compositor only supports opaque popup menus.
*/
static void subtract_opaque_ppp_znodes (CompositorCtxt* ctxt)
{
int i, nr_ppp;
// subtract opaque menu znodes
nr_ppp = ServerGetPopupMenusCount();
for (i = 0; i < nr_ppp; i++) {
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn;
znode_hdr = ServerGetPopupMenuZNodeHeader (i, (void**)rgn, FALSE);
if (znode_hdr && znode_hdr->ct == CT_OPAQUE) {
SubtractRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, rgn);
}
}
}
static inline int get_lucent_win_znodes_above (CompositorCtxt* ctxt, int from)
{
int nr_lucent = 0;
int prev;
/* subtract opaque window znodes */
if (from > 0)
prev = from;
else
prev = ServerGetPrevZNode (NULL, 0, NULL);
while (prev > 0) {
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn;
znode_hdr = ServerGetWinZNodeHeader (NULL, prev, (void**)&rgn, FALSE);
assert (znode_hdr);
if ((znode_hdr->flags & ZNIF_VISIBLE) &&
(znode_hdr->ct & CT_SYSTEM_MASK) != CT_OPAQUE &&
AreRegionsIntersected (&ctxt->dirty_rgn, rgn)) {
nr_lucent++;
}
prev = ServerGetPrevZNode (NULL, prev, NULL);
}
return nr_lucent;
}
static inline void subtract_all_opaque_win_znodes (CompositorCtxt* ctxt,
CLIPRGN* dirty_rgn)
{
int next;
if (IsEmptyClipRgn (dirty_rgn)) {
return;
}
next = ServerGetNextZNode (NULL, 0, NULL);
while (next > 0) {
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn;
znode_hdr = ServerGetWinZNodeHeader (NULL, next, (void**)&rgn, FALSE);
assert (znode_hdr);
if ((znode_hdr->flags & ZNIF_VISIBLE) &&
(znode_hdr->ct & CT_SYSTEM_MASK) == CT_OPAQUE) {
SubtractRegion (dirty_rgn, dirty_rgn, rgn);
if (IsEmptyClipRgn (dirty_rgn)) {
return;
}
}
next = ServerGetNextZNode (NULL, next, NULL);
}
}
#endif /* deprecated code */
static inline void tile_dirty_region_for_wallpaper (CompositorCtxt* ctxt)
{
int wp_w = GetGDCapability (HDC_SCREEN, GDCAP_HPIXEL);
@@ -353,6 +268,7 @@ static void composite_ppp_znodes (CompositorCtxt* ctxt)
BitBlt (znode_hdr->mem_dc, 0, 0,
RECTW (znode_hdr->rc), RECTH (znode_hdr->rc),
HDC_SCREEN_SYS, znode_hdr->rc.left, znode_hdr->rc.top, 0);
SelectClipRect (HDC_SCREEN_SYS, NULL);
// subtract the clipping region of the popup menu znode
// from the dirty region, because this compositor
@@ -399,10 +315,11 @@ static void composite_opaque_win_znode (CompositorCtxt* ctxt, int from)
0, 0, RECTW(znode_hdr->rc), RECTH(znode_hdr->rc),
HDC_SCREEN_SYS,
znode_hdr->rc.left + offx, znode_hdr->rc.top + offy, 0);
SelectClipRect (HDC_SCREEN_SYS, NULL);
SubtractRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, &ctxt->inv_rgn);
EmptyClipRgn (&ctxt->inv_rgn);
}
EmptyClipRgn (&ctxt->inv_rgn);
ServerReleaseWinZNodeHeader (ctxt->layer, from);
}
@@ -468,14 +385,15 @@ static void composite_all_lucent_win_znodes_above (CompositorCtxt* ctxt,
}
SelectClipRegion (HDC_SCREEN_SYS, &ctxt->inv_rgn);
//SelectClipRect (HDC_SCREEN_SYS, &znode_hdr->rc);
BitBlt (znode_hdr->mem_dc,
0, 0, RECTW(znode_hdr->rc), RECTH(znode_hdr->rc),
HDC_SCREEN_SYS,
znode_hdr->rc.left + offx, znode_hdr->rc.top + offy, 0);
EmptyClipRgn (&ctxt->inv_rgn);
SelectClipRect (HDC_SCREEN_SYS, NULL);
}
EmptyClipRgn (&ctxt->inv_rgn);
ServerReleaseWinZNodeHeader (ctxt->layer, prev);
prev = ServerGetPrevZNode (ctxt->layer, prev, NULL);
@@ -495,7 +413,7 @@ static void composite_on_dirty_region (CompositorCtxt* ctxt, int from)
the dirty region. */
if (from > 0 && subtract_opaque_win_znodes_above (ctxt, from) > 0) {
if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
return;
goto done;
}
}
@@ -503,7 +421,7 @@ static void composite_on_dirty_region (CompositorCtxt* ctxt, int from)
the region of visible popup menus. */
IntersectRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, &ctxt->wins_rgn);
if (IsEmptyClipRgn (&ctxt->dirty_rgn)) {
return;
goto done;
}
/* compositing the current window znode and the znodes below it */
@@ -537,6 +455,7 @@ static void composite_on_dirty_region (CompositorCtxt* ctxt, int from)
composite_all_lucent_win_znodes_above (ctxt, &tmp_rgn, 0);
}
done:
EmptyClipRgn (&tmp_rgn);
}
@@ -747,7 +666,6 @@ static BOOL refresh_dirty_region (CompositorCtxt* ctxt, MG_Layer* layer)
if (ctxt->dirty_types & DIRTY_ZT_PPP)
composite_ppp_znodes (ctxt);
composite_on_dirty_region (ctxt, 0);
EmptyClipRgn (&ctxt->dirty_rgn);
SyncUpdateDC (HDC_SCREEN_SYS);
@@ -805,6 +723,8 @@ static void on_dirty_screen (CompositorCtxt* ctxt,
}
composite_on_dirty_region (ctxt, 0);
EmptyClipRgn (&ctxt->dirty_rgn);
SyncUpdateDC (HDC_SCREEN_SYS);
}
@@ -881,6 +801,7 @@ static void refresh_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx)
composite_on_dirty_region (ctxt, zidx);
SyncUpdateDC (HDC_SCREEN_SYS);
}
EmptyClipRgn (&ctxt->dirty_rgn);
}
static void on_moved_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx,
@@ -914,6 +835,8 @@ static void on_moved_win (CompositorCtxt* ctxt, MG_Layer* layer, int zidx,
composite_on_dirty_region (ctxt, zidx);
SyncUpdateDC (HDC_SCREEN_SYS);
}
EmptyClipRgn (&ctxt->dirty_rgn);
}
static void on_changed_rgn (CompositorCtxt* ctxt, MG_Layer* layer,
@@ -950,6 +873,8 @@ static void on_changed_rgn (CompositorCtxt* ctxt, MG_Layer* layer,
composite_on_dirty_region (ctxt, zidx);
SyncUpdateDC (HDC_SCREEN_SYS);
}
EmptyClipRgn (&ctxt->dirty_rgn);
}
static void on_layer_op (CompositorCtxt* ctxt, int layer_op,
@@ -1102,7 +1027,12 @@ static void transit_to_layer (CompositorCtxt* ctxt, MG_Layer* to_layer)
cp.percent = 95;
while (cp.percent > 5) {
composite_layers (ctxt, layers, 2, &cp);
unsigned int t_ms;
t_ms = composite_layers (ctxt, layers, 2, &cp);
_MG_PRINTF ("time cosumed of composite_layers: %u\n", t_ms);
usleep (10 * 1000);
cp.percent -= 9;
}
}
@@ -1113,7 +1043,11 @@ static void transit_to_layer (CompositorCtxt* ctxt, MG_Layer* to_layer)
cp.percent = 5;
while (cp.percent < 95) {
composite_layers (ctxt, layers, 2, &cp);
unsigned int t_ms;
t_ms = composite_layers (ctxt, layers, 2, &cp);
_MG_PRINTF ("time cosumed of composite_layers: %u\n", t_ms);
usleep (10 * 1000);
cp.percent += 9;
}
@@ -1149,3 +1083,88 @@ CompositorOps __mg_fallback_compositor = {
#endif /* defined(_MGRM_PROCESSES) && defined(_MGSCHEMA_COMPOSITING) */
#if 0 /* deprecated code */
/*
* This helper is useful for transparent or blur popup menus
* The fallback compositor only supports opaque popup menus.
*/
static void subtract_opaque_ppp_znodes (CompositorCtxt* ctxt)
{
int i, nr_ppp;
// subtract opaque menu znodes
nr_ppp = ServerGetPopupMenusCount();
for (i = 0; i < nr_ppp; i++) {
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn;
znode_hdr = ServerGetPopupMenuZNodeHeader (i, (void**)rgn, FALSE);
if (znode_hdr && znode_hdr->ct == CT_OPAQUE) {
SubtractRegion (&ctxt->dirty_rgn, &ctxt->dirty_rgn, rgn);
}
}
}
static inline int get_lucent_win_znodes_above (CompositorCtxt* ctxt, int from)
{
int nr_lucent = 0;
int prev;
/* subtract opaque window znodes */
if (from > 0)
prev = from;
else
prev = ServerGetPrevZNode (NULL, 0, NULL);
while (prev > 0) {
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn;
znode_hdr = ServerGetWinZNodeHeader (NULL, prev, (void**)&rgn, FALSE);
assert (znode_hdr);
if ((znode_hdr->flags & ZNIF_VISIBLE) &&
(znode_hdr->ct & CT_SYSTEM_MASK) != CT_OPAQUE &&
AreRegionsIntersected (&ctxt->dirty_rgn, rgn)) {
nr_lucent++;
}
prev = ServerGetPrevZNode (NULL, prev, NULL);
}
return nr_lucent;
}
static inline void subtract_all_opaque_win_znodes (CompositorCtxt* ctxt,
CLIPRGN* dirty_rgn)
{
int next;
if (IsEmptyClipRgn (dirty_rgn)) {
return;
}
next = ServerGetNextZNode (NULL, 0, NULL);
while (next > 0) {
const ZNODEHEADER* znode_hdr;
CLIPRGN* rgn;
znode_hdr = ServerGetWinZNodeHeader (NULL, next, (void**)&rgn, FALSE);
assert (znode_hdr);
if ((znode_hdr->flags & ZNIF_VISIBLE) &&
(znode_hdr->ct & CT_SYSTEM_MASK) == CT_OPAQUE) {
SubtractRegion (dirty_rgn, dirty_rgn, rgn);
if (IsEmptyClipRgn (dirty_rgn)) {
return;
}
}
next = ServerGetNextZNode (NULL, next, NULL);
}
}
#endif /* deprecated code */