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lock and unlock surface before calling on_dirty_xxx

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Vincent Wei
2020-02-10 22:49:02 +08:00
parent a871d4b344
commit 94a0e2fdb7
1 changed files with 39 additions and 0 deletions
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39
src/kernel/compsor-manager.c
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@@ -120,6 +120,37 @@ static const CompositorOps* load_default_compositor (void)
return ex_compsor_get (COMPSOR_NAME_DEFAULT, &__mg_fallback_compositor);
}
static void lock_znode_surface (PDC pdc, ZORDERNODE* node)
{
if (node->lock_count == 0) {
if (pdc->surface->shared_header) {
LOCK_SURFACE_SEM (pdc->surface->shared_header->sem_num);
}
node->dirty_age = pdc->surface->dirty_info->dirty_age;
node->nr_dirty_rcs = pdc->surface->dirty_info->nr_dirty_rcs;
node->dirty_rcs = pdc->surface->dirty_info->dirty_rcs;
}
node->lock_count++;
}
static void unlock_znode_surface (PDC pdc, ZORDERNODE* node)
{
if (node->lock_count > 0) {
node->lock_count--;
if (node->lock_count == 0) {
if (pdc->surface->shared_header)
UNLOCK_SURFACE_SEM (pdc->surface->shared_header->sem_num);
node->dirty_age = 0;
node->nr_dirty_rcs = 0;
node->dirty_rcs = NULL;
}
}
}
void __mg_composite_dirty_znodes (void)
{
MG_Layer* layer;
@@ -142,12 +173,14 @@ void __mg_composite_dirty_znodes (void)
pdc = dc_HDC2PDC (nodes[i].mem_dc);
assert (pdc->surface->dirty_info);
lock_znode_surface (pdc, nodes + i);
changes_in_dc = pdc->surface->dirty_info->dirty_age;
if (changes_in_dc != nodes[i].changes) {
ops->on_dirty_ppp (ctxt, i);
nodes[i].changes = changes_in_dc;
pdc->surface->dirty_info->nr_dirty_rcs = 0;
}
unlock_znode_surface (pdc, nodes + i);
}
}
@@ -159,12 +192,14 @@ void __mg_composite_dirty_znodes (void)
pdc = dc_HDC2PDC (nodes[next].mem_dc);
assert (pdc->surface->dirty_info);
lock_znode_surface (pdc, nodes + next);
changes_in_dc = pdc->surface->dirty_info->dirty_age;
if (changes_in_dc != nodes[next].changes) {
ops->on_dirty_win (ctxt, mgTopmostLayer, next);
nodes[next].changes = changes_in_dc;
pdc->surface->dirty_info->nr_dirty_rcs = 0;
}
unlock_znode_surface (pdc, nodes + next);
}
}
@@ -180,12 +215,14 @@ void __mg_composite_dirty_znodes (void)
pdc = dc_HDC2PDC (nodes[next].mem_dc);
assert (pdc->surface->dirty_info);
lock_znode_surface (pdc, nodes + next);
changes_in_dc = pdc->surface->dirty_info->dirty_age;
if (changes_in_dc != nodes[next].changes) {
ops->on_dirty_win (ctxt, layer, next);
nodes[next].changes = changes_in_dc;
pdc->surface->dirty_info->nr_dirty_rcs = 0;
}
unlock_znode_surface (pdc, nodes + next);
}
}
}
@@ -197,12 +234,14 @@ void __mg_composite_dirty_znodes (void)
pdc = dc_HDC2PDC (HDC_SCREEN);
assert (pdc->surface->dirty_info);
if (pdc->surface->w > 0 && pdc->surface->h > 0) {
lock_znode_surface (pdc, nodes);
changes_in_dc = pdc->surface->dirty_info->dirty_age;
if (changes_in_dc != nodes[0].changes) {
ops->on_dirty_wpp (ctxt);
nodes[0].changes = changes_in_dc;
pdc->surface->dirty_info->nr_dirty_rcs = 0;
}
unlock_znode_surface (pdc, nodes);
}
}