java-topology/defects/panda3d/patch/panda3d-0002-graphics-output-display-region-map.patch

55 lines
2.2 KiB
Diff

--- a/panda/src/display/graphicsOutput.h
+++ b/panda/src/display/graphicsOutput.h
@@ -34,6 +34,7 @@
#include "pvector.h"
#include "pmap.h"
+#include "pset.h"
...
- typedef pvector< PT(DisplayRegion) > TotalDisplayRegions;
- TotalDisplayRegions _total_display_regions;
+ // Map from raw pointer → owning PT ref for O(1) find+erase.
+ // Insertion order is not required here; active-region sort happens in
+ // do_determine_display_regions() which rebuilds _active_display_regions
+ // from scratch on each stale cycle.
+ typedef pmap<DisplayRegion *, PT(DisplayRegion)> TotalDisplayRegions;
+ TotalDisplayRegions _total_display_regions;
--- a/panda/src/display/graphicsOutput.cxx
+++ b/panda/src/display/graphicsOutput.cxx
@@ -1601,8 +1601,8 @@ add_display_region(DisplayRegion *display_region) {
- _total_display_regions.push_back(display_region);
+ _total_display_regions[display_region] = PT(DisplayRegion)(display_region);
}
@@ -1617,15 +1617,14 @@ do_remove_display_region(DisplayRegion *display_region) {
nassertr(display_region != _overlay_display_region, false);
- PT(DisplayRegion) drp = display_region;
- TotalDisplayRegions::iterator dri =
- find(_total_display_regions.begin(), _total_display_regions.end(), drp);
- if (dri != _total_display_regions.end()) {
+ TotalDisplayRegions::iterator dri = _total_display_regions.find(display_region);
+ if (dri != _total_display_regions.end()) {
// Let's aggressively clean up the display region too.
display_region->cleanup();
display_region->_window = nullptr;
_total_display_regions.erase(dri);
...
}
}
@@ -1644,8 +1643,8 @@ do_determine_display_regions(GraphicsOutput::CData *cdata) {
cdata->_active_display_regions.clear();
cdata->_active_display_regions.reserve(_total_display_regions.size());
- TotalDisplayRegions::const_iterator dri;
- for (dri = _total_display_regions.begin();
- dri != _total_display_regions.end();
- ++dri) {
- DisplayRegion *display_region = (*dri);
+ for (auto &[raw_ptr, pt_ref] : _total_display_regions) {
+ DisplayRegion *display_region = raw_ptr;
if (display_region->is_active()) {
cdata->_active_display_regions.push_back(display_region);