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Fix main-thread hang from terrain finalization; two-pass M2 rendering; tile streaming improvements

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Hang/GPU device lost fix:
- M2_INSTANCES and WMO_INSTANCES finalization phases now create instances
  incrementally (32 per step / 4 per step) instead of all at once, eliminating
  the >1s main-thread stalls that caused GPU fence timeouts and device loss

M2 two-pass transparent rendering:
- Opaque/alpha-test batches render in pass 1, transparent/additive in pass 2
  (back-to-front sorted) to fix wing transparency showing terrain instead of
  trees — adds hasTransparentBatches flag to skip models with no transparency

Tile streaming improvements:
- Sort new load queue entries nearest-first so critical tiles load before
  distant ones during fast taxi flight
- Increase taxi load radius 6→8 tiles, unload 9→12 for better coverage

Water refraction gated on FSR:
- Disable water refraction when FSR is not active (bugged without upscaling)
- Auto-disable refraction if FSR is turned off while refraction was on
This commit is contained in:
Kelsi 2026-03-09 20:58:49 -07:00
parent a49c013c89
commit e0d47040d3
6 changed files with 234 additions and 38 deletions
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16
src/ui/game_screen.cpp
View file

@ -7184,9 +7184,19 @@ void GameScreen::renderSettingsWindow() {
saveSettings();
}
}
if (ImGui::Checkbox("Water Refraction", &pendingWaterRefraction)) {
if (renderer) renderer->setWaterRefractionEnabled(pendingWaterRefraction);
saveSettings();
{
bool fsrActive = renderer && (renderer->isFSREnabled() || renderer->isFSR2Enabled());
if (!fsrActive && pendingWaterRefraction) {
// FSR was disabled while refraction was on — auto-disable
pendingWaterRefraction = false;
if (renderer) renderer->setWaterRefractionEnabled(false);
}
if (!fsrActive) ImGui::BeginDisabled();
if (ImGui::Checkbox("Water Refraction (requires FSR)", &pendingWaterRefraction)) {
if (renderer) renderer->setWaterRefractionEnabled(pendingWaterRefraction);
saveSettings();
}
if (!fsrActive) ImGui::EndDisabled();
}
{
const char* aaLabels[] = { "Off", "2x MSAA", "4x MSAA", "8x MSAA" };