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- restricted the portal rendering shortcut only to real skies in the primary layer.

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This won't work properly with sector portals that contain other portals because those setups require a proper stencil to work as expected.
This commit is contained in:
Christoph Oelckers 2021-05-03 13:58:46 +02:00
parent 66e220ff9c
commit b193e582ce
2 changed files with 7 additions and 36 deletions
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35
src/rendering/hwrenderer/scene/hw_portal.cpp
View file

@ -127,42 +127,13 @@ bool FPortalSceneState::RenderFirstSkyPortal(int recursion, HWDrawInfo *outer_di
HWPortal * best = nullptr;
unsigned bestindex = 0;
// Find the one with the highest amount of lines.
// Normally this is also the one that saves the largest amount
// of time by drawing it before the scene itself.
auto &portals = outer_di->Portals;
for (int i = portals.Size() - 1; i >= 0; --i)
{
p = portals[i];
if (p->lines.Size() > 0 && p->IsSky())
{
// Cannot clear the depth buffer inside a portal recursion
if (recursion && p->NeedDepthBuffer()) continue;
if (recursion > 0 || outer_di->Portals.Size() != 1 || !outer_di->Portals[0]->IsSky()) return false;
if (!best || p->lines.Size() > best->lines.Size())
{
best = p;
bestindex = i;
}
// If the portal area contains the current camera viewpoint, let's always use it because it's likely to give the largest area.
if (p->boundingBox.contains(outer_di->Viewpoint.Pos))
{
best = p;
bestindex = i;
break;
}
}
}
if (best)
{
portals.Delete(bestindex);
best = outer_di->Portals[0];
outer_di->Portals.Clear();
RenderPortal(best, state, false, outer_di);
delete best;
return true;
}
return false;
}

2
src/rendering/hwrenderer/scene/hw_portal.h
View file

@ -279,7 +279,7 @@ protected:
bool Setup(HWDrawInfo *di, FRenderState &rstate, Clipper *clipper) override;
void Shutdown(HWDrawInfo *di, FRenderState &rstate) override;
virtual void * GetSource() const { return origin; }
virtual bool IsSky() { return true; } // although this isn't a real sky it can be handled as one.
virtual bool IsSky() { return false; }
virtual const char *GetName();
FSectorPortalGroup *origin;