void FGLRenderer::DrawScene(int drawmode)
{
static int recursion=0;
if (camera != nullptr)
{
ActorRenderFlags savedflags = camera->renderflags;
if (drawmode != DM_PORTAL && !r_showviewer)
{
camera->renderflags |= RF_INVISIBLE;
}
CreateScene();
camera->renderflags = savedflags;
}
else
{
CreateScene();
}
GLRenderer->mClipPortal = NULL; // this must be reset before any portal recursion takes place.
RenderScene(recursion);
// Handle all portals after rendering the opaque objects but before
// doing all translucent stuff
recursion++;
GLPortal::EndFrame();
recursion--;
RenderTranslucent();
}
void RenderPolyScene::Render(PolyPortalViewpoint *viewpoint)
{
PolyPortalViewpoint *oldviewpoint = CurrentViewpoint;
CurrentViewpoint = viewpoint;
PolyRenderThread *thread = PolyRenderer::Instance()->Threads.MainThread();
CurrentViewpoint->ObjectsStart = thread->TranslucentObjects.size();
CurrentViewpoint->SectorPortalsStart = thread->SectorPortals.size();
CurrentViewpoint->LinePortalsStart = thread->LinePortals.size();
PolyCullCycles.Clock();
Cull.CullScene(CurrentViewpoint->PortalEnterSector, CurrentViewpoint->PortalEnterLine);
PolyCullCycles.Unclock();
RenderSectors();
PolyMaskedCycles.Clock();
const auto &rviewpoint = PolyRenderer::Instance()->Viewpoint;
for (uint32_t sectorIndex : Cull.SeenSectors)
{
sector_t *sector = &PolyRenderer::Instance()->Level->sectors[sectorIndex];
for (AActor *thing = sector->thinglist; thing != nullptr; thing = thing->snext)
{
if (!RenderPolySprite::IsThingCulled(thing))
{
int spritenum = thing->sprite;
bool isPicnumOverride = thing->picnum.isValid();
FSpriteModelFrame *modelframe = isPicnumOverride ? nullptr : FindModelFrame(thing->GetClass(), spritenum, thing->frame, !!(thing->flags & MF_DROPPED));
double distanceSquared = (thing->Pos() - rviewpoint.Pos).LengthSquared();
if (r_modelscene && modelframe && distanceSquared < model_distance_cull)
{
AddModel(thread, thing, distanceSquared, thing->Pos());
}
else
{
DVector2 left, right;
if (!RenderPolySprite::GetLine(thing, left, right))
continue;
AddSprite(thread, thing, distanceSquared, left, right);
}
}
}
}
PolyMaskedCycles.Unclock();
CurrentViewpoint->ObjectsEnd = thread->TranslucentObjects.size();
CurrentViewpoint->SectorPortalsEnd = thread->SectorPortals.size();
CurrentViewpoint->LinePortalsEnd = thread->LinePortals.size();
Skydome.Render(thread, CurrentViewpoint->WorldToView, CurrentViewpoint->WorldToClip);
RenderPortals();
RenderTranslucent();
CurrentViewpoint = oldviewpoint;
}
void FGLRenderer::DrawScene(int drawmode)
{
static int recursion=0;
static int ssao_portals_available = 0;
bool applySSAO = false;
if (drawmode == DM_MAINVIEW)
{
ssao_portals_available = gl_ssao_portals;
applySSAO = true;
}
else if (drawmode == DM_OFFSCREEN)
{
ssao_portals_available = 0;
}
else if (ssao_portals_available > 0)
{
applySSAO = true;
ssao_portals_available--;
}
if (camera != nullptr)
{
ActorRenderFlags savedflags = camera->renderflags;
CreateScene();
camera->renderflags = savedflags;
}
else
{
CreateScene();
}
GLRenderer->mClipPortal = NULL; // this must be reset before any portal recursion takes place.
RenderScene(recursion);
if (applySSAO && gl_RenderState.GetPassType() == GBUFFER_PASS)
{
gl_RenderState.EnableDrawBuffers(1);
AmbientOccludeScene();
mBuffers->BindSceneFB(true);
gl_RenderState.EnableDrawBuffers(gl_RenderState.GetPassDrawBufferCount());
gl_RenderState.Apply();
gl_RenderState.ApplyMatrices();
}
// Handle all portals after rendering the opaque objects but before
// doing all translucent stuff
recursion++;
GLPortal::EndFrame();
recursion--;
RenderTranslucent();
}