OrdinaryMagician/vkdoom_m
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- Improved softpoly sprite clipping

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This commit is contained in:
Magnus Norddahl 2017-06-10 11:16:58 +02:00
commit 3b8570003a
4 changed files with 50 additions and 18 deletions
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54
src/polyrenderer/scene/poly_scene.cpp
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@ -30,7 +30,6 @@
#include "polyrenderer/poly_renderer.h"
#include "polyrenderer/scene/poly_light.h"
CVAR(Bool, r_debug_cull, 0, 0)
EXTERN_CVAR(Int, r_portal_recursions)
/////////////////////////////////////////////////////////////////////////////
@ -92,19 +91,52 @@ void RenderPolyScene::ClearBuffers()
void RenderPolyScene::RenderSectors()
{
if (r_debug_cull)
int count = (int)Cull.PvsSectors.size();
auto subsectors = Cull.PvsSectors.data();
int nextCeilingZChange = 0;
int nextFloorZChange = 0;
uint32_t ceilingSubsectorDepth = 0;
uint32_t floorSubsectorDepth = 0;
for (int i = 0; i < count; i++)
{
for (auto it = Cull.PvsSectors.rbegin(); it != Cull.PvsSectors.rend(); ++it)
RenderSubsector(*it);
}
else
{
for (auto it = Cull.PvsSectors.begin(); it != Cull.PvsSectors.end(); ++it)
RenderSubsector(*it);
// The software renderer only updates the clipping if the sector height changes.
// Find the subsector depths for when that happens.
if (i == nextCeilingZChange)
{
double z = subsectors[i]->sector->ceilingplane.Zat0();
nextCeilingZChange++;
while (nextCeilingZChange < count)
{
double nextZ = subsectors[nextCeilingZChange]->sector->ceilingplane.Zat0();
if (nextZ > z)
break;
z = nextZ;
nextCeilingZChange++;
}
ceilingSubsectorDepth = NextSubsectorDepth + nextCeilingZChange - i - 1;
}
if (i == nextFloorZChange)
{
double z = subsectors[i]->sector->floorplane.Zat0();
nextFloorZChange++;
while (nextFloorZChange < count)
{
double nextZ = subsectors[nextFloorZChange]->sector->floorplane.Zat0();
if (nextZ < z)
break;
z = nextZ;
nextFloorZChange++;
}
floorSubsectorDepth = NextSubsectorDepth + nextFloorZChange - i - 1;
}
RenderSubsector(subsectors[i], ceilingSubsectorDepth, floorSubsectorDepth);
}
}
void RenderPolyScene::RenderSubsector(subsector_t *sub)
void RenderPolyScene::RenderSubsector(subsector_t *sub, uint32_t ceilingSubsectorDepth, uint32_t floorSubsectorDepth)
{
sector_t *frontsector = sub->sector;
frontsector->MoreFlags |= SECF_DRAWN;
@ -147,7 +179,7 @@ void RenderPolyScene::RenderSubsector(subsector_t *sub)
if (sub->sector->CenterFloor() != sub->sector->CenterCeiling())
{
RenderPolyPlane::RenderPlanes(WorldToClip, PortalPlane, Cull, sub, subsectorDepth, StencilValue, Cull.MaxCeilingHeight, Cull.MinFloorHeight, SectorPortals);
RenderPolyPlane::RenderPlanes(WorldToClip, PortalPlane, Cull, sub, ceilingSubsectorDepth, floorSubsectorDepth, StencilValue, Cull.MaxCeilingHeight, Cull.MinFloorHeight, SectorPortals);
}
if (mainBSP)