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- fixed stencil cap generation for old hardware and changed it so that it only gets done once for each stencil setup, not for each stencil pass.

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This commit is contained in:
Christoph Oelckers 2018-11-17 15:34:23 +01:00
parent bb4007f16a
commit 160f17a907
2 changed files with 33 additions and 16 deletions
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48
src/hwrenderer/scene/hw_portal.cpp
View file

@ -185,6 +185,33 @@ void HWPortal::DrawPortalStencil(FRenderState &state, int pass)
mPrimIndices[i * 2] = lines[i].vertindex;
mPrimIndices[i * 2 + 1] = lines[i].vertcount;
}
if (NeedCap() && lines.Size() > 1 && planesused != 0)
{
screen->mVertexData->Map();
if (planesused & (1 << sector_t::floor))
{
auto verts = screen->mVertexData->AllocVertices(4);
auto ptr = verts.first;
ptr[0].Set((float)boundingBox.left, -32767.f, (float)boundingBox.top, 0, 0);
ptr[1].Set((float)boundingBox.right, -32767.f, (float)boundingBox.top, 0, 0);
ptr[2].Set((float)boundingBox.left, -32767.f, (float)boundingBox.bottom, 0, 0);
ptr[3].Set((float)boundingBox.right, -32767.f, (float)boundingBox.bottom, 0, 0);
mBottomCap = verts.second;
}
if (planesused & (1 << sector_t::ceiling))
{
auto verts = screen->mVertexData->AllocVertices(4);
auto ptr = verts.first;
ptr[0].Set((float)boundingBox.left, 32767.f, (float)boundingBox.top, 0, 0);
ptr[1].Set((float)boundingBox.right, 32767.f, (float)boundingBox.top, 0, 0);
ptr[2].Set((float)boundingBox.left, 32767.f, (float)boundingBox.bottom, 0, 0);
ptr[3].Set((float)boundingBox.right, 32767.f, (float)boundingBox.bottom, 0, 0);
mTopCap = verts.second;
}
screen->mVertexData->Unmap();
}
}
for (unsigned int i = 0; i < mPrimIndices.Size(); i += 2)
@ -196,26 +223,15 @@ void HWPortal::DrawPortalStencil(FRenderState &state, int pass)
// The cap's depth handling needs special treatment so that it won't block further portal caps.
if (pass == STP_DepthRestore) state.SetDepthRange(1, 1);
if (planesused & (1 << sector_t::floor))
if (mBottomCap != ~0u)
{
auto verts = screen->mVertexData->AllocVertices(4);
auto ptr = verts.first;
ptr[0].Set((float)boundingBox.left, -32767.f, (float)boundingBox.top, 0, 0);
ptr[1].Set((float)boundingBox.right, -32767.f, (float)boundingBox.top, 0, 0);
ptr[2].Set((float)boundingBox.left, -32767.f, (float)boundingBox.bottom, 0, 0);
ptr[3].Set((float)boundingBox.right, -32767.f, (float)boundingBox.bottom, 0, 0);
state.Draw(DT_TriangleStrip, verts.second, 4, false);
state.Draw(DT_TriangleStrip, mBottomCap, 4, false);
}
if (planesused & (1 << sector_t::ceiling))
if (mTopCap != ~0u)
{
auto verts = screen->mVertexData->AllocVertices(4);
auto ptr = verts.first;
ptr[0].Set((float)boundingBox.left, 32767.f, (float)boundingBox.top, 0, 0);
ptr[1].Set((float)boundingBox.right, 32767.f, (float)boundingBox.top, 0, 0);
ptr[2].Set((float)boundingBox.left, 32767.f, (float)boundingBox.bottom, 0, 0);
ptr[3].Set((float)boundingBox.right, 32767.f, (float)boundingBox.bottom, 0, 0);
state.Draw(DT_TriangleStrip, verts.second, 4, false);
state.Draw(DT_TriangleStrip, mTopCap, 4, false);
}
if (pass == STP_DepthRestore) state.SetDepthRange(0, 1);
}
}

1
src/hwrenderer/scene/hw_portal.h
View file

@ -55,6 +55,7 @@ class HWPortal
ActorRenderFlags savedvisibility;
TArray<unsigned int> mPrimIndices;
unsigned int mTopCap = ~0u, mBottomCap = ~0u;
void DrawPortalStencil(FRenderState &state, int pass);