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- optimized the wall drawer a bit to avoid repeated calls to the render API's deoth bias function.

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The setters in FRenderState should check if the value actually changes and the wall drawer should only call it for non-translucent wall sprites.
This commit is contained in:
Christoph Oelckers 2021-05-21 19:07:22 +02:00
parent 4bb57cfab5
commit 264d42179e
2 changed files with 19 additions and 5 deletions
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14
source/common/rendering/hwrenderer/data/hw_renderstate.h
View file

@ -555,18 +555,28 @@ public:
mRenderStyle = rs;
}
auto GetDepthBias()
{
return mBias;
}
void SetDepthBias(float a, float b)
{
mBias.mChanged = mBias.mFactor != a || mBias.mUnits != b;
mBias.mFactor = a;
mBias.mUnits = b;
mBias.mChanged = true;
}
void SetDepthBias(FDepthBiasState& bias)
{
SetDepthBias(bias.mFactor, bias.mUnits);
}
void ClearDepthBias()
{
mBias.mChanged = mBias.mFactor != 0 || mBias.mUnits != 0;
mBias.mFactor = 0;
mBias.mUnits = 0;
mBias.mChanged = true;
}
private:

10
source/core/rendering/scene/hw_walls.cpp
View file

@ -260,16 +260,20 @@ void HWWall::RenderTexturedWall(HWDrawInfo *di, FRenderState &state, int rflags)
float xOffset = 1.f / texture->GetDisplayWidth();
state.SetNpotEmulation(float(h2) / h, xOffset);
}
RenderWall(di, state, rflags);
}
else if (!(rflags & RWF_TRANS))
{
auto oldbias = state.GetDepthBias();
if (walldist >= 0) state.SetDepthBias(-1, glseg.x1 == glseg.x2 || glseg.y1 == glseg.y2? -128 : -192);
else state.ClearDepthBias();
RenderWall(di, state, rflags);
state.SetDepthBias(oldbias);
}
else
RenderWall(di, state, rflags);
RenderWall(di, state, rflags);
if (!(rflags && RWF_TRANS)) state.ClearDepthBias();
state.SetNpotEmulation(0.f, 0.f);
state.SetObjectColor(0xffffffff);
/* none of these functions is in use.