OrdinaryMagician/vkdoom_m
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- added Build's NPOT emulation to the backend.

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For GZDoom this is completely disabled, of course, because the Doom engine does not need it, but in order to have the same backend code in both engines it needs to be present.
This commit is contained in:
Christoph Oelckers 2020-06-08 08:01:56 +02:00
commit 9e51a2f63c
7 changed files with 164 additions and 98 deletions
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22
src/rendering/hwrenderer/scene/hw_walls.cpp
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@ -175,6 +175,10 @@ static const uint8_t renderwalltotier[] =
side_t::mid,
};
#ifdef NPOT_EMULATION
CVAR(Bool, hw_npottest, false, 0)
#endif
void HWWall::RenderTexturedWall(HWDrawInfo *di, FRenderState &state, int rflags)
{
int tmode = state.GetTextureMode();
@ -187,6 +191,23 @@ void HWWall::RenderTexturedWall(HWDrawInfo *di, FRenderState &state, int rflags)
SetGlowPlanes(state, frontsector->ceilingplane, frontsector->floorplane);
}
state.SetMaterial(texture, UF_Texture, 0, flags & 3, 0, -1);
#ifdef NPOT_EMULATION
// Test code, could be reactivated as a compatibility option in the unlikely event that some old vanilla map eve needs it.
if (hw_npottest)
{
int32_t size = xs_CRoundToInt(texture->GetDisplayHeight());
int32_t size2;
for (size2 = 1; size2 < size; size2 += size2) {}
if (size == size2)
state.SetNpotEmulation(0.f, 0.f);
else
{
float xOffset = 1.f / texture->GetDisplayWidth();
state.SetNpotEmulation((1.f * size2) / size, xOffset);
}
}
#endif
if (type == RENDERWALL_M2SNF)
{
@ -274,6 +295,7 @@ void HWWall::RenderTexturedWall(HWDrawInfo *di, FRenderState &state, int rflags)
state.EnableSplit(false);
}
state.SetNpotEmulation(0.f, 0.f);
state.SetObjectColor(0xffffffff);
state.SetObjectColor2(0);
state.SetAddColor(0);