OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
1
Fork 0
Code Activity

- added some checks to exclude dynamic lights from being subjected to shadowmapping if they do not touch any one-sided lines from the back side. This condition is a requirement for a 1D shadowmap to even have an effect.

Browse source
This commit is contained in:
Christoph Oelckers 2017-03-20 00:34:19 +01:00
commit 1031481167
4 changed files with 50 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

40
src/gl/dynlights/gl_shadowmap.cpp
View file

@ -116,35 +116,43 @@ bool FShadowMap::IsEnabled() const
int FShadowMap::ShadowMapIndex(ADynamicLight *light)
{
if (IsEnabled())
return mLightToShadowmap[light];
else
return 1024;
{
auto val = mLightToShadowmap.CheckKey(light);
if (val != nullptr) return *val;
}
return 1024;
}
void FShadowMap::UploadLights()
{
mLights.Clear();
if (mLights.Size() != 1024 * 4) mLights.Resize(1024 * 4);
int lightindex = 0;
mLightToShadowmap.Clear(mLightToShadowmap.CountUsed() * 2); // To do: allow clearing a TMap while building up a reserve
// Todo: this should go through the blockmap in a spiral pattern around the player so that closer lights are preferred.
TThinkerIterator<ADynamicLight> it(STAT_DLIGHT);
while (true)
while (auto light = it.Next())
{
ADynamicLight *light = it.Next();
if (!light) break;
if (light->shadowmapped)
{
mLightToShadowmap[light] = lightindex >> 2;
mLightToShadowmap[light] = mLights.Size() / 4;
mLights[lightindex] = light->X();
mLights[lightindex+1] = light->Y();
mLights[lightindex+2] = light->Z();
mLights[lightindex+3] = light->GetRadius();
lightindex += 4;
mLights.Push(light->X());
mLights.Push(light->Y());
mLights.Push(light->Z());
mLights.Push(light->GetRadius());
if (lightindex == 1024*4) // Only 1024 lights for now
break;
}
if (mLights.Size() == 1024) // Only 1024 lights for now
break;
}
while (mLights.Size() < 1024 * 4)
mLights.Push(0.0f);
for (; lightindex < 1024 * 4; lightindex++)
{
mLights[lightindex] = 0;
}
if (mLightList == 0)
glGenBuffers(1, (GLuint*)&mLightList);