OrdinaryMagician/vkdoom_m
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- added map option to disable shadowmaps.

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Prompted by 'Hurt' which has > 4000 lights and runs into both performance issues and unpredictable light selection for the limited amount of shadowmap slots.
This commit is contained in:
Christoph Oelckers 2021-07-13 11:54:25 +02:00
commit 0cffeef2c6
5 changed files with 15 additions and 7 deletions
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3
src/rendering/hwrenderer/hw_dynlightdata.cpp
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@ -107,10 +107,9 @@ void AddLightToList(FDynLightData &dld, int group, FDynamicLight * light, bool f
}
float shadowIndex;
if (gl_light_shadowmap)
if (gl_light_shadowmap) // note: with gl_light_shadowmap switched off, we cannot rely on properly set indices anymore.
{
shadowIndex = light->mShadowmapIndex + 1.0f;
}
else shadowIndex = 1025.f;
// Store attenuate flag in the sign bit of the float.

8
src/rendering/hwrenderer/hw_entrypoint.cpp
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@ -107,7 +107,7 @@ sector_t* RenderViewpoint(FRenderViewpoint& mainvp, AActor* camera, IntRect* bou
R_SetupFrame(mainvp, r_viewwindow, camera);
if (mainview && toscreen)
if (mainview && toscreen && !(camera->Level->flags3 & LEVEL3_NOSHADOWMAP) && gl_light_shadowmap && (screen->hwcaps & RFL_SHADER_STORAGE_BUFFER))
{
screen->SetAABBTree(camera->Level->aabbTree);
screen->mShadowMap.SetCollectLights([=] {
@ -115,6 +115,12 @@ sector_t* RenderViewpoint(FRenderViewpoint& mainvp, AActor* camera, IntRect* bou
});
screen->UpdateShadowMap();
}
else
{
// null all references to the level if we do not need a shadowmap. This will shortcut all internal calculations without further checks.
screen->SetAABBTree(nullptr);
screen->mShadowMap.SetCollectLights(nullptr);
}
// Update the attenuation flag of all light defaults for each viewpoint.
// This function will only do something if the setting differs.