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- added map option to disable shadowmaps.
Prompted by 'Hurt' which has > 4000 lights and runs into both performance issues and unpredictable light selection for the limited amount of shadowmap slots.
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cb8ae0b560
commit
0cffeef2c6
5 changed files with 15 additions and 7 deletions
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@ -85,7 +85,7 @@ CUSTOM_CVAR(Int, gl_shadowmap_quality, 512, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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bool IShadowMap::ShadowTest(const DVector3 &lpos, const DVector3 &pos)
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{
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if (mAABBTree && gl_light_shadowmap)
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if (mAABBTree)
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return mAABBTree->RayTest(lpos, pos) >= 1.0f;
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else
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return true;
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@ -98,7 +98,7 @@ bool IShadowMap::PerformUpdate()
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LightsProcessed = 0;
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LightsShadowmapped = 0;
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if (gl_light_shadowmap && (screen->hwcaps & RFL_SHADER_STORAGE_BUFFER) && CollectLights != nullptr)
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if (CollectLights != nullptr)
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{
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UpdateCycles.Clock();
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UploadAABBTree();
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@ -1658,6 +1658,8 @@ MapFlagHandlers[] =
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{ "nocoloredspritelighting", MITYPE_SETFLAG3, LEVEL3_NOCOLOREDSPRITELIGHTING, 0 },
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{ "forceworldpanning", MITYPE_SETFLAG3, LEVEL3_FORCEWORLDPANNING, 0 },
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{ "propermonsterfallingdamage", MITYPE_SETFLAG3, LEVEL3_PROPERMONSTERFALLINGDAMAGE, 0 },
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{ "disableshadowmap", MITYPE_SETFLAG3, LEVEL3_NOSHADOWMAP, 0 },
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{ "enableshadowmap", MITYPE_CLRFLAG3, LEVEL3_NOSHADOWMAP, 0 },
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{ "enableskyboxao", MITYPE_SETFLAG3, LEVEL3_SKYBOXAO, 0 },
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{ "disableskyboxao", MITYPE_CLRFLAG3, LEVEL3_SKYBOXAO, 0 },
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{ "nobotnodes", MITYPE_IGNORE, 0, 0 }, // Skulltag option: nobotnodes
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@ -257,6 +257,7 @@ enum ELevelFlags : unsigned int
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LEVEL3_E3M8SPECIAL = 0x00002000,
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LEVEL3_E4M8SPECIAL = 0x00004000,
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LEVEL3_E4M6SPECIAL = 0x00008000,
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LEVEL3_NOSHADOWMAP = 0x00010000, // disables shadowmaps for a given level.
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};
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@ -107,10 +107,9 @@ void AddLightToList(FDynLightData &dld, int group, FDynamicLight * light, bool f
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}
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float shadowIndex;
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if (gl_light_shadowmap)
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if (gl_light_shadowmap) // note: with gl_light_shadowmap switched off, we cannot rely on properly set indices anymore.
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{
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shadowIndex = light->mShadowmapIndex + 1.0f;
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}
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else shadowIndex = 1025.f;
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// Store attenuate flag in the sign bit of the float.
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@ -107,7 +107,7 @@ sector_t* RenderViewpoint(FRenderViewpoint& mainvp, AActor* camera, IntRect* bou
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R_SetupFrame(mainvp, r_viewwindow, camera);
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if (mainview && toscreen)
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if (mainview && toscreen && !(camera->Level->flags3 & LEVEL3_NOSHADOWMAP) && gl_light_shadowmap && (screen->hwcaps & RFL_SHADER_STORAGE_BUFFER))
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{
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screen->SetAABBTree(camera->Level->aabbTree);
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screen->mShadowMap.SetCollectLights([=] {
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@ -115,6 +115,12 @@ sector_t* RenderViewpoint(FRenderViewpoint& mainvp, AActor* camera, IntRect* bou
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});
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screen->UpdateShadowMap();
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}
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else
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{
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// null all references to the level if we do not need a shadowmap. This will shortcut all internal calculations without further checks.
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screen->SetAABBTree(nullptr);
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screen->mShadowMap.SetCollectLights(nullptr);
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}
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// Update the attenuation flag of all light defaults for each viewpoint.
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// This function will only do something if the setting differs.
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