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- ensure that shadowmap indices only get set when shadowmaps are enabled.

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Having valid indices set when shadowmaps are off would cause the shader to run the full checks for all lights.
This commit is contained in:
Christoph Oelckers 2021-08-11 10:06:22 +02:00
parent 436ec28e94
commit f662c629e3
2 changed files with 7 additions and 1 deletions
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5
src/common/rendering/hwrenderer/data/hw_shadowmap.h
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@ -57,6 +57,11 @@ public:
mLights[index + 3] = r;
}
bool Enabled() const
{
return mAABBTree != nullptr;
}
protected:
// Upload the AABB-tree to the GPU
void UploadAABBTree();

3
src/rendering/hwrenderer/hw_dynlightdata.cpp
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@ -29,6 +29,7 @@
#include "a_dynlight.h"
#include "hw_dynlightdata.h"
#include"hw_cvars.h"
#include "v_video.h"
#include "hwrenderer/scene/hw_drawstructs.h"
// If we want to share the array to avoid constant allocations it needs to be thread local unless it'd be littered with expensive synchronization.
@ -107,7 +108,7 @@ void AddLightToList(FDynLightData &dld, int group, FDynamicLight * light, bool f
}
float shadowIndex;
if (gl_light_shadowmap) // note: with gl_light_shadowmap switched off, we cannot rely on properly set indices anymore.
if (screen->mShadowMap.Enabled()) // note: with shadowmaps switched off, we cannot rely on properly set indices anymore.
{
shadowIndex = light->mShadowmapIndex + 1.0f;
}