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Fixed some light flickering when MOC is enabled

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This commit is contained in:
Robert Beckebans 2024-10-11 16:12:27 +02:00
parent b05d296fb6
commit 1056b50103
1 changed files with 18 additions and 2 deletions
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20
neo/renderer/tr_frontend_addlights.cpp
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@ -277,7 +277,6 @@ static void R_AddSingleLight( viewLight_t* vLight )
// RB: test surface visibility by drawing the triangles of the bounds
#if defined(USE_INTRINSICS_SSE)
// FIXME spot light projections are too short
if( r_useMaskedOcclusionCulling.GetBool() && !viewInsideLight && !viewDef->isMirror && !viewDef->isSubview )
{
idVec4 triVerts[8];
@ -287,7 +286,24 @@ static void R_AddSingleLight( viewLight_t* vLight )
tr.pc.c_mocVerts += 8;
idRenderMatrix invProjectMVPMatrix;
idRenderMatrix::Multiply( viewDef->worldSpace.unjitteredMVP, light->inverseBaseLightProject, invProjectMVPMatrix );
// draw light volume 1 percentage bigger to avoid flickering
// right before entering the volume with the camera
const float mocLightScale = 0.99f;
idRenderMatrix scaledInverseBaseLightProject = light->inverseBaseLightProject;
scaledInverseBaseLightProject[0][0] *= mocLightScale;
scaledInverseBaseLightProject[0][1] *= mocLightScale;
scaledInverseBaseLightProject[0][2] *= mocLightScale;
scaledInverseBaseLightProject[1][0] *= mocLightScale;
scaledInverseBaseLightProject[1][1] *= mocLightScale;
scaledInverseBaseLightProject[1][2] *= mocLightScale;
scaledInverseBaseLightProject[2][0] *= mocLightScale;
scaledInverseBaseLightProject[2][1] *= mocLightScale;
scaledInverseBaseLightProject[2][2] *= mocLightScale;
idRenderMatrix::Multiply( viewDef->worldSpace.unjitteredMVP, scaledInverseBaseLightProject, invProjectMVPMatrix );
tr.pc.c_mocTests += 1;