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Don't render motion vectors if standing still

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This commit is contained in:
Robert Beckebans 2022-04-20 12:05:47 +02:00
parent 39227f1559
commit 0c866655f8
1 changed files with 12 additions and 5 deletions
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17
neo/renderer/RenderBackend.cpp
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@ -5528,11 +5528,18 @@ void idRenderBackend::DrawMotionVectors()
int mvpIndex = ( viewDef->renderView.viewEyeBuffer == 1 ) ? 1 : 0;
// derive the matrix to go from current pixels to previous frame pixels
idRenderMatrix inverseMVP;
idRenderMatrix::Inverse( viewDef->worldSpace.unjitteredMVP, inverseMVP );
bool cameraMoved = false;
idRenderMatrix motionMatrix;
idRenderMatrix::Multiply( prevMVP[mvpIndex], inverseMVP, motionMatrix );
if( memcmp( &viewDef->worldSpace.unjitteredMVP[0][0], &prevMVP[mvpIndex][0][0], sizeof( idRenderMatrix ) ) != 0 )
{
idRenderMatrix inverseMVP;
idRenderMatrix::Inverse( viewDef->worldSpace.unjitteredMVP, inverseMVP );
idRenderMatrix::Multiply( prevMVP[mvpIndex], inverseMVP, motionMatrix );
cameraMoved = true;
}
prevMVP[mvpIndex] = viewDef->worldSpace.unjitteredMVP;
@ -5550,7 +5557,7 @@ void idRenderBackend::DrawMotionVectors()
windowCoordParm[3] = h;
SetFragmentParm( RENDERPARM_WINDOWCOORD, windowCoordParm ); // rpWindowCoord
if( r_taaMotionVectors.GetBool() && prevViewsValid )
if( r_taaMotionVectors.GetBool() && prevViewsValid && cameraMoved )
{
RB_SetMVP( motionMatrix );