diff --git a/neo/d3xp/PlayerView.cpp b/neo/d3xp/PlayerView.cpp
index cda1d294..7d781662 100644
--- a/neo/d3xp/PlayerView.cpp
+++ b/neo/d3xp/PlayerView.cpp
@@ -1947,6 +1947,9 @@ void FullscreenFXManager::Process( const renderView_t* view )
 		return;
 	}
 
+// RB: skip for now so the game is playable. These old effects really suck with modern APIs
+#if !defined( USE_NVRHI )
+
 	// do the process
 	for( int i = 0; i < fx.Num(); i++ )
 	{
@@ -1988,6 +1991,7 @@ void FullscreenFXManager::Process( const renderView_t* view )
 			Blendback( pfx->GetFadeAlpha() );
 		}
 	}
+#endif
 }
 
 
diff --git a/neo/renderer/GuiModel.cpp b/neo/renderer/GuiModel.cpp
index f4e7896a..ba31ea74 100644
--- a/neo/renderer/GuiModel.cpp
+++ b/neo/renderer/GuiModel.cpp
@@ -89,8 +89,8 @@ idGuiModel::BeginFrame
 */
 void idGuiModel::BeginFrame( nvrhi::ICommandList* commandList )
 {
-	vertexBlock = vertexCache.AllocVertex( NULL, MAX_VERTS, sizeof( idDrawVert ), commandList );
-	indexBlock = vertexCache.AllocIndex( NULL, MAX_INDEXES, sizeof( idTriList ), commandList );
+	vertexBlock = vertexCache.AllocVertex( NULL, MAX_VERTS );
+	indexBlock = vertexCache.AllocIndex( NULL, MAX_INDEXES );
 	vertexPointer = ( idDrawVert* )vertexCache.MappedVertexBuffer( vertexBlock );
 	indexPointer = ( triIndex_t* )vertexCache.MappedIndexBuffer( indexBlock );
 	numVerts = 0;
diff --git a/neo/renderer/ModelDecal.cpp b/neo/renderer/ModelDecal.cpp
index 21631198..39e8eeb7 100644
--- a/neo/renderer/ModelDecal.cpp
+++ b/neo/renderer/ModelDecal.cpp
@@ -812,8 +812,8 @@ drawSurf_t* idRenderModelDecal::CreateDecalDrawSurf( const viewEntity_t* space,
 	newTri->numVerts = maxVerts;
 	newTri->numIndexes = maxIndexes;
 
-	newTri->ambientCache = vertexCache.AllocVertex( NULL, maxVerts, sizeof( idDrawVert ), nullptr );
-	newTri->indexCache = vertexCache.AllocIndex( NULL, maxIndexes, sizeof( triIndex_t ), nullptr );
+	newTri->ambientCache = vertexCache.AllocVertex( NULL, maxVerts );
+	newTri->indexCache = vertexCache.AllocIndex( NULL, maxIndexes );
 
 	idDrawVert* mappedVerts = ( idDrawVert* )vertexCache.MappedVertexBuffer( newTri->ambientCache );
 	triIndex_t* mappedIndexes = ( triIndex_t* )vertexCache.MappedIndexBuffer( newTri->indexCache );
diff --git a/neo/renderer/ModelOverlay.cpp b/neo/renderer/ModelOverlay.cpp
index a8610762..3439f63e 100644
--- a/neo/renderer/ModelOverlay.cpp
+++ b/neo/renderer/ModelOverlay.cpp
@@ -706,8 +706,8 @@ drawSurf_t* idRenderModelOverlay::CreateOverlayDrawSurf( const viewEntity_t* spa
 	srfTriangles_t* newTri = ( srfTriangles_t* )R_ClearedFrameAlloc( sizeof( *newTri ), FRAME_ALLOC_SURFACE_TRIANGLES );
 	newTri->staticModelWithJoints = ( staticModel->jointsInverted != NULL ) ? const_cast< idRenderModelStatic* >( staticModel ) : NULL;	// allow GPU skinning
 
-	newTri->ambientCache = vertexCache.AllocVertex( NULL, maxVerts, sizeof( idDrawVert ), nullptr );
-	newTri->indexCache = vertexCache.AllocIndex( NULL, maxIndexes, sizeof( idDrawVert ), nullptr );
+	newTri->ambientCache = vertexCache.AllocVertex( NULL, maxVerts );
+	newTri->indexCache = vertexCache.AllocIndex( NULL, maxIndexes );
 
 	idDrawVert* mappedVerts = ( idDrawVert* )vertexCache.MappedVertexBuffer( newTri->ambientCache );
 	triIndex_t* mappedIndexes = ( triIndex_t* )vertexCache.MappedIndexBuffer( newTri->indexCache );
diff --git a/neo/renderer/NVRHI/RenderDebug_NVRHI.cpp b/neo/renderer/NVRHI/RenderDebug_NVRHI.cpp
index dc33dd5e..83ab5886 100644
--- a/neo/renderer/NVRHI/RenderDebug_NVRHI.cpp
+++ b/neo/renderer/NVRHI/RenderDebug_NVRHI.cpp
@@ -2001,7 +2001,7 @@ void idRenderBackend::DBG_TestImage()
 
 	float scale[16] = { 0 };
 	scale[0] = w; // scale
-	scale[5] = -h; // scale
+	scale[5] = h; // scale
 	scale[12] = halfScreenWidth - ( halfScreenWidth * w ); // translate
 	scale[13] = halfScreenHeight - ( halfScreenHeight * h ); // translate
 	scale[10] = 1.0f;
diff --git a/neo/renderer/RenderBackend.cpp b/neo/renderer/RenderBackend.cpp
index e085451c..f888027a 100644
--- a/neo/renderer/RenderBackend.cpp
+++ b/neo/renderer/RenderBackend.cpp
@@ -6234,12 +6234,17 @@ void idRenderBackend::DrawViewInternal( const viewDef_t* _viewDef, const int ste
 
 		// resolve the screen
 #if defined( USE_NVRHI )
+
+		renderLog.OpenBlock( "Blit to _currentRender" );
+
 		BlitParameters blitParms;
 		nvrhi::IFramebuffer* currentFB = ( nvrhi::IFramebuffer* )currentFrameBuffer->GetApiObject();
 		blitParms.sourceTexture = currentFB->getDesc().colorAttachments[0].texture;
-		blitParms.targetFramebuffer = globalFramebuffers.postProcFBO->GetApiObject();
-		blitParms.targetViewport = nvrhi::Viewport( renderSystem->GetWidth(), renderSystem->GetHeight() );;
+		blitParms.targetFramebuffer = globalFramebuffers.postProcFBO->GetApiObject(); // _currentRender image
+		blitParms.targetViewport = nvrhi::Viewport( renderSystem->GetWidth(), renderSystem->GetHeight() );
 		commonPasses.BlitTexture( commandList, blitParms, &bindingCache );
+
+		renderLog.CloseBlock();
 #else
 		globalImages->currentRenderImage->CopyFramebuffer( x, y, w, h );
 #endif