diff --git a/src/core/Ropes.cpp b/src/core/Ropes.cpp
index 52427fc3..e390a917 100644
--- a/src/core/Ropes.cpp
+++ b/src/core/Ropes.cpp
@@ -1,5 +1,6 @@
 #include "common.h"
 
+#include "main.h"
 #include "Timer.h"
 #include "ModelIndices.h"
 #include "Streaming.h"
@@ -91,9 +92,11 @@ void
 CRopes::Render(void)
 {
 	int i;
+	PUSH_RENDERGROUP("CRopes::Render");
 	for(i = 0; i < ARRAY_SIZE(aRopes); i++)
 		if(aRopes[i].m_bActive)
 			aRopes[i].Render();
+	POP_RENDERGROUP();
 }
 
 bool
diff --git a/src/core/main.cpp b/src/core/main.cpp
index f6d27bd9..da2017c3 100644
--- a/src/core/main.cpp
+++ b/src/core/main.cpp
@@ -1261,6 +1261,7 @@ if(gbRenderEverythingBarRoads)
 void
 RenderScene_new(void)
 {
+	PUSH_RENDERGROUP("RenderScene_new");
 	CClouds::Render();
 	DoRWRenderHorizon();
 
@@ -1268,6 +1269,7 @@ RenderScene_new(void)
 	DefinedState();
 	// CMattRenderer::ResetRenderStates
 	// moved CRenderer::RenderBoats to before transparent water
+	POP_RENDERGROUP();
 }
 
 // TODO
@@ -1275,6 +1277,7 @@ bool FredIsInFirstPersonCam(void) { return false; }
 void
 RenderEffects_new(void)
 {
+	PUSH_RENDERGROUP("RenderEffects_new");
 	CShadows::RenderStaticShadows();
 	// CRenderer::GenerateEnvironmentMap
 	CShadows::RenderStoredShadows();
@@ -1319,6 +1322,7 @@ if(gbRenderFadingInEntities)
 	CPointLights::RenderFogEffect();
 	CMovingThings::Render();
 	CRenderer::RenderFirstPersonVehicle();
+	POP_RENDERGROUP();
 }
 #endif
 
@@ -1331,6 +1335,7 @@ RenderScene(void)
 		return;
 	}
 #endif
+	PUSH_RENDERGROUP("RenderScene");
 	CClouds::Render();
 	DoRWRenderHorizon();
 	CRenderer::RenderRoads();
@@ -1346,11 +1351,13 @@ RenderScene(void)
 	RwRenderStateSet(rwRENDERSTATECULLMODE, (void*)rwCULLMODECULLNONE);
 	CWeather::RenderRainStreaks();
 	CCoronas::RenderSunReflection();
+	POP_RENDERGROUP();
 }
 
 void
 RenderDebugShit(void)
 {
+	PUSH_RENDERGROUP("RenderDebugShit");
 	CTheScripts::RenderTheScriptDebugLines();
 #ifndef FINAL
 	if(gbShowCollisionLines)
@@ -1359,6 +1366,7 @@ RenderDebugShit(void)
 	CDebug::DrawLines();
 	DefinedState();
 #endif
+	POP_RENDERGROUP();
 }
 
 void
@@ -1370,6 +1378,7 @@ RenderEffects(void)
 		return;
 	}
 #endif
+	PUSH_RENDERGROUP("RenderEffects");
 	CGlass::Render();
 	CWaterCannons::Render();
 	CSpecialFX::Render();
@@ -1386,11 +1395,13 @@ RenderEffects(void)
 	CPointLights::RenderFogEffect();
 	CMovingThings::Render();
 	CRenderer::RenderFirstPersonVehicle();
+	POP_RENDERGROUP();
 }
 
 void
 Render2dStuff(void)
 {
+	PUSH_RENDERGROUP("Render2dStuff");
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
@@ -1462,6 +1473,7 @@ Render2dStuff(void)
 #ifdef DEBUGMENU
 	DebugMenuRender();
 #endif
+	POP_RENDERGROUP();
 }
 
 void
@@ -1469,7 +1481,9 @@ RenderMenus(void)
 {
 	if (FrontEndMenuManager.m_bMenuActive)
 	{
+		PUSH_RENDERGROUP("RenderMenus");
 		FrontEndMenuManager.DrawFrontEnd();
+		POP_RENDERGROUP();
 	}
 #ifndef MASTER
 	else
@@ -1480,6 +1494,7 @@ RenderMenus(void)
 void
 Render2dStuffAfterFade(void)
 {
+	PUSH_RENDERGROUP("Render2dStuffAfterFade");
 #ifndef MASTER
 	DisplayGameDebugText();
 #endif
@@ -1490,6 +1505,7 @@ Render2dStuffAfterFade(void)
 	CHud::DrawAfterFade();
 	CFont::DrawFonts();
 	CCredits::Render();
+	POP_RENDERGROUP();
 }
 
 void
diff --git a/src/core/main.h b/src/core/main.h
index 9f181101..787d4f52 100644
--- a/src/core/main.h
+++ b/src/core/main.h
@@ -1,5 +1,11 @@
 #pragma once
 
+#if defined(RW_OPENGL)
+#define PUSH_RENDERGROUP(str) glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, -1, str)
+#define POP_RENDERGROUP() glPopDebugGroup()
+#else
+#endif
+
 struct GlobalScene
 {
 	RpWorld *world;
diff --git a/src/extras/postfx.cpp b/src/extras/postfx.cpp
index b47deab4..f698bd52 100644
--- a/src/extras/postfx.cpp
+++ b/src/extras/postfx.cpp
@@ -7,6 +7,7 @@
 #error "Need librw for EXTENDED_COLOURFILTER"
 #endif
 
+#include "main.h"
 #include "RwHelper.h"
 #include "Camera.h"
 #include "MBlur.h"
@@ -385,6 +386,8 @@ CPostFX::GetBackBuffer(RwCamera *cam)
 void
 CPostFX::Render(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blur, int32 type, uint32 bluralpha)
 {
+	PUSH_RENDERGROUP("CPostFX::Render");
+
 	if(pFrontBuffer == nil)
 		Open(cam);
 	assert(pFrontBuffer);
@@ -446,6 +449,8 @@ CPostFX::Render(RwCamera *cam, uint32 red, uint32 green, uint32 blue, uint32 blu
 		bJustInitialised = false;
 	}else
 		bJustInitialised = true;
+
+	POP_RENDERGROUP();
 }
 
 int CPostFX::PrevRed[NUMAVERAGE], CPostFX::AvgRed;
diff --git a/src/render/Antennas.cpp b/src/render/Antennas.cpp
index 452069a0..5e30aca2 100644
--- a/src/render/Antennas.cpp
+++ b/src/render/Antennas.cpp
@@ -1,5 +1,6 @@
 #include "common.h"
 
+#include "main.h"
 #include "Antennas.h"
 
 CAntenna CAntennas::aAntennas[NUMANTENNAS];
@@ -70,6 +71,7 @@ CAntennas::Render(void)
 {
 	int i, j;
 
+	PUSH_RENDERGROUP("CAntennas::Render");
 	for(i = 0; i < NUMANTENNAS; i++){
 		if(!aAntennas[i].active)
 			continue;
@@ -101,6 +103,8 @@ CAntennas::Render(void)
 	}
 
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
+
+	POP_RENDERGROUP();
 }
 
 void
diff --git a/src/render/Clouds.cpp b/src/render/Clouds.cpp
index e3a8c86e..9cd32c5f 100644
--- a/src/render/Clouds.cpp
+++ b/src/render/Clouds.cpp
@@ -1,5 +1,6 @@
 #include "common.h"
 
+#include "main.h"
 #include "Sprite.h"
 #include "Sprite2d.h"
 #include "General.h"
@@ -119,6 +120,8 @@ CClouds::Render(void)
 	if(!CGame::CanSeeOutSideFromCurrArea())
 		return;
 
+	PUSH_RENDERGROUP("CClouds::Render");
+
 	CCoronas::SunBlockedByClouds = false;
 
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
@@ -301,6 +304,8 @@ CClouds::Render(void)
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
 	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
+
+	POP_RENDERGROUP();
 }
 
 bool
@@ -313,6 +318,8 @@ void
 CClouds::RenderBackground(int16 topred, int16 topgreen, int16 topblue,
 	int16 botred, int16 botgreen, int16 botblue, int16 alpha)
 {
+	PUSH_RENDERGROUP("CClouds::RenderBackground");
+
 	CVector right = CrossProduct(TheCamera.GetUp(), TheCamera.GetForward());
 	right.Normalise();
 	float c = right.Magnitude2D();
@@ -415,6 +422,8 @@ CClouds::RenderBackground(int16 topred, int16 topgreen, int16 topblue,
 		ms_colourBottom.g = fogg;
 		ms_colourBottom.b = fogb;
 	}
+
+	POP_RENDERGROUP();
 }
 
 void
@@ -423,6 +432,8 @@ CClouds::RenderHorizon(void)
 	if(UseDarkBackground())
 		return;
 
+	PUSH_RENDERGROUP("CClouds::RenderHorizon");
+
 	ms_colourBottom.a = 230;
 	ms_colourTop.a = 80;
 
@@ -457,4 +468,6 @@ CClouds::RenderHorizon(void)
 
 	CSprite2d::DrawAnyRect(0.0f, topleft,  SCREEN_WIDTH, topright,  0.0f, botleft,  SCREEN_WIDTH, botright,
 		ms_colourBkGrd, ms_colourBkGrd, ms_colourBkGrd, ms_colourBkGrd);
+
+	POP_RENDERGROUP();
 }
diff --git a/src/render/Coronas.cpp b/src/render/Coronas.cpp
index e3d3416c..8b137aad 100644
--- a/src/render/Coronas.cpp
+++ b/src/render/Coronas.cpp
@@ -249,6 +249,8 @@ CCoronas::Render(void)
 	int i, j;
 	int screenw, screenh;
 
+	PUSH_RENDERGROUP("CCoronas::Render");
+
 	screenw = RwRasterGetWidth(RwCameraGetRaster(Scene.camera));
 	screenh = RwRasterGetHeight(RwCameraGetRaster(Scene.camera));
 
@@ -432,6 +434,8 @@ CCoronas::Render(void)
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
+
+	POP_RENDERGROUP();
 }
 
 void
@@ -442,6 +446,8 @@ CCoronas::RenderReflections(void)
 	CEntity *entity;
 
 	if(CWeather::WetRoads > 0.0f){
+		PUSH_RENDERGROUP("CCoronas::RenderReflections");
+
 		CSprite::InitSpriteBuffer();
 
 		RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE);
@@ -517,6 +523,8 @@ CCoronas::RenderReflections(void)
 		RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
 		RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
 		RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
+
+		POP_RENDERGROUP();
 	}else{
 		for(i = 0; i < NUMCORONAS; i++)
 			aCoronas[i].renderReflection = false;
diff --git a/src/render/Fluff.cpp b/src/render/Fluff.cpp
index 30e271fb..e92eee29 100644
--- a/src/render/Fluff.cpp
+++ b/src/render/Fluff.cpp
@@ -459,6 +459,7 @@ void CMovingThings::Update()
 
 void CMovingThings::Render()
 {
+	PUSH_RENDERGROUP("CMovingThings::Render");
 	CSmokeTrails::Update();
 
 	int i;
@@ -471,6 +472,7 @@ void CMovingThings::Render()
 	CPlaneTrails::Render();
 	CSmokeTrails::Render();
 	CPlaneBanners::Render();
+	POP_RENDERGROUP();
 }
 
 void CMovingThings::RegisterOne(CEntity *pEnt, uint16 nType) {
diff --git a/src/render/Glass.cpp b/src/render/Glass.cpp
index c6d02755..3409a058 100644
--- a/src/render/Glass.cpp
+++ b/src/render/Glass.cpp
@@ -276,6 +276,8 @@ CGlass::Render(void)
 	RwRenderStateSet(rwRENDERSTATEDESTBLEND,         (void *)rwBLENDONE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)TRUE);
 
+	PUSH_RENDERGROUP("CGlass::Render");
+
 	for ( int32 i = 0; i < NUM_GLASSPANES; i++ )
 	{
 		if ( aGlassPanes[i].m_bActive )
@@ -285,6 +287,8 @@ CGlass::Render(void)
 	for ( uint32 i = 0; i < NumGlassEntities; i++ )
 		RenderEntityInGlass(apEntitiesToBeRendered[i]);
 
+	POP_RENDERGROUP();
+
 	NumGlassEntities = 0;
 
 	RenderHiLightPolys();
diff --git a/src/render/MBlur.cpp b/src/render/MBlur.cpp
index a94a5245..9f5122dc 100644
--- a/src/render/MBlur.cpp
+++ b/src/render/MBlur.cpp
@@ -6,6 +6,7 @@
 #include <d3d8caps.h>
 #endif
 
+#include "main.h"
 #include "General.h"
 #include "RwHelper.h"
 #include "Camera.h"
@@ -333,6 +334,7 @@ CMBlur::MotionBlurRender(RwCamera *cam, uint32 red, uint32 green, uint32 blue, u
 #ifdef EXTENDED_COLOURFILTER
 	CPostFX::Render(cam, red, green, blue, blur, type, bluralpha);
 #else
+	PUSH_RENDERGROUP("CMBlur::MotionBlurRender");
 	RwRGBA color = { (RwUInt8)red, (RwUInt8)green, (RwUInt8)blue, (RwUInt8)blur };
 #ifdef GTA_PS2
 	if( pFrontBuffer )
@@ -348,6 +350,7 @@ CMBlur::MotionBlurRender(RwCamera *cam, uint32 red, uint32 green, uint32 blue, u
 		RwRasterPopContext();
 	}
 #endif
+	POP_RENDERGROUP();
 #endif
 }
 
diff --git a/src/render/Particle.cpp b/src/render/Particle.cpp
index 8c9cde12..14b48243 100644
--- a/src/render/Particle.cpp
+++ b/src/render/Particle.cpp
@@ -1,5 +1,6 @@
 #include "common.h"
 
+#include "main.h"
 #include "General.h"
 #include "Timer.h"
 #include "TxdStore.h"
@@ -1785,6 +1786,8 @@ void CParticle::Update()
 
 void CParticle::Render()
 {
+	PUSH_RENDERGROUP("CParticle::Render");
+
 	RwRenderStateSet(rwRENDERSTATETEXTUREADDRESS, (void *)rwTEXTUREADDRESSWRAP);
 	RwRenderStateSet(rwRENDERSTATETEXTUREPERSPECTIVE, (void *)TRUE);
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void *)FALSE);
@@ -2282,6 +2285,8 @@ void CParticle::Render()
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void *)TRUE);
 	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void *)rwBLENDSRCALPHA);
 	RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void *)rwBLENDINVSRCALPHA);
+
+	POP_RENDERGROUP();
 }
 
 void CParticle::RemovePSystem(tParticleType type)
diff --git a/src/render/PointLights.cpp b/src/render/PointLights.cpp
index 3e73c57f..13872401 100644
--- a/src/render/PointLights.cpp
+++ b/src/render/PointLights.cpp
@@ -159,6 +159,8 @@ CPointLights::RenderFogEffect(void)
 	if(CCutsceneMgr::IsRunning())
 		return;
 
+	PUSH_RENDERGROUP("CPointLights::RenderFogEffect");
+
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDONE);
@@ -302,6 +304,8 @@ CPointLights::RenderFogEffect(void)
 	}
 
 	CSprite::FlushSpriteBuffer();
+
+	POP_RENDERGROUP();
 }
 
 bool
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index dfbc02d7..6b306b6c 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -130,8 +130,13 @@ CRenderer::RenderOneRoad(CEntity *e)
 		return;
 	if(gbShowCollisionPolys)
 		CCollision::DrawColModel_Coloured(e->GetMatrix(), *CModelInfo::GetModelInfo(e->GetModelIndex())->GetColModel(), e->GetModelIndex());
-	else
+	else{
+		PUSH_RENDERGROUP(CModelInfo::GetModelInfo(e->GetModelIndex())->GetModelName());
+
 		e->Render();
+
+		POP_RENDERGROUP();
+	}
 }
 
 void
@@ -178,6 +183,8 @@ CRenderer::RenderOneNonRoad(CEntity *e)
 	}
 #endif
 
+	PUSH_RENDERGROUP(CModelInfo::GetModelInfo(e->GetModelIndex())->GetModelName());
+
 	resetLights = e->SetupLighting();
 
 	if(e->IsVehicle()){
@@ -206,6 +213,8 @@ CRenderer::RenderOneNonRoad(CEntity *e)
 	}
 
 	e->RemoveLighting(resetLights);
+
+	POP_RENDERGROUP();
 }
 
 void
@@ -231,6 +240,7 @@ CRenderer::RenderRoads(void)
 	int i;
 	CEntity *e;
 
+	PUSH_RENDERGROUP("CRenderer::RenderRoads");
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	SetCullMode(rwCULLMODECULLBACK);
@@ -242,6 +252,7 @@ CRenderer::RenderRoads(void)
 		if(IsRoad(e))
 			RenderOneRoad(e);
 	}
+	POP_RENDERGROUP();
 }
 
 inline bool PutIntoSortedVehicleList(CVehicle *veh)
@@ -264,6 +275,7 @@ CRenderer::RenderEverythingBarRoads(void)
 	CEntity *e;
 	EntityInfo ei;
 
+	PUSH_RENDERGROUP("CRenderer::RenderEverythingBarRoads");
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	SetCullMode(rwCULLMODECULLBACK);
@@ -295,6 +307,7 @@ CRenderer::RenderEverythingBarRoads(void)
 		}else
 			RenderOneNonRoad(e);
 	}
+	POP_RENDERGROUP();
 }
 
 void
@@ -302,6 +315,7 @@ CRenderer::RenderBoats(void)
 {
 	CLink<EntityInfo> *node;
 
+	PUSH_RENDERGROUP("CRenderer::RenderBoats");
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	SetCullMode(rwCULLMODECULLBACK);
@@ -330,6 +344,7 @@ CRenderer::RenderBoats(void)
 		CVehicle *v = (CVehicle*)node->item.ent;
 		RenderOneNonRoad(v);
 	}
+	POP_RENDERGROUP();
 }
 
 #ifdef NEW_RENDERER
@@ -433,6 +448,7 @@ CRenderer::RenderWorld(int pass)
 	switch(pass){
 	case 0:
 		// Roads
+		PUSH_RENDERGROUP("CRenderer::RenderWorld - Roads");
 		RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
 		for(i = 0; i < ms_nNoOfVisibleBuildings; i++){
 			e = ms_aVisibleBuildingPtrs[i];
@@ -446,9 +462,11 @@ CRenderer::RenderWorld(int pass)
 			if(e->bIsBIGBuilding || IsRoad(e))
 				RenderOneBuilding(e, node->item.sort);
 		}
+		POP_RENDERGROUP();
 		break;
 	case 1:
 		// Opaque
+		PUSH_RENDERGROUP("CRenderer::RenderWorld - Opaque");
 		RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
 		for(i = 0; i < ms_nNoOfVisibleBuildings; i++){
 			e = ms_aVisibleBuildingPtrs[i];
@@ -469,14 +487,17 @@ CRenderer::RenderWorld(int pass)
 		RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, FALSE);
 		WorldRender::RenderBlendPass(PASS_NOZ);
 		RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
+		POP_RENDERGROUP();
 		break;
 	case 2:
 		// Transparent
+		PUSH_RENDERGROUP("CRenderer::RenderWorld - Transparent");
 		RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 		RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDONE);
 		WorldRender::RenderBlendPass(PASS_ADD);
 		RwRenderStateSet(rwRENDERSTATEDESTBLEND, (void*)rwBLENDINVSRCALPHA);
 		WorldRender::RenderBlendPass(PASS_BLEND);
+		POP_RENDERGROUP();
 		break;
 	}
 }
@@ -487,11 +508,13 @@ CRenderer::RenderPeds(void)
 	int i;
 	CEntity *e;
 
+	PUSH_RENDERGROUP("CRenderer::RenderPeds");
 	for(i = 0; i < ms_nNoOfVisibleVehicles; i++){
 		e = ms_aVisibleVehiclePtrs[i];
 		if(e->IsPed())
 			RenderOneNonRoad(e);
 	}
+	POP_RENDERGROUP();
 }
 
 void
@@ -502,6 +525,7 @@ CRenderer::RenderVehicles(void)
 	EntityInfo ei;
 	CLink<EntityInfo> *node;
 
+	PUSH_RENDERGROUP("CRenderer::RenderVehicles");
 	// not the real thing
 	for(i = 0; i < ms_nNoOfVisibleVehicles; i++){
 		e = ms_aVisibleVehiclePtrs[i];
@@ -518,6 +542,7 @@ CRenderer::RenderVehicles(void)
 	    node != &gSortedVehiclesAndPeds.head;
 	    node = node->prev)
 		RenderOneNonRoad(node->item.ent);
+	POP_RENDERGROUP();
 }
 
 void
@@ -526,6 +551,7 @@ CRenderer::RenderTransparentWater(void)
 	int i;
 	CEntity *e;
 
+	PUSH_RENDERGROUP("CRenderer::RenderTransparentWater");
 	RwRenderStateSet(rwRENDERSTATETEXTURERASTER, nil);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE);
@@ -549,6 +575,7 @@ CRenderer::RenderTransparentWater(void)
 	CWaterLevel::RenderTransparentWater();
 
 	SetStencilState(0);
+	POP_RENDERGROUP();
 }
 
 void
@@ -569,20 +596,24 @@ CRenderer::ClearForFrame(void)
 void
 CRenderer::RenderFadingInEntities(void)
 {
+	PUSH_RENDERGROUP("CRenderer::RenderFadingInEntities");
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	SetCullMode(rwCULLMODECULLBACK);
 	DeActivateDirectional();
 	SetAmbientColours();
 	CVisibilityPlugins::RenderFadingEntities();
+	POP_RENDERGROUP();
 }
 
 void
 CRenderer::RenderFadingInUnderwaterEntities(void)
 {
+	PUSH_RENDERGROUP("CRenderer::RenderFadingInUnderwaterEntities");
 	DeActivateDirectional();
 	SetAmbientColours();
 	CVisibilityPlugins::RenderFadingUnderwaterEntities();
+	POP_RENDERGROUP();
 }
 
 void
diff --git a/src/render/Rubbish.cpp b/src/render/Rubbish.cpp
index bd69f875..147c97b1 100644
--- a/src/render/Rubbish.cpp
+++ b/src/render/Rubbish.cpp
@@ -54,6 +54,8 @@ CRubbish::Render(void)
 	if(RubbishVisibility == 0)
 		return;
 
+	PUSH_RENDERGROUP("CRubbish::Render");
+
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)TRUE);
@@ -150,6 +152,8 @@ CRubbish::Render(void)
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
+
+	POP_RENDERGROUP();
 }
 
 void
diff --git a/src/render/Shadows.cpp b/src/render/Shadows.cpp
index 91f53acf..ae079821 100644
--- a/src/render/Shadows.cpp
+++ b/src/render/Shadows.cpp
@@ -1068,6 +1068,8 @@ CShadows::SetRenderModeForShadowType(uint8 ShadowType)
 void
 CShadows::RenderStoredShadows(void)
 {
+	PUSH_RENDERGROUP("CShadows::RenderStoredShadows");
+
 	RenderBuffer::ClearRenderBuffer();
 
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE,      (void *)FALSE);
@@ -1241,12 +1243,16 @@ CShadows::RenderStoredShadows(void)
 	RwRenderStateSet(rwRENDERSTATETEXTUREADDRESS,    (void *)rwTEXTUREADDRESSWRAP);
 
 	ShadowsStoredToBeRendered = 0;
+
+	POP_RENDERGROUP();
 }
 
 
 void
 CShadows::RenderStaticShadows(void)
 {
+	PUSH_RENDERGROUP("CShadows::RenderStaticShadows");
+
 	RenderBuffer::ClearRenderBuffer();
 
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE,      (void *)FALSE);
@@ -1313,6 +1319,8 @@ CShadows::RenderStaticShadows(void)
 
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE,      (void *)TRUE);
+
+	POP_RENDERGROUP();
 }
 
 
diff --git a/src/render/Skidmarks.cpp b/src/render/Skidmarks.cpp
index 07039c17..08df330d 100644
--- a/src/render/Skidmarks.cpp
+++ b/src/render/Skidmarks.cpp
@@ -96,6 +96,8 @@ CSkidmarks::Render(void)
 {
 	int i, j;
 
+	PUSH_RENDERGROUP("CSkidmarks::Render");
+
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATESRCBLEND, (void*)rwBLENDSRCALPHA);
@@ -152,6 +154,8 @@ CSkidmarks::Render(void)
 	RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void*)FALSE);
 	RwRenderStateSet(rwRENDERSTATEZWRITEENABLE, (void*)TRUE);
 	RwRenderStateSet(rwRENDERSTATEZTESTENABLE, (void*)TRUE);
+
+	POP_RENDERGROUP();
 }
 
 void
diff --git a/src/render/SpecialFX.cpp b/src/render/SpecialFX.cpp
index 4391f19e..b44848f9 100644
--- a/src/render/SpecialFX.cpp
+++ b/src/render/SpecialFX.cpp
@@ -164,6 +164,7 @@ CSpecialFX::Shutdown(void)
 void
 CSpecialFX::Render(void)
 {
+	PUSH_RENDERGROUP("CSpecialFX::Render");
 	CMotionBlurStreaks::Render();
 	CBulletTraces::Render();
 	CBrightLights::Render();
@@ -173,6 +174,7 @@ CSpecialFX::Render(void)
 	if(!(gbNewRenderer && FredIsInFirstPersonCam()))
 #endif
 	C3dMarkers::Render();
+	POP_RENDERGROUP();
 }
 
 void
diff --git a/src/render/WaterCannon.cpp b/src/render/WaterCannon.cpp
index 0f8b22a7..4976f8a3 100644
--- a/src/render/WaterCannon.cpp
+++ b/src/render/WaterCannon.cpp
@@ -307,9 +307,11 @@ void CWaterCannons::Update(void)
 
 void CWaterCannons::Render(void)
 {
+	PUSH_RENDERGROUP("CWaterCannons::Render");
 	for ( int32 i = 0; i < NUM_WATERCANNONS; i++ )
 	{
 		if ( aCannons[i].m_nId != 0 )
 			aCannons[i].Render();
 	}
+	POP_RENDERGROUP();
 }
diff --git a/src/render/WaterLevel.cpp b/src/render/WaterLevel.cpp
index 3d33dbf6..e91aa790 100644
--- a/src/render/WaterLevel.cpp
+++ b/src/render/WaterLevel.cpp
@@ -1202,6 +1202,8 @@ CWaterLevel::RenderTransparentWater(void)
 	if ( !CGame::CanSeeWaterFromCurrArea() )
 		return;
 	
+	PUSH_RENDERGROUP("CWaterLevel::RenderTransparentWater");
+
 	float fWaterDrawDist      = _GetWavyDrawDist();
 	float fWaterDrawDistLarge = fWaterDrawDist + 90.0f;
 	float fWavySectorMaxRenderDistSqr   = SQR(fWaterDrawDist);
@@ -1485,6 +1487,8 @@ CWaterLevel::RenderTransparentWater(void)
 
 	DefinedState();
 #endif
+
+	POP_RENDERGROUP();
 }
 
 void CWaterLevel::RenderOneFlatSmallWaterPoly(float fX, float fY, float fZ, RwRGBA const &color)
diff --git a/src/rw/VisibilityPlugins.cpp b/src/rw/VisibilityPlugins.cpp
index 3a303194..01db546c 100644
--- a/src/rw/VisibilityPlugins.cpp
+++ b/src/rw/VisibilityPlugins.cpp
@@ -233,7 +233,9 @@ CVisibilityPlugins::RenderFadingEntities(CLinkList<AlphaObjectInfo> &list)
 			DeActivateDirectional();
 			SetAmbientColours();
 			e->bImBeingRendered = true;
+			PUSH_RENDERGROUP(mi->GetModelName());
 			RenderFadingAtomic((RpAtomic*)e->m_rwObject, node->item.sort);
+			POP_RENDERGROUP();
 			e->bImBeingRendered = false;
 		}else
 			CRenderer::RenderOneNonRoad(e);
diff --git a/src/weapons/WeaponEffects.cpp b/src/weapons/WeaponEffects.cpp
index b0df610f..bb95ea85 100644
--- a/src/weapons/WeaponEffects.cpp
+++ b/src/weapons/WeaponEffects.cpp
@@ -1,5 +1,6 @@
 #include "common.h"
 
+#include "main.h"
 #include "WeaponEffects.h"
 #include "TxdStore.h"
 #include "Sprite.h"
@@ -103,6 +104,8 @@ CWeaponEffects::Render(void)
 		float w, h;
 		if ( CSprite::CalcScreenCoors(gCrossHair.m_vecPos, &pos, &w, &h, true) )
 		{
+			PUSH_RENDERGROUP("CWeaponEffects::Render");
+
 			float recipz = 1.0f / pos.z;
 			CSprite::RenderOneXLUSprite_Rotate_Aspect(pos.x, pos.y, pos.z,
 				w, h,
@@ -119,6 +122,8 @@ CWeaponEffects::Render(void)
 			gCrossHair.m_fRotation += 0.02f;
 			if ( gCrossHair.m_fRotation > TWOPI )
 				gCrossHair.m_fRotation = 0.0;
+
+			POP_RENDERGROUP();
 		}
 			
 		RwRenderStateSet(rwRENDERSTATEVERTEXALPHAENABLE, (void *)FALSE);