metal/ios: proper fix for out of bounds issue with g_vBigTileLightList

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/Resources/lightlistbuild-bigtile.compute

 	if(t==0) lightOffs = 0;
 	GroupMemoryBarrierWithGroupSync();
 	int i;
-	for(i=t; i<iNrCoarseLights; i+=NR_THREADS) if((int)lightsListLDS[i]<g_iNrVisibLights) InterlockedAdd(lightOffs, 1);
+	for(i=t; i<iNrCoarseLights; i+=NR_THREADS) if(lightsListLDS[i]<(uint)g_iNrVisibLights) InterlockedAdd(lightOffs, 1);
 	GroupMemoryBarrierWithGroupSync();
 	iNrCoarseLights = lightOffs;
 
-		g_vLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*offs + i] = i==0 ? iNrCoarseLights : lightsListLDS[i-1];
+		g_vLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*offs + i] = i==0 ? iNrCoarseLights : lightsListLDS[max(i-1, 0)];
 }
 
 

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/Resources/lightlistbuild-clustered.compute

 	int nrBigTileLights = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+0];
 	for(int l0=(int) t; l0<(int) nrBigTileLights; l0 += NR_THREADS)
 	{
-		int l = min(g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1], g_iNrVisibLights);
+		int l = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1];
 #else
 	for(int l=(int) t; l<(int) g_iNrVisibLights; l += NR_THREADS)
 	{

Assets/ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/Resources/lightlistbuild.compute

 	int nrBigTileLights = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+0];
 	for(int l0=(int) t; l0<(int) nrBigTileLights; l0 += NR_THREADS)
 	{
-		int l = min(g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1], g_iNrVisibLights);
+		int l = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1];
 #else
 	for(int l=(int) t; l<(int) g_iNrVisibLights; l += NR_THREADS)
 	{

Assets/ScriptableRenderPipeline/fptl/lightlistbuild-bigtile.compute

 	if(t==0) lightOffs = 0;
 	GroupMemoryBarrierWithGroupSync();
 	int i;
-	for(i=t; i<iNrCoarseLights; i+=NR_THREADS) if((int)lightsListLDS[i]<g_iNrVisibLights) InterlockedAdd(lightOffs, 1);
+	for(i=t; i<iNrCoarseLights; i+=NR_THREADS) if(lightsListLDS[i]<(uint)g_iNrVisibLights) InterlockedAdd(lightOffs, 1);
 	GroupMemoryBarrierWithGroupSync();
 	iNrCoarseLights = lightOffs;
 
-		g_vLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*offs + i] = i==0 ? iNrCoarseLights : lightsListLDS[i-1];
+		g_vLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*offs + i] = i==0 ? iNrCoarseLights : lightsListLDS[max(i-1, 0)];
 }
 
 

Assets/ScriptableRenderPipeline/fptl/lightlistbuild-clustered.compute

 	int nrBigTileLights = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+0];
 	for(int l0=(int) t; l0<(int) nrBigTileLights; l0 += NR_THREADS)
 	{
-		int l = min(g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1], g_iNrVisibLights);
+		int l = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1];
 #else
 	for(int l=(int) t; l<(int) g_iNrVisibLights; l += NR_THREADS)
 	{

Assets/ScriptableRenderPipeline/fptl/lightlistbuild.compute

 	int nrBigTileLights = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+0];
 	for(int l0=(int) t; l0<(int) nrBigTileLights; l0 += NR_THREADS)
 	{
-		int l = min(g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1], g_iNrVisibLights);
+		int l = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+l0+1];
 #else
 	for(int l=(int) t; l<(int) g_iNrVisibLights; l += NR_THREADS)
 	{