fix the nasty noise bug

Author: devshgraphicsprogramming

examples_tests/22.RaytracedAO/closestHit.comp

@@ -44,7 +44,7 @@ void main()
 		const nbl_glsl_ext_RadeonRays_ray ray = sourceRays[gl_GlobalInvocationID.x];
 
 		const uint batchInstanceGUID = intersection.shapeid;
-		const uint invalidID = 0x80000000u;
+		const uint invalidID = 0xffffffffu;
 		hit = batchInstanceGUID!=invalidID;
 
 		const uvec2 outPixelLocation = unpackOutPixelLocation(ray.time);
@@ -76,7 +76,7 @@ void main()
 			const nbl_glsl_MC_oriented_material_t material = nbl_glsl_MC_material_data_t_getOriented(batchInstanceData.material,frontfacing);
 			emissive = nbl_glsl_MC_oriented_material_t_getEmissive(material);
 
-			const bool _continue = vertex_depth!=MAX_PATH_DEPTH && ray.maxT==FLT_MAX; // last vertex or was a NEE path
+			const bool _continue = vertex_depth!=MAX_PATH_DEPTH && ray.maxT==nbl_glsl_FLT_MAX; // last vertex or was a NEE path
 			if (_continue)
 			{
 				// if we ever support spatially varying emissive, we'll need to hoist barycentric computation and UV fetching to the position fetching