nicer VXGI settings, updated reference screenshot

README.md

@@ -1,7 +1,7 @@
 # Engine
 
 <p align="center">
-<img src="./docs/assets/program.win64.gcc.vulkan_2024-12-02_23-07-35.png" width="500px"></img>
+<img src="./docs/assets/program.win64.gcc.vulkan_2025-08-01_21-24-59.jpg" width="500px"></img>
 </p>
 
 An unnamed, almost-entirely from-scratch, engine written in C++.

bin/data/config.json

@@ -29,21 +29,21 @@
 				}
 			},
 			"vxgi": {
-				"limiter": 0,
-			//	"limiter": 0.5,
+			//	"limiter": 0,
+				"limiter": 0.0125,
 				"size": 192,
 				"dispatch": 16,
 				"cascades": 3,
-				"cascadePower": 1.5,
-				"granularity": 16,
+				"cascadePower": 2,
+				"granularity": 10,
 				"voxelizeScale": 1,
 				"occlusionFalloff": 2,
 				"traceStartOffsetFactor": 1,
-				"filtering": "NEAREST",
+				"filtering": "LINEAR",
 				"shadows": 0,
 				"extents": {
-					"min": [ -16, -16, -16 ],
-					"max": [  16,  16,  16 ]
+					"min": [ -8, -8, -8 ],
+					"max": [  8,  8,  8 ]
 				}
 			},
 			"rt": {

bin/data/shaders/common/pbr.h

@@ -9,7 +9,7 @@ void pbr() {
 	// angle of outcoming light
 	const float cosLo = max(0.0, dot(surface.normal.eye, Lo));
 
-	const float Rs = 1.0; //4.0;
+	const float Rs = 4.0;
 	
 	for ( uint i = 0, shadows = 0; i < MAX_LIGHTS; ++i ) {
 	#if BAKING