Patch_2

leenkx/Shaders/probe_cubemap/probe_cubemap.frag.glsl

@@ -8,6 +8,7 @@ uniform sampler2D gbufferD;
 uniform sampler2D gbuffer0;
 uniform sampler2D gbuffer1;
 uniform mat4 invVP;
+uniform mat4 invW;
 uniform vec3 probep;
 uniform vec3 eye;
 
@@ -25,19 +26,27 @@ void main() {
 
 	float roughness = g0.b;
 	if (roughness > 0.95) {
-		fragColor.rgb = vec3(0.0);
+		fragColor = vec4(0.0);
 		return;
 	}
 
 	float spec = fract(textureLod(gbuffer1, texCoord, 0.0).a);
 	if (spec == 0.0) {
-		fragColor.rgb = vec3(0.0);
+		fragColor = vec4(0.0);
 		return;
 	}
 
 	float depth = textureLod(gbufferD, texCoord, 0.0).r * 2.0 - 1.0;
 	vec3 wp = getPos2(invVP, depth, texCoord);
 
+	vec3 localPos = (invW * vec4(wp, 1.0)).xyz;
+	
+	// return if surface is inside probe volume bounds
+	if (abs(localPos.x) > 1.0 || abs(localPos.y) > 1.0 || abs(localPos.z) > 1.0) {
+		fragColor = vec4(0.0);
+		return;
+	}
+
 	vec2 enc = g0.rg;
 	vec3 n;
 	n.z = 1.0 - abs(enc.x) - abs(enc.y);
@@ -50,5 +59,5 @@ void main() {
 	r.y = -r.y;
 	#endif
 	float intensity = clamp((1.0 - roughness) * dot(wp - probep, n), 0.0, 1.0);
-	fragColor.rgb = texture(probeTex, r).rgb * intensity;
+	fragColor = vec4(texture(probeTex, r).rgb * intensity, 1.0);
 }

leenkx/Shaders/probe_cubemap/probe_cubemap.json

@@ -20,6 +20,10 @@
 					"name": "invVP",
 					"link": "_inverseViewProjectionMatrix"
 				},
+				{
+					"name": "invW",
+					"link": "_inverseWorldMatrix"
+				},
 				{
 					"name": "probep",
 					"link": "_probePosition"