Update Files

leenkx/Shaders/probe_planar/probe_planar.frag.glsl

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+#version 450
+
+#include "compiled.inc"
+#include "std/gbuffer.glsl"
+
+uniform sampler2D probeTex;
+uniform sampler2D gbufferD;
+uniform sampler2D gbuffer0;
+uniform sampler2D gbuffer1;
+uniform mat4 probeVP;
+uniform mat4 invVP;
+uniform vec3 proben;
+
+in vec4 wvpposition;
+out vec4 fragColor;
+
+void main() {
+	vec2 texCoord = wvpposition.xy / wvpposition.w;
+	texCoord = texCoord * 0.5 + 0.5;
+	#ifdef _InvY
+	texCoord.y = 1.0 - texCoord.y;
+	#endif
+
+	vec4 g0 = textureLod(gbuffer0, texCoord, 0.0); // Normal.xy, roughness, metallic/matid
+
+	float roughness = g0.b;
+	if (roughness > 0.95) {
+		fragColor.rgb = vec3(0.0);
+		return;
+	}
+
+	float spec = fract(textureLod(gbuffer1, texCoord, 0.0).a);
+	if (spec == 0.0) {
+		fragColor.rgb = vec3(0.0);
+		return;
+	}
+
+	float depth = textureLod(gbufferD, texCoord, 0.0).r * 2.0 - 1.0;
+	vec3 wp = getPos2(invVP, depth, texCoord);
+	vec4 pp = probeVP * vec4(wp.xyz, 1.0);
+	vec2 tc = (pp.xy / pp.w) * 0.5 + 0.5;
+	#ifdef _InvY
+	tc.y = 1.0 - tc.y;
+	#endif
+
+	vec2 enc = g0.rg;
+	vec3 n;
+	n.z = 1.0 - abs(enc.x) - abs(enc.y);
+	n.xy = n.z >= 0.0 ? enc.xy : octahedronWrap(enc.xy);
+	n = normalize(n);
+
+	float intensity = clamp((1.0 - roughness) * dot(n, proben), 0.0, 1.0);
+	fragColor.rgb = texture(probeTex, tc).rgb * intensity;
+}