Fix background color intensity for 'Filmic2' tonemap

Reviewed-on: LeenkxTeam/LNXSDK#144

leenkx/Shaders/bloom_pass/downsample_pass.frag.glsl

@@ -48,6 +48,10 @@ void main() {
 	}
 
 	if (currentMipLevel == 0) {
+		if (any(isnan(fragColor.rgb)) || any(isinf(fragColor.rgb))) {
+			fragColor.rgb = vec3(0.0);
+		}
+
 		// https://catlikecoding.com/unity/tutorials/advanced-rendering/bloom/#3.2
 		// https://catlikecoding.com/unity/tutorials/advanced-rendering/bloom/#3.4
 

leenkx/Shaders/compositor_pass/compositor_pass.frag.glsl

@@ -69,6 +69,7 @@ uniform vec4 PPComp15;
 uniform vec4 PPComp16;
 uniform vec4 PPComp18;
 uniform vec4 PPComp19;
+uniform vec4 PPComp20;
 #endif
 
 // #ifdef _CPos
@@ -499,14 +500,15 @@ void main() {
 
 #ifdef _CExposure
 	#ifdef _CPostprocess
-		fragColor.rgb+=fragColor.rgb*PPComp8.x;
+		fragColor.rgb *= pow(2.0, PPComp8.x);
 	#else
-		fragColor.rgb+= fragColor.rgb*compoExposureStrength;
+		fragColor.rgb *= pow(2.0, compoExposureStrength);
 	#endif
 #endif
 
 #ifdef _CPostprocess
 	fragColor.rgb *= ComputeEV(0.0);
+	fragColor.rgb *= pow(2.0, PPComp20.x); // exposure and gamma
 #endif
 
 #ifdef _AutoExposure
@@ -582,14 +584,16 @@ fragColor.rgb = min(fragColor.rgb, 65504 * 0.5);
 			fragColor.rgb = tonemapAgXFull(fragColor.rgb);
 		} //else { fragColor.rgb = vec3(0,1,0); //ERROR}
 	#endif
-
+#ifdef _CGamma
+	fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / PPComp20.y));
+#endif
 #else
 	#ifdef _CToneFilmic
 		fragColor.rgb = tonemapFilmic(fragColor.rgb); // With gamma
 	#endif
 	#ifdef _CToneFilmic2
 		fragColor.rgb = acesFilm(fragColor.rgb);
-		fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / 1.0));
+		fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / 2.2));
 	#endif
 	#ifdef _CToneReinhard
 		fragColor.rgb = tonemapReinhard(fragColor.rgb);
@@ -615,6 +619,10 @@ fragColor.rgb = min(fragColor.rgb, 65504 * 0.5);
 	#endif
 #endif
 
+#ifdef _CGamma
+	fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / compoGammaStrength));
+#endif
+
 #ifdef _CBW
 	// fragColor.rgb = vec3(clamp(dot(fragColor.rgb, fragColor.rgb), 0.0, 1.0));
 	fragColor.rgb = vec3((fragColor.r * 0.3 + fragColor.g * 0.59 + fragColor.b * 0.11) / 3.0) * 2.5;

leenkx/Shaders/deferred_light/deferred_light.frag.glsl

@@ -907,26 +907,10 @@ tileBounds = vec4(0.0, 0.0, 1.0, 1.0);
 					fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[li], p, n, cLightDir, lightPlane.y, shadowMapAtlas, sssColorCL, sssRadiusCL, tileBoundsSpotArray[li]);
 					#endif
 				#else
-					if (li == 0) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[0], p, n, cLightDir, lightPlane.y, shadowMapSpot[0], sssColorCL, sssRadiusCL
+					if (li == 0) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[0], p, n, cLightDir, lightPlane.y, shadowMapSpot[0], sssColorCL, sssRadiusCL);
-						#ifdef _ShadowMapAtlas
+					else if (li == 1) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[1], p, n, cLightDir, lightPlane.y, shadowMapSpot[1], sssColorCL, sssRadiusCL);
-						, vec4(0.0, 0.0, 1.0, 1.0)
+					else if (li == 2) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[2], p, n, cLightDir, lightPlane.y, shadowMapSpot[2], sssColorCL, sssRadiusCL);
-						#endif
+					else if (li == 3) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[3], p, n, cLightDir, lightPlane.y, shadowMapSpot[3], sssColorCL, sssRadiusCL);
-					);
-					else if (li == 1) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[1], p, n, cLightDir, lightPlane.y, shadowMapSpot[1], sssColorCL, sssRadiusCL
-						#ifdef _ShadowMapAtlas
-						, vec4(0.0, 0.0, 1.0, 1.0)
-						#endif
-					);
-					else if (li == 2) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[2], p, n, cLightDir, lightPlane.y, shadowMapSpot[2], sssColorCL, sssRadiusCL
-						#ifdef _ShadowMapAtlas
-						, vec4(0.0, 0.0, 1.0, 1.0)
-						#endif
-					);
-					else if (li == 3) fragColor.rgb += cLightCol * sssStrengthCL * SSSSTransmittance(LWVPSpotArray[3], p, n, cLightDir, lightPlane.y, shadowMapSpot[3], sssColorCL, sssRadiusCL
-						#ifdef _ShadowMapAtlas
-						, vec4(0.0, 0.0, 1.0, 1.0)
-						#endif
-					);
 				#endif
 			} else {
 				#ifdef _ShadowMapAtlas

leenkx/Shaders/deferred_light_mobile/deferred_light.frag.glsl

@@ -56,9 +56,15 @@ uniform vec2 cameraPlane;
 #ifdef _SinglePoint
 	#ifdef _Spot
 	//!uniform sampler2DShadow shadowMapSpot[1];
+	#ifdef _ShadowMapTransparent
+	//!uniform sampler2D shadowMapSpotTransparent[1];
+	#endif
 	//!uniform mat4 LWVPSpotArray[1];
 	#else
 	//!uniform samplerCubeShadow shadowMapPoint[1];
+	#ifdef _ShadowMapTransparent
+	//!uniform samplerCube shadowMapPointTransparent[1];
+	#endif
 	//!uniform vec2 lightProj;
 	#endif
 #endif
@@ -66,26 +72,41 @@ uniform vec2 cameraPlane;
 	#ifdef _ShadowMapAtlas
 		#ifdef _SingleAtlas
 		uniform sampler2DShadow shadowMapAtlas;
+		#ifdef _ShadowMapTransparent
+		uniform sampler2D shadowMapAtlasTransparent;
+		#endif
 		#endif
 	#endif
 	#ifdef _ShadowMapAtlas
 		#ifndef _SingleAtlas
 		//!uniform sampler2DShadow shadowMapAtlasPoint;
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapAtlasPointTransparent;
 		#endif
-		//!uniform vec4 pointLightDataArray[4];
+		#endif
+		//!uniform vec4 pointLightDataArray[maxLightsCluster * 6];
 	#else
 		//!uniform samplerCubeShadow shadowMapPoint[4];
+		#ifdef _ShadowMapTransparent
+		//!uniform samplerCube shadowMapPointTransparent[4];
+		#endif
 	#endif
 	//!uniform vec2 lightProj;
 	#ifdef _Spot
 		#ifdef _ShadowMapAtlas
 		#ifndef _SingleAtlas
 		//!uniform sampler2DShadow shadowMapAtlasSpot;
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapAtlasSpotTransparent;
+		#endif
 		#endif
 		#else
-		//!uniform sampler2DShadow shadowMapSpot[4];
+		//!uniform sampler2DShadow shadowMapSpot[maxLightsCluster];
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapSpotTransparent[maxLightsCluster];
 		#endif
-	//!uniform mat4 LWVPSpotArray[4];
+		#endif
+	//!uniform mat4 LWVPSpotArray[maxLightsCluster];
 	#endif
 #endif
 #endif
@@ -97,10 +118,16 @@ uniform vec3 sunCol;
 	#ifdef _ShadowMapAtlas
 	#ifndef _SingleAtlas
 	uniform sampler2DShadow shadowMapAtlasSun;
+	#ifdef _ShadowMapTransparent
+	uniform sampler2D shadowMapAtlasSunTransparent;
+	#endif
 	#endif
 	//!uniform vec4 tileBoundsSunArray[maxLights * shadowmapCascades];
 	#else
 	uniform sampler2DShadow shadowMap;
+	#ifdef _ShadowMapTransparent
+	uniform sampler2D shadowMapTransparent;
+	#endif
 	#endif
 	uniform float shadowsBias;
 	#ifdef _CSM
@@ -167,10 +194,11 @@ void main() {
 
 	vec4 g1 = textureLod(gbuffer1, texCoord, 0.0); // Basecolor.rgb, spec/occ
 	vec2 occspec = unpackFloat2(g1.a);
-	vec3 albedo = surfaceAlbedo(g1.rgb, metallic); // g1.rgb - basecolor
+	vec3 basecolor = min(g1.rgb, vec3(2.0));
-	vec3 f0 = surfaceF0(g1.rgb, metallic);
+	vec3 albedo = surfaceAlbedo(basecolor, metallic);
+	vec3 f0 = surfaceF0(basecolor, metallic);
 	#ifdef _ExtBRDF
-	f0 = mix(f0, min(g1.rgb, vec3(2.0)), vec3(matp6.y, matp6.z, matp6.w));
+	f0 = mix(f0, basecolor, vec3(matp6.y, matp6.z, matp6.w));
 	#endif
 
 	float depth = textureLod(gbufferD, texCoord, 0.0).r * 2.0 - 1.0;
@@ -206,7 +234,7 @@ void main() {
 	envl /= PI;
 	#endif
 #else
-	vec3 envl = vec3(1.0);
+	vec3 envl = vec3(0.0);
 #endif
 
 #ifdef _Rad
@@ -227,13 +255,23 @@ void main() {
 	#endif
 #endif
 
+#ifdef _Brdf
+	vec3 F = f0 * envBRDF.x + envBRDF.y;
+#else
+	vec3 F = f0;
+#endif
+
 	envl.rgb *= diffuseIBL(albedo, roughness, f0, dotNV);
 
+#ifdef _Brdf
+	envl.rgb *= 1.0 - F;
+#endif
+
 #ifdef _Rad // Indirect specular
-	envl.rgb += prefilteredColor * (f0 * envBRDF.x + envBRDF.y) * 1.5 * occspec.y;
+	envl.rgb += prefilteredColor * F;
 #else
 	#ifdef _EnvCol
-	envl.rgb += backgroundCol * surfaceF0(g1.rgb, metallic); // f0
+	envl.rgb += backgroundCol * F;
 	#endif
 #endif
 
@@ -281,7 +319,12 @@ void main() {
 	float transmittance = 1.0 - transF;
 	#ifdef _Rad
 	if (matp2.z > 0.0 && transmittance > 0.0) {
-		vec3 refrDir = transmissionIBLDirection(n, v, matp3.x);
+		vec3 refrDir;
+			if (matp3.y > 0.5) {
+				refrDir = reflect(-v, n);
+			} else {
+				refrDir = transmissionIBLDirection(n, v, matp3.x);
+			}
 		float transLod = getMipFromRoughness(matp2.w, envmapNumMipmaps);
 		vec3 transColor = textureLod(senvmapRadiance,
 			envMapEquirect(refrDir), transLod).rgb;
@@ -337,7 +380,7 @@ void main() {
 	float sdotNH = max(0.0, dot(n, sh));
 	float sdotVH = max(0.0, dot(v, sh));
 	float sdotNL = max(0.0, dot(n, sunDir));
-	float svisibility = 1.0;
+	vec3 svisibility = vec3(1.0);
 	#ifdef _Anisotropy
 	vec3 sdirect;
 	if (abs(matp0.x) > 0.001 && dot(wTangent, wTangent) > 0.001) {
@@ -385,29 +428,59 @@ void main() {
 		#ifdef _CSM
 			svisibility = shadowTestCascade(
 				#ifdef _ShadowMapAtlas
+					#ifdef _ShadowMapTransparent
+					#ifndef _SingleAtlas
+					shadowMapAtlasSun, shadowMapAtlasSunTransparent
+					#else
+					shadowMapAtlas, shadowMapAtlasTransparent
+					#endif
+					#else
 					#ifndef _SingleAtlas
 					shadowMapAtlasSun
 					#else
 					shadowMapAtlas
 					#endif
+					#endif
+				#else
+					#ifdef _ShadowMapTransparent
+					shadowMap, shadowMapTransparent
 					#else
 					shadowMap
 					#endif
-				, eye, p + n * shadowsBias * 10, shadowsBias
+				#endif
+				, eye, p + n * shadowsBias * 2, shadowsBias
+				#ifdef _ShadowMapTransparent
+				, false
+				#endif
 			);
 		#else
-			vec4 lPos = LWVP * vec4(p + n * shadowsBias * 100, 1.0);
+			vec4 lPos = LWVP * vec4(p + n * shadowsBias * 2, 1.0);
 			if (lPos.w > 0.0) svisibility = shadowTest(
 				#ifdef _ShadowMapAtlas
+					#ifdef _ShadowMapTransparent
+					#ifndef _SingleAtlas
+					shadowMapAtlasSun, shadowMapAtlasSunTransparent
+					#else
+					shadowMapAtlas, shadowMapAtlasTransparent
+					#endif
+					#else
 					#ifndef _SingleAtlas
 					shadowMapAtlasSun
 					#else
 					shadowMapAtlas
 					#endif
+					#endif
+				#else
+					#ifdef _ShadowMapTransparent
+					shadowMap, shadowMapTransparent
 					#else
 					shadowMap
 					#endif
+				#endif
 				, lPos.xyz / lPos.w, shadowsBias
+				#ifdef _ShadowMapTransparent
+				, false
+				#endif
 			);
 		#endif
 	#endif
@@ -415,11 +488,18 @@ void main() {
 	fragColor.rgb += sdirect * svisibility * sunCol;
 #endif
 
+#ifdef _ShadowMapAtlas
+tileBounds = vec4(0.0, 0.0, 1.0, 1.0);
+#endif
+
 #ifdef _SinglePoint
 	fragColor.rgb += sampleLight(
 		p, n, v, dotNV, pointPos, pointCol, albedo, roughness, occspec.y, f0
 		#ifdef _ShadowMap
 			, 0, pointBias, true
+		#ifdef _ShadowMapTransparent
+			, false
+		#endif
 		#endif
 		#ifdef _Spot
 		, true, spotData.x, spotData.y, spotDir, spotData.zw, spotRight  // TODO: Test!
@@ -472,12 +552,15 @@ void main() {
 			#ifdef _ShadowMap
 				// light index, shadow bias, cast_shadows
 				, li, lightsArray[li * 3 + 2].x, lightsArray[li * 3 + 2].z != 0.0
+			#ifdef _ShadowMapTransparent
+				, false
+			#endif
 			#endif
 			#ifdef _Spot
 			, lightsArray[li * 3 + 2].y != 0.0
 			, lightsArray[li * 3 + 2].y // spot size (cutoff)
-			, lightsArraySpot[li].w // spot blend (exponent)
+			, lightsArraySpot[li * 2].w // spot blend (exponent)
-			, lightsArraySpot[li].xyz // spotDir
+			, lightsArraySpot[li * 2].xyz // spotDir
 			, vec2(lightsArray[li * 3].w, lightsArray[li * 3 + 1].w) // scale
 			, lightsArraySpot[li * 2 + 1].xyz // right
 			#endif

leenkx/Shaders/deferred_light_mobile/deferred_light_mobile.json

@@ -122,11 +122,6 @@
 					"link": "_inverseViewProjectionMatrixRight",
 					"ifdef": ["_VRStereo"]
 				},
-				{
-					"name": "invVP",
-					"link": "_viewProjectionMatrix",
-					"ifdef": ["_SSRS"]
-				},
 				{
 					"name": "smSizeUniform",
 					"link": "_shadowMapSize",
@@ -137,14 +132,6 @@
 					"link": "_lightPlane",
 					"ifdef": ["_SSS"]
 				},
-				{
-					"name": "VP",
-					"link": "_viewProjectionMatrix",
-					"ifdef": ["_SSRS"]
-				},
-				{
-					"ifdef": ["_SMSizeUniform"]
-				},
 				{
 					"name": "lightProj",
 					"link": "_lightPlaneProj",

leenkx/Shaders/std/light_mobile.glsl

@@ -14,15 +14,24 @@
 	#ifdef _SinglePoint
 		#ifdef _Spot
 		uniform sampler2DShadow shadowMapSpot[1];
+		#ifdef _ShadowMapTransparent
+		uniform sampler2D shadowMapSpotTransparent[1];
+		#endif
 		uniform mat4 LWVPSpotArray[1];
 		#else
 		uniform samplerCubeShadow shadowMapPoint[1];
+		#ifdef _ShadowMapTransparent
+		uniform samplerCube shadowMapPointTransparent[1];
+		#endif
 		uniform vec2 lightProj;
 		#endif
 	#endif
 	#ifdef _Clusters
 		#ifdef _SingleAtlas
 		//!uniform sampler2DShadow shadowMapAtlas;
+		#ifdef _ShadowMapTransparent
+		//!uniform sampler2D shadowMapAtlasTransparent;
+		#endif
 		#endif
 		#ifndef _SinglePoint
 		uniform vec2 lightProj;
@@ -30,17 +39,29 @@
 		#ifdef _ShadowMapAtlas
 		#ifndef _SingleAtlas
 		uniform sampler2DShadow shadowMapAtlasPoint;
+		#ifdef _ShadowMapTransparent
+		uniform sampler2D shadowMapAtlasPointTransparent;
+		#endif
 		#endif
 		#else
 		uniform samplerCubeShadow shadowMapPoint[4];
+		#ifdef _ShadowMapTransparent
+		uniform samplerCube shadowMapPointTransparent[4];
+		#endif
 		#endif
 		#ifdef _Spot
 			#ifdef _ShadowMapAtlas
 			#ifndef _SingleAtlas
 			uniform sampler2DShadow shadowMapAtlasSpot;
+			#ifdef _ShadowMapTransparent
+			uniform sampler2D shadowMapAtlasSpotTransparent;
+			#endif
 			#endif
 			#else
 			uniform sampler2DShadow shadowMapSpot[maxLightsCluster];
+			#ifdef _ShadowMapTransparent
+			uniform sampler2D shadowMapSpotTransparent[maxLightsCluster];
+			#endif
 			#endif
 			uniform mat4 LWVPSpotArray[maxLightsCluster];
 		#endif
@@ -51,6 +72,9 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 	const vec3 albedo, const float rough, const float spec, const vec3 f0
 	#ifdef _ShadowMap
 		, int index, float bias, bool receiveShadow
+	#ifdef _ShadowMapTransparent
+		, bool transparent
+	#endif
 	#endif
 	#ifdef _Spot
 		, bool isSpot, float spotSize, float spotBlend, vec3 spotDir, vec2 scale, vec3 right
@@ -122,25 +146,76 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 			if (receiveShadow) {
 				#ifdef _SinglePoint
 			vec4 lPos = LWVPSpotArray[0] * vec4(p + n * bias * 10, 1.0);
-				direct *= shadowTest(shadowMapSpot[0], lPos.xyz / lPos.w, bias);
+			direct *= shadowTest(shadowMapSpot[0],
+				#ifdef _ShadowMapTransparent
+				shadowMapSpotTransparent[0],
+				#endif
+				lPos.xyz / lPos.w, bias
+				#ifdef _ShadowMapTransparent
+				, transparent
+				#endif
+				);
 				#endif
 				#ifdef _Clusters
 					vec4 lPos = LWVPSpotArray[index] * vec4(p + n * bias * 10, 1.0);
 					#ifdef _ShadowMapAtlas
 					tileBounds = tileBoundsSpotArray[index];
 					direct *= shadowTest(
+						#ifdef _ShadowMapTransparent
+						#ifndef _SingleAtlas
+						shadowMapAtlasSpot, shadowMapAtlasSpotTransparent
+						#else
+						shadowMapAtlas, shadowMapAtlasTransparent
+						#endif
+						#else
 						#ifndef _SingleAtlas
 						shadowMapAtlasSpot
 						#else
 						shadowMapAtlas
 						#endif
+						#endif
 						, lPos.xyz / lPos.w, bias
+						#ifdef _ShadowMapTransparent
+						, transparent
+						#endif
 					);
 				#else
-							 if (index == 0) direct *= shadowTest(shadowMapSpot[0], lPos.xyz / lPos.w, bias);
+							 if (index == 0) direct *= shadowTest(shadowMapSpot[0],
-						else if (index == 1) direct *= shadowTest(shadowMapSpot[1], lPos.xyz / lPos.w, bias);
+							#ifdef _ShadowMapTransparent
-						else if (index == 2) direct *= shadowTest(shadowMapSpot[2], lPos.xyz / lPos.w, bias);
+							shadowMapSpotTransparent[0],
-						else if (index == 3) direct *= shadowTest(shadowMapSpot[3], lPos.xyz / lPos.w, bias);
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
+					else if (index == 1) direct *= shadowTest(shadowMapSpot[1],
+							#ifdef _ShadowMapTransparent
+							shadowMapSpotTransparent[1],
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
+					else if (index == 2) direct *= shadowTest(shadowMapSpot[2],
+							#ifdef _ShadowMapTransparent
+							shadowMapSpotTransparent[2],
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
+					else if (index == 3) direct *= shadowTest(shadowMapSpot[3],
+							#ifdef _ShadowMapTransparent
+							shadowMapSpotTransparent[3],
+							#endif
+							lPos.xyz / lPos.w, bias
+							#ifdef _ShadowMapTransparent
+							, transparent
+							#endif
+							);
 					#endif
 				#endif
 			}
@@ -154,24 +229,75 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 		if (receiveShadow) {
 			#ifdef _SinglePoint
 		#ifndef _Spot
-			direct *= PCFCube(shadowMapPoint[0], ld, -l, bias, lightProj, n);
+		direct *= PCFCube(shadowMapPoint[0],
+			#ifdef _ShadowMapTransparent
+			shadowMapPointTransparent[0],
+			#endif
+			ld, -l, bias, lightProj, n
+			#ifdef _ShadowMapTransparent
+			, transparent
+			#endif
+			);
 		#endif
 		#endif
 			#ifdef _Clusters
 				#ifdef _ShadowMapAtlas
 			direct *= PCFFakeCube(
+				#ifdef _ShadowMapTransparent
+				#ifndef _SingleAtlas
+				shadowMapAtlasPoint, shadowMapAtlasPointTransparent
+				#else
+				shadowMapAtlas, shadowMapAtlasTransparent
+				#endif
+				#else
 				#ifndef _SingleAtlas
 				shadowMapAtlasPoint
 				#else
 				shadowMapAtlas
 				#endif
+				#endif
 				, ld, -l, bias, lightProj, n, index
+				#ifdef _ShadowMapTransparent
+				, transparent
+				#endif
 			);
 			#else
-					 if (index == 0) direct *= PCFCube(shadowMapPoint[0], ld, -l, bias, lightProj, n);
+					 if (index == 0) direct *= PCFCube(shadowMapPoint[0],
-				else if (index == 1) direct *= PCFCube(shadowMapPoint[1], ld, -l, bias, lightProj, n);
+					#ifdef _ShadowMapTransparent
-				else if (index == 2) direct *= PCFCube(shadowMapPoint[2], ld, -l, bias, lightProj, n);
+					shadowMapPointTransparent[0],
-				else if (index == 3) direct *= PCFCube(shadowMapPoint[3], ld, -l, bias, lightProj, n);
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
+			else if (index == 1) direct *= PCFCube(shadowMapPoint[1],
+					#ifdef _ShadowMapTransparent
+					shadowMapPointTransparent[1],
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
+			else if (index == 2) direct *= PCFCube(shadowMapPoint[2],
+					#ifdef _ShadowMapTransparent
+					shadowMapPointTransparent[2],
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
+			else if (index == 3) direct *= PCFCube(shadowMapPoint[3],
+					#ifdef _ShadowMapTransparent
+					shadowMapPointTransparent[3],
+					#endif
+					ld, -l, bias, lightProj, n
+					#ifdef _ShadowMapTransparent
+					, transparent
+					#endif
+					);
 				#endif
 			#endif
 		}
@@ -186,6 +312,9 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 	const vec3 albedo, const float rough, const float spec, const vec3 f0
 	#ifdef _ShadowMap
 		, int index, float bias, bool receiveShadow
+	#ifdef _ShadowMapTransparent
+		, bool transparent
+	#endif
 	#endif
 	#ifdef _Spot
 		, bool isSpot, float spotSize, float spotBlend, vec3 spotDir, vec2 scale, vec3 right
@@ -194,6 +323,9 @@ vec3 sampleLight(const vec3 p, const vec3 n, const vec3 v, const float dotNV, co
 	return sampleLight(p, n, v, dotNV, lp, lightCol, albedo, rough, spec, f0
 		#ifdef _ShadowMap
 			, index, bias, receiveShadow
+		#ifdef _ShadowMapTransparent
+			, transparent
+		#endif
 		#endif
 		#ifdef _Spot
 			, isSpot, spotSize, spotBlend, spotDir, scale, right

leenkx/Shaders/water_pass/water_pass.frag.glsl

@@ -151,6 +151,7 @@ void main() {
 	}
 
 	// Displace surface
+	float geomZ = p.z; // undisplaced depth for foam/fog tests
 	p.z += (sin(p.x * 10.0 / waterDisplace + speed) * cos(p.y * 10.0 / waterDisplace + speed)
 	      + sin(p.x * 20.0 / waterDisplace + speed * 1.3) * cos(p.y * 20.0 / waterDisplace + speed * 1.3) * 0.5)
 	      / 50.0 * waterDisplace;
@@ -227,15 +228,19 @@ void main() {
 	// Blinn-Phong specular using half-vector, faded at horizon
 	vec3 h = normalize(v + ld);
 	float specAmount = pow(max(dot(n2, h), 0.0), 200.0) * (200.0 + 8.0) / (PI * 8.0);
-	fragColor.rgb += specAmount * (isSky ? 0.3 : 1.0) * horizonFactor;
+	fragColor.rgb += specAmount * (isSky ? 0.3 : 1.0);
 	// Depth fog - blend toward waterColor with depth, faded at horizon
-	float depthFog = clamp(-(p.z - waterLevel) * waterDensity, 0.0, 0.9);
+	float depthFog = clamp(-(geomZ - waterLevel) * waterDensity, 0.0, 0.9);
 	fragColor.rgb = mix(fragColor.rgb, waterColor, depthFog * horizonFactor);
 	// Alpha fades smoothly at horizon instead of hard cut
-	fragColor.a = isSky ? horizonFactor : clamp(abs(p.z - waterLevel) * 5.0, 0.0, 1.0);
+	// Skydome sits 3.5 below the camera (_skydomeMatrix), so its horizon
+	// appears where the ray z reaches -3.5 / domeRadius
+	float farPlane = cameraProj.y / (1.0 - cameraProj.x);
+	float horizonFade = clamp((-3.5 / (farPlane * 0.95) - vray.z) * 20.0, 0.0, 1.0);
+	fragColor.a = isSky ? horizonFade : clamp(abs(geomZ - waterLevel) * 5.0, 0.0, 1.0);
 
 	// Foam - based on actual geometry depth below water surface
-	float fd = isSky ? 1.0 : abs(p.z - waterLevel);
+	float fd = isSky ? 1.0 : abs(geomZ - waterLevel);
 	if (fd < 0.1) {
 		// Based on foam by Owen Deery
 		// http://fire-face.com/personal/water

leenkx/Shaders/water_pass/water_pass.json

@@ -34,7 +34,7 @@
 				},
 				{
 					"name": "ld",
-					"link": "_lightDirection"
+					"link": "_sunDirection"
 				},
 				{
 					"name": "invVP",

leenkx/Sources/iron/object/LightObject.hx

@@ -90,8 +90,16 @@ class LightObject extends Object {
 
 		#if lnx_spot
 		if (data.raw.type == "spot"){
-			this.size = data.raw.spot_size;
+			this.size = 0.0;
-			this.blend = data.raw.spot_blend;
+			this.blend = 0.0;
+			if (data.raw.spot_size != null) {
+				var s: kha.FastFloat = data.raw.spot_size;
+				this.size = s;
+			}
+			if (data.raw.spot_blend != null) {
+				var b: kha.FastFloat = data.raw.spot_blend;
+				this.blend = b;
+			}
 		}
 		#end
 

leenkx/Sources/leenkx/renderpath/Inc.hx

@@ -669,8 +669,10 @@ class Inc {
 		#end
 
 		#if rp_ssrs
+		#if kha_opengl
 		path.bindTarget("_main", "gbufferD");
 		#end
+		#end
 
 		path.drawMeshes("translucent");
 
@@ -1314,7 +1316,11 @@ class ShadowMapAtlas {
 
 	function new(light: LightObject, transparent: Bool) {
 
+		#if lnx_shadowmap_atlas_single_map
+		var maxTileSize = Std.int(Math.max(Inc.getCubeSize(), Inc.getCascadeSize()));
+		#else
 		var maxTileSize = shadowMapAtlasSize(light);
+		#end
 		this.target = shadowMapAtlasName(light.data.raw.type, transparent);
 		this.sizew = this.sizeh = this.baseTileSizeConst = maxTileSize;
 		this.depth = getSubdivisions();
@@ -1418,7 +1424,7 @@ class ShadowMapAtlas {
 
 	public static inline function shadowMapAtlasName(type: String, transparent: Bool): String {
 		#if lnx_shadowmap_atlas_single_map
-		return "shadowMapAtlas";
+		return transparent ? "shadowMapAtlasTransparent" : "shadowMapAtlas";
 	#else
 		switch (type) {
 			case "point":

leenkx/Sources/leenkx/renderpath/Postprocess.hx

@@ -116,6 +116,11 @@ class Postprocess {
 		1 					//0: Exposure
 	];
 
+	public static var scene_color_uniforms = [
+		0.0,				//0: Scene Exposure
+		1.0					//1: Scene Gamma
+	];
+
 	public static var auto_exposure_uniforms = [
 		1, 					//0: Auto Exposure Strength
 		1 					//1: Auto Exposure Speed
@@ -406,6 +411,10 @@ class Postprocess {
 			v.x = auto_focus[0];
 			v.y = auto_focus[1];
 			v.z = auto_focus[2];
+		case "_PPComp20":
+			v = iron.object.Uniforms.helpVec;
+			v.x = scene_color_uniforms[0]; // Scene Exposure
+			v.y = scene_color_uniforms[1]; // Scene Gamma
 		}
 
 		return v;

leenkx/Sources/leenkx/renderpath/RenderPathDeferred.hx

@@ -560,6 +560,7 @@ class RenderPathDeferred {
 	@:access(iron.RenderPath)
 	public static function commands() {
 		path.setTarget("gbuffer0"); // Only clear gbuffer0
+		//path.setTarget("gbuffer0", ["gbuffer1"]);
 		#if (rp_background == "Clear")
 		{
 			path.clearTarget(-1, 1.0);
@@ -649,7 +650,11 @@ class RenderPathDeferred {
 		{
 			if (leenkx.data.Config.raw.rp_ssao != false) {
 				path.setTarget("singlea");
+				#if rp_ssao_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.bindTarget("gbuffer0", "gbuffer0");
 				path.drawShader("shader_datas/ssao_pass/ssao_pass");
 
@@ -670,7 +675,11 @@ class RenderPathDeferred {
 		{
 			if (leenkx.data.Config.raw.rp_ssgi != false) {
 				path.setTarget("ssgi_a");
+				#if rp_ssgi_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.bindTarget("gbuffer0", "gbuffer0");
 				path.bindTarget("gbuffer1", "gbuffer1");
 				#if rp_gbuffer_emission
@@ -684,13 +693,21 @@ class RenderPathDeferred {
 				path.setTarget("ssgi_b");
 				path.bindTarget("ssgi_a", "tex");
 				path.bindTarget("gbuffer0", "gbuffer0");
+				#if rp_ssgi_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.drawShader("shader_datas/ssgi_blur_pass/ssgi_blur_pass_x");
 
 				path.setTarget("ssgi_a");
 				path.bindTarget("ssgi_b", "tex");
 				path.bindTarget("gbuffer0", "gbuffer0");
+				#if rp_ssgi_half
+				path.bindTarget("half", "gbufferD");
+				#else
 				path.bindTarget("_main", "gbufferD");
+				#end
 				path.drawShader("shader_datas/ssgi_blur_pass/ssgi_blur_pass_y");
 			}
 		}
@@ -960,7 +977,7 @@ class RenderPathDeferred {
 				path.bindTarget("tex", "tex");
 				path.drawShader("shader_datas/copy_pass/copy_pass");
 
-				path.setTarget("gbuffer0", ["gbuffer1", "gbuffer_refraction"]);
+				setTargetMeshes();
 
 				#if (rp_voxels != "Off")
 				path.bindTarget("voxelsOut", "voxels");
@@ -980,7 +997,7 @@ class RenderPathDeferred {
 				#end
 
 				#if rp_ssrs
-				path.bindTarget("_main", "gbufferD");
+				path.bindTarget("gbufferD1", "gbufferD");
 				#end
 
 				path.drawMeshes("refraction");

leenkx/blender/lnx/make_renderpath.py

@@ -266,6 +266,8 @@ def build():
                 wrd.compo_defs += '_CSharpen'
             if lnx.utils.get_active_scene().view_settings.exposure != 0.0:
                 wrd.compo_defs += '_CExposure'
+            if lnx.utils.get_active_scene().view_settings.gamma != 1.0:
+                wrd.compo_defs += '_CGamma'
             if rpdat.lnx_fog:
                 wrd.compo_defs += '_CFog'
                 compo_depth = True
@@ -568,7 +570,8 @@ def get_num_gbuffer_rts_deferred()-> int:
 
     for flag in ('_gbuffer2', '_EmissionShaded', '_SSRefraction', '_VoxelRefract', '_ClearCoat'):
         if flag in wrd.world_defs:
-            if flag in refraction_flags and not found_refraction_flag:
+            if flag in refraction_flags:
+                if not found_refraction_flag:
                     num += 1
                     found_refraction_flag = True
             else:

leenkx/blender/lnx/material/cycles.py

@@ -288,10 +288,16 @@ def parse_material_output(node: bpy.types.Node, custom_particle_node: bpy.types.
         wrd.world_defs += '_EmissionShaded'
         lnx.assets.add_khafile_def('rp_gbuffer_emission')
 
+    disp_geom, disp_bump = disp_mode(node)
+    disp_active = parse_displacement and node.inputs[2].is_linked and (disp_geom != 'off' or disp_bump)
+
     # Surface
     if parse_surface or parse_opacity:
         state.parents = []
         state.parsed = set()
+        state.parsing = set()
+        state.node_uids = {}
+        state.node_uids_used = set()
         state.normal_parsed = False
         curshader = state.frag
         state.curshader = curshader
@@ -305,6 +311,29 @@ def parse_material_output(node: bpy.types.Node, custom_particle_node: bpy.types.
         out_opacity = outs[5]
         out_ior = outs[6]
         out_emission_col = outs[7]
+
+        if parse_surface and not state.basecol_only and disp_active and disp_bump:
+            state.dxdy_scale = '0.1'
+            out_disp = parse_displacement_input(node.inputs[2])
+            state.current_pass = ParserPass.DX_SCREEN_SPACE
+            out_disp_dx = parse_displacement_input(node.inputs[2])
+            state.current_pass = ParserPass.DY_SCREEN_SPACE
+            out_disp_dy = parse_displacement_input(node.inputs[2])
+            state.current_pass = ParserPass.REGULAR
+            state.dxdy_scale = '1.0'
+            curshader.write('vec3 disp = {0};'.format(out_disp))
+            curshader.write('vec3 disp_dx = {0};'.format(out_disp_dx))
+            curshader.write('vec3 disp_dy = {0};'.format(out_disp_dy))
+            curshader.write('float bump_h = dot(disp, n);')
+            curshader.write('vec2 bump_dHd = vec2(dot(disp_dx, n + {0}), dot(disp_dy, n + {1})) - bump_h;'.format(dfdx_fine('n'), dfdy_fine('n')))
+            curshader.write('vec3 bump_dPdx = {0};'.format(dfdx_fine('wposition')))
+            curshader.write('vec3 bump_dPdy = {0};'.format(dfdy_fine('wposition')))
+            curshader.write('vec3 bump_Rx = cross(bump_dPdy, n);')
+            curshader.write('vec3 bump_Ry = cross(n, bump_dPdx);')
+            curshader.write('float bump_det = dot(bump_dPdx, bump_Rx);')
+            curshader.write('vec3 bump_surfgrad = bump_dHd.x * bump_Rx + bump_dHd.y * bump_Ry;')
+            curshader.write('float bump_facing = gl_FrontFacing ? 1.0 : -1.0;')
+            curshader.write('n = normalize(0.1 * abs(bump_det) * n - bump_facing * sign(bump_det) * bump_surfgrad);')
         if parse_surface:
             curshader.write(f'basecol = {out_basecol};')
             curshader.write(f'roughness = {out_roughness};')
@@ -347,13 +376,14 @@ def parse_material_output(node: bpy.types.Node, custom_particle_node: bpy.types.
     # Volume
     # parse_volume_input(node.inputs[1])
 
-    # Displacement
+    if disp_active and disp_geom != 'off':
-    if parse_displacement and disp_enabled() and node.inputs[2].is_linked:
         state.parents = []
         state.parsed = set()
+        state.parsing = set()
+        state.node_uids = {}
+        state.node_uids_used = set()
         state.normal_parsed = False
-        rpdat = lnx.utils.get_rp()
+        if disp_geom == 'tessellation' and state.tese is not None:
-        if rpdat.lnx_rp_displacement == 'Tessellation' and state.tese is not None:
             state.curshader = state.tese
         else:
             state.curshader = state.vert
@@ -361,9 +391,12 @@ def parse_material_output(node: bpy.types.Node, custom_particle_node: bpy.types.
         state.curshader.write('vec3 disp = {0};'.format(out_disp))
 
     if custom_particle_node is not None:
-        if not (parse_displacement and disp_enabled() and node.inputs[2].is_linked):
+        if not (disp_active and disp_geom != 'off'):
             state.parents = []
             state.parsed = set()
+            state.parsing = set()
+            state.node_uids = {}
+            state.node_uids_used = set()
         state.normal_parsed = False
 
         state.curshader = state.vert
@@ -511,6 +544,9 @@ def parse_displacement_input(inp):
         l = inp.links[0]
         if l.from_node.type == 'REROUTE':
             return parse_displacement_input(l.from_node.inputs[0])
+        if l.from_socket.type in ('VALUE', 'INT', 'BOOLEAN'):
+            nor = 'n' if state.curshader.shader_type == 'frag' else 'wnormal'
+            return '{0} * vec3({1})'.format(nor, parse_value_input(inp))
         return parse_vector_input(inp)
     else:
         return None
@@ -527,7 +563,7 @@ def parse_vector_input(inp: bpy.types.NodeSocket) -> vec3str:
         st = link.from_socket.type
         if st in ('RGB', 'RGBA', 'VECTOR'):
             return res_var
-        elif st in ('VALUE', 'INT'):
+        elif st in ('VALUE', 'INT', 'BOOLEAN'):
             return f'vec3({res_var})'
         else:
             log.warn(f'Node tree "{tree_name()}": socket "{link.from_socket.name}" of node "{link.from_node.name}" cannot be connected to a vector-like socket')
@@ -572,6 +608,7 @@ def parse_vector(node: bpy.types.Node, socket: bpy.types.NodeSocket) -> str:
         'HUE_SAT',
         'INVERT',
         'MIX',
+        'MIX_RGB',
         'BLACKBODY',
         'VALTORGB',
         'CURVE_VEC',
@@ -590,6 +627,8 @@ def parse_vector(node: bpy.types.Node, socket: bpy.types.NodeSocket) -> str:
         'TANGENT',
         'TEX_COORD',
         'UVMAP',
+        'VOLUME_INFO',
+        'BEVEL',
         'BUMP',
         'MAPPING',
         'NORMAL',
@@ -658,7 +697,8 @@ def parse_normal_map_color_input(inp, strength_input=None, space='TANGENT'):
             frag.write(f'vec3 texn = ({color_val}) * 2.0 - 1.0;')
             if strength != '1.0':
                 frag.write(f'texn.xy *= {strength};')
-            frag.write('n = normalize(TBN * texn);')
+            frag.write('vec3 bitan = cross(n, TBN[0]) * sign(dot(cross(n, TBN[0]), TBN[1]));')
+            frag.write('n = normalize(mat3(TBN[0], bitan, n) * texn);')
             state.con.add_elem('tang', 'short4norm')
 
     elif space in ['OBJECT', 'BLENDER_OBJECT']:
@@ -691,10 +731,8 @@ def parse_value_input(inp: bpy.types.NodeSocket) -> floatstr:
         if socket_type in ('RGB', 'RGBA', 'VECTOR'):
             # RGB to BW
             return rgb_to_bw(res_var)
-        elif socket_type in ('VALUE', 'INT'):
+        elif socket_type in ('VALUE', 'INT', 'BOOLEAN'):
             return res_var
-        elif socket_type == 'BOOLEAN':
-            return f'({res_var} ? 1.0 : 0.0)'
         else:
             log.warn(f'Node tree "{tree_name()}": socket "{link.from_socket.name}" of node "{link.from_node.name}" cannot be connected to a scalar value socket')
             return '0.0'
@@ -745,6 +783,7 @@ def parse_value(node, socket):
         'SEPXYZ',
         'VECT_MATH',
         'MAP_RANGE',
+        'VOLUME_INFO',
     )
 
     if node.type in supported_node_types:
@@ -811,7 +850,7 @@ def is_parsed(node_store_name: str):
 def res_var_name(node: bpy.types.Node, socket: bpy.types.NodeSocket) -> str:
     """Return the name of the variable that stores the parsed result
     from the given node and socket."""
-    name = node_name(node.name) + '_' + safesrc(socket.name) + '_res'
+    name = node_uid(node) + '_' + safesrc(socket.name) + '_res'
     if '__' in name:  # Consecutive _ are reserved
         name = name.replace('_', '_x')
     return name
@@ -821,15 +860,17 @@ def write_result(link: bpy.types.NodeLink) -> Optional[str]:
     """Write the parsed result of the given node link to the shader."""
     res_var = res_var_name(link.from_node, link.from_socket)
 
-    need_dxdy_offset = node_need_reevaluation_for_screenspace_derivative(link.from_node)
+    need_dxdy_offset = node_need_reevaluation_for_screenspace_derivative(link.from_node, link.from_socket)
     if need_dxdy_offset:
         res_var += state.get_parser_pass_suffix()
 
     # Unparsed node
     if not is_parsed(res_var):
         state.parsed.add(res_var)
+        state.parsing.add(res_var)
         st = link.from_socket.type
 
+        try:
             if st in ('RGB', 'RGBA', 'VECTOR'):
                 res = parse_vector(link.from_node, link.from_socket)
                 if res is None:
@@ -837,7 +878,7 @@ def write_result(link: bpy.types.NodeLink) -> Optional[str]:
                     return None
                 state.curshader.write(f'vec3 {res_var} = {res};')
 
-        elif st == 'VALUE':
+            elif st in ('VALUE', 'INT', 'BOOLEAN'):
                 res = parse_value(link.from_node, link.from_socket)
                 if res is None:
                     log.error(f'{link.from_node.name} returned `None` while parsing!')
@@ -847,10 +888,19 @@ def write_result(link: bpy.types.NodeLink) -> Optional[str]:
                 else:
                     state.curshader.write(f'float {res_var} = {res};')
 
+            else:
+                state.curshader.write(f'float {res_var} = 0.0;')
+        finally:
+            state.parsing.discard(res_var)
+
         if state.dxdy_varying_input_value:
             state.curshader.write(f'{res_var} = {apply_screenspace_derivative_offset_if_required(res_var)};')
             state.dxdy_varying_input_value = False
 
+    elif res_var in state.parsing:
+        log.warn(f'Node tree "{tree_name()}": cyclic dependency on node "{link.from_node.name}" ({res_var}); a node cannot depend on itself. Check the node group for a feedback loop.')
+        return 'vec3(0.0)' if link.from_socket.type in ('RGB', 'RGBA', 'VECTOR') else '0.0'
+
     # Normal map already parsed, return
     elif link.from_node.type == 'NORMAL_MAP':
         return None
@@ -877,7 +927,7 @@ def to_uniform(inp: bpy.types.NodeSocket):
 
 
 def store_var_name(node: bpy.types.Node) -> str:
-    name = node_name(node.name)
+    name = node_uid(node)
     if name[-1] == "_":
         return name + '_x_store'  # Prevent consecutive __
     return name + '_store'
@@ -919,7 +969,7 @@ def texture_store(node, tex, tex_name, to_linear=False, unpremultiply=False, tex
             nor = 'TBN[2]'
         else:
             nor = 'n'
-        blend = getattr(node, 'projection_blend', 0.0)
+        blend = node.projection_blend
         curshader.write('vec4 {0} = boxProjection({1}, {2}, {3}, clamp({4}, 0.0, 1.0));'.format(tex_store, tex_name, nor, uv_name, blend))
     elif spherical:
         if not curshader.has_include('std/mapping.glsl'):
@@ -951,17 +1001,48 @@ def apply_screenspace_derivative_offset_if_required(coords: str) -> str:
     # Derivative functions are only available in fragment shaders
     if state.curshader.shader_type == 'frag':
         if state.current_pass == ParserPass.DX_SCREEN_SPACE:
-            coords = f'({coords}) + {dfdx_fine(coords)}'
+            coords = f'({coords}) + {dfdx_fine(coords)} * ({state.dxdy_scale})'
         elif state.current_pass == ParserPass.DY_SCREEN_SPACE:
-            coords = f'({coords}) + {dfdy_fine(coords)}'
+            coords = f'({coords}) + {dfdy_fine(coords)} * ({state.dxdy_scale})'
 
     return '(' + coords + ')'
 
 
-def node_need_reevaluation_for_screenspace_derivative(node: bpy.types.Node) -> bool:
+def node_need_reevaluation_for_screenspace_derivative(
+        node: bpy.types.Node,
+        socket: Optional[bpy.types.NodeSocket] = None,
+        parents: Tuple[bpy.types.Node, ...] = (),
+) -> bool:
     if state.current_pass not in (ParserPass.DX_SCREEN_SPACE, ParserPass.DY_SCREEN_SPACE):
         return False
 
+    if node.type == 'GROUP':
+        output_node = node_by_type(node.node_tree.nodes, 'GROUP_OUTPUT')
+        if output_node is None:
+            return False
+        if socket is not None:
+            index = socket_index(node, socket)
+            inputs = [output_node.inputs[index]] if index is not None and index < len(output_node.inputs) else []
+        else:
+            inputs = output_node.inputs
+        for inp in inputs:
+            c_node, c_socket = lnx.node_utils.input_get_connected_node(inp)
+            if c_node is not None and node_need_reevaluation_for_screenspace_derivative(c_node, c_socket, parents + (node,)):
+                return True
+        return False
+
+    if node.type == 'GROUP_INPUT':
+        if socket is None or len(parents) == 0:
+            return False
+        index = socket_index(node, socket)
+        parent = parents[-1]
+        if index is None or index >= len(parent.inputs):
+            return False
+        c_node, c_socket = lnx.node_utils.input_get_connected_node(parent.inputs[index])
+        if c_node is None:
+            return False
+        return node_need_reevaluation_for_screenspace_derivative(c_node, c_socket, parents[:-1])
+
     should_compute_offset = node_meta.get_node_meta(node).compute_dxdy_variants
 
     if should_compute_offset == node_meta.ComputeDXDYVariant.ALWAYS:
@@ -971,11 +1052,11 @@ def node_need_reevaluation_for_screenspace_derivative(node: bpy.types.Node) -> b
 
     # ComputeDXDYVariant.DYNAMIC
     for inp in node.inputs:
-        c_node, _ = lnx.node_utils.input_get_connected_node(inp)
+        c_node, c_socket = lnx.node_utils.input_get_connected_node(inp)
         if c_node is None:
             continue
 
-        if node_need_reevaluation_for_screenspace_derivative(c_node):
+        if node_need_reevaluation_for_screenspace_derivative(c_node, c_socket, parents):
             return True
 
     return False
@@ -1077,6 +1158,22 @@ def node_name(s: str) -> str:
         s = s.replace('_', '_x')
     return s
 
+
+def node_uid(node: bpy.types.Node) -> str:
+    ctx = (tuple(p.as_pointer() for p in state.parents), state.curshader.write_textures > 0)
+    key = (node.as_pointer(), ctx)
+    name = state.node_uids.get(key)
+    if name is None:
+        base = node_name(node.name)
+        name = base
+        i = 1
+        while name in state.node_uids_used:
+            i += 1
+            name = f'{base}{i}' if base.endswith('_') else f'{base}_{i}'
+        state.node_uids[key] = name
+        state.node_uids_used.add(name)
+    return name
+
 ##
 
 
@@ -1256,6 +1353,32 @@ def safesrc(name):
 def disp_enabled():
     return lnx.utils.disp_enabled(lnx.make_state.target)
 
+
+def disp_mode(output_node):
+    inp = output_node.inputs[2]
+    if not inp.is_linked:
+        return ('off', False)
+    l = inp.links[0]
+    if l.from_node.type == 'GROUP' and l.from_node.node_tree.name.startswith('Leenkx PBR') and \
+            not l.from_node.inputs[7].is_linked:
+        return ('off', False)
+    mech = lnx.utils.get_rp().lnx_rp_displacement
+    if bpy.app.version >= (4, 1, 0):
+        method = mat_state.material.displacement_method
+    else:
+        method = getattr(mat_state.material.cycles, 'displacement_method', 'BUMP')
+    if mech == 'Off':
+        return ('off', False)
+    if mech == 'Bump':
+        return ('off', True)
+    if mech == 'Tessellation' and not disp_enabled():
+        log.warn('Tessellation not available on ' + lnx.make_state.target)
+        return ('off', True)
+    geom = 'tessellation' if mech == 'Tessellation' else 'vertex'
+    if method == 'BUMP':
+        return (geom, False)
+    return (geom, method in ('DISPLACEMENT', 'BOTH'))
+
 def assets_add(path):
     lnx.assets.add(path)
 

leenkx/blender/lnx/material/cycles_functions.py

@@ -1966,107 +1966,110 @@ float snoise(vec4 p) {
     p = compatible_mod(p, 100000.0) + precision_correction;
     return 0.8344 * noise_perlin(p);
 }
+"""
 
-#define DEFINE_NOISE_FRACTAL(T) \\\
+# Fractal noise variants, emitted on demand per coordinate type.
-float noise_fbm(T co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) { \\\
+# @T@ is replaced by the coordinate type (float/vec2/vec3/vec4).
-    T p = co; \\\
+str_tex_noise_fbm = """float noise_fbm(@T@ co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) {
-    float fscale = 1.0; \\\
+    @T@ p = co;
-    float amp = 1.0; \\\
+    float fscale = 1.0;
-    float maxamp = 0.0; \\\
+    float amp = 1.0;
-    float sum = 0.0; \\\
+    float maxamp = 0.0;
-    for (int i = 0; i <= int(detail); i++) { \\\
+    float sum = 0.0;
-        float t = snoise(fscale * p); \\\
+    for (int i = 0; i <= int(detail); i++) {
-        sum += t * amp; \\\
+        float t = snoise(fscale * p);
-        maxamp += amp; \\\
+        sum += t * amp;
-        amp *= roughness; \\\
+        maxamp += amp;
-        fscale *= lacunarity; \\\
+        amp *= roughness;
-    } \\\
+        fscale *= lacunarity;
-    float rmd = detail - floor(detail); \\\
+    }
-    if (rmd != 0.0) { \\\
+    float rmd = detail - floor(detail);
-        float t = snoise(fscale * p); \\\
+    if (rmd != 0.0) {
-        float sum2 = sum + t * amp; \\\
+        float t = snoise(fscale * p);
-        return normalize ? mix(0.5 * sum / maxamp + 0.5, 0.5 * sum2 / (maxamp + amp) + 0.5, rmd) : mix(sum, sum2, rmd); \\\
+        float sum2 = sum + t * amp;
-    } else { \\\
+        return normalize ? mix(0.5 * sum / maxamp + 0.5, 0.5 * sum2 / (maxamp + amp) + 0.5, rmd) : mix(sum, sum2, rmd);
-        return normalize ? 0.5 * sum / maxamp + 0.5 : sum; \\\
+    } else {
-    } \\\
+        return normalize ? 0.5 * sum / maxamp + 0.5 : sum;
-} \\\
+    }
-float noise_multi_fractal(T co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) { \\\
+}"""
-    T p = co; \\\
-    float value = 1.0; \\\
-    float pwr = 1.0; \\\
-    for (int i = 0; i <= int(detail); i++) { \\\
-        value *= (pwr * snoise(p) + 1.0); \\\
-        pwr *= roughness; \\\
-        p *= lacunarity; \\\
-    } \\\
-    float rmd = detail - floor(detail); \\\
-    if (rmd != 0.0) { \\\
-        value *= (rmd * pwr * snoise(p) + 1.0); \\\
-    } \\\
-    return value; \\\
-} \\\
-float noise_hetero_terrain(T co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) { \\\
-    T p = co; \\\
-    float pwr = roughness; \\\
-    float value = offset + snoise(p); \\\
-    p *= lacunarity; \\\
-    for (int i = 1; i <= int(detail); i++) { \\\
-        float increment = (snoise(p) + offset) * pwr * value; \\\
-        value += increment; \\\
-        pwr *= roughness; \\\
-        p *= lacunarity; \\\
-    } \\\
-    float rmd = detail - floor(detail); \\\
-    if (rmd != 0.0) { \\\
-        float increment = (snoise(p) + offset) * pwr * value; \\\
-        value += rmd * increment; \\\
-    } \\\
-    return value; \\\
-} \\\
-float noise_hybrid_multi_fractal(T co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) { \\\
-    T p = co; \\\
-    float pwr = 1.0; \\\
-    float value = 0.0; \\\
-    float weight = 1.0; \\\
-    for (int i = 0; (weight > 0.001) && (i <= int(detail)); i++) { \\\
-        if (weight > 1.0) weight = 1.0; \\\
-        float signal = (snoise(p) + offset) * pwr; \\\
-        pwr *= roughness; \\\
-        value += weight * signal; \\\
-        weight *= gain * signal; \\\
-        p *= lacunarity; \\\
-    } \\\
-    float rmd = detail - floor(detail); \\\
-    if ((rmd != 0.0) && (weight > 0.001)) { \\\
-        if (weight > 1.0) weight = 1.0; \\\
-        float signal = (snoise(p) + offset) * pwr; \\\
-        value += rmd * weight * signal; \\\
-    } \\\
-    return value; \\\
-} \\\
-float noise_ridged_multi_fractal(T co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) { \\\
-    T p = co; \\\
-    float pwr = roughness; \\\
-    float signal = offset - abs(snoise(p)); \\\
-    signal *= signal; \\\
-    float value = signal; \\\
-    float weight = 1.0; \\\
-    for (int i = 1; i <= int(detail); i++) { \\\
-        p *= lacunarity; \\\
-        weight = clamp(signal * gain, 0.0, 1.0); \\\
-        signal = offset - abs(snoise(p)); \\\
-        signal *= signal; \\\
-        signal *= weight; \\\
-        value += signal * pwr; \\\
-        pwr *= roughness; \\\
-    } \\\
-    return value; \\\
-}
 
-DEFINE_NOISE_FRACTAL(float)
+str_tex_noise_multi_fractal = """float noise_multi_fractal(@T@ co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) {
-DEFINE_NOISE_FRACTAL(vec2)
+    @T@ p = co;
-DEFINE_NOISE_FRACTAL(vec3)
+    float value = 1.0;
-DEFINE_NOISE_FRACTAL(vec4)
+    float pwr = 1.0;
+    for (int i = 0; i <= int(detail); i++) {
+        value *= (pwr * snoise(p) + 1.0);
+        pwr *= roughness;
+        p *= lacunarity;
+    }
+    float rmd = detail - floor(detail);
+    if (rmd != 0.0) {
+        value *= (rmd * pwr * snoise(p) + 1.0);
+    }
+    return value;
+}"""
+
+str_tex_noise_hetero_terrain = """float noise_hetero_terrain(@T@ co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) {
+    @T@ p = co;
+    float pwr = roughness;
+    float value = offset + snoise(p);
+    p *= lacunarity;
+    for (int i = 1; i <= int(detail); i++) {
+        float increment = (snoise(p) + offset) * pwr * value;
+        value += increment;
+        pwr *= roughness;
+        p *= lacunarity;
+    }
+    float rmd = detail - floor(detail);
+    if (rmd != 0.0) {
+        float increment = (snoise(p) + offset) * pwr * value;
+        value += rmd * increment;
+    }
+    return value;
+}"""
+
+str_tex_noise_hybrid_multi_fractal = """float noise_hybrid_multi_fractal(@T@ co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) {
+    @T@ p = co;
+    float pwr = 1.0;
+    float value = 0.0;
+    float weight = 1.0;
+    for (int i = 0; (weight > 0.001) && (i <= int(detail)); i++) {
+        if (weight > 1.0) weight = 1.0;
+        float signal = (snoise(p) + offset) * pwr;
+        pwr *= roughness;
+        value += weight * signal;
+        weight *= gain * signal;
+        p *= lacunarity;
+    }
+    float rmd = detail - floor(detail);
+    if ((rmd != 0.0) && (weight > 0.001)) {
+        if (weight > 1.0) weight = 1.0;
+        float signal = (snoise(p) + offset) * pwr;
+        value += rmd * weight * signal;
+    }
+    return value;
+}"""
+
+str_tex_noise_ridged_multi_fractal = """float noise_ridged_multi_fractal(@T@ co, float detail, float roughness, float lacunarity, float offset, float gain, bool normalize) {
+    @T@ p = co;
+    float pwr = roughness;
+    float signal = offset - abs(snoise(p));
+    signal *= signal;
+    float value = signal;
+    float weight = 1.0;
+    for (int i = 1; i <= int(detail); i++) {
+        p *= lacunarity;
+        weight = clamp(signal * gain, 0.0, 1.0);
+        signal = offset - abs(snoise(p));
+        signal *= signal;
+        signal *= weight;
+        value += signal * pwr;
+        pwr *= roughness;
+    }
+    return value;
+}"""
+
+str_tex_noise += """
 
 float random_float_offset(float seed) { return 100.0 + hash_float_to_float(seed) * 100.0; }
 vec2 random_vec2_offset(float seed) { return vec2(100.0 + hash_vec2_to_float(vec2(seed, 0.0)) * 100.0, 100.0 + hash_vec2_to_float(vec2(seed, 1.0)) * 100.0); }
@@ -2193,6 +2196,43 @@ vec3 hue_sat(const vec3 col, const vec4 shift) {
 }
 """
 
+str_mix_hsv = """
+vec3 mix_hue(const float fac, const vec3 col1, const vec3 col2) {
+    vec3 hsv2 = rgb_to_hsv(col2);
+    if (hsv2.y != 0.0) {
+        vec3 hsv = rgb_to_hsv(col1);
+        hsv.x = hsv2.x;
+        return mix(col1, hsv_to_rgb(hsv), fac);
+    }
+    return col1;
+}
+vec3 mix_sat(const float fac, const vec3 col1, const vec3 col2) {
+    vec3 hsv = rgb_to_hsv(col1);
+    if (hsv.y != 0.0) {
+        vec3 hsv2 = rgb_to_hsv(col2);
+        hsv.y = mix(hsv.y, hsv2.y, fac);
+        return hsv_to_rgb(hsv);
+    }
+    return col1;
+}
+vec3 mix_val(const float fac, const vec3 col1, const vec3 col2) {
+    vec3 hsv = rgb_to_hsv(col1);
+    vec3 hsv2 = rgb_to_hsv(col2);
+    hsv.z = mix(hsv.z, hsv2.z, fac);
+    return hsv_to_rgb(hsv);
+}
+vec3 mix_color(const float fac, const vec3 col1, const vec3 col2) {
+    vec3 hsv2 = rgb_to_hsv(col2);
+    if (hsv2.y != 0.0) {
+        vec3 hsv = rgb_to_hsv(col1);
+        hsv.x = hsv2.x;
+        hsv.y = hsv2.y;
+        return mix(col1, hsv_to_rgb(hsv), fac);
+    }
+    return col1;
+}
+"""
+
 # https://twitter.com/Donzanoid/status/903424376707657730
 str_wavelength_to_rgb = """
 vec3 wavelength_to_rgb(const float t) {

leenkx/blender/lnx/material/cycles_nodes/nodes_color.py

@@ -97,59 +97,76 @@ def _parse_mixrgb(node: bpy.types.ShaderNodeMixRGB, out_socket: bpy.types.NodeSo
     col1 = c.parse_vector_input(node.inputs[6])
     col2 = c.parse_vector_input(node.inputs[7])
 
-    # Store factor in variable for linked factor input
+    fac = _mixrgb_fac(node, state)
-    if node.inputs[0].is_linked:
-        fac = c.node_name(node.name) + '_fac' + state.get_parser_pass_suffix()
-        state.curshader.write('float {0} = {1};'.format(fac, c.parse_value_input(node.inputs[0])))
-    else:
-        fac = c.parse_value_input(node.inputs[0])
-
     if node.clamp_factor:
         fac = f'clamp({fac}, 0.0, 1.0)'
 
     # TODO: Do not mix if factor is constant 0.0 or 1.0?
 
-    blend = node.blend_type
+    out_col = _mixrgb_blend(col1, col2, fac, node.blend_type, state)
+    if node.clamp_result:
+        return 'clamp({0}, vec3(0.0), vec3(1.0))'.format(out_col)
+    return out_col
+
+
+def _mixrgb_blend(col1: vec3str, col2: vec3str, fac: str, blend: str, state: ParserState) -> vec3str:
     if blend == 'MIX':
-        out_col = 'mix({0}, {1}, {2})'.format(col1, col2, fac)
+        return 'mix({0}, {1}, {2})'.format(col1, col2, fac)
     elif blend == 'ADD':
-        out_col = 'mix({0}, {0} + {1}, {2})'.format(col1, col2, fac)
+        return 'mix({0}, {0} + {1}, {2})'.format(col1, col2, fac)
     elif blend == 'MULTIPLY':
-        out_col = 'mix({0}, {0} * {1}, {2})'.format(col1, col2, fac)
+        return 'mix({0}, {0} * {1}, {2})'.format(col1, col2, fac)
     elif blend == 'SUBTRACT':
-        out_col = 'mix({0}, {0} - {1}, {2})'.format(col1, col2, fac)
+        return 'mix({0}, {0} - {1}, {2})'.format(col1, col2, fac)
     elif blend == 'SCREEN':
-        out_col = 'mix({0}, vec3(1.0) - (vec3(1.0) - {0}) * (vec3(1.0) - {1}), {2})'.format(col1, col2, fac)
+        return 'mix({0}, vec3(1.0) - (vec3(1.0) - {0}) * (vec3(1.0) - {1}), {2})'.format(col1, col2, fac)
     elif blend == 'DIVIDE':
-        out_col = 'mix({0}, {0} / max({1}, vec3(0.000001)), {2})'.format(col1, col2, fac)
+        return 'mix({0}, {0} / max({1}, vec3(0.000001)), {2} * vec3(notEqual({1}, vec3(0.0))))'.format(col1, col2, fac)
     elif blend == 'DIFFERENCE':
-        out_col = 'mix({0}, abs({0} - {1}), {2})'.format(col1, col2, fac)
+        return 'mix({0}, abs({0} - {1}), {2})'.format(col1, col2, fac)
     elif blend == 'DARKEN':
-        out_col = 'mix({0}, min({0}, {1}), {2})'.format(col1, col2, fac)
+        return 'mix({0}, min({0}, {1}), {2})'.format(col1, col2, fac)
     elif blend == 'LIGHTEN':
-        out_col = 'mix({0}, max({0}, {1}), {2})'.format(col1, col2, fac)
+        return 'mix({0}, max({0}, {1}), {2})'.format(col1, col2, fac)
     elif blend == 'OVERLAY':
         overlay = 'vec3({0}.r < 0.5 ? 2.0 * {0}.r * {1}.r : 1.0 - 2.0 * (1.0 - {0}.r) * (1.0 - {1}.r), {0}.g < 0.5 ? 2.0 * {0}.g * {1}.g : 1.0 - 2.0 * (1.0 - {0}.g) * (1.0 - {1}.g), {0}.b < 0.5 ? 2.0 * {0}.b * {1}.b : 1.0 - 2.0 * (1.0 - {0}.b) * (1.0 - {1}.b))'.format(col1, col2)
-        out_col = 'mix({0}, {1}, {2})'.format(col1, overlay, fac)
+        return 'mix({0}, {1}, {2})'.format(col1, overlay, fac)
     elif blend == 'DODGE':
-        dodge = '{0} / max(vec3(1.0) - {1}, vec3(0.000001))'.format(col1, col2)
+        return 'clamp({0} / max(vec3(1.0) - {2} * {1}, vec3(0.000001)), vec3(0.0), vec3(1.0))'.format(col1, col2, fac)
-        out_col = 'mix({0}, {1}, {2})'.format(col1, dodge, fac)
     elif blend == 'BURN':
-        burn = 'vec3(1.0) - (vec3(1.0) - {0}) / max({1}, vec3(0.000001))'.format(col1, col2)
+        return 'clamp(vec3(1.0) - (vec3(1.0) - {0}) / max(vec3(1.0 - {2}) + {2} * {1}, vec3(0.000001)), vec3(0.0), vec3(1.0))'.format(col1, col2, fac)
-        out_col = 'mix({0}, {1}, {2})'.format(col1, burn, fac)
     elif blend == 'SOFT_LIGHT':
         soft = '(vec3(1.0) - {1}) * {0} * {0} + {1} * (2.0 * {0} * (vec3(1.0) - {0}) + sqrt({0}) * (2.0 * {0} - vec3(1.0)))'.format(col1, col2)
-        out_col = 'mix({0}, {1}, {2})'.format(col1, soft, fac)
+        return 'mix({0}, {1}, {2})'.format(col1, soft, fac)
     elif blend == 'LINEAR_LIGHT':
         linear = '{0} + 2.0 * {1} - vec3(1.0)'.format(col1, col2)
-        out_col = 'mix({0}, {1}, {2})'.format(col1, linear, fac)
+        return 'mix({0}, {1}, {2})'.format(col1, linear, fac)
+    elif blend == 'EXCLUSION':
+        return 'max(mix({0}, {0} + {1} - 2.0 * {0} * {1}, {2}), vec3(0.0))'.format(col1, col2, fac)
     elif blend in ['HUE', 'SATURATION', 'COLOR', 'VALUE']:
-        out_col = 'mix({0}, {1}, {2})'.format(col1, col2, fac)
+        state.curshader.add_function(c_functions.str_hue_sat)
+        state.curshader.add_function(c_functions.str_mix_hsv)
+        func = {'HUE': 'mix_hue', 'SATURATION': 'mix_sat', 'COLOR': 'mix_color', 'VALUE': 'mix_val'}[blend]
+        return '{3}({2}, {0}, {1})'.format(col1, col2, fac, func)
     else:
-        log.warn(f'MixRGB node: unsupported blend type {node.blend_type}.')
+        log.warn(f'MixRGB node: unsupported blend type {blend}.')
-        out_col = col1
+        return col1
 
-    if node.clamp_result:
+
+def _mixrgb_fac(node: bpy.types.Node, state: ParserState) -> str:
+    if node.inputs[0].is_linked:
+        fac = c.node_uid(node) + '_fac' + state.get_parser_pass_suffix()
+        state.curshader.write('float {0} = {1};'.format(fac, c.parse_value_input(node.inputs[0])))
+        return fac
+    return c.parse_value_input(node.inputs[0])
+
+
+def parse_mixrgb(node: bpy.types.ShaderNodeMixRGB, out_socket: bpy.types.NodeSocket, state: ParserState) -> vec3str:
+    col1 = c.parse_vector_input(node.inputs[1])
+    col2 = c.parse_vector_input(node.inputs[2])
+    fac = f'clamp({_mixrgb_fac(node, state)}, 0.0, 1.0)'
+    out_col = _mixrgb_blend(col1, col2, fac, node.blend_type, state)
+    if node.use_clamp:
         return 'clamp({0}, vec3(0.0), vec3(1.0))'.format(out_col)
     return out_col
 
@@ -158,7 +175,7 @@ def parse_curvergb(node: bpy.types.ShaderNodeRGBCurve, out_socket: bpy.types.Nod
     fac = c.parse_value_input(node.inputs[0])
     vec = c.parse_vector_input(node.inputs[1])
     curves = node.mapping.curves
-    name = c.node_name(node.name)
+    name = c.node_uid(node)
     # mapping.curves[0].points[0].handle_type
     return '(sqrt(vec3({0}, {1}, {2}) * vec3({4}, {5}, {6})) * {3})'.format(
         c.vector_curve(name + '0', vec + '.x', curves[0].points), c.vector_curve(name + '1', vec + '.y', curves[1].points), c.vector_curve(name + '2', vec + '.z', curves[2].points), fac,

leenkx/blender/lnx/material/cycles_nodes/nodes_converter.py

@@ -89,7 +89,7 @@ def parse_valtorgb(node: bpy.types.ShaderNodeValToRGB, out_socket: bpy.types.Nod
     elems = node.color_ramp.elements
 
     use_color_out = out_socket == node.outputs[0]
-    ramp_store = c.node_name(node.name) + '_res' + state.get_parser_pass_suffix()
+    ramp_store = c.node_uid(node) + '_res' + state.get_parser_pass_suffix()
 
     if c.is_parsed(ramp_store):
         return f'{ramp_store}.rgb' if use_color_out else f'{ramp_store}.a'
@@ -100,26 +100,26 @@ def parse_valtorgb(node: bpy.types.ShaderNodeValToRGB, out_socket: bpy.types.Nod
         state.parsed.add(ramp_store)
         return f'{ramp_store}.rgb' if use_color_out else f'{ramp_store}.a'
 
-    cols_var = c.node_name(node.name).upper() + '_COLS'
+    cols_var = c.node_uid(node).upper() + '_COLS'
     if state.current_pass == ParserPass.REGULAR:
         cols_entries = ', '.join(f'vec4({e.color[0]}, {e.color[1]}, {e.color[2]}, {e.color[3]})' for e in elems)
         cols_entries += f', vec4({elems[-1].color[0]}, {elems[-1].color[1]}, {elems[-1].color[2]}, {elems[-1].color[3]})'
         state.curshader.add_const("vec4", cols_var, cols_entries, array_size=len(elems) + 1)
 
-    fac_var = c.node_name(node.name) + '_fac' + state.get_parser_pass_suffix()
+    fac_var = c.node_uid(node) + '_fac' + state.get_parser_pass_suffix()
     state.curshader.write(f'float {fac_var} = {fac};')
 
     index = '0'
     for i in range(1, len(elems)):
         index += f' + ({fac_var} > {elems[i].position} ? 1 : 0)'
 
-    index_var = c.node_name(node.name) + '_i' + state.get_parser_pass_suffix()
+    index_var = c.node_uid(node) + '_i' + state.get_parser_pass_suffix()
     state.curshader.write(f'int {index_var} = {index};')
 
     if interp == 'CONSTANT':
         state.curshader.write(f'vec4 {ramp_store} = {cols_var}[{index_var}];')
     else:
-        facs_var = c.node_name(node.name).upper() + '_FACS'
+        facs_var = c.node_uid(node).upper() + '_FACS'
         if state.current_pass == ParserPass.REGULAR:
             facs_entries = ', '.join(str(e.position) for e in elems)
             facs_entries += ', 1.0'
@@ -369,7 +369,7 @@ if bpy.app.version > (3, 2, 0):
 def parse_sephsv(node: bpy.types.ShaderNodeSeparateHSV, out_socket: bpy.types.NodeSocket, state: ParserState) -> floatstr:
     state.curshader.add_function(c_functions.str_hue_sat)
 
-    hsv_var = c.node_name(node.name) + '_hsv' + state.get_parser_pass_suffix()
+    hsv_var = c.node_uid(node) + '_hsv' + state.get_parser_pass_suffix()
     if not state.curshader.contains(hsv_var):  # Already written if a second output is parsed
         state.curshader.write(f'const vec3 {hsv_var} = rgb_to_hsv({c.parse_vector_input(node.inputs["Color"])}.rgb);')
 

leenkx/blender/lnx/material/cycles_nodes/nodes_input.py

@@ -109,7 +109,7 @@ def parse_attribute(node: bpy.types.ShaderNodeAttribute, out_socket: bpy.types.N
 
 def parse_rgb(node: bpy.types.ShaderNodeRGB, out_socket: bpy.types.NodeSocket, state: ParserState) -> vec3str:
     if node.lnx_material_param:
-        nn = 'param_' + c.node_name(node.name)
+        nn = 'param_' + c.node_uid(node)
         v = out_socket.default_value
         value = [float(v[0]), float(v[1]), float(v[2])]
         state.curshader.add_uniform(f'vec3 {nn}', link=f'{node.name}', default_value=value, is_lnx_mat_param=True)
@@ -163,7 +163,17 @@ def parse_geometry(node: bpy.types.ShaderNodeNewGeometry, out_socket: bpy.types.
     # Incoming
     elif out_socket == node.outputs[4]:
         state.dxdy_varying_input_value = True
+        if state.curshader.shader_type == 'frag':
             return 'vVec'
+        state.curshader.add_uniform('vec3 eye', link='_cameraPosition')
+        if state.curshader.shader_type == 'tese':
+            return 'normalize(eye - wposition)'
+        if state.curshader.shader_type == 'vert':
+            state.curshader.add_uniform('mat4 W', link='_worldMatrix')
+            return 'normalize(eye - (W * spos).xyz)'
+        if state.curshader.shader_type == 'tesc':
+            return 'normalize(eye - wposition[gl_InvocationID])'
+        return 'normalize(eye - wposition[0])'
     # Parametric
     elif out_socket == node.outputs[5]:
         state.dxdy_varying_input_value = True
@@ -450,7 +460,7 @@ def parse_lightpath(node: bpy.types.ShaderNodeLightPath, out_socket: bpy.types.N
 
 def parse_value(node: bpy.types.ShaderNodeValue, out_socket: bpy.types.NodeSocket, state: ParserState) -> floatstr:
     if node.lnx_material_param:
-        nn = 'param_' + c.node_name(node.name)
+        nn = 'param_' + c.node_uid(node)
         value = node.outputs[0].default_value
         is_lnx_mat_param = True
         state.curshader.add_uniform('float {0}'.format(nn), link='{0}'.format(node.name), default_value=value, is_lnx_mat_param=is_lnx_mat_param)
@@ -463,3 +473,9 @@ def parse_wireframe(node: bpy.types.ShaderNodeWireframe, out_socket: bpy.types.N
     # node.use_pixel_size
     # size = c.parse_value_input(node.inputs[0])
     return '0.0'
+
+
+def parse_volumeinfo(node: bpy.types.ShaderNodeVolumeInfo, out_socket: bpy.types.NodeSocket, state: ParserState) -> Union[floatstr, vec3str]:
+    if out_socket == node.outputs['Color']:
+        return 'vec3(0.0)'
+    return '0.0'

leenkx/blender/lnx/material/cycles_nodes/nodes_shader.py

@@ -69,10 +69,12 @@ def parse_mixshader(node: bpy.types.ShaderNodeMixShader, out_socket: NodeSocket,
             c.parse_shader_input(node.inputs[2])
             return
 
+    fac_var = c.node_uid(node) + '_fac' + state.get_parser_pass_suffix()
+    fac_inv_var = c.node_uid(node) + '_fac_inv' + state.get_parser_pass_suffix()
+    if not c.is_parsed(fac_var):
+        state.parsed.add(fac_var)
         prefix = '' if node.inputs['Fac'].is_linked else 'const '
         fac = c.parse_value_input(node.inputs['Fac'])
-    fac_var = c.node_name(node.name) + '_fac' + state.get_parser_pass_suffix()
-    fac_inv_var = c.node_name(node.name) + '_fac_inv'
         state.curshader.write('{0}float {1} = clamp({2}, 0.0, 1.0);'.format(prefix, fac_var, fac))
         state.curshader.write('{0}float {1} = 1.0 - {2};'.format(prefix, fac_inv_var, fac_var))
 
@@ -435,7 +437,7 @@ if bpy.app.version >= (2, 83, 0):
     def parse_bsdfhairprincipled(node: 'bpy.types.ShaderNodeBsdfHairPrincipled', out_socket: NodeSocket, state: ParserState) -> None:
         if state.parse_surface:
             c.write_normal(node.inputs['Normal'])
-            parametrization = getattr(node, 'parametrization', 'COLOR')
+            parametrization = node.parametrization
             if parametrization == 'COLOR':
                 color_socket = node.inputs.get('Color')
                 if color_socket is not None:
@@ -457,7 +459,7 @@ if bpy.app.version >= (2, 83, 0):
             rough_socket = node.inputs.get('Roughness')
             if rough_socket is not None:
                 state.out_roughness = c.parse_value_input(rough_socket)
-            model = getattr(node, 'model', 'CHIANG')
+            model = node.model if bpy.app.version >= (4, 0, 0) else 'CHIANG'
             if model == 'CHIANG':
                 radial_rough_socket = node.inputs.get('Radial Roughness')
                 if radial_rough_socket is not None:

leenkx/blender/lnx/material/cycles_nodes/nodes_texture.py

@@ -136,7 +136,7 @@ def parse_tex_image(node: bpy.types.ShaderNodeTexImage, out_socket: bpy.types.No
             else:
                 return f'{tex_store}.a'
 
-        tex_name = c.node_name(node.name)
+        tex_name = c.node_uid(node)
         tex = c.make_texture_from_image_node(node, tex_name)
         tex_link = None
         tex_default_file = None
@@ -259,7 +259,7 @@ def parse_tex_magic(node: bpy.types.ShaderNodeTexMagic, out_socket: bpy.types.No
 
     return res
 
-if bpy.app.version < (4, 1, 0):
+if bpy.app.version < (4, 2, 0):
     def parse_tex_musgrave(node: bpy.types.ShaderNodeTexMusgrave, out_socket: bpy.types.NodeSocket, state: ParserState) -> Union[floatstr, vec3str]:
         state.curshader.add_function(c_functions.str_tex_musgrave)
 
@@ -297,52 +297,65 @@ def parse_tex_noise(node: bpy.types.ShaderNodeTexNoise, out_socket: bpy.types.No
     gain = c.parse_value_input(node.inputs['Gain']) if 'Gain' in node.inputs else '1.0'
     distortion = c.parse_value_input(node.inputs['Distortion']) if 'Distortion' in node.inputs else '0.0'
 
-    dimensions = getattr(node, 'noise_dimensions', '3D')
+    dimensions = node.noise_dimensions
-    noise_type = getattr(node, 'noise_type', 'FBM')
+    noise_type = node.noise_type if bpy.app.version >= (4, 1, 0) else 'FBM'
-    normalize = 'true' if getattr(node, 'normalize', True) else 'false'
+    normalize = 'true' if bpy.app.version < (4, 0, 0) or node.normalize else 'false'
 
-    type_map = {
+    if noise_type == 'MULTIFRACTAL':
-        'FBM': 'noise_fbm',
+        func_name = 'noise_multi_fractal'
-        'MULTIFRACTAL': 'noise_multi_fractal',
+        fractal_src = c_functions.str_tex_noise_multi_fractal
-        'RIDGED_MULTIFRACTAL': 'noise_ridged_multi_fractal',
+    elif noise_type == 'RIDGED_MULTIFRACTAL':
-        'HYBRID_MULTIFRACTAL': 'noise_hybrid_multi_fractal',
+        func_name = 'noise_ridged_multi_fractal'
-        'HETERO_TERRAIN': 'noise_hetero_terrain'
+        fractal_src = c_functions.str_tex_noise_ridged_multi_fractal
-    }
+    elif noise_type == 'HYBRID_MULTIFRACTAL':
-    func_name = type_map.get(noise_type, 'noise_fbm')
+        func_name = 'noise_hybrid_multi_fractal'
+        fractal_src = c_functions.str_tex_noise_hybrid_multi_fractal
+    elif noise_type == 'HETERO_TERRAIN':
+        func_name = 'noise_hetero_terrain'
+        fractal_src = c_functions.str_tex_noise_hetero_terrain
+    else:
+        func_name = 'noise_fbm'
+        fractal_src = c_functions.str_tex_noise_fbm
 
-    is_color = (out_socket == node.outputs[1]) or (getattr(out_socket, 'name', '') == 'Color')
+    is_color = (out_socket == node.outputs[1]) or (out_socket.name == 'Color')
 
     if dimensions == '1D':
+        coord_type = 'float'
         p_expr = f"({w}) * ({scale})"
         dist_expr = f"({p_expr}) + snoise(({p_expr}) + random_float_offset(0.0)) * ({distortion})" if distortion != '0.0' else p_expr
-        if is_color:
+        off_a = 'random_float_offset(1.0)'
-            res = f"vec3({func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_float_offset(1.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_float_offset(2.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}))"
+        off_b = 'random_float_offset(2.0)'
-        else:
-            res = f"{func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize})"
-
     elif dimensions == '2D':
+        coord_type = 'vec2'
         p_expr = f"({co}).xy * ({scale})"
         dist_expr = f"({p_expr}) + vec2(snoise(({p_expr}) + random_vec2_offset(0.0)) * ({distortion}), snoise(({p_expr}) + random_vec2_offset(1.0)) * ({distortion}))" if distortion != '0.0' else p_expr
-        if is_color:
+        off_a = 'random_vec2_offset(2.0)'
-            res = f"vec3({func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_vec2_offset(2.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_vec2_offset(3.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}))"
+        off_b = 'random_vec2_offset(3.0)'
-        else:
-            res = f"{func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize})"
-
     elif dimensions == '4D':
+        coord_type = 'vec4'
         p_expr = f"vec4({co}, {w}) * ({scale})"
         dist_expr = f"({p_expr}) + vec4(snoise(({p_expr}) + random_vec4_offset(0.0)) * ({distortion}), snoise(({p_expr}) + random_vec4_offset(1.0)) * ({distortion}), snoise(({p_expr}) + random_vec4_offset(2.0)) * ({distortion}), snoise(({p_expr}) + random_vec4_offset(3.0)) * ({distortion}))" if distortion != '0.0' else p_expr
-        if is_color:
+        off_a = 'random_vec4_offset(4.0)'
-            res = f"vec3({func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_vec4_offset(4.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_vec4_offset(5.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}))"
+        off_b = 'random_vec4_offset(5.0)'
-        else:
-            res = f"{func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize})"
-
     else:
+        coord_type = 'vec3'
         p_expr = f"({co}) * ({scale})"
         dist_expr = f"({p_expr}) + vec3(snoise(({p_expr}) + random_vec3_offset(0.0)) * ({distortion}), snoise(({p_expr}) + random_vec3_offset(1.0)) * ({distortion}), snoise(({p_expr}) + random_vec3_offset(2.0)) * ({distortion}))" if distortion != '0.0' else p_expr
+        off_a = 'random_vec3_offset(3.0)'
+        off_b = 'random_vec3_offset(4.0)'
+
+    state.curshader.add_function('// ' + func_name + ' ' + coord_type + '\n' + fractal_src.replace('@T@', coord_type))
+
+    co_var = c.node_uid(node) + '_co' + state.get_parser_pass_suffix()
+    if not c.is_parsed(co_var):
+        state.parsed.add(co_var)
+        state.curshader.write(f'{coord_type} {co_var} = {dist_expr};')
+
+    fbm_args = f"clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}"
     if is_color:
-            res = f"vec3({func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_vec3_offset(3.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}), {func_name}(({dist_expr}) + random_vec3_offset(4.0), clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize}))"
+        res = f"vec3({func_name}({co_var}, {fbm_args}), {func_name}(({co_var}) + {off_a}, {fbm_args}), {func_name}(({co_var}) + {off_b}, {fbm_args}))"
     else:
-            res = f"{func_name}({dist_expr}, clamp({detail}, 0.0, 15.0), max({roughness}, 0.0), {lacunarity}, {offset}, {gain}, {normalize})"
+        res = f"{func_name}({co_var}, {fbm_args})"
 
     return res
 
@@ -513,7 +526,7 @@ def parse_tex_environment(node: bpy.types.ShaderNodeTexEnvironment, out_socket:
 
         state.parsed.add(tex_store)
 
-        tex_name = c.node_name(node.name)
+        tex_name = c.node_uid(node)
         tex_link = None
         tex_default_file = None
         is_lnx_mat_param = None
@@ -525,8 +538,8 @@ def parse_tex_environment(node: bpy.types.ShaderNodeTexEnvironment, out_socket:
             image,
             tex_name,
             c.mat_get_material(),
-            getattr(node, 'interpolation', 'Smart'),
+            node.interpolation,
-            getattr(node, 'extension', 'REPEAT')
+            node.extension if bpy.app.version >= (3, 1, 0) else 'REPEAT'
         )
         if tex is None:
             log.warn(f'Object "{state.tree_name}": missing environment texture image "{node.name}"')
@@ -670,6 +683,7 @@ def parse_tex_voronoi(node: bpy.types.ShaderNodeTexVoronoi, out_socket: bpy.type
         outp = 3
 
     m = 0
+    exp = '0.0'
     if node.distance == 'MANHATTAN':
         m = 1
     elif node.distance == 'CHEBYCHEV':
@@ -689,10 +703,13 @@ def parse_tex_voronoi(node: bpy.types.ShaderNodeTexVoronoi, out_socket: bpy.type
         f = 4
 
     dim = node.voronoi_dimensions
-    normalize = 1 if node.normalize else 0
+    normalize = 1 if bpy.app.version >= (4, 0, 0) and node.normalize else 0
 
     c.write_procedurals()
-    state.curshader.add_function(getattr(c_functions, f'str_tex_voronoi_{bpy.app.version[0]}'))
+    if bpy.app.version >= (5, 0, 0):
+        state.curshader.add_function(c_functions.str_tex_voronoi_5)
+    else:
+        state.curshader.add_function(c_functions.str_tex_voronoi_4)
 
     if node.inputs['Vector'].is_linked:
         co = c.get_vector_input(node, ['Vector'])
@@ -718,6 +735,7 @@ def parse_tex_voronoi(node: bpy.types.ShaderNodeTexVoronoi, out_socket: bpy.type
 def parse_tex_wave(node: bpy.types.ShaderNodeTexWave, out_socket: bpy.types.NodeSocket, state: ParserState) -> Union[floatstr, vec3str]:
     c.write_procedurals()
     state.curshader.add_function(c_functions.str_tex_noise)
+    state.curshader.add_function('// noise_fbm vec3\n' + c_functions.str_tex_noise_fbm.replace('@T@', 'vec3'))
     state.curshader.add_function(c_functions.str_tex_wave)
 
     if node.inputs['Vector'].is_linked:
@@ -735,9 +753,7 @@ def parse_tex_wave(node: bpy.types.ShaderNodeTexWave, out_socket: bpy.types.Node
 
     dir_map = {'X': 0, 'Y': 1, 'Z': 2, 'DIAGONAL': 3}
 
-    if hasattr(node, 'wave_direction'):
+    if wave_type == 0:
-        wave_dir = dir_map.get(node.wave_direction, 0)
-    elif wave_type == 0:
         wave_dir = dir_map.get(node.bands_direction, 0)
     else:
         wave_dir = dir_map.get(node.rings_direction, 0)
@@ -804,8 +820,8 @@ def parse_tex_white_noise(node: bpy.types.ShaderNodeTexWhiteNoise, out_socket: b
 
     w = c.parse_value_input(node.inputs['W']) if 'W' in node.inputs else '0.0'
 
-    dimensions = getattr(node, 'noise_dimensions', '3D')
+    dimensions = node.noise_dimensions
-    is_color = (out_socket == node.outputs[1]) or (getattr(out_socket, 'name', '') == 'Color')
+    is_color = (out_socket == node.outputs[1]) or (out_socket.name == 'Color')
 
     if dimensions == '1D':
         if is_color:

leenkx/blender/lnx/material/cycles_nodes/nodes_vector.py

@@ -28,7 +28,7 @@ def parse_curvevec(node: bpy.types.ShaderNodeVectorCurve, out_socket: bpy.types.
     fac = c.get_value_input(node, ['Fac'])
     vec = c.get_vector_input(node, ['Vector'])
     curves = node.mapping.curves
-    name = c.node_name(node.name)
+    name = c.node_uid(node)
 
     res_x = c.vector_curve(name + '0', vec + '.x', curves[0].points)
     res_y = c.vector_curve(name + '1', vec + '.y', curves[1].points)
@@ -47,33 +47,39 @@ def parse_bump(node: bpy.types.ShaderNodeBump, out_socket: bpy.types.NodeSocket,
     # Interpolation strength
     strength = c.get_value_input(node, ['Strength'])
     distance = c.get_value_input(node, ['Distance'])
+    filter_width = c.get_value_input(node, ['Filter Width']) if 'Filter Width' in node.inputs else '1.0'
     height = c.get_value_input(node, ['Height'])
 
+    prev_pass = state.current_pass
+    prev_scale = state.dxdy_scale
+    state.dxdy_scale = filter_width
     state.current_pass = ParserPass.DX_SCREEN_SPACE
     height_dx = c.get_value_input(node, ['Height'])
     state.current_pass = ParserPass.DY_SCREEN_SPACE
     height_dy = c.get_value_input(node, ['Height'])
-    state.current_pass = ParserPass.REGULAR
+    state.current_pass = prev_pass
+    state.dxdy_scale = prev_scale
 
     nor = c.get_vector_input(node, ['Normal']) if node.inputs['Normal'].is_linked else 'n'
 
     if height_dx != height or height_dy != height:
-        tangent = f'{c.dfdx_fine("wposition")} + {nor} * (({height_dx} - {height}) * {distance})'
+        name = c.node_uid(node)
-        bitangent = f'{c.dfdy_fine("wposition")} + {nor} * (({height_dy} - {height}) * {distance})'
+        if '__' in name:
-
+            name = name.replace('_', '_x')
-        # Cross-product operand order, dFdy is flipped on d3d11
+        sfx = state.get_parser_pass_suffix()
-        bitangent_first = utils.get_gapi() == 'direct3d11'
+        invert = '-1.0' if node.invert else '1.0'
-
+        w = state.curshader.write
-        if node.invert:
+        w(f'vec3 {name}_N{sfx} = normalize({nor});')
-            bitangent_first = not bitangent_first
+        w(f'float {name}_dist{sfx} = ({distance}) * (gl_FrontFacing ? {invert} : -({invert}));')
-
+        w(f'vec3 {name}_dPdx{sfx} = {c.dfdx_fine("wposition")};')
-        if bitangent_first:
+        w(f'vec3 {name}_dPdy{sfx} = {c.dfdy_fine("wposition")};')
-            # We need to normalize twice, once for the correct "weight" of the strength,
+        w(f'vec3 {name}_Rx{sfx} = cross({name}_dPdy{sfx}, {name}_N{sfx});')
-            # once for having a normalized output vector (lerping vectors does not preserve magnitude)
+        w(f'vec3 {name}_Ry{sfx} = cross({name}_N{sfx}, {name}_dPdx{sfx});')
-            res = f'normalize(mix({nor}, normalize(cross({bitangent}, {tangent})), {strength}))'
+        w(f'float {name}_det{sfx} = dot({name}_dPdx{sfx}, {name}_Rx{sfx});')
-        else:
+        w(f'vec2 {name}_dHd{sfx} = vec2({height_dx}, {height_dy}) - vec2({height});')
-            res = f'normalize(mix({nor}, normalize(cross({tangent}, {bitangent})), {strength}))'
+        w(f'vec3 {name}_surfgrad{sfx} = {name}_dHd{sfx}.x * {name}_Rx{sfx} + {name}_dHd{sfx}.y * {name}_Ry{sfx};')
-
+        w(f'vec3 {name}_res{sfx} = normalize(({filter_width}) * abs({name}_det{sfx}) * {name}_N{sfx} - {name}_dist{sfx} * sign({name}_det{sfx}) * {name}_surfgrad{sfx});')
+        res = f'normalize(mix({name}_N{sfx}, {name}_res{sfx}, max({strength}, 0.0)))'
     else:
         res = nor
 
@@ -96,7 +102,7 @@ def parse_mapping(node: bpy.types.ShaderNodeMapping, out_socket: bpy.types.NodeS
             out = f"({out} - {location})"
 
         if input_rotation.is_linked or any(v != 0.0 for v in input_rotation.default_value):
-            var_name = c.node_name(node.name) + "_rotation" + state.get_parser_pass_suffix()
+            var_name = c.node_uid(node) + "_rotation" + state.get_parser_pass_suffix()
             state.curshader.write(f"mat3 {var_name}X = mat3(1.0, 0.0, 0.0, 0.0, cos({rotation}.x), sin({rotation}.x), 0.0, -sin({rotation}.x), cos({rotation}.x));")
             state.curshader.write(f"mat3 {var_name}Y = mat3(cos({rotation}.y), 0.0, -sin({rotation}.y), 0.0, 1.0, 0.0, sin({rotation}.y), 0.0, cos({rotation}.y));")
             state.curshader.write(f"mat3 {var_name}Z = mat3(cos({rotation}.z), sin({rotation}.z), 0.0, -sin({rotation}.z), cos({rotation}.z), 0.0, 0.0, 0.0, 1.0);")
@@ -110,7 +116,7 @@ def parse_mapping(node: bpy.types.ShaderNodeMapping, out_socket: bpy.types.NodeS
             out = f"({out} * {scale})"
 
         if input_rotation.is_linked or any(v != 0.0 for v in input_rotation.default_value):
-            var_name = c.node_name(node.name) + "_rotation" + state.get_parser_pass_suffix()
+            var_name = c.node_uid(node) + "_rotation" + state.get_parser_pass_suffix()
             state.curshader.write(f"mat3 {var_name}X = mat3(1.0, 0.0, 0.0, 0.0, cos({rotation}.x), -sin({rotation}.x), 0.0, sin({rotation}.x), cos({rotation}.x));")
             state.curshader.write(f"mat3 {var_name}Y = mat3(cos({rotation}.y), 0.0, sin({rotation}.y), 0.0, 1.0, 0.0, -sin({rotation}.y), 0.0, cos({rotation}.y));")
             state.curshader.write(f"mat3 {var_name}Z = mat3(cos({rotation}.z), -sin({rotation}.z), 0.0, sin({rotation}.z), cos({rotation}.z), 0.0, 0.0, 0.0, 1.0);")
@@ -203,7 +209,8 @@ def parse_displacement(node: bpy.types.ShaderNodeDisplacement, out_socket: bpy.t
         nor = 'wnormal'
 
     if node.space == 'OBJECT':
-        nor = f'(inverse(mat3(W)) * {nor})'
+        state.curshader.add_uniform('mat4 W', link='_worldMatrix')
+        nor = f'(transpose(mat3(W)) * {nor})'
 
     disp = f'normalize({nor}) * (vec3({height}) - vec3({midlevel})) * {scale}'
 
@@ -221,12 +228,14 @@ def parse_vector_displacement(node: bpy.types.ShaderNodeVectorDisplacement, out_
     offset = f'(({vector} - vec3({midlevel})) * {scale})'
 
     if node.space == 'TANGENT':
+        state.curshader.add_uniform('mat4 W', link='_worldMatrix')
         t_obj = 'normalize(inverse(mat3(W)) * wtangent)'
-        n_obj = 'normalize(inverse(mat3(W)) * wnormal)'
+        n_obj = 'normalize(transpose(mat3(W)) * wnormal)'
         b_obj = f'normalize(cross({n_obj}, {t_obj}))'
-        disp = f'({t_obj} * {offset}.x + {n_obj} * {offset}.y + {b_obj} * {offset}.z)'
+        disp = f'({t_obj} * {offset}.x + {b_obj} * {offset}.y + {n_obj} * {offset}.z)'
         return f'(vec4(W * vec4({disp}, 0.0)).xyz)'
     elif node.space == 'OBJECT':
+        state.curshader.add_uniform('mat4 W', link='_worldMatrix')
         return f'(vec4(W * vec4({offset}, 0.0)).xyz)'
     else:
         return offset
@@ -262,3 +271,9 @@ def parse_vectorrotate(node: bpy.types.ShaderNodeVectorRotate, out_socket: bpy.t
         return f'vec3( euler_to_mat3({rot_val}) * ({input_vector} - {input_center}) + {input_center})'
 
     return f'vec3(0.0, 0.0, 0.0)'
+
+
+def parse_bevel(node: bpy.types.ShaderNodeBevel, out_socket: bpy.types.NodeSocket, state: ParserState) -> vec3str:
+    if node.inputs['Normal'].is_linked:
+        return c.get_vector_input(node, ['Normal'])
+    return 'n' if state.curshader.shader_type == 'frag' else 'wnormal'

leenkx/blender/lnx/material/make_cluster.py

@@ -46,7 +46,9 @@ def write(vert: shader.Shader, frag: shader.Shader):
             if is_transparent_shadows:
                 frag.add_uniform('samplerCube shadowMapPointTransparent[4]', included=True)
 
-    if not '_VoxelAOvar' in wrd.world_defs and not '_VoxelGI' in wrd.world_defs or ((parse_opacity or '_VoxelShadow' in wrd.world_defs) and ('_VoxelAOvar' in wrd.world_defs or '_VoxelGI' in wrd.world_defs)):
+    #if not '_VoxelAOvar' in wrd.world_defs and not '_VoxelGI' in wrd.world_defs or ((parse_opacity or '_VoxelShadow' in wrd.world_defs) and ('_VoxelAOvar' in wrd.world_defs or '_VoxelGI' in wrd.world_defs)):
+        #vert.add_out('vec4 wvpposition')
+        #vert.write('wvpposition = gl_Position;')
     vert.add_out('vec4 wvpposition')
     vert.write('wvpposition = gl_Position;')
     # wvpposition.z / wvpposition.w

leenkx/blender/lnx/material/make_depth.py

@@ -31,7 +31,8 @@ else:
 
 def make(context_id, rpasses, shadowmap=False, shadowmap_transparent=False):
 
-    is_disp = mat_utils.disp_linked(mat_state.output_node)
+    disp_geom = cycles.disp_mode(mat_state.output_node)[0]
+    is_disp = disp_geom != 'off'
 
     vs = [{'name': 'pos', 'data': 'short4norm'}]
     if is_disp or shadowmap_transparent:
@@ -116,7 +117,7 @@ def make(context_id, rpasses, shadowmap=False, shadowmap_transparent=False):
         make_particle.write(vert, shadowmap=shadowmap)
 
     if is_disp:
-        if rpdat.lnx_rp_displacement == 'Vertex':
+        if disp_geom == 'vertex':
             frag.ins = vert.outs
             vert.add_uniform('mat3 N', '_normalMatrix')
             vert.write('vec3 wnormal = normalize(N * vec3(nor.xy, pos.w));')
@@ -137,7 +138,7 @@ def make(context_id, rpasses, shadowmap=False, shadowmap_transparent=False):
             if con_depth.is_elem('col'):
                 vert.add_out('vec3 vcolor')
                 vert.write_attrib('vcolor = col.rgb;')
-            vert.write('wposition += wnormal * disp;')
+            vert.write('wposition += disp;')
             if shadowmap:
                 vert.add_uniform('mat4 LVP', '_lightViewProjectionMatrix')
                 vert.write('gl_Position = LVP * vec4(wposition, 1.0);')

leenkx/blender/lnx/material/make_mesh.py

@@ -126,10 +126,11 @@ def make_base(con_mesh, parse_opacity):
 
     vattr_written = False
     rpdat = lnx.utils.get_rp()
-    is_displacement = mat_utils.disp_linked(mat_state.output_node)
+    disp_geom = cycles.disp_mode(mat_state.output_node)[0]
+    is_displacement = disp_geom != 'off'
     wrd = bpy.data.worlds['Lnx']
     if is_displacement:
-        if rpdat.lnx_rp_displacement == 'Vertex':
+        if disp_geom == 'vertex':
             frag.ins = vert.outs
         else: # Tessellation
             tesc = con_mesh.make_tesc()
@@ -193,7 +194,7 @@ def make_base(con_mesh, parse_opacity):
             vert.write_attrib('TBN = mat3(tangent, bitangent, wnormal);')
 
     if is_displacement:
-        if rpdat.lnx_rp_displacement == 'Vertex':
+        if disp_geom == 'vertex':
             sh = vert
         else:
             sh = tese

leenkx/blender/lnx/material/make_refract.py

@@ -33,10 +33,28 @@ def make(context_id):
     frag = con_refract.frag
     tese = con_refract.tese
     frag.add_include('std/gbuffer.glsl')
-    frag.add_out('vec4 fragColor[3]')
 
     rpdat = lnx.utils.get_rp()
 
+    is_deferred = rpdat.rp_renderer == 'Deferred'
+    wrd = bpy.data.worlds['Lnx']
+    
+    idx_2 = idx_emission = idx_coat = -1
+    idx = 2
+    if '_gbuffer2' in wrd.world_defs:
+        idx_2 = idx
+        idx += 1
+    if '_EmissionShaded' in wrd.world_defs:
+        idx_emission = idx
+        idx += 1
+    idx_refraction = idx
+    idx += 1
+    if '_ClearCoat' in wrd.world_defs:
+        idx_coat = idx
+        idx += 1
+
+    frag.add_out(f'vec4 fragColor[{idx}]' if is_deferred else 'vec4 fragColor[3]')
+
     # Remove fragColor = ...;
     frag.main = frag.main[:frag.main.rfind('fragColor')]
     frag.write('\n')
@@ -53,15 +71,21 @@ def make(context_id):
     else:
         frag.write('const uint matid = 0;')
 
-    if rpdat.rp_renderer == 'Deferred':
+    if is_deferred:
         frag.write('fragColor[0] = vec4(n.xy, roughness, 1.0);')
         frag.write('vec3 finalColor = direct + indirect;')
         frag.write('fragColor[1] = vec4(finalColor * opacity, 1.0);')
+        frag.write(f'fragColor[{idx_refraction}] = vec4(packIOR(ior), 1.0 - opacity, gl_FragCoord.z, 1.0);')
+        if idx_2 >= 0:
+            frag.write(f'fragColor[{idx_2}] = vec4(0.0);')
+        if idx_emission >= 0:
+            frag.write(f'fragColor[{idx_emission}] = vec4(0.0);')
+        if idx_coat >= 0:
+            frag.write(f'fragColor[{idx_coat}] = vec4(0.0);')
     else:
         frag.write('vec3 finalColor = direct + indirect;')
         frag.write('fragColor[0] = vec4(finalColor * opacity, 1.0);')
         frag.write('fragColor[1] = vec4(n.xy, roughness, 1.0);')
-
         frag.write('fragColor[2] = vec4(packIOR(ior), 1.0 - opacity, gl_FragCoord.z, 1.0);')
     # frag.write('fragColor[2] = vec4(ior, 1.0 - opacity, packFloat2(basecol.r, basecol.g), basecol.b);')
 

leenkx/blender/lnx/material/mat_utils.py

@@ -19,8 +19,7 @@ else:
 add_mesh_contexts = []
 
 def disp_linked(output_node):
-    linked = output_node.inputs[2].is_linked
+    if not output_node.inputs[2].is_linked:
-    if not linked:
         return False
     # Leenkx PBR with unlinked height socket
     l = output_node.inputs[2].links[0]
@@ -51,7 +50,7 @@ def get_rpasses(material):
             ar.append('translucent')
         elif is_transluc(material) and not material.lnx_discard and not material.lnx_blending and rpdat.rp_ss_refraction:
             ar.append('refraction')
-        if rpdat.rp_voxels != "Off" and has_voxels:
+        if rpdat.rp_voxels != "Off" and has_voxels and rpdat.lnx_material_model == 'Full':
             ar.append('voxel')
         if rpdat.rp_renderer == 'Forward' and rpdat.rp_depthprepass and not material.lnx_blending and not material.lnx_particle_flag:
             ar.append('depth')

leenkx/blender/lnx/material/node_meta.py

@@ -143,6 +143,10 @@ ALL_NODES: Dict[str, MaterialNodeMeta] = {
         compute_dxdy_variants=ComputeDXDYVariant.NEVER
     ),
     'VERTEX_COLOR': MaterialNodeMeta(parse_func=nodes_input.parse_vertex_color),
+    'VOLUME_INFO': MaterialNodeMeta(
+        parse_func=nodes_input.parse_volumeinfo,
+        compute_dxdy_variants=ComputeDXDYVariant.NEVER
+    ),
     'WIREFRAME': MaterialNodeMeta(
         parse_func=nodes_input.parse_wireframe,
         compute_dxdy_variants=ComputeDXDYVariant.NEVER
@@ -192,6 +196,7 @@ ALL_NODES: Dict[str, MaterialNodeMeta] = {
     'TEX_WHITE_NOISE': MaterialNodeMeta(parse_func=nodes_texture.parse_tex_white_noise),
 
     # --- nodes_vector
+    'BEVEL': MaterialNodeMeta(parse_func=nodes_vector.parse_bevel),
     'BUMP': MaterialNodeMeta(parse_func=nodes_vector.parse_bump),
     'CURVE_VEC': MaterialNodeMeta(parse_func=nodes_vector.parse_curvevec),
     'DISPLACEMENT': MaterialNodeMeta(parse_func=nodes_vector.parse_displacement),
@@ -214,7 +219,8 @@ if bpy.app.version > (3, 2, 0):
     ALL_NODES['COMBINE_COLOR'] = MaterialNodeMeta(parse_func=nodes_converter.parse_combine_color)
 if bpy.app.version < (4, 0, 0):
     ALL_NODES['BSDF_VELVET'] = MaterialNodeMeta(parse_func=nodes_shader.parse_bsdfvelvet)
-if bpy.app.version < (4, 1, 0):
+ALL_NODES['MIX_RGB'] = MaterialNodeMeta(parse_func=nodes_color.parse_mixrgb)
+if bpy.app.version < (4, 2, 0):
     ALL_NODES['TEX_MUSGRAVE'] = MaterialNodeMeta(parse_func=nodes_texture.parse_tex_musgrave)
 if bpy.app.version >= (4, 0, 0):
     ALL_NODES['BSDF_SHEEN'] = MaterialNodeMeta(parse_func=nodes_shader.parse_bsdfsheen)

leenkx/blender/lnx/material/parser_state.py

@@ -1,5 +1,5 @@
 from enum import IntEnum, unique
-from typing import List, Set, Tuple, Union, Optional
+from typing import Dict, List, Set, Tuple, Union, Optional
 
 import bpy
 
@@ -69,6 +69,9 @@ class ParserState:
 
         # Cache for computing nodes only once
         self.parsed: Set[str] = set()
+        self.parsing: Set[str] = set()
+        self.node_uids: Dict[tuple, str] = {}
+        self.node_uids_used: Set[str] = set()
 
         # What to parse from the node tree
         self.parse_surface = True
@@ -90,6 +93,11 @@ class ParserState:
         dx/dy offsets (if required by the parser pass).
         """
 
+        self.dxdy_scale = '1.0'
+        """Scale factor applied to screen-space dx/dy offsets, matching
+        Blender's bump filter_width (offset = dFdx(v) * filter_width).
+        """
+
         # Shader output values
         self.out_basecol: vec3str = 'vec3(0.8)'
         self.out_roughness: floatstr = '0.0'

leenkx/blender/lnx/props_renderpath.py

@@ -347,7 +347,7 @@ class LnxRPListItem(bpy.types.PropertyGroup):
         name="Max Lights Shadows", description="Max number of rendered shadow maps that can be visible in the screen. Always equal or lower than Max Lights", default='16')
     rp_shadowmap_atlas: BoolProperty(name="Shadow Map Atlasing", description="Group shadow maps of lights of the same type in the same texture", default=False, update=update_renderpath)
     rp_shadowmap_atlas_auto: BoolProperty(name="Automatic Atlasing", description="Automatically compute atlas sizes based on max lights and shadow map sizes", default=True, update=update_renderpath)
-    rp_shadowmap_atlas_single_map: BoolProperty(name="Shadow Map Atlas single map", description="Use a single texture for all different light types.", default=False, update=update_renderpath)
+    rp_shadowmap_atlas_single_map: BoolProperty(name="Shadow Map Atlas single map", description="Use a single texture for all different light types.", default=True, update=update_renderpath)
     rp_shadowmap_atlas_lod: BoolProperty(name="Shadow Map Atlas LOD (Experimental)", description="When enabled, the size of the shadow map will be determined on runtime based on the distance of the light to the camera", default=False, update=update_renderpath)
     rp_shadowmap_transparent: BoolProperty(name="Transparency", description="Enable shadows for transparent objects", default=True, update=update_renderpath)
     rp_shadowmap_atlas_lod_subdivisions: EnumProperty(
@@ -496,9 +496,10 @@ class LnxRPListItem(bpy.types.PropertyGroup):
         name="Diffuse BRDF", description="Diffuse BRDF model", default='Burley', update=update_material_model)
     lnx_rp_displacement: EnumProperty(
         items=[('Off', 'Off', 'Off'),
+               ('Bump', 'Bump', 'Bump'),
                ('Vertex', 'Vertex', 'Vertex'),
                ('Tessellation', 'Tessellation', 'Tessellation')],
-        name="Displacement", description="Enable material displacement", default='Vertex', update=assets.invalidate_shader_cache)
+        name="Displacement", description="Enable material displacement", default='Bump', update=assets.invalidate_shader_cache)
     lnx_tess_mesh_inner: IntProperty(name="Inner", description="Inner tessellation level", default=7)
     lnx_tess_mesh_outer: IntProperty(name="Outer", description="Outer tessellation level", default=7)
     lnx_tess_shadows_inner: IntProperty(name="Inner", description="Inner tessellation level", default=7)

leenkx/blender/lnx/write_data.py

@@ -1009,6 +1009,7 @@ const vec3 compoSharpenColor = vec3(""" + str(round(rpdat.lnx_sharpen_color[0] *
         if lnx.utils.get_active_scene().view_settings.exposure != 0.0:
             f.write(
 """const float compoExposureStrength = """ + str(round(lnx.utils.get_active_scene().view_settings.exposure * 100) / 100) + """;
+const float compoGammaStrength = """ + str(round(lnx.utils.get_active_scene().view_settings.gamma * 100) / 100) + """;
 """)
 
         if rpdat.lnx_fog: