Update leenkx/Shaders/deferred_light/deferred_light.frag.glsl

leenkx/Shaders/deferred_light/deferred_light.frag.glsl

@@ -20,7 +20,7 @@ uniform sampler2D gbuffer0;
 uniform sampler2D gbuffer1;
 
 #ifdef _gbuffer2
-	//!uniform sampler2D gbuffer2;
+	uniform sampler2D gbuffer2;
 #endif
 #ifdef _EmissionShaded
 	uniform sampler2D gbufferEmission;
@@ -29,10 +29,11 @@ uniform sampler2D gbuffer1;
 #ifdef _VoxelGI
 uniform sampler2D voxels_diffuse;
 uniform sampler2D voxels_specular;
-#endif
+#else
 #ifdef _VoxelAOvar
 uniform sampler2D voxels_ao;
 #endif
+#endif
 #ifdef _VoxelShadow
 uniform sampler3D voxels;
 uniform sampler3D voxelsSDF;
@@ -117,11 +118,15 @@ uniform vec2 cameraPlane;
 #ifdef _SinglePoint
 	#ifdef _Spot
 	//!uniform sampler2DShadow shadowMapSpot[1];
+	#ifdef _ShadowMapTransparent
 	//!uniform sampler2D shadowMapSpotTransparent[1];
+	#endif
 	//!uniform mat4 LWVPSpot[1];
 	#else
 	//!uniform samplerCubeShadow shadowMapPoint[1];
+	#ifdef _ShadowMapTransparent
 	//!uniform samplerCube shadowMapPointTransparent[1];
+	#endif
 	//!uniform vec2 lightProj;
 	#endif
 #endif
@@ -129,30 +134,40 @@ 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];
+		#ifdef _ShadowMapTransparent
 		//!uniform sampler2D shadowMapSpotTransparent[4];
 		#endif
+		#endif
 	//!uniform mat4 LWVPSpotArray[maxLightsCluster];
 	#endif
 #endif
@@ -165,12 +180,16 @@ uniform vec3 sunCol;
 	#ifdef _ShadowMapAtlas
 	#ifndef _SingleAtlas
 	uniform sampler2DShadow shadowMapAtlasSun;
+	#ifdef _ShadowMapTransparent
 	uniform sampler2D shadowMapAtlasSunTransparent;
 	#endif
+	#endif
 	#else
 	uniform sampler2DShadow shadowMap;
+	#ifdef _ShadowMapTransparent
 	uniform sampler2D shadowMapTransparent;
 	#endif
+	#endif
 	uniform float shadowsBias;
 	#ifdef _CSM
 	//!uniform vec4 casData[shadowmapCascades * 4 + 4];
@@ -231,6 +250,7 @@ void main() {
 	vec4 g2 = textureLod(gbuffer2, texCoord, 0.0);
 #endif
 
+
 #ifdef _MicroShadowing
 	occspec.x = mix(1.0, occspec.x, dotNV); // AO Fresnel
 #endif
@@ -238,14 +258,14 @@ void main() {
 #ifdef _Brdf
 	vec2 envBRDF = texelFetch(senvmapBrdf, ivec2(vec2(dotNV, 1.0 - roughness) * 256.0), 0).xy;
 	vec3 F = f0 * envBRDF.x + envBRDF.y;
+#else
+	vec3 F = f0;
 #endif
 
-
 #ifndef _VoxelAOvar
 #ifndef _VoxelGI
 	// Envmap
 #ifdef _Irr
-
 	vec3 envl = shIrradiance(n, shirr);
 
 	#ifdef _gbuffer2
@@ -279,14 +299,14 @@ void main() {
 	envl.rgb *= albedo;
 
 #ifdef _Brdf
-    envl.rgb *= 1.0 - F;
+	envl.rgb *= 1.0 - F; //LV: We should take refracted light into account
 #endif
 
 #ifdef _Rad // Indirect specular
-	envl.rgb += prefilteredColor * F;
+	envl.rgb += prefilteredColor * F; //LV: Removed "1.5 * occspec.y". Specular should be weighted only by FV LUT
 #else
 	#ifdef _EnvCol
-    envl.rgb += backgroundCol * F;
+	envl.rgb += backgroundCol * F; //LV: Eh, what's the point of weighting it only by F0?
 	#endif
 #endif
 
@@ -301,7 +321,6 @@ void main() {
 	if(roughness < 1.0 && occspec.y > 0.0)
 		fragColor.rgb += textureLod(voxels_specular, texCoord, 0.0).rgb * F * voxelgiRefl;
 #else
-
 #ifdef _VoxelAOvar
 	fragColor.rgb = textureLod(voxels_ao, texCoord, 0.0).rgb * voxelgiOcc;
 #endif
@@ -363,37 +382,67 @@ void main() {
 		#ifdef _CSM
 			svisibility = shadowTestCascade(
 											#ifdef _ShadowMapAtlas
+												#ifdef _ShadowMapTransparent
 												#ifndef _SingleAtlas
 												shadowMapAtlasSun, shadowMapAtlasSunTransparent
 												#else
 												shadowMapAtlas, shadowMapAtlasTransparent
 												#endif
 												#else
-				shadowMap, shadowMapTransparent
+												#ifndef _SingleAtlas
+												shadowMapAtlasSun
+												#else
+												shadowMapAtlas
+												#endif
+												#endif
+											#else
+											#ifdef _ShadowMapTransparent
+											shadowMap, shadowMapTransparent
+											#else
+											shadowMap
+											#endif
+											#endif
+											, eye, p + n * shadowsBias * 10, shadowsBias
+											#ifdef _ShadowMapTransparent
+											, false
 											#endif
-				, eye, p + n * shadowsBias * 10, shadowsBias, false
 											);
 		#else
 			vec4 lPos = LWVP * vec4(p + n * shadowsBias * 100, 1.0);
 			if (lPos.w > 0.0) {
 				svisibility = shadowTest(
 										#ifdef _ShadowMapAtlas
+											#ifdef _ShadowMapTransparent
 											#ifndef _SingleAtlas
 											shadowMapAtlasSun, shadowMapAtlasSunTransparent
 											#else
 											shadowMapAtlas, shadowMapAtlasTransparent
 											#endif
 											#else
-					shadowMap, shadowMapTransparent
+											#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
-					, lPos.xyz / lPos.w, shadowsBias, false
 										);
 			}
 		#endif
 	#endif
 
 	#ifdef _VoxelShadow
-	svisibility *= (1.0 - traceShadow(p, n, voxels, voxelsSDF, sunDir, clipmaps, gl_FragCoord.xy, g2.rg).r) * voxelgiShad;
+	svisibility *= (1.0 - traceShadow(p, n, voxels, voxelsSDF, sunDir, clipmaps, gl_FragCoord.xy, -g2.rg).r) * voxelgiShad;
 	#endif
 
 	#ifdef _SSRS
@@ -452,7 +501,10 @@ void main() {
 	fragColor.rgb += sampleLight(
 		p, n, v, dotNV, pointPos, pointCol, albedo, roughness, occspec.y, f0
 		#ifdef _ShadowMap
-			, 0, pointBias, true, false
+			, 0, pointBias, true
+		#ifdef _ShadowMapTransparent
+			, false
+		#endif
 		#endif
 		#ifdef _Spot
 		, true, spotData.x, spotData.y, spotDir, spotData.zw, spotRight
@@ -505,7 +557,10 @@ void main() {
 			f0
 			#ifdef _ShadowMap
 				// light index, shadow bias, cast_shadows
-				, li, lightsArray[li * 3 + 2].x, lightsArray[li * 3 + 2].z != 0.0, false
+				, 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
@@ -527,6 +582,5 @@ void main() {
 		);
 	}
 #endif // _Clusters
-
 	fragColor.a = 1.0; // Mark as opaque
 }