potentially Fix LOD flicker on AMD

shaders/dimensions/DH_solid.fsh

@@ -172,14 +172,14 @@ void main() {
         }
     #endif
 
-    vec3 normals = (normals_and_materials.xyz);
+    vec3 normals = normalize(normals_and_materials.xyz); // normals in viewspace by default
     float materials = normals_and_materials.a;
 	vec2 PackLightmaps = lightmapCoords;
 
     // PackLightmaps.y *= 1.05;
     PackLightmaps = min(max(PackLightmaps,0.0)*1.05,1.0);
     
-    vec4 data1 = clamp( encode(viewToWorld(normals), PackLightmaps), 0.0, 1.0);
+    vec4 data1 = clamp( encode(normals, PackLightmaps), 0.0, 1.0);
     
     // alpha is material masks, set it to 0.65 to make a DH LODs mask. 
 	#ifdef DH_NOISE_TEXTURE

shaders/dimensions/composite.fsh

@@ -384,7 +384,8 @@ void main() {
 	vec4 data = texelFetch(colortex1,ivec2(gl_FragCoord.xy),0);
 	vec4 dataUnpacked0 = vec4(decodeVec2(data.x),decodeVec2(data.y));
 	vec4 dataUnpacked1 = vec4(decodeVec2(data.z),decodeVec2(data.w));
-	vec3 normal = mat3(gbufferModelViewInverse) * clamp(worldToView( decode(dataUnpacked0.yw) ),-1.,1.);
+	vec3 normal = decode(dataUnpacked0.yw);
+	
 	vec2 lightmap = dataUnpacked1.yz;
 
 
@@ -403,6 +404,8 @@ void main() {
 
 	float z = convertHandDepth_2(texelFetch(depthtex1,ivec2(gl_FragCoord.xy),0).x,hand);
 	
+	if(z >= 1.0) normal = viewToWorld(normal);
+	
 	#ifdef USING_LOD_MOD
 		float DH_depth1 = texelFetch(LOD_DEPTHTEX1,ivec2(gl_FragCoord.xy),0).x;
 		float swappedDepth = z >= 1.0 ? DH_depth1 : z;

shaders/dimensions/composite1.fsh

@@ -817,6 +817,9 @@ void main() {
 		vec3 albedo = toLinear(vec3(dataUnpacked0.xz,dataUnpacked1.x));
 
 		vec3 normal = decode(dataUnpacked0.yw);
+
+		if(isDHrange) normal = viewToWorld(normal);
+
 		vec2 lightmap = dataUnpacked1.yz;
 		// special curve to give more precision on high/low values of the gradient. this curve will be inverted after sampling and decoding.
 		// lightmap = 1.0-pow(1.0-pow(lightmap,vec2(2)),vec2(2));

shaders/dimensions/voxy_opaque.glsl

@@ -1,5 +1,5 @@
 // THANK YOU SIXTHSURGE FOR ALLOWING USAGE OF PHOTON CODE TO BUILD THIS VOXY IMPLEMENTATION FROM: https://github.com/sixthsurge/photon
-
+#define SUB_SURFACE_SCATTERING_RELATED_SETTINGS
 #include "/lib/settings.glsl"
 #include "/lib/blocks.glsl"
 
@@ -29,6 +29,20 @@ float readVoxyDepth(sampler2D colortex, in ivec2 coords){
     return sqrt(texelFetch(colortex, coords, 0).x/65000.0);
 }
 
+vec3 viewToWorld(vec3 viewPos) {
+    vec4 pos;
+    pos.xyz = viewPos;
+    pos.w = 0.0;
+    pos = gbufferModelViewInverse * pos ;
+    return pos.xyz;
+}
+
+vec3 worldToView(vec3 worldPos) {
+    vec4 pos = vec4(worldPos, 0.0);
+    pos = gbufferModelView * pos;
+    return pos.xyz;
+}
+
 /*
 struct VoxyFragmentParameters {
     vec4 sampledColour;
@@ -49,8 +63,8 @@ layout(location = 2) out vec4 MISC_DATA;
 void voxy_emitFragment(VoxyFragmentParameters parameters) {
 
     vec3 normal = vec3( uint((parameters.face >> 1) == 2), uint((parameters.face >> 1) == 0), uint((parameters.face >> 1) == 1) ) * (float(int(parameters.face) & 1) * 2.0 - 1.0);
-    normal.z = clamp(normal.z-1.0,-1.0,1.0)*0.5+0.5;
-    normal = normalize(normal);
+    // normal.z = clamp(normal.z-1.0,-1.0,1.0)*0.5+0.5;
+    normal = normalize(normal); // normals in worldspace by default
 
     vec3 Albedo = parameters.sampledColour.rgb * parameters.tinting.rgb;
     
@@ -59,7 +73,7 @@ void voxy_emitFragment(VoxyFragmentParameters parameters) {
 	#endif
 
     vec2 lightMaps = parameters.lightMap.xy;
-    vec4 data1 = clamp( encode(normal, lightMaps), 0.0, 1.0);
+    vec4 data1 = clamp( encode(worldToView(normal), lightMaps), 0.0, 1.0);
     float pixelMask = 0.0;
 
     DEFERRED_DATA.xyzw = vec4(  encodeVec2(Albedo.x, data1.x),
@@ -68,7 +82,7 @@ void voxy_emitFragment(VoxyFragmentParameters parameters) {
                                 encodeVec2(data1.w, pixelMask) );
                                 
     float subSurfaceScattering = 0.0;
-
+    #if SSS_TYPE > 0
     if(
         parameters.customId == BLOCK_SSS_STRONG || parameters.customId == BLOCK_SAPLING ||
         parameters.customId == BLOCK_AIR_WAVING
@@ -92,7 +106,7 @@ void voxy_emitFragment(VoxyFragmentParameters parameters) {
 	// ) subSurfaceScattering = 0.5;
     
 	if(parameters.customId == BLOCK_SSS_WEAK_3) subSurfaceScattering = 0.4;
-
+    #endif
     SPECULAR_DATA.xyzw = vec4(0.0,0.0,subSurfaceScattering,0.0);
 
     MISC_DATA.xyzw = vec4(normal.xyz * 0.5 + 0.5, 0.0);