diff --git a/leenkx/blender/lnx/material/make_mesh.py b/leenkx/blender/lnx/material/make_mesh.py
index cff2054..08a933f 100644
--- a/leenkx/blender/lnx/material/make_mesh.py
+++ b/leenkx/blender/lnx/material/make_mesh.py
@@ -686,9 +686,9 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
         if parse_opacity:
             frag.write('indirect = traceDiffuse(wposition, n, voxels, clipmaps).rgb * albedo * voxelgiDiff;')
             frag.write('if (roughness < 1.0 && specular > 0.0){')
-            #frag.add_uniform('sampler2D sveloc')
-            #frag.write('    vec2 velocity = -textureLod(sveloc, gl_FragCoord.xy, 0.0).rg;')
-            frag.write('    indirect += traceSpecular(wposition, n, voxels, voxelsSDF, normalize(eye - wposition), roughness, clipmaps, gl_FragCoord.xy).rgb * specular * voxelgiRefl;}')
+            frag.add_uniform('sampler2D sveloc')
+            frag.write('    vec2 velocity = -textureLod(sveloc, gl_FragCoord.xy, 0.0).rg;')
+            frag.write('    indirect += traceSpecular(wposition, n, voxels, voxelsSDF, normalize(eye - wposition), roughness, clipmaps, gl_FragCoord.xy, velocity).rgb * specular * voxelgiRefl;}')
         else:
             frag.add_uniform("sampler2D voxels_diffuse")
             frag.add_uniform("sampler2D voxels_specular")
@@ -779,9 +779,10 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
         if '_MicroShadowing' in wrd.world_defs:
             frag.write(', occlusion')
         if '_SSRS' in wrd.world_defs:
+            frag.add_uniform('sampler2D gbufferD', top=True)
             frag.add_uniform('mat4 invVP', '_inverseViewProjectionMatrix')
             frag.add_uniform('vec3 eye', '_cameraPosition')
-            frag.write(', gl_FragCoord.z, inVP, eye')
+            frag.write(', gbufferD, invVP, eye')
         frag.write(');')
 
     if '_Clusters' in wrd.world_defs:
@@ -794,8 +795,8 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
 
     if '_VoxelRefract' in wrd.world_defs and parse_opacity:
         frag.write('if (opacity < 1.0) {')
-        #frag.write('    vec2 velocity = -textureLod(sveloc, gl_FragCoord.xy, 0.0).rg;')
-        frag.write('    vec3 refraction = traceRefraction(wposition, n, voxels, voxelsSDF, normalize(eye - wposition), ior, roughness, clipmaps, gl_FragCoord.xy).rgb;')
+        frag.write('    vec2 velocity = -textureLod(sveloc, gl_FragCoord.xy, 0.0).rg;')
+        frag.write('    vec3 refraction = traceRefraction(wposition, n, voxels, voxelsSDF, normalize(eye - wposition), ior, roughness, clipmaps, gl_FragCoord.xy,velocity).rgb;')
         frag.write('    indirect = mix(refraction, indirect, opacity) * voxelgiRefr;')
         frag.write('    direct = mix(refraction, direct, opacity) * voxelgiRefr;')
         frag.write('}')