diff --git a/leenkx/blender/lnx/material/make_mesh.py b/leenkx/blender/lnx/material/make_mesh.py
index 6fba67d..f935826 100644
--- a/leenkx/blender/lnx/material/make_mesh.py
+++ b/leenkx/blender/lnx/material/make_mesh.py
@@ -646,6 +646,7 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
 
     frag.add_include('std/light.glsl')
     is_shadows = '_ShadowMap' in wrd.world_defs
+    is_transparent_shadows = '_ShadowMapTransparent' in wrd.world_defs
     is_shadows_atlas = '_ShadowMapAtlas' in wrd.world_defs
     is_single_atlas = is_shadows_atlas and '_SingleAtlas' in wrd.world_defs
     shadowmap_sun = 'shadowMap'
@@ -662,7 +663,9 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
         frag.add_uniform('sampler2D senvmapBrdf', link='$brdf.png')
         frag.write('vec2 envBRDF = texelFetch(senvmapBrdf, ivec2(vec2(dotNV, 1.0 - roughness) * 256.0), 0).xy;')
         frag.write('vec3 F = f0 * envBRDF.x + envBRDF.y;')
-
+    else:
+        frag.write('vec3 F = f0;')
+        
     if '_Irr' in wrd.world_defs:
         frag.add_include('std/shirr.glsl')
         frag.add_uniform('vec4 shirr[7]', link='_envmapIrradiance')
@@ -730,17 +733,21 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
         if is_shadows:
             frag.add_uniform('bool receiveShadow')
             frag.add_uniform(f'sampler2DShadow {shadowmap_sun}', top=True)
-            frag.add_uniform(f'sampler2D {shadowmap_sun_tr}', top=True)
+            if is_transparent_shadows:
+                frag.add_uniform(f'sampler2D {shadowmap_sun_tr}', top=True)
             frag.add_uniform('float shadowsBias', '_sunShadowsBias')
             frag.write('if (receiveShadow) {')
             if '_CSM' in wrd.world_defs:
                 frag.add_include('std/shadows.glsl')
                 frag.add_uniform('vec4 casData[shadowmapCascades * 4 + 4]', '_cascadeData', included=True)
                 frag.add_uniform('vec3 eye', '_cameraPosition')
-                if parse_opacity:
-                    frag.write(f'svisibility = shadowTestCascade({shadowmap_sun}, {shadowmap_sun_tr}, eye, wposition + n * shadowsBias * 10, shadowsBias, true);')
-                else:
-                    frag.write(f'svisibility = shadowTestCascade({shadowmap_sun}, {shadowmap_sun_tr}, eye, wposition + n * shadowsBias * 10, shadowsBias, false);')
+                frag.write(f'svisibility = shadowTestCascade({shadowmap_sun},')
+                if is_transparent_shadows:
+                    frag.write(f'{shadowmap_sun_tr},')
+                frag.write('eye, wposition + n * shadowsBias * 10, shadowsBias')
+                if is_transparent_shadows:
+                    frag.write(', false')
+                frag.write(');')
             else:
                 if tese is not None:
                     tese.add_out('vec4 lightPosition')
@@ -757,10 +764,13 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
                         vert.write('lightPosition = LWVP * pos;')
                 frag.write('vec3 lPos = lightPosition.xyz / lightPosition.w;')
                 frag.write('const vec2 smSize = shadowmapSize;')
-                if parse_opacity:
-                    frag.write(f'svisibility = PCF({shadowmap_sun}, {shadowmap_sun_tr}, lPos.xy, lPos.z - shadowsBias, smSize, true);')
-                else:
-                    frag.write(f'svisibility = PCF({shadowmap_sun}, {shadowmap_sun_tr}, lPos.xy, lPos.z - shadowsBias, smSize, false);')
+                frag.write(f'svisibility = PCF({shadowmap_sun},')
+                if is_transparent_shadows:
+                    frag.write(f'{shadowmap_sun_tr},')
+                frag.write('lPos.xy, lPos.z - shadowsBias, smSize')
+                if is_transparent_shadows:
+                    frag.write(', false')
+                frag.write(');')
             if '_VoxelShadow' in wrd.world_defs:
                 frag.write('svisibility *= (1.0 - traceShadow(wposition, n, voxels, voxelsSDF, sunDir, clipmaps, gl_FragCoord.xy, velocity).r) * voxelgiShad;')
             frag.write('}') # receiveShadow
@@ -781,7 +791,8 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
                 # Skip world matrix, already in world-space
                 frag.add_uniform('mat4 LWVPSpot[1]', link='_biasLightViewProjectionMatrixSpotArray', included=True)
                 frag.add_uniform('sampler2DShadow shadowMapSpot[1]', included=True)
-                frag.add_uniform('sampler2D shadowMapSpotTransparent[1]', included=True)
+                if is_transparent_shadows:
+                    frag.add_uniform('sampler2D shadowMapSpotTransparent[1]', included=True)
             else:
                 frag.add_uniform('vec2 lightProj', link='_lightPlaneProj', included=True)
                 frag.add_uniform('samplerCubeShadow shadowMapPoint[1]', included=True)
@@ -790,10 +801,8 @@ def make_forward_base(con_mesh, parse_opacity=False, transluc_pass=False):
         frag.write('  wposition, n, vVec, dotNV, pointPos, pointCol, albedo, roughness, specular, f0')
         if is_shadows:
             frag.write(', 0, pointBias, receiveShadow')
-            if '_ShadowMapTransparent' in wrd.world_defs and parse_opacity:
+            if is_transparent_shadows:
                 frag.write(', opacity != 1.0')
-            else:
-                frag.write(', false')
         if '_Spot' in wrd.world_defs:
             frag.write(', true, spotData.x, spotData.y, spotDir, spotData.zw, spotRight')
         if '_VoxelShadow' in wrd.world_defs:
@@ -803,9 +812,10 @@ 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')
             frag.add_uniform('mat4 invVP', '_inverseViewProjectionMatrix')
             frag.add_uniform('vec3 eye', '_cameraPosition')
-            frag.write(', wposition.z, invVP, eye')
+            frag.write(', gbufferD, invVP, eye')
         frag.write(');')
 
     if '_Clusters' in wrd.world_defs: