1 files changed, 36 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee_next/shaders/eevee_surf_forward_frag.glsl b/source/blender/draw/engines/eevee_next/shaders/eevee_surf_forward_frag.glsl
new file mode 100644
index 00000000000..d83802c73f3
--- /dev/null
+++ b/source/blender/draw/engines/eevee_next/shaders/eevee_surf_forward_frag.glsl
@@ -0,0 +1,36 @@
+
+/**
+ * Forward lighting evaluation: Lighting is evaluated during the geometry rasterization.
+ *
+ * This is used by alpha blended materials and materials using Shader to RGB nodes.
+ **/
+
+#pragma BLENDER_REQUIRE(common_view_lib.glsl)
+#pragma BLENDER_REQUIRE(common_math_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_nodetree_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_surf_lib.glsl)
+
+void main(void)
+{
+  init_globals();
+
+  fragment_displacement();
+
+  nodetree_surface();
+
+  g_holdout = saturate(g_holdout);
+
+  out_radiance.rgb = g_emission;
+  out_radiance.rgb += g_diffuse_data.color * saturate(g_diffuse_data.N.z);
+  out_radiance.rgb += g_reflection_data.color * saturate(g_reflection_data.N.z);
+  out_radiance.a = 0.0;
+
+  out_radiance.rgb *= 1.0 - g_holdout;
+
+  out_transmittance.rgb = g_transmittance;
+  out_transmittance.a = saturate(avg(g_transmittance));
+
+  /* Test */
+  out_transmittance.a = 1.0 - out_transmittance.a;
+  out_radiance.a = 1.0 - out_radiance.a;
+}