1 files changed, 57 insertions, 0 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/eevee_surface_background_frag.glsl b/source/blender/draw/engines/eevee/shaders/eevee_surface_background_frag.glsl
new file mode 100644
index 00000000000..ddfcf8eaef8
--- /dev/null
+++ b/source/blender/draw/engines/eevee/shaders/eevee_surface_background_frag.glsl
@@ -0,0 +1,57 @@
+
+#pragma BLENDER_REQUIRE(common_view_lib.glsl)
+#pragma BLENDER_REQUIRE(common_math_lib.glsl)
+#pragma BLENDER_REQUIRE(common_attribute_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_surface_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_bsdf_stubs_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_nodetree_eval_lib.glsl)
+#pragma BLENDER_REQUIRE(eevee_shader_shared.hh)
+
+layout(location = 0) out vec4 out_background;
+
+void main(void)
+{
+  g_data = init_globals();
+  /* View position is passed to keep accuracy. */
+  g_data.N = normal_view_to_world(viewCameraVec(interp.P));
+  g_data.Ng = g_data.N;
+  g_data.P = -g_data.N + cameraPos;
+
+  attrib_load();
+
+  nodetree_surface();
+
+  out_background.rgb = safe_color(g_emission_data.emission);
+  out_background.a = saturate(avg(g_transparency_data.transmittance));
+}
+
+vec3 attr_load_orco(vec4 orco)
+{
+  return -g_data.N;
+}
+
+/* Unsupported. */
+vec4 attr_load_tangent(vec4 tangent)
+{
+  return vec4(0);
+}
+vec4 attr_load_vec4(vec4 attr)
+{
+  return vec4(0);
+}
+vec3 attr_load_vec3(vec3 attr)
+{
+  return vec3(0);
+}
+vec2 attr_load_vec2(vec2 attr)
+{
+  return vec2(0);
+}
+vec4 attr_load_color(vec4 attr)
+{
+  return vec4(0);
+}
+vec3 attr_load_uv(vec3 attr)
+{
+  return vec3(0);
+}