EEVEE: Implementation of volume rendering

This adds the transparency and volume handling in the deferred
render pipeline.

Implementation is still unfinished.

To have better naming convention, I renamed object shader to surface.

1 files changed, 5 insertions, 1 deletions

diff --git a/source/blender/draw/engines/eevee/eevee_instance.cc b/source/blender/draw/engines/eevee/eevee_instance.cc
index 6c65a1cf986..62c980f58af 100644
--- a/source/blender/draw/engines/eevee/eevee_instance.cc
+++ b/source/blender/draw/engines/eevee/eevee_instance.cc
@@ -126,7 +126,7 @@ void Instance::begin_sync()
 void Instance::object_sync(Object *ob)
 {
   const bool is_renderable_type = ELEM(
-      ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_MBALL, OB_LAMP);
+      ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_MBALL, OB_LAMP, OB_VOLUME);
   const int ob_visibility = DRW_object_visibility_in_active_context(ob);
   const bool partsys_is_visible = (ob_visibility & OB_VISIBLE_PARTICLES) != 0;
   const bool object_is_visible = DRW_object_is_renderable(ob) &&
@@ -152,12 +152,16 @@ void Instance::object_sync(Object *ob)
       case OB_SURF:
       case OB_FONT:
       case OB_MBALL:
+        shading_passes.forward.surface_add(ob, nullptr, 0);
         shading_passes.deferred.surface_add(ob);
         shading_passes.shadow.surface_add(ob, nullptr, 0);
         shading_passes.velocity.mesh_add(ob, ob_handle);
 
         shadows.sync_caster(ob, ob_handle);
         break;
+      case OB_VOLUME:
+        shading_passes.deferred.volume_add(ob);
+        break;
       default:
         break;
     }