Eevee: Hair: Make hairs visible even if the show emitter option is disabled.

3 files changed, 31 insertions, 20 deletions

diff --git a/source/blender/draw/engines/eevee/eevee_engine.c b/source/blender/draw/engines/eevee/eevee_engine.c
index 9147a332764..c922ee61700 100644
--- a/source/blender/draw/engines/eevee/eevee_engine.c
+++ b/source/blender/draw/engines/eevee/eevee_engine.c
@@ -129,38 +129,40 @@ static void eevee_cache_populate(void *vedata, Object *ob)
 
 	const DRWContextState *draw_ctx = DRW_context_state_get();
 	const bool is_active = (ob == draw_ctx->obact);
+	bool cast_shadow = false;
+
 	if (is_active) {
 		if (DRW_object_is_mode_shade(ob) == true) {
 			return;
 		}
 	}
 
-	if (DRW_check_object_visible_within_active_context(ob) == false) {
-		return;
+	if (ob->base_flag & BASE_VISIBLED) {
+		EEVEE_hair_cache_populate(vedata, sldata, ob, &cast_shadow);
 	}
 
-	if (ELEM(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT)) {
-		bool cast_shadow;
-
-		EEVEE_materials_cache_populate(vedata, sldata, ob, &cast_shadow);
-
-		if (cast_shadow) {
-			EEVEE_lights_cache_shcaster_object_add(sldata, ob);
+	if (DRW_check_object_visible_within_active_context(ob)) {
+		if (ELEM(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT)) {
+			EEVEE_materials_cache_populate(vedata, sldata, ob, &cast_shadow);
 		}
-	}
-	else if (!USE_SCENE_LIGHT(draw_ctx->v3d)) {
-		/* do not add any scene light sources to the cache */
-	}
-	else if (ob->type == OB_LIGHTPROBE) {
-		if ((ob->base_flag & BASE_FROMDUPLI) != 0) {
-			/* TODO: Special case for dupli objects because we cannot save the object pointer. */
+		else if (!USE_SCENE_LIGHT(draw_ctx->v3d)) {
+			/* do not add any scene light sources to the cache */
+		}
+		else if (ob->type == OB_LIGHTPROBE) {
+			if ((ob->base_flag & BASE_FROMDUPLI) != 0) {
+				/* TODO: Special case for dupli objects because we cannot save the object pointer. */
+			}
+			else {
+				EEVEE_lightprobes_cache_add(sldata, ob);
+			}
 		}
-		else {
-			EEVEE_lightprobes_cache_add(sldata, ob);
+		else if (ob->type == OB_LAMP) {
+			EEVEE_lights_cache_add(sldata, ob);
 		}
 	}
-	else if (ob->type == OB_LAMP) {
-		EEVEE_lights_cache_add(sldata, ob);
+
+	if (cast_shadow) {
+		EEVEE_lights_cache_shcaster_object_add(sldata, ob);
 	}
 }
 
diff --git a/source/blender/draw/engines/eevee/eevee_materials.c b/source/blender/draw/engines/eevee/eevee_materials.c
index 42e81373914..a34421243d1 100644
--- a/source/blender/draw/engines/eevee/eevee_materials.c
+++ b/source/blender/draw/engines/eevee/eevee_materials.c
@@ -1576,6 +1576,14 @@ void EEVEE_materials_cache_populate(EEVEE_Data *vedata, EEVEE_ViewLayerData *sld
 			EEVEE_volumes_cache_object_add(sldata, vedata, scene, ob);
 		}
 	}
+}
+
+void EEVEE_hair_cache_populate(EEVEE_Data *vedata, EEVEE_ViewLayerData *sldata, Object *ob, bool *cast_shadow)
+{
+	EEVEE_PassList *psl = vedata->psl;
+	EEVEE_StorageList *stl = vedata->stl;
+	const DRWContextState *draw_ctx = DRW_context_state_get();
+	Scene *scene = draw_ctx->scene;
 
 	if (ob->type == OB_MESH) {
 		if (ob != draw_ctx->object_edit) {
diff --git a/source/blender/draw/engines/eevee/eevee_private.h b/source/blender/draw/engines/eevee/eevee_private.h
index 8aca79255b0..1039d069053 100644
--- a/source/blender/draw/engines/eevee/eevee_private.h
+++ b/source/blender/draw/engines/eevee/eevee_private.h
@@ -815,6 +815,7 @@ struct GPUTexture *EEVEE_materials_get_util_tex(void); /* XXX */
 void EEVEE_materials_init(EEVEE_ViewLayerData *sldata, EEVEE_StorageList *stl, EEVEE_FramebufferList *fbl);
 void EEVEE_materials_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata);
 void EEVEE_materials_cache_populate(EEVEE_Data *vedata, EEVEE_ViewLayerData *sldata, Object *ob, bool *cast_shadow);
+void EEVEE_hair_cache_populate(EEVEE_Data *vedata, EEVEE_ViewLayerData *sldata, Object *ob, bool *cast_shadow);
 void EEVEE_materials_cache_finish(EEVEE_Data *vedata);
 struct GPUMaterial *EEVEE_material_world_lightprobe_get(struct Scene *scene, struct World *wo);
 struct GPUMaterial *EEVEE_material_world_background_get(struct Scene *scene, struct World *wo);