Eevee: LightCache: Add free operator.

4 files changed, 40 insertions, 0 deletions

diff --git a/release/scripts/startup/bl_ui/properties_render.py b/release/scripts/startup/bl_ui/properties_render.py
index 3d4993697af..23fa6676cb5 100644
--- a/release/scripts/startup/bl_ui/properties_render.py
+++ b/release/scripts/startup/bl_ui/properties_render.py
@@ -719,6 +719,7 @@ class RENDER_PT_eevee_indirect_lighting(RenderButtonsPanel, Panel):
         col = layout.column()
         col.operator("scene.light_cache_bake", text="Bake Indirect Lighting", icon='RENDER_STILL')
         col.operator("scene.light_cache_bake", text="Bake Cubemap Only", icon='LIGHTPROBE_CUBEMAP').subset = "CUBEMAPS"
+        col.operator("scene.light_cache_free", text="Free Lighting Cache")
         col.prop(props, "gi_auto_bake")
 
         col.prop(props, "gi_diffuse_bounces")
diff --git a/source/blender/editors/render/render_intern.h b/source/blender/editors/render/render_intern.h
index cea2b23f552..585a7999290 100644
--- a/source/blender/editors/render/render_intern.h
+++ b/source/blender/editors/render/render_intern.h
@@ -57,6 +57,7 @@ void SCENE_OT_view_layer_add(struct wmOperatorType *ot);
 void SCENE_OT_view_layer_remove(struct wmOperatorType *ot);
 
 void SCENE_OT_light_cache_bake(struct wmOperatorType *ot);
+void SCENE_OT_light_cache_free(struct wmOperatorType *ot);
 
 void SCENE_OT_render_view_add(struct wmOperatorType *ot);
 void SCENE_OT_render_view_remove(struct wmOperatorType *ot);
diff --git a/source/blender/editors/render/render_ops.c b/source/blender/editors/render/render_ops.c
index 3051795ee76..7961ea27fdc 100644
--- a/source/blender/editors/render/render_ops.c
+++ b/source/blender/editors/render/render_ops.c
@@ -63,6 +63,7 @@ void ED_operatortypes_render(void)
 	WM_operatortype_append(SCENE_OT_render_view_remove);
 
 	WM_operatortype_append(SCENE_OT_light_cache_bake);
+	WM_operatortype_append(SCENE_OT_light_cache_free);
 
 #ifdef WITH_FREESTYLE
 	WM_operatortype_append(SCENE_OT_freestyle_module_add);
diff --git a/source/blender/editors/render/render_shading.c b/source/blender/editors/render/render_shading.c
index dc2250f5105..e0dde9b862b 100644
--- a/source/blender/editors/render/render_shading.c
+++ b/source/blender/editors/render/render_shading.c
@@ -816,6 +816,43 @@ void SCENE_OT_light_cache_bake(wmOperatorType *ot)
 	RNA_def_property_flag(ot->prop, PROP_SKIP_SAVE);
 }
 
+static bool light_cache_free_poll(bContext *C)
+{
+	Scene *scene = CTX_data_scene(C);
+
+	return scene->eevee.light_cache;
+}
+
+static int light_cache_free_exec(bContext *C, wmOperator *UNUSED(op))
+{
+	Scene *scene = CTX_data_scene(C);
+
+	if (!scene->eevee.light_cache) {
+		return OPERATOR_CANCELLED;
+	}
+
+	EEVEE_lightcache_free(scene->eevee.light_cache);
+	scene->eevee.light_cache = NULL;
+
+	DEG_id_tag_update(&scene->id, DEG_TAG_COPY_ON_WRITE);
+
+	WM_event_add_notifier(C, NC_SCENE | ND_RENDER_OPTIONS, scene);
+
+	return OPERATOR_FINISHED;
+}
+
+void SCENE_OT_light_cache_free(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Free Light Cache";
+	ot->idname = "SCENE_OT_light_cache_free";
+	ot->description = "Free cached indirect lighting";
+
+	/* api callbacks */
+	ot->exec = light_cache_free_exec;
+	ot->poll = light_cache_free_poll;
+}
+
 /********************** render view operators *********************/
 
 static bool render_view_remove_poll(bContext *C)