5 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp
index ff0741f425..84f29facf4 100644
--- a/drivers/gles3/rasterizer_canvas_gles3.cpp
+++ b/drivers/gles3/rasterizer_canvas_gles3.cpp
@@ -1115,6 +1115,10 @@ void RasterizerCanvasGLES3::canvas_render_items(Item *p_item_list, int p_z, cons
 					_copy_texscreen(Rect2());
 				}
 
+				if (shader_ptr->canvas_item.uses_time) {
+					VisualServerRaster::redraw_request();
+				}
+
 				state.canvas_shader.set_custom_shader(shader_ptr->custom_code_id);
 				state.canvas_shader.bind();
 
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 690709e585..fb4b465d8a 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -32,6 +32,7 @@
 #include "os/os.h"
 #include "project_settings.h"
 #include "rasterizer_canvas_gles3.h"
+#include "servers/visual/visual_server_raster.h"
 
 #ifndef GLES_OVER_GL
 #define glClearDepth glClearDepthf
@@ -2315,6 +2316,10 @@ void RasterizerSceneGLES3::_add_geometry_with_material(RasterizerStorageGLES3::G
 
 		e->sort_key |= SORT_KEY_VERTEX_LIT_FLAG;
 	}
+
+	if (p_material->shader->spatial.uses_time) {
+		VisualServerRaster::redraw_request();
+	}
 }
 
 void RasterizerSceneGLES3::_draw_sky(RasterizerStorageGLES3::Sky *p_sky, const CameraMatrix &p_projection, const Transform &p_transform, bool p_vflip, float p_scale, float p_energy) {
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index 91ba3aa702..a744abdfa8 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -1584,6 +1584,7 @@ void RasterizerStorageGLES3::_update_shader(Shader *p_shader) const {
 			shaders.actions_canvas.usage_flag_pointers["SCREEN_UV"] = &p_shader->canvas_item.uses_screen_uv;
 			shaders.actions_canvas.usage_flag_pointers["SCREEN_PIXEL_SIZE"] = &p_shader->canvas_item.uses_screen_uv;
 			shaders.actions_canvas.usage_flag_pointers["SCREEN_TEXTURE"] = &p_shader->canvas_item.uses_screen_texture;
+			shaders.actions_canvas.usage_flag_pointers["TIME"] = &p_shader->canvas_item.uses_time;
 
 			actions = &shaders.actions_canvas;
 			actions->uniforms = &p_shader->uniforms;
@@ -1632,6 +1633,7 @@ void RasterizerStorageGLES3::_update_shader(Shader *p_shader) const {
 			shaders.actions_scene.usage_flag_pointers["SSS_STRENGTH"] = &p_shader->spatial.uses_sss;
 			shaders.actions_scene.usage_flag_pointers["DISCARD"] = &p_shader->spatial.uses_discard;
 			shaders.actions_scene.usage_flag_pointers["SCREEN_TEXTURE"] = &p_shader->spatial.uses_screen_texture;
+			shaders.actions_scene.usage_flag_pointers["TIME"] = &p_shader->spatial.uses_time;
 
 			shaders.actions_scene.write_flag_pointers["MODELVIEW_MATRIX"] = &p_shader->spatial.writes_modelview_or_projection;
 			shaders.actions_scene.write_flag_pointers["PROJECTION_MATRIX"] = &p_shader->spatial.writes_modelview_or_projection;
diff --git a/drivers/gles3/rasterizer_storage_gles3.h b/drivers/gles3/rasterizer_storage_gles3.h
index f75b77aabe..b26032dbc4 100644
--- a/drivers/gles3/rasterizer_storage_gles3.h
+++ b/drivers/gles3/rasterizer_storage_gles3.h
@@ -410,6 +410,7 @@ public:
 			int light_mode;
 			bool uses_screen_texture;
 			bool uses_screen_uv;
+			bool uses_time;
 
 		} canvas_item;
 
@@ -449,6 +450,7 @@ public:
 			bool uses_discard;
 			bool uses_sss;
 			bool uses_screen_texture;
+			bool uses_time;
 			bool writes_modelview_or_projection;
 			bool uses_vertex_lighting;
 
diff --git a/scene/2d/canvas_item.cpp b/scene/2d/canvas_item.cpp
index 4f00966e75..a7c5d1adbb 100644
--- a/scene/2d/canvas_item.cpp
+++ b/scene/2d/canvas_item.cpp
@@ -37,6 +37,7 @@
 #include "scene/resources/style_box.h"
 #include "scene/resources/texture.h"
 #include "scene/scene_string_names.h"
+#include "servers/visual/visual_server_raster.h"
 #include "servers/visual_server.h"
 
 Mutex *CanvasItemMaterial::material_mutex = NULL;