added option to disable automatic clearing of viewport render buffer

1 files changed, 5 insertions, 0 deletions

diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index 832a6b6107..d2a22401bd 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -114,6 +114,7 @@ friend class RenderTargetTexture;
 
 	bool transparent_bg;
 	bool render_target_vflip;
+	bool render_target_clear_on_new_frame;
 	bool render_target_filter;
 	bool render_target_gen_mipmaps;
 
@@ -220,6 +221,10 @@ public:
 	void set_render_target_vflip(bool p_enable);
 	bool get_render_target_vflip() const;
 
+	void set_render_target_clear_on_new_frame(bool p_enable);
+	bool get_render_target_clear_on_new_frame() const;
+	void render_target_clear();
+
 	void set_render_target_filter(bool p_enable);
 	bool get_render_target_filter() const;