back buffer copy node, to improve on texscreen()

back buffer copy node and respective demo

3 files changed, 116 insertions, 1 deletions

diff --git a/scene/2d/back_buffer_copy.cpp b/scene/2d/back_buffer_copy.cpp
new file mode 100644
index 0000000000..245b3ba7eb
--- /dev/null
+++ b/scene/2d/back_buffer_copy.cpp
@@ -0,0 +1,75 @@
+#include "back_buffer_copy.h"
+
+void BackBufferCopy::_update_copy_mode() {
+
+	switch(copy_mode) {
+
+		case COPY_MODE_DISALED: {
+
+			VS::get_singleton()->canvas_item_set_copy_to_backbuffer(get_canvas_item(),false,Rect2());
+		} break;
+		case COPY_MODE_RECT: {
+
+			VS::get_singleton()->canvas_item_set_copy_to_backbuffer(get_canvas_item(),true,rect);
+		} break;
+		case COPY_MODE_VIEWPORT: {
+
+			VS::get_singleton()->canvas_item_set_copy_to_backbuffer(get_canvas_item(),true,Rect2());
+
+		} break;
+
+	}
+}
+
+Rect2 BackBufferCopy::get_item_rect() const {
+
+	return rect;
+}
+
+void BackBufferCopy::set_rect(const Rect2& p_rect) {
+
+	rect=p_rect;
+	_update_copy_mode();
+}
+
+Rect2 BackBufferCopy::get_rect() const{
+	return rect;
+}
+
+void BackBufferCopy::set_copy_mode(CopyMode p_mode){
+
+	copy_mode=p_mode;
+	_update_copy_mode();
+}
+BackBufferCopy::CopyMode BackBufferCopy::get_copy_mode() const{
+
+	return copy_mode;
+}
+
+
+void BackBufferCopy::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("set_rect","rect"),&BackBufferCopy::set_rect);
+	ObjectTypeDB::bind_method(_MD("get_rect"),&BackBufferCopy::get_rect);
+
+	ObjectTypeDB::bind_method(_MD("set_copy_mode","copy_mode"),&BackBufferCopy::set_copy_mode);
+	ObjectTypeDB::bind_method(_MD("get_copy_mode"),&BackBufferCopy::get_copy_mode);
+
+	ADD_PROPERTY( PropertyInfo(Variant::INT,"copy_mode",PROPERTY_HINT_ENUM,"Disabled,Rect,Viewport"),_SCS("set_copy_mode"),_SCS("get_copy_mode"));
+	ADD_PROPERTY( PropertyInfo(Variant::RECT2,"rect"),_SCS("set_rect"),_SCS("get_rect"));
+
+	BIND_CONSTANT( COPY_MODE_DISALED );
+	BIND_CONSTANT( COPY_MODE_RECT );
+	BIND_CONSTANT( COPY_MODE_VIEWPORT );
+
+}
+
+BackBufferCopy::BackBufferCopy(){
+
+	rect=Rect2(-100,-100,200,200);
+	copy_mode=COPY_MODE_RECT;
+	_update_copy_mode();
+}
+BackBufferCopy::~BackBufferCopy(){
+
+}
diff --git a/scene/2d/back_buffer_copy.h b/scene/2d/back_buffer_copy.h
new file mode 100644
index 0000000000..d6777a8d23
--- /dev/null
+++ b/scene/2d/back_buffer_copy.h
@@ -0,0 +1,41 @@
+#ifndef BACKBUFFERCOPY_H
+#define BACKBUFFERCOPY_H
+
+#include "scene/2d/node_2d.h"
+
+class BackBufferCopy : public Node2D {
+	OBJ_TYPE( BackBufferCopy,Node2D);
+public:
+	enum CopyMode {
+		COPY_MODE_DISALED,
+		COPY_MODE_RECT,
+		COPY_MODE_VIEWPORT
+	};
+private:
+
+	Rect2 rect;
+	CopyMode copy_mode;
+
+	void _update_copy_mode();
+
+protected:
+
+	static void _bind_methods();
+
+public:
+
+	void set_rect(const Rect2& p_rect);
+	Rect2 get_rect() const;
+
+	void set_copy_mode(CopyMode p_mode);
+	CopyMode get_copy_mode() const;
+
+	Rect2 BackBufferCopy::get_item_rect() const;
+
+	BackBufferCopy();
+	~BackBufferCopy();
+};
+
+VARIANT_ENUM_CAST(BackBufferCopy::CopyMode);
+
+#endif // BACKBUFFERCOPY_H
diff --git a/scene/2d/canvas_item.cpp b/scene/2d/canvas_item.cpp
index 1002713740..436b77a1ac 100644
--- a/scene/2d/canvas_item.cpp
+++ b/scene/2d/canvas_item.cpp
@@ -44,7 +44,6 @@ bool CanvasItemMaterial::_set(const StringName& p_name, const Variant& p_value)
 		return true;
 	} else if (p_name==SceneStringNames::get_singleton()->shader_unshaded) {
 		set_unshaded(p_value);
-		print_line("set unshaded");
 		return true;
 	} else {