1 files changed, 75 insertions, 0 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(){
+
+}