Electronic device for providing ar/vr environment, and operation method thereof

An electronic device comprising:

• a display;
• a processor, and
• a memory operatively connected to the display and the processor,
• wherein the memory stores instructions that, when executed, cause the processor to:
• execute a first application providing a stereoscopic screen;
• store a first execution screen generated by rendering a screen provided by the first application in a first frame buffer;
• identify an execution request of a second application providing a non-stereoscopic screen while the first execution screen is displayed on the display;
• execute the second application in response to the execution request of the second application;
• store a second execution screen generated by rendering a screen provided by the second application in the first frame buffer;
• store a third execution screen generated by stereoscopic rendering of the second execution screen in a second frame buffer different from the first frame buffer;
• change a frame buffer which is referenced by the display from the first frame buffer to the second frame buffer;
• and
• allow the display to display the third execution screen.