Abstract: Methods and apparatus, including computer program products, for a light painting live view. A method includes, in a device comprising at least a processor, a memory, a display and a camera device having an on-screen viewfinder, accessing the camera, capturing individual frames of footage, each of the captured frames being displayed through the on-screen viewfinder in cumulative succession, rendering the captured frames on a graphical processing unit (GPU), sending the captured frames through a shader program, generating at least two images, a first image saved to the memory and a second image displayed on the display, and rendering the first image into the second image to generate a final image.