Research and Application of Global Illumination Algorithm in Interior Design

In order to understand the application of global illumination algorithm in interior design, a study and application of global illumination algorithm in interior design are proposed. This paper first analyzes the global illumination algorithm, and adopts a combination of lighting maps and immediate radiance to calculate the global illumination based on the specific situation of indoor design rendering, such as scenes, a large number of indoor light sources, and the ability of light sources to move freely. Secondly, sum the indirect lighting values calculated by the GPU and the direct lighting values calculated by the CPU using a multi light source Phong lighting model. Finally, the final image was generated, achieving global illumination rendering of multi light scenes with dynamic main light source and dynamic camera.