Abstract: A method of real-time water surface simulation based on GPU is proposed. Using this method real-time water wave can be constructed without displacement texture, and then be rendered with the Fresnel effect and the illumination model. As the rasterization is done before the fragment processing of GPU, the burden of rendering will not grow with the size and precision of water area. According to the GPU’s high capability of calculating, this method can achieve the real-time rendering.

Key words: computer application, real-time water surface simulation, illumination model, projective texture mapping