A Novel GPU-Based Deformation Pipeline

Abstract

We present a new deformation pipeline that is independent of the integration solver used and allows fast rendering of deformable soft bodies on the GPU. The proposed method exploits the transform feedback mechanism of the modern GPU to bypass the CPU read-back, thus, reusing the modified positions and/or velocities of the deformable object in a single pass in real time. The whole process is being carried out on the GPU. Prior approaches have resorted to CPU read-back along with the GPGPU mechanism. In contrast, our approach does not require these steps thus saving the GPU bandwidth for other tasks. We describe our algorithm along with implementation details on the modern GPU and finally conclude with a look at the experimental results. We show how easy it is to integrate any existing integration solver into the proposed pipeline by implementing explicit Euler integration in the vertex shader on the GPU.

Mobile Visualization of Biomedical Volume Datasets

“…We are confident on the results obtained from the experiments and would like to expand the work to address specific applications such as rapid prototyping of biomedical models [10], coupling between deformation and rendering of volumetric models [11,12,19] as well as confocal endomicroscopy [15]. This will enable the ubiquitous visualization and processing capabilities in a wide application domain.…”