Mountains Demo

The Mountains Demo is an OpenGL 4.0 demo scene showcasing various GPU based visibility determination algorithms including:

• Instance Cloud Reduction presented in the articles Instance culling using geometry shaders and Instance Cloud Reduction reloaded.
• Hierarchical-Z map based occlusion culling presented in the article Hierarchical-Z map based occlusion culling.
• Dynamic Level-of-Detail determination presented in the article GPU based dynamic geometry LOD.

It also presents some visual rendering effects such as skybox rendering, simple fog, global illumination-like effects and fake depth-of-field.

The demo application was originally published in the article OpenGL 4.0 – Mountains demo released.

Mountains Demo

View of the valley

View from above

View horizon and sky

Note: As the original source code has been written against the development branches of GLEW, SFML and GLM the source code may or may not compile without modification.