indexbuffertar
An index buffer is a data structure used in computer graphics to store a list of indices. These indices reference vertices stored in a separate vertex buffer. Instead of drawing each individual triangle or polygon by listing its vertices directly, an index buffer allows for more efficient rendering by reusing vertices. This means that if multiple triangles share the same vertex, that vertex only needs to be stored once in the vertex buffer and then referenced multiple times in the index buffer. This significantly reduces the amount of data that needs to be sent to the graphics processing unit (GPU), leading to faster rendering performance, especially for complex models with many repeating geometric features.
When rendering geometry using an index buffer, the graphics pipeline first accesses the vertex buffer to retrieve