Tag
perspective-divide
- Mar 30, 2026 Perspective-Correct Interpolation and the Reciprocal-W Trick Why screen-space linear interpolation of a clip-space attribute is wrong, how dividing by w before the rasterizer and dividing back after the vector unit restores correctness, and what it costs. gpu computing
- Sep 29, 2022 Homogeneous Clipping and Why Rasterizers Use a Guard Band How triangles are clipped against the view volume in clip space before the perspective divide, why clipping only the near plane is usually enough, and what the guard band buys. gpu computing