Module rect 

Fast pixel-aligned rectangle rendering directly into strips.

Functions

alpha_mask_from_x_coverage 🔒

Build an alpha mask for the 4x4 tile from the given horizontal coverages, splatting them across the other dimension.

combined_tile_alpha 🔒

Compute the alphas for a single 4x4 tile, taking horizontal as well as vertical coverage of the rectangle into account.

coverage 🔒

Compute fractional pixel coverage for N consecutive pixels starting at start.

render

Render a pixel-aligned rectangle directly into strips.

render_impl 🔒

Generates strip data for an axis-aligned rectangle.