@playcanvas/splat-transform/dist/lib/gpu/shaders/chunks/projection-pinhole.d.ts

Library and CLI tool for 3D Gaussian splat format conversion and transformation

/**
 * Pinhole near-plane cull + perspective screen mapping.
 *
 * Reads:   cx, cy, cz, uniforms.near, uniforms.focalX, uniforms.focalY,
 *          uniforms.imageWidth, uniforms.imageHeight
 * Defines: invZ, screenX, screenY
 *
 * Splats with cz <= near are written invalid and the shader returns.
 */
declare const projectionPinhole = "\n    if (cz <= uniforms.near) { writeInvalid(i); return; }\n\n    let invZ = 1.0 / cz;\n    let screenX = uniforms.focalX * cx * invZ + f32(uniforms.imageWidth) * 0.5;\n    let screenY = uniforms.focalY * cy * invZ + f32(uniforms.imageHeight) * 0.5;\n";
export { projectionPinhole };