playcanvas

Version:
Open-source WebGL/WebGPU 3D engine for the web
39 lines (36 loc) • 1.12 kB
JavaScript
var gsplatCommon_default = (
  /* wgsl */
  `
#include "gsplatHelpersVS"
#include "gsplatFormatVS"
#include "gsplatStructsVS"
#include "gsplatDeclarationsVS"
#include "gsplatModifyVS"
#include "gsplatEvalSHVS"
#include "gsplatQuatToMat3VS"
#include "gsplatReadVS"
#include "gsplatSourceVS"
#include "gsplatCenterVS"
#include "gsplatCornerVS"
#include "gsplatOutputVS"

#if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
uniform alphaClip: f32;
#else
uniform alphaClipForward: f32;
#endif

// modify the gaussian corner; uses alphaClip (non-forward) or alphaClipForward (forward) to match frag
fn clipCorner(corner: ptr<function, SplatCorner>, alpha: half) {
    #if defined(SHADOW_PASS) || defined(PICK_PASS) || defined(PREPASS_PASS)
        let alphaClipValue = half(uniform.alphaClip);
    #else
        let alphaClipValue = half(uniform.alphaClipForward);
    #endif
    let clip = min(half(1.0), sqrt(max(half(0.0), log(alpha / alphaClipValue))) * half(0.5));
    corner.offset = corner.offset * f32(clip);
    corner.uv = corner.uv * clip;
}
`
);
export {
  gsplatCommon_default as default
};