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fix(renderer): keep draw-order offsets within clipping planes

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Christopher Overbeck committed 2026-09-15 12:36:05 -05:00
1 parent 0e42e3bf28
commit e52e565b1f
26 files changed
+525 -90
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src/shaders/wire_indexed.wgsl
+2 -3
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@@ -53,7 +53,6 @@ struct InstanceIn {
@location(7) taper_ratio: vec2<f32>,
}
const DRAW_ORDER_BIAS: f32 = 0.001;
const MODEL_LINEWEIGHT_BOOST: f32 = 2.0;
const MODEL_LINEWEIGHT_MAX_PX: f32 = 10.0;
@@ -172,7 +171,7 @@ fn marker_relative(position_high: vec3<f32>, position_low: vec3<f32>, c: WireCon
let pos_rel = mix(rel_a, rel_b, which_end);
let world_pos = pos_rel + perp_world * (eff_hw * side);
var clip_pos = u.view_rot * vec4<f32>(world_pos, 1.0);
clip_pos.z = clip_pos.z - c.draw_depth * DRAW_ORDER_BIAS * clip_pos.w;
clip_pos = apply_draw_order(clip_pos, c.draw_depth);
final_clip = clip_pos;
out_dist = mix(in.distance_a, in.distance_b, which_end);
@@ -206,7 +205,7 @@ fn marker_relative(position_high: vec3<f32>, position_low: vec3<f32>, c: WireCon
let offset_px = perp * hw * side + dir * hw * ext;
let ndc_offset = offset_px / (u.viewport_size * 0.5);
var clip_pos_out = clip_pos + vec4<f32>(ndc_offset * clip_pos.w, 0.0, 0.0);
clip_pos_out.z = clip_pos_out.z - c.draw_depth * DRAW_ORDER_BIAS * clip_pos_out.w;
clip_pos_out = apply_draw_order(clip_pos_out, c.draw_depth);
final_clip = clip_pos_out;
out_dist = mix(in.distance_a, in.distance_b, which_end) + ext * hw * u.world_per_pixel;