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Occlusion culling fixes

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jfons
2021-09-10 18:15:10 +02:00
parent 68563b5760
commit d6fb8e1d93
3 changed files with 101 additions and 71 deletions
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24
servers/rendering/renderer_scene_occlusion_cull.h
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@@ -76,26 +76,28 @@ public:
return false;
}
float min_depth;
if (p_cam_projection.is_orthogonal()) {
min_depth = (-closest_point_view.z) - p_near;
} else {
float r = -p_near / closest_point_view.z;
Vector3 closest_point_proj = Vector3(closest_point_view.x * r, closest_point_view.y * r, -p_near);
min_depth = closest_point_proj.distance_to(closest_point_view);
}
float min_depth = -closest_point_view.z * 0.95f;
Vector2 rect_min = Vector2(FLT_MAX, FLT_MAX);
Vector2 rect_max = Vector2(FLT_MIN, FLT_MIN);
for (int j = 0; j < 8; j++) {
Vector3 c = RendererSceneOcclusionCull::HZBuffer::corners[j];
const Vector3 &c = RendererSceneOcclusionCull::HZBuffer::corners[j];
Vector3 nc = Vector3(1, 1, 1) - c;
Vector3 corner = Vector3(p_bounds[0] * c.x + p_bounds[3] * nc.x, p_bounds[1] * c.y + p_bounds[4] * nc.y, p_bounds[2] * c.z + p_bounds[5] * nc.z);
Vector3 view = p_cam_inv_transform.xform(corner);
Vector3 projected = p_cam_projection.xform(view);
Vector2 normalized = Vector2(projected.x * 0.5f + 0.5f, projected.y * 0.5f + 0.5f);
Plane vp = Plane(view, 1.0);
Plane projected = p_cam_projection.xform4(vp);
float w = projected.d;
if (w < 1.0) {
rect_min = Vector2(0.0f, 0.0f);
rect_max = Vector2(1.0f, 1.0f);
break;
}
Vector2 normalized = Vector2(projected.normal.x / w * 0.5f + 0.5f, projected.normal.y / w * 0.5f + 0.5f);
rect_min = rect_min.min(normalized);
rect_max = rect_max.max(normalized);
}