Differential D2575 Diff 8470 intern/cycles/render/mesh.cpp

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intern/cycles/render/mesh.cpp

Show First 20 Lines • Show All 628 Lines • ▼ Show 20 Lines	if(subd_faces.size()) {
SubdFace& s = subd_faces[subd_faces.size()-1];		SubdFace& s = subd_faces[subd_faces.size()-1];
ptex_offset = s.ptex_offset + s.num_ptex_faces();		ptex_offset = s.ptex_offset + s.num_ptex_faces();
}		}

SubdFace face = {start_corner, num_corners, shader_, smooth_, ptex_offset};		SubdFace face = {start_corner, num_corners, shader_, smooth_, ptex_offset};
subd_faces.push_back_reserved(face);		subd_faces.push_back_reserved(face);
}		}

		static void get_uv_tiles_from_attribute(Attribute *attr, int num, vector<int> &tiles, int columns)
		{
		if(!attr) {
		return;
		}

		const float3 *uv = attr->data_float3();
		int size = tiles.size();
		for(int i = 0; i < num; i++, uv++) {
		float u = uv->x, v = uv->y;

		int x = clamp((int) u, 0, columns-1);
		int y = max((int) v, 0);

		/* Be conservative in corners - precisely touching the right-upper corner of a tile
		* should not load its right-upper neighbor as well. */
		if(x && (u == x)) x--;
		if(y && (v == y)) y--;

		int id = y*columns + x;
		if(id >= size) {
		tiles.resize(id+1);
		size = id;
		}
		if(tiles[id] == 0) {
		VLOG(2) << "Allocating UDIM ID " << id << " for UV " << uv->x << " " << uv->y;
		}
		tiles[id] = 1;
		}
		}

		void Mesh::get_uv_tiles(ustring map, vector<int> &tiles, int columns)
		{
		if(map.empty()) {
		get_uv_tiles_from_attribute(attributes.find(ATTR_STD_UV),
		num_triangles()*3,
		tiles,
		columns);
		get_uv_tiles_from_attribute(subd_attributes.find(ATTR_STD_UV),
		subd_face_corners.size() + num_ngons,
		tiles,
		columns);
		get_uv_tiles_from_attribute(curve_attributes.find(ATTR_STD_UV),
		num_curves(),
		tiles,
		columns);
		}
		else {
		get_uv_tiles_from_attribute(attributes.find(map),
		num_triangles()*3,
		tiles,
		columns);
		get_uv_tiles_from_attribute(subd_attributes.find(map),
		subd_face_corners.size() + num_ngons,
		tiles,
		columns);
		get_uv_tiles_from_attribute(curve_attributes.find(map),
		num_curves(),
		tiles,
		columns);
		}
		}

void Mesh::compute_bounds()		void Mesh::compute_bounds()
{		{
BoundBox bnds = BoundBox::empty;		BoundBox bnds = BoundBox::empty;
size_t verts_size = verts.size();		size_t verts_size = verts.size();
size_t curve_keys_size = curve_keys.size();		size_t curve_keys_size = curve_keys.size();

if(verts_size + curve_keys_size > 0) {		if(verts_size + curve_keys_size > 0) {
for(size_t i = 0; i < verts_size; i++)		for(size_t i = 0; i < verts_size; i++)
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