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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
enne (OOO)
2014/07/28 21:38:19
ಠ_ಠ
2014, here and elsewhere
| |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 #include "cc/output/bsp_compare_result.h" | |
5 #include "cc/output/bsp_controller.h" | |
6 #include "cc/quads/draw_polygon.h" | |
7 #include "ui/gfx/vector3d_f.h" | |
8 | |
9 namespace cc { | |
10 | |
11 BspController::BspController() { | |
12 } | |
13 | |
14 BspCompareResult BspController::GetNodePositionRelative( | |
15 const DrawPolygon& node_a, | |
16 const DrawPolygon& node_b) { | |
17 return DrawPolygon::SideCompare(node_a, node_b); | |
18 } | |
19 | |
20 // The base comparer with 0,0,0 as camera position facing forward | |
21 BspCompareResult BspController::GetCameraPositionRelative( | |
22 const DrawPolygon& node) { | |
23 if (node.normal().z() > 0.0f) { | |
24 return BSP_FRONT; | |
25 } | |
26 return BSP_BACK; | |
27 } | |
28 | |
29 bool BspController::SplitPolygon(scoped_ptr<DrawPolygon> polygon, | |
30 const DrawPolygon& splitter, | |
31 scoped_ptr<DrawPolygon>* front, | |
32 scoped_ptr<DrawPolygon>* back) { | |
33 return polygon->Split(splitter, front, back); | |
34 } | |
35 | |
36 } // namespace cc | |
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