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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/quads/draw_polygon.h" | 5 #include "cc/quads/draw_polygon.h" |
| 6 | 6 |
| 7 #include <stddef.h> |
| 8 |
| 7 #include <vector> | 9 #include <vector> |
| 8 | 10 |
| 9 #include "cc/output/bsp_compare_result.h" | 11 #include "cc/output/bsp_compare_result.h" |
| 10 #include "cc/quads/draw_quad.h" | 12 #include "cc/quads/draw_quad.h" |
| 11 | 13 |
| 12 namespace { | 14 namespace { |
| 13 // This threshold controls how "thick" a plane is. If a point's distance is | 15 // This threshold controls how "thick" a plane is. If a point's distance is |
| 14 // <= |compare_threshold|, then it is considered on the plane. Only when this | 16 // <= |compare_threshold|, then it is considered on the plane. Only when this |
| 15 // boundary is crossed do we consider doing splitting. | 17 // boundary is crossed do we consider doing splitting. |
| 16 static const float compare_threshold = 0.1f; | 18 static const float compare_threshold = 0.1f; |
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| 361 quads->push_back( | 363 quads->push_back( |
| 362 gfx::QuadF(first, | 364 gfx::QuadF(first, |
| 363 gfx::PointF(points_[offset].x(), points_[offset].y()), | 365 gfx::PointF(points_[offset].x(), points_[offset].y()), |
| 364 gfx::PointF(points_[op1].x(), points_[op1].y()), | 366 gfx::PointF(points_[op1].x(), points_[op1].y()), |
| 365 gfx::PointF(points_[op2].x(), points_[op2].y()))); | 367 gfx::PointF(points_[op2].x(), points_[op2].y()))); |
| 366 offset = op2; | 368 offset = op2; |
| 367 } | 369 } |
| 368 } | 370 } |
| 369 | 371 |
| 370 } // namespace cc | 372 } // namespace cc |
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