| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SRC_UI_SCENIC_LIB_GFX_ENGINE_HIT_TESTER_H_ |
| #define SRC_UI_SCENIC_LIB_GFX_ENGINE_HIT_TESTER_H_ |
| |
| #include "src/ui/scenic/lib/gfx/engine/hit_accumulator.h" |
| #include "src/ui/scenic/lib/gfx/resources/nodes/node.h" |
| |
| namespace scenic_impl { |
| namespace gfx { |
| |
| // Performs a hit test on the contents and subtree of a node along the specified ray, adding hit |
| // candidates to the given accumulator. The accumulator determines which hits are kept and how they |
| // are handled. The ray and the node should be in the same coordinate system (before applying the |
| // node's own transform). |
| void HitTest(Node* node, const escher::ray4& ray, HitAccumulator<NodeHit>* accumulator); |
| |
| } // namespace gfx |
| } // namespace scenic_impl |
| |
| #endif // SRC_UI_SCENIC_LIB_GFX_ENGINE_HIT_TESTER_H_ |
