| // Copyright 2014 The Chromium 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 CC_TEST_TEST_OCCLUSION_TRACKER_H_ |
| #define CC_TEST_TEST_OCCLUSION_TRACKER_H_ |
| |
| #include "cc/layers/render_surface.h" |
| #include "cc/layers/render_surface_impl.h" |
| #include "cc/trees/occlusion_tracker.h" |
| |
| namespace cc { |
| |
| // A subclass to expose the total current occlusion. |
| template <typename LayerType> |
| class TestOcclusionTracker : public OcclusionTracker<LayerType> { |
| public: |
| explicit TestOcclusionTracker(const gfx::Rect& screen_scissor_rect) |
| : OcclusionTracker<LayerType>(screen_scissor_rect) {} |
| |
| Region occlusion_from_inside_target() const { |
| return OcclusionTracker<LayerType>::stack_.back() |
| .occlusion_from_inside_target; |
| } |
| Region occlusion_from_outside_target() const { |
| return OcclusionTracker<LayerType>::stack_.back() |
| .occlusion_from_outside_target; |
| } |
| |
| Region occlusion_on_contributing_surface_from_inside_target() const { |
| size_t stack_size = OcclusionTracker<LayerType>::stack_.size(); |
| if (stack_size < 2) |
| return Region(); |
| return OcclusionTracker<LayerType>::stack_[stack_size - 2] |
| .occlusion_from_inside_target; |
| } |
| Region occlusion_on_contributing_surface_from_outside_target() const { |
| size_t stack_size = OcclusionTracker<LayerType>::stack_.size(); |
| if (stack_size < 2) |
| return Region(); |
| return OcclusionTracker<LayerType>::stack_[stack_size - 2] |
| .occlusion_from_outside_target; |
| } |
| |
| void set_occlusion_from_outside_target(const Region& region) { |
| OcclusionTracker<LayerType>::stack_.back().occlusion_from_outside_target = |
| region; |
| } |
| void set_occlusion_from_inside_target(const Region& region) { |
| OcclusionTracker<LayerType>::stack_.back().occlusion_from_inside_target = |
| region; |
| } |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_TEST_TEST_OCCLUSION_TRACKER_H_ |