| // 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 <stddef.h> |
| |
| #include "cc/layers/render_surface_impl.h" |
| #include "cc/trees/occlusion_tracker.h" |
| |
| namespace cc { |
| |
| // A subclass to expose the total current occlusion. |
| class TestOcclusionTracker : public OcclusionTracker { |
| public: |
| explicit TestOcclusionTracker(const gfx::Rect& screen_scissor_rect) |
| : OcclusionTracker(screen_scissor_rect) {} |
| |
| SimpleEnclosedRegion occlusion_from_inside_target() const { |
| return stack_.back().occlusion_from_inside_target; |
| } |
| SimpleEnclosedRegion occlusion_from_outside_target() const { |
| return stack_.back().occlusion_from_outside_target; |
| } |
| |
| SimpleEnclosedRegion occlusion_on_contributing_surface_from_inside_target() |
| const { |
| size_t stack_size = stack_.size(); |
| if (stack_size < 2) |
| return SimpleEnclosedRegion(); |
| return stack_[stack_size - 2].occlusion_from_inside_target; |
| } |
| SimpleEnclosedRegion occlusion_on_contributing_surface_from_outside_target() |
| const { |
| size_t stack_size = stack_.size(); |
| if (stack_size < 2) |
| return SimpleEnclosedRegion(); |
| return stack_[stack_size - 2].occlusion_from_outside_target; |
| } |
| |
| void set_occlusion_from_outside_target(const SimpleEnclosedRegion& region) { |
| stack_.back().occlusion_from_outside_target = region; |
| } |
| void set_occlusion_from_inside_target(const SimpleEnclosedRegion& region) { |
| stack_.back().occlusion_from_inside_target = region; |
| } |
| |
| void set_occlusion_on_contributing_surface_from_outside_target( |
| const SimpleEnclosedRegion& region) { |
| size_t stack_size = stack_.size(); |
| DCHECK_GE(stack_size, 2u); |
| stack_[stack_size - 2].occlusion_from_outside_target = region; |
| } |
| void set_occlusion_on_contributing_surface_from_inside_target( |
| const SimpleEnclosedRegion& region) { |
| size_t stack_size = stack_.size(); |
| DCHECK_GE(stack_size, 2u); |
| stack_[stack_size - 2].occlusion_from_inside_target = region; |
| } |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_TEST_TEST_OCCLUSION_TRACKER_H_ |