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// Copyright 2014 The Chromium Authors
// 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_
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