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// Copyright 2016 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_TREES_EFFECT_NODE_H_
#define CC_TREES_EFFECT_NODE_H_
#include "cc/base/cc_export.h"
#include "cc/output/filter_operations.h"
#include "third_party/skia/include/core/SkBlendMode.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/size_f.h"
namespace base {
namespace trace_event {
class TracedValue;
} // namespace trace_event
} // namespace base
namespace cc {
struct CC_EXPORT EffectNode {
EffectNode();
EffectNode(const EffectNode& other);
// The node index of this node in the effect tree node vector.
int id;
// The node index of the parent node in the effect tree node vector.
int parent_id;
// The layer id of the layer that owns this node.
int owning_layer_id;
float opacity;
float screen_space_opacity;
FilterOperations filters;
FilterOperations background_filters;
gfx::PointF filters_origin;
SkBlendMode blend_mode;
gfx::Vector2dF surface_contents_scale;
gfx::Size unscaled_mask_target_size;
bool has_render_surface;
// Only applicable if has render surface. A true value means a clip needs to
// be applied to the output of the surface when it is drawn onto its parent
// surface.
// TODO(crbug.com/504464): There is ongoing work to delay render surface
// decision to later phase of the pipeline. This flag shall be removed and
// computed during render surface decision.
bool surface_is_clipped;
bool has_copy_request;
bool hidden_by_backface_visibility;
bool double_sided;
bool is_drawn;
// TODO(jaydasika) : Delete this after implementation of
// SetHideLayerAndSubtree is cleaned up. (crbug.com/595843)
bool subtree_hidden;
bool has_potential_filter_animation;
bool has_potential_opacity_animation;
bool is_currently_animating_filter;
bool is_currently_animating_opacity;
// We need to track changes to effects on the compositor to compute damage
// rect.
bool effect_changed;
int num_copy_requests_in_subtree;
bool has_unclipped_descendants;
int transform_id;
int clip_id;
// Effect node id of which this effect contributes to.
int target_id;
int mask_layer_id;
bool operator==(const EffectNode& other) const;
void AsValueInto(base::trace_event::TracedValue* value) const;
};
} // namespace cc
#endif // CC_TREES_EFFECT_NODE_H_
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