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// Copyright 2011 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.
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/layers/layer_lists.h"
#include "cc/quads/render_pass.h"
#include "cc/quads/shared_quad_state.h"
#include "cc/trees/occlusion.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/transform.h"
namespace cc {
class DamageTracker;
class DelegatedRendererLayerImpl;
class Occlusion;
class RenderPassId;
class RenderPassSink;
class LayerImpl;
class LayerIterator;
struct AppendQuadsData;
class CC_EXPORT RenderSurfaceImpl {
explicit RenderSurfaceImpl(LayerImpl* owning_layer);
virtual ~RenderSurfaceImpl();
gfx::PointF ContentRectCenter() const {
return gfx::RectF(content_rect_).CenterPoint();
// Returns the rect that encloses the RenderSurfaceImpl including any
// reflection.
gfx::RectF DrawableContentRect() const;
void SetDrawOpacity(float opacity) { draw_opacity_ = opacity; }
float draw_opacity() const { return draw_opacity_; }
void SetNearestOcclusionImmuneAncestor(RenderSurfaceImpl* surface) {
nearest_occlusion_immune_ancestor_ = surface;
const RenderSurfaceImpl* nearest_occlusion_immune_ancestor() const {
return nearest_occlusion_immune_ancestor_;
SkColor GetDebugBorderColor() const;
SkColor GetReplicaDebugBorderColor() const;
float GetDebugBorderWidth() const;
float GetReplicaDebugBorderWidth() const;
void SetDrawTransform(const gfx::Transform& draw_transform) {
draw_transform_ = draw_transform;
const gfx::Transform& draw_transform() const { return draw_transform_; }
void SetScreenSpaceTransform(const gfx::Transform& screen_space_transform) {
screen_space_transform_ = screen_space_transform;
const gfx::Transform& screen_space_transform() const {
return screen_space_transform_;
void SetReplicaDrawTransform(const gfx::Transform& replica_draw_transform) {
replica_draw_transform_ = replica_draw_transform;
const gfx::Transform& replica_draw_transform() const {
return replica_draw_transform_;
void SetReplicaScreenSpaceTransform(
const gfx::Transform& replica_screen_space_transform) {
replica_screen_space_transform_ = replica_screen_space_transform;
const gfx::Transform& replica_screen_space_transform() const {
return replica_screen_space_transform_;
void SetIsClipped(bool is_clipped) { is_clipped_ = is_clipped; }
bool is_clipped() const { return is_clipped_; }
void SetClipRect(const gfx::Rect& clip_rect);
gfx::Rect clip_rect() const { return clip_rect_; }
// When false, the RenderSurface does not contribute to another target
// RenderSurface that is being drawn for the current frame. It could still be
// drawn to as a target, but its output will not be a part of any other
// surface.
bool contributes_to_drawn_surface() const {
return contributes_to_drawn_surface_;
void set_contributes_to_drawn_surface(bool contributes_to_drawn_surface) {
contributes_to_drawn_surface_ = contributes_to_drawn_surface;
void SetContentRect(const gfx::Rect& content_rect);
gfx::Rect content_rect() const { return content_rect_; }
const Occlusion& occlusion_in_content_space() const {
return occlusion_in_content_space_;
void set_occlusion_in_content_space(const Occlusion& occlusion) {
occlusion_in_content_space_ = occlusion;
LayerImplList& layer_list() { return layer_list_; }
void AddContributingDelegatedRenderPassLayer(LayerImpl* layer);
void ClearLayerLists();
int OwningLayerId() const;
void ResetPropertyChangedFlag() { surface_property_changed_ = false; }
bool SurfacePropertyChanged() const;
bool SurfacePropertyChangedOnlyFromDescendant() const;
DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
RenderPassId GetRenderPassId();
void AppendRenderPasses(RenderPassSink* pass_sink);
void AppendQuads(RenderPass* render_pass,
const gfx::Transform& draw_transform,
const Occlusion& occlusion_in_content_space,
SkColor debug_border_color,
float debug_border_width,
LayerImpl* mask_layer,
AppendQuadsData* append_quads_data,
RenderPassId render_pass_id);
int TransformTreeIndex() const;
int ClipTreeIndex() const;
int EffectTreeIndex() const;
int TargetEffectTreeIndex() const;
LayerImpl* owning_layer_;
// Uses this surface's space.
gfx::Rect content_rect_;
bool surface_property_changed_ : 1;
bool target_surface_transforms_are_animating_ : 1;
bool screen_space_transforms_are_animating_ : 1;
bool is_clipped_ : 1;
bool contributes_to_drawn_surface_ : 1;
float draw_opacity_;
gfx::Transform draw_transform_;
gfx::Transform screen_space_transform_;
gfx::Transform replica_draw_transform_;
gfx::Transform replica_screen_space_transform_;
// Uses the space of the surface's target surface.
gfx::Rect clip_rect_;
LayerImplList layer_list_;
Occlusion occlusion_in_content_space_;
// The nearest ancestor target surface that will contain the contents of this
// surface, and that ignores outside occlusion. This can point to itself.
RenderSurfaceImpl* nearest_occlusion_immune_ancestor_;
scoped_ptr<DamageTracker> damage_tracker_;
// For LayerIteratorActions
int target_render_surface_layer_index_history_;
size_t current_layer_index_history_;
friend class LayerIterator;
} // namespace cc