blob: 545eaf536fa4d7132ac5754a7db7047cc96492ef [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#pragma once
#include <memory>
#include <optional>
#include <vector>
#include "flutter/fml/macros.h"
#include "impeller/entity/contents/contents.h"
#include "impeller/entity/entity.h"
#include "impeller/entity/entity_pass_delegate.h"
#include "impeller/renderer/render_target.h"
#include "impeller/typographer/lazy_glyph_atlas.h"
namespace impeller {
class ContentContext;
class EntityPass {
public:
using Element = std::variant<Entity, std::unique_ptr<EntityPass>>;
EntityPass();
~EntityPass();
void SetDelegate(std::unique_ptr<EntityPassDelegate> delgate);
size_t GetSubpassesDepth() const;
std::unique_ptr<EntityPass> Clone() const;
void AddEntity(Entity entity);
void SetElements(std::vector<Element> elements);
const std::shared_ptr<LazyGlyphAtlas>& GetLazyGlyphAtlas() const;
EntityPass* AddSubpass(std::unique_ptr<EntityPass> pass);
EntityPass* GetSuperpass() const;
bool Render(ContentContext& renderer,
RenderPass& parent_pass,
Point position = Point()) const;
void IterateAllEntities(std::function<bool(Entity&)> iterator);
void SetTransformation(Matrix xformation);
void SetStencilDepth(size_t stencil_depth);
void SetBlendMode(Entity::BlendMode blend_mode);
private:
std::vector<Element> elements_;
EntityPass* superpass_ = nullptr;
Matrix xformation_;
size_t stencil_depth_ = 0u;
Entity::BlendMode blend_mode_ = Entity::BlendMode::kSourceOver;
std::unique_ptr<EntityPassDelegate> delegate_ =
EntityPassDelegate::MakeDefault();
std::shared_ptr<LazyGlyphAtlas> lazy_glyph_atlas_ =
std::make_shared<LazyGlyphAtlas>();
std::optional<Rect> GetSubpassCoverage(const EntityPass& subpass) const;
std::optional<Rect> GetElementsCoverage() const;
FML_DISALLOW_COPY_AND_ASSIGN(EntityPass);
};
struct CanvasStackEntry {
Matrix xformation;
size_t stencil_depth = 0u;
bool is_subpass = false;
bool contains_clips = false;
};
} // namespace impeller