scene_encoder.h

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// 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 <string>
#include <vector>
 
#include "flutter/fml/macros.h"
#include "impeller/renderer/command_buffer.h"
#include "impeller/scene/camera.h"
#include "impeller/scene/geometry.h"
#include "impeller/scene/material.h"
 
namespace impeller {
namespace scene {
 
class Scene;
 
struct SceneCommand {
  std::string label;
  Matrix transform;
  Geometry* geometry;
  Material* material;
};
 
class SceneEncoder {
 public:
  void Add(const SceneCommand& command);
 
 private:
  SceneEncoder();
 
  std::shared_ptr<CommandBuffer> BuildSceneCommandBuffer(
      const SceneContext& scene_context,
      const Matrix& camera_transform,
      RenderTarget render_target) const;
 
  std::vector<SceneCommand> commands_;
 
  friend Scene;
 
  FML_DISALLOW_COPY_AND_ASSIGN(SceneEncoder);
};
 
}  // namespace scene
}  // namespace impeller