src/cobalt/renderer/test/scenes/all_scenes_combined_scene.cc

/*
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "cobalt/renderer/test/scenes/all_scenes_combined_scene.h"

#include "base/debug/trace_event.h"
#include "cobalt/math/matrix3_f.h"
#include "cobalt/math/size_f.h"
#include "cobalt/render_tree/composition_node.h"
#include "cobalt/renderer/test/scenes/growing_rect_scene.h"
#include "cobalt/renderer/test/scenes/image_wrap_scene.h"
#include "cobalt/renderer/test/scenes/marquee_scene.h"
#include "cobalt/renderer/test/scenes/spinning_sprites_scene.h"

using cobalt::math::Matrix3F;
using cobalt::math::SizeF;
using cobalt::render_tree::CompositionNode;
using cobalt::render_tree::ResourceProvider;
using cobalt::render_tree::animations::NodeAnimationsMap;

namespace cobalt {
namespace renderer {
namespace test {
namespace scenes {

RenderTreeWithAnimations CreateAllScenesCombinedScene(
    ResourceProvider* resource_provider, const SizeF& output_dimensions,
    base::TimeDelta start_time) {
  TRACE_EVENT0("cobalt::renderer_sandbox",
               "CreateAllScenesCombinedScene()");
  CompositionNode::Builder all_scenes_combined_scene_builder;
  NodeAnimationsMap::Builder animations;

  // Compose all the render trees representing the sub-scenes through a
  // composition node, and merge the animations into one large set.
  RenderTreeWithAnimations growing_rect_scene =
      CreateGrowingRectScene(output_dimensions, start_time);
  all_scenes_combined_scene_builder.AddChild(growing_rect_scene.render_tree);
  animations.Merge(*growing_rect_scene.animations);

  RenderTreeWithAnimations spinning_sprites_scene =
      CreateSpinningSpritesScene(
          resource_provider, output_dimensions, start_time);
  all_scenes_combined_scene_builder.AddChild(
      spinning_sprites_scene.render_tree);
  animations.Merge(*spinning_sprites_scene.animations);

  RenderTreeWithAnimations image_wrap_scene =
      CreateImageWrapScene(resource_provider, output_dimensions, start_time);
  all_scenes_combined_scene_builder.AddChild(image_wrap_scene.render_tree);
  animations.Merge(*image_wrap_scene.animations);

  RenderTreeWithAnimations marquee_scene =
      CreateMarqueeScene(resource_provider, output_dimensions, start_time);
  all_scenes_combined_scene_builder.AddChild(marquee_scene.render_tree);
  animations.Merge(*marquee_scene.animations);

  return RenderTreeWithAnimations(
      new CompositionNode(all_scenes_combined_scene_builder.Pass()),
      new NodeAnimationsMap(animations.Pass()));
}

}  // namespace scenes
}  // namespace test
}  // namespace renderer
}  // namespace cobalt