| // 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. |
| |
| #include "flutter/shell/platform/embedder/embedder_render_target_cache.h" |
| |
| namespace flutter { |
| |
| EmbedderRenderTargetCache::EmbedderRenderTargetCache() = default; |
| |
| EmbedderRenderTargetCache::~EmbedderRenderTargetCache() = default; |
| |
| std::unique_ptr<EmbedderRenderTarget> |
| EmbedderRenderTargetCache::GetRenderTarget( |
| const EmbedderExternalView::RenderTargetDescriptor& descriptor) { |
| auto compatible_target = cached_render_targets_.find(descriptor); |
| if (compatible_target == cached_render_targets_.end()) { |
| return nullptr; |
| } |
| auto target = std::move(compatible_target->second); |
| cached_render_targets_.erase(compatible_target); |
| return target; |
| } |
| |
| std::set<std::unique_ptr<EmbedderRenderTarget>> |
| EmbedderRenderTargetCache::ClearAllRenderTargetsInCache() { |
| std::set<std::unique_ptr<EmbedderRenderTarget>> cleared_targets; |
| for (auto& targets : cached_render_targets_) { |
| cleared_targets.insert(std::move(targets.second)); |
| } |
| cached_render_targets_.clear(); |
| return cleared_targets; |
| } |
| |
| void EmbedderRenderTargetCache::CacheRenderTarget( |
| std::unique_ptr<EmbedderRenderTarget> target) { |
| if (target == nullptr) { |
| return; |
| } |
| auto desc = EmbedderExternalView::RenderTargetDescriptor{ |
| target->GetRenderTargetSize()}; |
| cached_render_targets_.insert(std::make_pair(desc, std::move(target))); |
| } |
| |
| size_t EmbedderRenderTargetCache::GetCachedTargetsCount() const { |
| return cached_render_targets_.size(); |
| } |
| |
| } // namespace flutter |