frame_sink_resource_manager.cc 1.6 KB

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  1. // Copyright 2019 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "components/exo/frame_sink_resource_manager.h"
  5. #include <utility>
  6. namespace exo {
  7. FrameSinkResourceManager::FrameSinkResourceManager() {}
  8. FrameSinkResourceManager::~FrameSinkResourceManager() {
  9. ClearAllCallbacks();
  10. }
  11. bool FrameSinkResourceManager::HasReleaseCallbackForResource(
  12. viz::ResourceId id) {
  13. return release_callbacks_.find(id) != release_callbacks_.end();
  14. }
  15. void FrameSinkResourceManager::SetResourceReleaseCallback(
  16. viz::ResourceId id,
  17. ReleaseCallback callback) {
  18. DCHECK(!callback.is_null());
  19. release_callbacks_[id] = std::move(callback);
  20. }
  21. viz::ResourceId FrameSinkResourceManager::AllocateResourceId() {
  22. return id_generator_.GenerateNextId();
  23. }
  24. bool FrameSinkResourceManager::HasNoCallbacks() const {
  25. return release_callbacks_.empty();
  26. }
  27. void FrameSinkResourceManager::ReclaimResource(viz::ReturnedResource resource) {
  28. auto it = release_callbacks_.find(resource.id);
  29. if (it != release_callbacks_.end()) {
  30. std::move(it->second).Run(std::move(resource));
  31. release_callbacks_.erase(it);
  32. }
  33. }
  34. void FrameSinkResourceManager::ClearAllCallbacks() {
  35. for (auto& callback : release_callbacks_)
  36. std::move(callback.second)
  37. .Run(viz::ReturnedResource(viz::kInvalidResourceId, gpu::SyncToken(),
  38. /*release_fence=*/gfx::GpuFenceHandle(),
  39. /*count=*/0, /*lost=*/true));
  40. release_callbacks_.clear();
  41. }
  42. } // namespace exo