| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_MANAGER_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_MANAGER_H_ |
| |
| #include "base/containers/flat_set.h" |
| #include "base/optional.h" |
| #include "base/synchronization/lock.h" |
| #include "base/threading/thread_checker.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/command_buffer/service/shared_image_backing.h" |
| #include "gpu/gpu_gles2_export.h" |
| |
| namespace gpu { |
| class SharedImageRepresentationFactoryRef; |
| |
| class GPU_GLES2_EXPORT SharedImageManager { |
| public: |
| explicit SharedImageManager(bool thread_safe = false); |
| ~SharedImageManager(); |
| |
| // Registers a SharedImageBacking with the manager and returns a |
| // SharedImageRepresentationFactoryRef which holds a ref on the SharedImage. |
| // The factory should delete this object to release the ref. |
| std::unique_ptr<SharedImageRepresentationFactoryRef> Register( |
| std::unique_ptr<SharedImageBacking> backing, |
| MemoryTypeTracker* ref); |
| |
| // Marks the backing associated with a mailbox as context lost. |
| void OnContextLost(const Mailbox& mailbox); |
| |
| // Accessors which return a SharedImageRepresentation. Representations also |
| // take a ref on the mailbox, releasing it when the representation is |
| // destroyed. |
| std::unique_ptr<SharedImageRepresentationGLTexture> ProduceGLTexture( |
| const Mailbox& mailbox, |
| MemoryTypeTracker* ref); |
| std::unique_ptr<SharedImageRepresentationGLTexture> |
| ProduceRGBEmulationGLTexture(const Mailbox& mailbox, MemoryTypeTracker* ref); |
| std::unique_ptr<SharedImageRepresentationGLTexturePassthrough> |
| ProduceGLTexturePassthrough(const Mailbox& mailbox, MemoryTypeTracker* ref); |
| std::unique_ptr<SharedImageRepresentationSkia> ProduceSkia( |
| const Mailbox& mailbox, |
| MemoryTypeTracker* ref); |
| |
| // Called by SharedImageRepresentation in the destructor. |
| void OnRepresentationDestroyed(const Mailbox& mailbox, |
| SharedImageRepresentation* representation); |
| |
| // Dump memory for the given mailbox. |
| void OnMemoryDump(const Mailbox& mailbox, |
| base::trace_event::ProcessMemoryDump* pmd, |
| int client_id, |
| uint64_t client_tracing_id); |
| |
| bool is_thread_safe() const { return !!lock_; } |
| |
| private: |
| class AutoLock; |
| // The lock for protecting |images_|. |
| base::Optional<base::Lock> lock_; |
| |
| base::flat_set<std::unique_ptr<SharedImageBacking>> images_; |
| |
| THREAD_CHECKER(thread_checker_); |
| |
| DISALLOW_COPY_AND_ASSIGN(SharedImageManager); |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_MANAGER_H_ |