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// Copyright 2018 The Chromium Authors
// 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_SHARED_IMAGE_MANAGER_H_
#define GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SHARED_IMAGE_MANAGER_H_
#include <optional>
#include "base/memory/scoped_refptr.h"
#include "base/synchronization/lock.h"
#include "base/threading/thread_checker.h"
#include "base/trace_event/memory_dump_provider.h"
#include "build/build_config.h"
#include "gpu/command_buffer/common/mailbox.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
#include "gpu/command_buffer/service/shared_image/shared_image_backing.h"
#include "gpu/gpu_gles2_export.h"
#include "gpu/vulkan/buildflags.h"
#include "third_party/abseil-cpp/absl/container/flat_hash_map.h"
#if BUILDFLAG(IS_WIN)
namespace gfx {
class D3DSharedFence;
}
#endif
namespace gpu {
class DXGISharedHandleManager;
class SharedImageRepresentationFactoryRef;
class GPU_GLES2_EXPORT SharedImageManager
: public base::trace_event::MemoryDumpProvider {
public:
// If |thread_safe| is set, the manager itself can be safely accessed from
// other threads but the backings themselves may not be thread-safe so
// representations should not be created on other threads. When
// |display_context_on_another_thread| is set, we make sure that all
// SharedImages that will be used in the display context have thread-safe
// backings and therefore it is safe to create representations on the thread
// that holds the display context.
explicit SharedImageManager(bool thread_safe = false,
bool display_context_on_another_thread = false);
SharedImageManager(const SharedImageManager&) = delete;
SharedImageManager& operator=(const SharedImageManager&) = delete;
~SharedImageManager() override;
#if BUILDFLAG(IS_OZONE)
void SetSupportsOverlays(bool supports_overlays) {
supports_overlays_on_ozone_ = supports_overlays;
}
#endif
// base::trace_event::MemoryDumpProvider implementation:
bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) override;
// 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);
std::unique_ptr<SharedImageRepresentationFactoryRef> AddSecondaryReference(
const Mailbox& mailbox,
MemoryTypeTracker* tracker);
// Accessors which return a SharedImageRepresentation. Representations also
// take a ref on the mailbox, releasing it when the representation is
// destroyed.
std::unique_ptr<GLTextureImageRepresentation> ProduceGLTexture(
const Mailbox& mailbox,
MemoryTypeTracker* ref);
std::unique_ptr<GLTexturePassthroughImageRepresentation>
ProduceGLTexturePassthrough(const Mailbox& mailbox, MemoryTypeTracker* ref);
std::unique_ptr<SkiaImageRepresentation> ProduceSkia(
const Mailbox& mailbox,
MemoryTypeTracker* ref,
scoped_refptr<SharedContextState> context_state);
// ProduceDawn must also be called using same |device| if
// using the same |mailbox|. This is because the underlying shared image
// compatibility also depends on the WGPUAdapter which ProduceDawn does not
// associate with the representation.
// TODO(crbug.com/40730564): Revisit this in the future for WebGPU
// multi-adapter support.
std::unique_ptr<DawnImageRepresentation> ProduceDawn(
const Mailbox& mailbox,
MemoryTypeTracker* ref,
const wgpu::Device& device,
wgpu::BackendType backend_type,
std::vector<wgpu::TextureFormat> view_formats,
scoped_refptr<SharedContextState> context_state);
std::unique_ptr<DawnBufferRepresentation> ProduceDawnBuffer(
const Mailbox& mailbox,
MemoryTypeTracker* ref,
const wgpu::Device& device,
wgpu::BackendType backend_type);
std::unique_ptr<OverlayImageRepresentation> ProduceOverlay(
const Mailbox& mailbox,
MemoryTypeTracker* ref);
std::unique_ptr<MemoryImageRepresentation> ProduceMemory(
const Mailbox& mailbox,
MemoryTypeTracker* ref);
std::unique_ptr<RasterImageRepresentation> ProduceRaster(
const Mailbox& mailbox,
MemoryTypeTracker* ref);
std::unique_ptr<VideoImageRepresentation> ProduceVideo(
VideoDevice device,
const Mailbox& mailbox,
MemoryTypeTracker* ref);
#if BUILDFLAG(ENABLE_VULKAN)
std::unique_ptr<VulkanImageRepresentation> ProduceVulkan(
const Mailbox& mailbox,
MemoryTypeTracker* ref,
gpu::VulkanDeviceQueue* vulkan_device_queue,
gpu::VulkanImplementation& vulkan_impl,
bool needs_detiling);
#endif
#if BUILDFLAG(IS_ANDROID)
std::unique_ptr<LegacyOverlayImageRepresentation> ProduceLegacyOverlay(
const Mailbox& mailbox,
MemoryTypeTracker* ref);
#endif
#if BUILDFLAG(IS_WIN)
void UpdateExternalFence(const Mailbox& mailbox,
scoped_refptr<gfx::D3DSharedFence> external_fence);
#endif
// Provides the usage flags supported by the given |mailbox|. Returns nullopt
// if no backing is registered for `mailbox`.
std::optional<SharedImageUsageSet> GetUsageForMailbox(const Mailbox& mailbox);
// Called by SharedImageRepresentation in the destructor.
void OnRepresentationDestroyed(const Mailbox& mailbox,
SharedImageRepresentation* representation);
void SetPurgeable(const Mailbox& mailbox, bool purgeable);
bool is_thread_safe() const { return !!lock_; }
bool display_context_on_another_thread() const {
return display_context_on_another_thread_;
}
bool SupportsScanoutImages();
// Returns the NativePixmap backing |mailbox|. Returns null if the SharedImage
// doesn't exist or is not backed by a NativePixmap. The caller is not
// expected to read from or write into the provided NativePixmap because it
// can be modified by the client at any time. The primary purpose of this
// method is to facilitate pageflip testing on the viz thread.
scoped_refptr<gfx::NativePixmap> GetNativePixmap(const gpu::Mailbox& mailbox);
#if BUILDFLAG(IS_WIN)
const scoped_refptr<DXGISharedHandleManager>& dxgi_shared_handle_manager()
const {
return dxgi_shared_handle_manager_;
}
#endif
private:
class AutoLock;
SharedImageBacking* GetBacking(const gpu::Mailbox& mailbox) const
EXCLUSIVE_LOCKS_REQUIRED(lock_);
// The lock for protecting |images_|.
std::optional<base::Lock> lock_;
absl::flat_hash_map<gpu::Mailbox, std::unique_ptr<SharedImageBacking>> images_
GUARDED_BY(lock_);
const bool display_context_on_another_thread_;
bool is_registered_as_memory_dump_provider_ = false;
#if BUILDFLAG(IS_WIN)
scoped_refptr<DXGISharedHandleManager> dxgi_shared_handle_manager_;
#endif
#if BUILDFLAG(IS_OZONE)
bool supports_overlays_on_ozone_ = false;
#endif
THREAD_CHECKER(thread_checker_);
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_SHARED_IMAGE_SHARED_IMAGE_MANAGER_H_
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