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// Copyright 2023 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_GRAPHITE_CACHE_CONTROLLER_H_
#define GPU_COMMAND_BUFFER_SERVICE_GRAPHITE_CACHE_CONTROLLER_H_
#include "base/cancelable_callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "gpu/gpu_gles2_export.h"
namespace skgpu::graphite {
class Recorder;
} // namespace skgpu::graphite
namespace gpu {
class DawnContextProvider;
class GraphiteSharedContext;
namespace raster {
// GraphiteCacheController is not thread-safe; it can be created on any thread,
// but it must be destroyed on the same thread that ScheduleCleanup is called.
class GPU_GLES2_EXPORT GraphiteCacheController final
: public base::RefCounted<GraphiteCacheController> {
public:
// |context| and |dawn_context_provider| are optional e.g. Viz thread
// GraphiteCacheController won't cleanup the Graphite context or
// DawnContextProvider which live on GPU main thread.
explicit GraphiteCacheController(
skgpu::graphite::Recorder* recorder,
bool can_handle_context_resources = false,
DawnContextProvider* dawn_context_provider = nullptr);
GraphiteCacheController(const GraphiteCacheController&) = delete;
GraphiteCacheController& operator=(const GraphiteCacheController&) = delete;
// Schedule cleanup for the graphite cache; the cleanup will be performed
// after ScheduleCleanup() is not called for a while after going idle.
void ScheduleCleanup();
base::WeakPtr<GraphiteCacheController> AsWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
// Cleans up all Skia-owned scratch resources.
void CleanUpScratchResources();
// Cleans up all resources.
void CleanUpAllResources();
private:
friend class base::RefCounted<GraphiteCacheController>;
~GraphiteCacheController();
// If the controller is only for a recorder, aka for viz thread recorer, then
// it operates in local mode where it only considers if current controller is
// idle. If the controller is for recorder+context then it operates in global
// mode where it waits for all global controllers to be idle.
bool UseGlobalIdleId() const;
uint32_t GetIdleId() const;
void ScheduleCleanUpAllResources(uint32_t idle_id);
void MaybeCleanUpAllResources(uint32_t posted_idle_id);
void CleanUpAllResourcesImpl();
GraphiteSharedContext* GetGraphiteSharedContext();
const raw_ptr<skgpu::graphite::Recorder> recorder_;
const raw_ptr<DawnContextProvider> dawn_context_provider_;
uint32_t local_idle_id_ = 0;
base::CancelableOnceClosure idle_cleanup_cb_;
// If multiple DawnContextProviders share the same graphite::Context, only one
// controller is responsible for cleaning up the graphite context resources.
// TODO(crbug.com/407874799): Fix the issue that dawn cleanup won't happen if
// no work is done on CrGpuMain to call into ScheduleCleanup() and start the
// timer.
const bool can_handle_context_resources_;
SEQUENCE_CHECKER(sequence_checker_);
base::WeakPtrFactory<GraphiteCacheController> weak_ptr_factory_{this};
};
} // namespace raster
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_GRAPHITE_CACHE_CONTROLLER_H_
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