blob: 1abea65fc976ad04ec700cccdef9b92dbb5f801a [file] [log] [blame]
/*
* Copyright 2022 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef skgpu_graphite_SynchronizeToCpuTask_DEFINED
#define skgpu_graphite_SynchronizeToCpuTask_DEFINED
#include "src/gpu/graphite/Buffer.h"
#include "src/gpu/graphite/Task.h"
namespace skgpu::graphite {
class Buffer;
/**
* Task that synchronizes the contents of a buffer from the GPU to the CPU. This task ensures that
* all modifications to the buffer made the GPU are visible from the CPU. This task may not result
* in any work if the underlying buffer does not require synchronization (e.g. a shared memory
* buffer).
*/
class SynchronizeToCpuTask final : public Task {
public:
static sk_sp<SynchronizeToCpuTask> Make(sk_sp<Buffer>);
~SynchronizeToCpuTask() override;
bool prepareResources(ResourceProvider*, const RuntimeEffectDictionary*) override {
return true;
}
bool addCommands(Context*, CommandBuffer*) override;
private:
explicit SynchronizeToCpuTask(sk_sp<Buffer> buffer) : fBuffer(std::move(buffer)) {}
sk_sp<Buffer> fBuffer;
};
} // namespace skgpu::graphite
#endif // skgpu_graphite_SynchronizeToCpuTask_DEFINED