// Copyright 2017 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
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#ifndef SRC_DAWN_NATIVE_COMPUTEPIPELINE_H_
#define SRC_DAWN_NATIVE_COMPUTEPIPELINE_H_

#include "dawn/common/ContentLessObjectCacheable.h"
#include "dawn/common/NonCopyable.h"
#include "dawn/native/Forward.h"
#include "dawn/native/Pipeline.h"

namespace dawn::native {

class DeviceBase;
struct EntryPointMetadata;

MaybeError ValidateComputePipelineDescriptor(DeviceBase* device,
                                             const ComputePipelineDescriptor* descriptor);

class ComputePipelineBase : public PipelineBase,
                            public ContentLessObjectCacheable<ComputePipelineBase> {
  public:
    ComputePipelineBase(DeviceBase* device,
                        const UnpackedPtr<ComputePipelineDescriptor>& descriptor);
    ~ComputePipelineBase() override;

    static Ref<ComputePipelineBase> MakeError(DeviceBase* device, const char* label);

    ObjectType GetType() const override;

    // Functors necessary for the unordered_set<ComputePipelineBase*>-based cache.
    struct EqualityFunc {
        bool operator()(const ComputePipelineBase* a, const ComputePipelineBase* b) const;
    };

    bool IsFullSubgroupsRequired() const;

  protected:
    void DestroyImpl() override;

  private:
    ComputePipelineBase(DeviceBase* device, ObjectBase::ErrorTag tag, const char* label);

    bool mRequiresFullSubgroups;
};

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_COMPUTEPIPELINE_H_