chromium/third_party/skia/src/gpu/ganesh/GrGpuResource.h

/*
 * Copyright 2014 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef GrGpuResource_DEFINED
#define GrGpuResource_DEFINED

#include "include/core/SkString.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkNoncopyable.h"
#include "include/private/base/SkTo.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/gpu/GpuTypesPriv.h"
#include "src/gpu/ResourceKey.h"

#include <atomic>
#include <cstddef>
#include <cstdint>
#include <string>
#include <string_view>

class GrDirectContext;
class GrGpu;
class GrResourceCache;
class GrSurface;
class SkTraceMemoryDump;

namespace skgpu {
enum class Budgeted : bool;
}

/**
 * Base class for GrGpuResource. Provides the hooks for resources to interact with the cache.
 * Separated out as a base class to isolate the ref-cnting behavior and provide friendship without
 * exposing all of GrGpuResource.
 *
 * PRIOR to the last ref being removed DERIVED::notifyARefCntWillBeZero() will be called
 * (static poly morphism using CRTP). It is legal for additional ref's to be added
 * during this time. AFTER the ref count reaches zero DERIVED::notifyARefCntIsZero() will be
 * called.
 */
template <typename DERIVED> class GrIORef : public SkNoncopyable { … };

/**
 * Base class for objects that can be kept in the GrResourceCache.
 */
class GrGpuResource : public GrIORef<GrGpuResource> { … };

class GrGpuResource::ProxyAccess { … };

inline GrGpuResource::ProxyAccess GrGpuResource::proxyAccess() { … }

#endif