src/gpu/graphite/ContextPriv.h

/*
 * Copyright 2021 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_ContextPriv_DEFINED
#define skgpu_graphite_ContextPriv_DEFINED

#include "include/gpu/graphite/Context.h"
#include "src/gpu/graphite/QueueManager.h"
#include "src/gpu/graphite/SharedContext.h"

class SkShaderCodeDictionary;

namespace skgpu::graphite {

class Caps;
class GlobalCache;
class ResourceProvider;

/** Class that adds methods to Context that are only intended for use internal to Skia.
    This class is purely a privileged window into Context. It should never have additional
    data members or virtual methods. */
class ContextPriv {
public:
#if GRAPHITE_TEST_UTILS
    const Caps* caps() const { return fContext->fSharedContext->caps(); }

    const SkShaderCodeDictionary* shaderCodeDictionary() const {
        return fContext->fSharedContext->shaderCodeDictionary();
    }
    SkShaderCodeDictionary* shaderCodeDictionary() {
        return fContext->fSharedContext->shaderCodeDictionary();
    }

    void startCapture() {
        fContext->fQueueManager->startCapture();
    }
    void stopCapture() {
        fContext->fQueueManager->stopCapture();
    }
#endif

private:
    friend class Context; // to construct/copy this type.

    explicit ContextPriv(Context* context) : fContext(context) {}

    ContextPriv& operator=(const ContextPriv&) = delete;

    // No taking addresses of this type.
    const ContextPriv* operator&() const;
    ContextPriv *operator&();

    Context* fContext;
};

inline ContextPriv Context::priv() { return ContextPriv(this); }

// NOLINTNEXTLINE(readability-const-return-type)
inline const ContextPriv Context::priv() const {
    return ContextPriv(const_cast<Context *>(this));
}

} // namespace skgpu::graphite

#endif // skgpu_graphite_ContextPriv_DEFINED