blob: 8a9f558f3d1677e51d408df0aaa19092d8bdd8eb [file] [log] [blame]
* Copyright 2019 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef GrImageContext_DEFINED
#define GrImageContext_DEFINED
#include "include/private/GrContext_Base.h"
#include "include/private/GrSingleOwner.h"
class GrImageContextPriv;
// This is now just a view on a ThreadSafeProxy, that SkImages can attempt to
// downcast to a GrDirectContext as a backdoor to some operations. Once we remove the backdoors,
// this goes away and SkImages just hold ThreadSafeProxies.
class GrImageContext : public GrContext_Base {
~GrImageContext() override;
// Provides access to functions that aren't part of the public API.
GrImageContextPriv priv();
const GrImageContextPriv priv() const; // NOLINT(readability-const-return-type)
friend class GrImageContextPriv; // for hidden functions
SK_API virtual void abandonContext();
SK_API virtual bool abandoned();
/** This is only useful for debug purposes */
GrSingleOwner* singleOwner() const { return &fSingleOwner; }
GrImageContext* asImageContext() override { return this; }
// When making promise images, we currently need a placeholder GrImageContext instance to give
// to the SkImage that has no real power, just a wrapper around the ThreadSafeProxy.
// TODO: De-power SkImage to ThreadSafeProxy or at least figure out a way to share one instance.
static sk_sp<GrImageContext> MakeForPromiseImage(sk_sp<GrContextThreadSafeProxy>);
// In debug builds we guard against improper thread handling
// This guard is passed to the GrDrawingManager and, from there to all the
// GrSurfaceDrawContexts. It is also passed to the GrResourceProvider and SkGpuDevice.
// TODO: Move this down to GrRecordingContext.
mutable GrSingleOwner fSingleOwner;
using INHERITED = GrContext_Base;