You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.9 KiB
56 lines
1.9 KiB
/*
|
|
* 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 {
|
|
public:
|
|
~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)
|
|
|
|
protected:
|
|
friend class GrImageContextPriv; // for hidden functions
|
|
|
|
GrImageContext(sk_sp<GrContextThreadSafeProxy>);
|
|
|
|
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; }
|
|
|
|
private:
|
|
// 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;
|
|
};
|
|
|
|
#endif
|