blob: b4843ff7803439da136d6fc63e5415f9ab734e66 [file] [log] [blame]
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrSemaphore_DEFINED
#define GrSemaphore_DEFINED
#include "SkRefCnt.h"
class GrGpu;
class GrSemaphore : public SkRefCnt {
private:
// This function should only be used in the case of exporting and importing a GrSemaphore object
// from one GrContext to another. When exporting, the GrSemaphore should be set to a null GrGpu,
// and when importing it should be set to the GrGpu of the current context. Once exported, a
// GrSemaphore should not be used with its old context.
void resetGpu(const GrGpu* gpu) { fGpu = gpu; }
protected:
explicit GrSemaphore(const GrGpu* gpu) : fGpu(gpu) {}
friend class GrResourceProvider; // resetGpu
const GrGpu* fGpu;
};
#endif