Line data    Source code

       1             : /*
       2             :  * Copyright 2017 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : 
       8             : #ifndef GrSemaphore_DEFINED
       9             : #define GrSemaphore_DEFINED
      10             : 
      11             : #include "SkRefCnt.h"
      12             : 
      13             : class GrGpu;
      14             : 
      15           0 : class GrSemaphore : public SkRefCnt {
      16             : private:
      17             :     // This function should only be used in the case of exporting and importing a GrSemaphore object
      18             :     // from one GrContext to another. When exporting, the GrSemaphore should be set to a null GrGpu,
      19             :     // and when importing it should be set to the GrGpu of the current context. Once exported, a
      20             :     // GrSemaphore should not be used with its old context.
      21           0 :     void resetGpu(const GrGpu* gpu) { fGpu = gpu; }
      22             : 
      23             : protected:
      24           0 :     explicit GrSemaphore(const GrGpu* gpu) : fGpu(gpu) {}
      25             : 
      26             :     friend class GrResourceProvider; // resetGpu
      27             : 
      28             :     const GrGpu* fGpu;
      29             : };
      30             : 
      31             : #endif