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      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 GrSemaphoreOp_DEFINED
      9 #define GrSemaphoreOp_DEFINED
     10 
     11 #include "GrOp.h"
     12 
     13 #include "GrRenderTargetProxy.h"
     14 #include "GrSemaphore.h"
     15 #include "SkRefCnt.h"
     16 
     17 class GrSemaphoreOp : public GrOp {
     18 public:
     19     static std::unique_ptr<GrSemaphoreOp> MakeSignal(sk_sp<GrSemaphore> semaphore,
     20                                                      GrRenderTargetProxy* proxy,
     21                                                      bool forceFlush);
     22 
     23     static std::unique_ptr<GrSemaphoreOp> MakeWait(sk_sp<GrSemaphore> semaphore,
     24                                                    GrRenderTargetProxy* proxy);
     25 
     26 protected:
     27     GrSemaphoreOp(uint32_t classId, sk_sp<GrSemaphore> semaphore, GrRenderTargetProxy* proxy)
     28         : INHERITED(classId), fSemaphore(std::move(semaphore)) {
     29         this->makeFullScreen(proxy);
     30     }
     31 
     32     sk_sp<GrSemaphore> fSemaphore;
     33 
     34 private:
     35     bool onCombineIfPossible(GrOp* that, const GrCaps& caps) override { return false; }
     36     void onPrepare(GrOpFlushState*) override {}
     37 
     38     typedef GrOp INHERITED;
     39 };
     40 
     41 #endif
     42