1 /*
2  * Copyright 2020 Google LLC
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 GrD3DCommandSignature_DEFINED
9 #define GrD3DCommandSignature_DEFINED
10 
11 #include "include/gpu/d3d/GrD3DTypes.h"
12 #include "src/gpu/GrManagedResource.h"
13 
14 class GrD3DGpu;
15 
16 class GrD3DCommandSignature : public GrManagedResource {
17 public:
18     enum class ForIndexed : bool {
19         kYes = true,
20         kNo = false
21     };
22     static sk_sp<GrD3DCommandSignature> Make(GrD3DGpu* gpu, ForIndexed indexed, unsigned int slot);
23 
isCompatible(ForIndexed indexed,unsigned int slot)24     bool isCompatible(ForIndexed indexed, unsigned int slot) const {
25         return (fIndexed == indexed && fSlot == slot);
26     }
27 
commandSignature()28     ID3D12CommandSignature* commandSignature() const { return fCommandSignature.get(); }
29 
30 #ifdef SK_TRACE_MANAGED_RESOURCES
31     /** Output a human-readable dump of this resource's information
32     */
dumpInfo()33     void dumpInfo() const override {
34         SkDebugf("GrD3DCommandSignature: %p, (%d refs)\n",
35                  fCommandSignature.get(), this->getRefCnt());
36     }
37 #endif
38 
39 private:
GrD3DCommandSignature(gr_cp<ID3D12CommandSignature> commandSignature,ForIndexed indexed,unsigned int slot)40     GrD3DCommandSignature(gr_cp<ID3D12CommandSignature> commandSignature, ForIndexed indexed,
41                           unsigned int slot)
42         : fCommandSignature(commandSignature)
43         , fIndexed(indexed)
44         , fSlot(slot) {}
45 
46     // This will be called right before this class is destroyed and there is no reason to explicitly
47     // release the fCommandSignature cause the gr_cp will handle that in the dtor.
freeGPUData()48     void freeGPUData() const override {}
49 
50     gr_cp<ID3D12CommandSignature> fCommandSignature;
51     ForIndexed fIndexed;
52     unsigned int fSlot;
53 };
54 
55 #endif
56