xref: /aosp_15_r20/external/skia/src/gpu/ganesh/GrBackendSemaphore.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
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 #include "include/gpu/ganesh/GrBackendSemaphore.h"
9 
10 #include "include/private/base/SkAssert.h"
11 #include "include/private/base/SkDebug.h"
12 #include "src/gpu/ganesh/GrBackendSemaphorePriv.h"
13 
14 #ifdef SK_DIRECT3D
15 #include "include/gpu/ganesh/d3d/GrD3DTypes.h"
16 #endif
17 
GrBackendSemaphore()18 GrBackendSemaphore::GrBackendSemaphore()
19         : fBackend(GrBackendApi::kUnsupported), fIsInitialized(false) {}
20 
21 GrBackendSemaphoreData::~GrBackendSemaphoreData() = default;
22 
~GrBackendSemaphore()23 GrBackendSemaphore::~GrBackendSemaphore() {
24 #ifdef SK_DIRECT3D
25     if (fIsInitialized && GrBackendApi::kDirect3D == fBackend) {
26         delete fD3DFenceInfo;
27         fD3DFenceInfo = nullptr;
28         fIsInitialized = false;
29     }
30 #endif
31 }
32 
GrBackendSemaphore(const GrBackendSemaphore & that)33 GrBackendSemaphore::GrBackendSemaphore(const GrBackendSemaphore& that) {
34     fIsInitialized = false;
35     *this = that;
36 }
37 
operator =(const GrBackendSemaphore & that)38 GrBackendSemaphore& GrBackendSemaphore::operator=(const GrBackendSemaphore& that) {
39     SkASSERT(!fIsInitialized || fBackend == that.fBackend);
40     fBackend = that.fBackend;
41     fSemaphoreData.reset();
42     switch (that.fBackend) {
43         case GrBackendApi::kOpenGL:
44             SK_ABORT("Unsupported");
45             break;
46         case GrBackendApi::kVulkan:
47         case GrBackendApi::kMetal:
48             that.fSemaphoreData->copyTo(fSemaphoreData);
49             break;
50 #ifdef SK_DIRECT3D
51         case GrBackendApi::kDirect3D:
52             this->assignD3DFenceInfo(*that.fD3DFenceInfo);
53             break;
54 #endif
55         default:
56             SK_ABORT("Unknown GrBackend");
57     }
58     fIsInitialized = true;
59     return *this;
60 }
61 
62 #ifdef SK_DIRECT3D
assignD3DFenceInfo(const GrD3DFenceInfo & info)63 void GrBackendSemaphore::assignD3DFenceInfo(const GrD3DFenceInfo& info) {
64     SkASSERT(GrBackendApi::kDirect3D == fBackend);
65     if (fIsInitialized) {
66         *fD3DFenceInfo = info;
67     } else {
68         fD3DFenceInfo = new GrD3DFenceInfo(info);
69     }
70 }
71 
getD3DFenceInfo(GrD3DFenceInfo * outInfo) const72 bool GrBackendSemaphore::getD3DFenceInfo(GrD3DFenceInfo* outInfo) const {
73     if (fIsInitialized && GrBackendApi::kDirect3D == fBackend) {
74         *outInfo = *fD3DFenceInfo;
75         return true;
76     }
77     return false;
78 }
79 #endif // SK_DIRECT3D
80