Added C API for IReferenceCounters

3 files changed, 114 insertions, 0 deletions

diff --git a/Primitives/interface/ReferenceCounters.h b/Primitives/interface/ReferenceCounters.h
index 1f6a77c5..8dd2070d 100644
--- a/Primitives/interface/ReferenceCounters.h
+++ b/Primitives/interface/ReferenceCounters.h
@@ -120,6 +120,46 @@ public:
 
 #else
 
+struct IObject;
+struct IReferenceCounters;
+
+// clang-format off
+
+typedef struct IReferenceCountersMethods
+{
+    ReferenceCounterValueType (*AddStrongRef)      (struct IReferenceCounters*);
+    ReferenceCounterValueType (*ReleaseStrongRef)  (struct IReferenceCounters*);
+    ReferenceCounterValueType (*AddWeakRef)        (struct IReferenceCounters*);
+    ReferenceCounterValueType (*ReleaseWeakRef)    (struct IReferenceCounters*);
+    void                      (*GetObject)         (struct IReferenceCounters*, struct IObject** ppObject);
+    ReferenceCounterValueType (*GetNumStrongRefs)  (struct IReferenceCounters*);
+    ReferenceCounterValueType (*GetNumWeakRefs)    (struct IReferenceCounters*);
+} IReferenceCountersMethods;
+
+typedef struct IReferenceCountersVtbl
+{
+    IReferenceCountersMethods ReferenceCounters;
+} IReferenceCountersVtbl;
+
+// clang-format on
+
+typedef struct IReferenceCounters
+{
+    struct IReferenceCountersVtbl* pVtbl;
+} IReferenceCounters;
+
+// clang-format off
+
+#    define IReferenceCounters_AddStrongRef(This)      CALL_IFACE_METHOD(ReferenceCounters, AddStrongRef,     This)
+#    define IReferenceCounters_ReleaseStrongRef(This)  CALL_IFACE_METHOD(ReferenceCounters, ReleaseStrongRef, This)
+#    define IReferenceCounters_AddWeakRef(This)        CALL_IFACE_METHOD(ReferenceCounters, AddWeakRef,       This)
+#    define IReferenceCounters_ReleaseWeakRef(This)    CALL_IFACE_METHOD(ReferenceCounters, ReleaseWeakRef,   This)
+#    define IReferenceCounters_GetObject(This, ...)    CALL_IFACE_METHOD(ReferenceCounters, GetObject,        This, __VA_ARGS__)
+#    define IReferenceCounters_GetNumStrongRefs(This)  CALL_IFACE_METHOD(ReferenceCounters, GetNumStrongRefs, This)
+#    define IReferenceCounters_GetNumWeakRefs(This)    CALL_IFACE_METHOD(ReferenceCounters, GetNumWeakRefs,   This)
+
+// clang-format on
+
 #endif
 
 DILIGENT_END_NAMESPACE // namespace Diligent
diff --git a/Tests/IncludeTest/Primitives/ReferenceCountersH_test.c b/Tests/IncludeTest/Primitives/ReferenceCountersH_test.c
new file mode 100644
index 00000000..b3631d86
--- /dev/null
+++ b/Tests/IncludeTest/Primitives/ReferenceCountersH_test.c
@@ -0,0 +1,46 @@
+/*
+ *  Copyright 2019-2020 Diligent Graphics LLC
+ *  Copyright 2015-2019 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#include "DiligentCore/Primitives/interface/ReferenceCounters.h"
+#include "DiligentCore/Primitives/interface/Object.h"
+
+void TestReferenceCounters_CInterface(IReferenceCounters* pRefCounters)
+{
+    ReferenceCounterValueType rc = 0;
+
+    rc = IReferenceCounters_AddStrongRef(pRefCounters);
+    rc = IReferenceCounters_ReleaseStrongRef(pRefCounters);
+    rc = IReferenceCounters_AddWeakRef(pRefCounters);
+    rc = IReferenceCounters_ReleaseWeakRef(pRefCounters);
+
+    struct IObject* pObject = NULL;
+    IReferenceCounters_GetObject(pRefCounters, &pObject);
+    IObject_Release(pObject);
+
+    rc = IReferenceCounters_GetNumStrongRefs(pRefCounters);
+    rc = IReferenceCounters_GetNumWeakRefs(pRefCounters);
+}
diff --git a/Tests/IncludeTest/Primitives/ReferenceCountersH_test.cpp b/Tests/IncludeTest/Primitives/ReferenceCountersH_test.cpp
new file mode 100644
index 00000000..10a74d4b
--- /dev/null
+++ b/Tests/IncludeTest/Primitives/ReferenceCountersH_test.cpp
@@ -0,0 +1,28 @@
+/*
+ *  Copyright 2019-2020 Diligent Graphics LLC
+ *  Copyright 2015-2019 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#include "DiligentCore/Primitives/interface/ReferenceCounters.h"