Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 57 insertions, 0 deletions

diff --git a/APEX_1.4/common/include/ReadCheck.h b/APEX_1.4/common/include/ReadCheck.h
new file mode 100644
index 00000000..21529ae5
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+++ b/APEX_1.4/common/include/ReadCheck.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+
+
+#ifndef READ_CHECK_H
+#define READ_CHECK_H
+
+#include "PxSimpleTypes.h"
+#include "ApexUsingNamespace.h"
+
+namespace nvidia
+{
+namespace apex
+{
+
+class ApexRWLockable;
+
+// RAII wrapper around the Scene::apexStartRead() method, note that this
+// object does not acquire any scene locks, it is an error checking only mechanism
+class ReadCheck
+{
+public: 
+	ReadCheck(const ApexRWLockable* scene, const char* functionName);
+	~ReadCheck();
+
+private:
+	const ApexRWLockable* mLockable;
+	const char* mName;
+	uint32_t mErrorCount;
+};
+
+#if (PX_DEBUG || PX_CHECKED)
+	// Creates a scoped read check object that detects whether appropriate scene locks
+	// have been acquired and checks if reads/writes overlap, this macro should typically
+	// be placed at the beginning of any const API methods that are not multi-thread safe, 
+	// the error conditions checked can be summarized as:
+	
+	// 1. Other threads were already writing, or began writing during the object lifetime
+	#define READ_ZONE() ReadCheck __readCheck(static_cast<const ApexRWLockable*>(this), __FUNCTION__);
+#else
+	#define READ_ZONE()
+#endif
+
+}
+}
+
+#endif // READ_CHECK_H