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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
#ifndef __APEX_RESOURCE_PROVIDER_H__
#define __APEX_RESOURCE_PROVIDER_H__
#include "Apex.h"
#include "PsUserAllocated.h"
#include "PsHashMap.h"
#include "ResourceProviderIntl.h"
#include "ApexString.h"
#include "PsArray.h"
namespace nvidia
{
namespace apex
{
class ApexResourceProvider : public ResourceProviderIntl, public UserAllocated
{
public:
/* == Public ResourceProvider interface == */
virtual void registerCallback(ResourceCallback* impl);
virtual void setResource(const char* nameSpace, const char* name, void* resource, bool incRefCount);
virtual void setResourceU32(const char* nameSpace, const char* name, uint32_t id, bool incRefCount);
virtual void* getResource(const char* nameSpace, const char* name);
virtual uint32_t releaseAllResourcesInNamespace(const char* nameSpace);
virtual uint32_t releaseResource(const char* nameSpace, const char* name);
virtual bool findRefCount(const char* nameSpace, const char* name, uint32_t& refCount);
virtual void* findResource(const char* nameSpace, const char* name);
virtual uint32_t findResourceU32(const char* nameSpace, const char* name); // find an existing resource.
virtual void** findAllResources(const char* nameSpace, uint32_t& count); // find all resources in this namespace
virtual const char** findAllResourceNames(const char* nameSpace, uint32_t& count); // find all resources in this namespace
virtual const char** findNameSpaces(uint32_t& count);
virtual void dumpResourceTable();
/* == Internal ResourceProviderIntl interface == */
void setResource(const char* nameSpace, const char* name, void* resource, bool valueIsSet, bool incRefCount);
ResID createNameSpace(const char* nameSpace, bool releaseAtExit)
{
return createNameSpaceInternal(nameSpace, releaseAtExit);
}
ResID createResource(ResID nameSpace, const char* name, bool refCount);
bool checkResource(ResID nameSpace, const char* name);
bool checkResource(ResID id);
void releaseResource(ResID id);
void generateUniqueName(ResID nameSpace, ApexSimpleString& name);
void* getResource(ResID id);
const char* getResourceName(ResID id);
const char* getResourceNameSpace(ResID id);
bool getResourceIDs(const char* nameSpace, ResID* outResIDs, uint32_t& outCount, uint32_t inCount);
// [PVD INTEGRATION CODE] ===========================================
PX_INLINE uint32_t getResourceCount() const
{
return mResources.size();
}
// ==================================================================
// the NRP can either be case sensitive or not, this method takes care of that option
PX_INLINE bool isCaseSensitive()
{
return mCaseSensitive;
}
/**
\brief Sets the resource provider's case sensitive mode.
\note This must be done immediately after initialization so no names are hashed
using the wrong mode.
*/
void setCaseSensitivity(bool caseSensitive)
{
mCaseSensitive = caseSensitive;
}
// uses the correct string matching function based on the case sensitivity mode
bool stringsMatch(const char* str0, const char* str1);
protected:
ApexResourceProvider();
virtual ~ApexResourceProvider();
void destroy();
private:
ResID createNameSpaceInternal(const char* &nameSpace, bool releaseAtExit);
class NameSpace: public UserAllocated
{
public:
NameSpace(ApexResourceProvider* arp, ResID nsid, bool releaseAtExit, const char* nameSpace);
~NameSpace();
ResID getOrCreateID(const char* &name, const char* NSName);
ResID getID() const
{
return mId;
}
bool releaseAtExit() const
{
return mReleaseAtExit;
}
const char* getNameSpace(void) const
{
return mNameSpace;
};
private:
struct entryHeader
{
const char* nextEntry;
ResID id;
};
enum { HashSize = 1024 };
bool mReleaseAtExit;
uint16_t genHash(const char* name);
const char* hash[HashSize];
ApexResourceProvider* mArp;
ResID mId;
char* mNameSpace;
};
// NOTE: someone thinks this struct needs to be padded to nearest 16 or 32 bytes
// it's not padded at the moment, but watch out for this
struct resource
{
void* ptr;
const char* name;
const char* nameSpace;
uint16_t refCount;
uint8_t valueIsSet;
uint8_t usedGetResource;
};
typedef physx::HashMap<ResID, ResID> HashMapNSID;
ResID getNSID(const char* nsName);
uint32_t getNSIndex(ResID nameSpace);
HashMapNSID mNSID;
NameSpace mNSNames;
physx::Array<resource> mResources;
physx::Array<NameSpace*> mNameSpaces;
ResourceCallback* mUserCallback;
physx::Array< const char* > mCharResults;
bool mCaseSensitive;
enum { UnknownValue = 0xFFFFFFFF };
friend class ApexSDKImpl;
};
}
} // end namespace nvidia::apex
#endif // __APEX_RESOURCE_PROVIDER_H__
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