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# sdk/extensions/shaders/source/NvBlastExtDamageAcceleratorInternal.h

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    00001 // This code contains NVIDIA Confidential Information and is disclosed to you
    00002 // under a form of NVIDIA software license agreement provided separately to you.
    00003 //
    00004 // Notice
    00005 // NVIDIA Corporation and its licensors retain all intellectual property and
    00006 // proprietary rights in and to this software and related documentation and
    00007 // any modifications thereto. Any use, reproduction, disclosure, or
    00008 // distribution of this software and related documentation without an express
    00009 // license agreement from NVIDIA Corporation is strictly prohibited.
    00010 //
    00011 // ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
    00012 // NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
    00013 // THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
    00014 // MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
    00015 //
    00016 // Information and code furnished is believed to be accurate and reliable.
    00017 // However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
    00018 // information or for any infringement of patents or other rights of third parties that may
    00019 // result from its use. No license is granted by implication or otherwise under any patent
    00020 // or patent rights of NVIDIA Corporation. Details are subject to change without notice.
    00021 // This code supersedes and replaces all information previously supplied.
    00022 // NVIDIA Corporation products are not authorized for use as critical
    00023 // components in life support devices or systems without express written approval of
    00024 // NVIDIA Corporation.
    00025 //
    00026 // Copyright (c) 2016-2020 NVIDIA Corporation. All rights reserved.
    00027
    00028 #pragma once
    00029
    00030 #include "NvBlastExtDamageShaders.h"
    00031 #include "PxBounds3.h"
    00032
    00033
    00034 namespace Nv
    00035 {
    00036 namespace Blast
    00037 {
    00038
    00039
    00040 class ExtDamageAcceleratorInternal : public NvBlastExtDamageAccelerator
    00041 {
    00042 public:
    00043     struct QueryBondData
    00044     {
    00045         uint32_t bond;
    00046         uint32_t node0;
    00047         uint32_t node1;
    00048     };
    00049
    00050     class ResultCallback
    00051     {
    00052     public:
    00053         ResultCallback(QueryBondData* buffer, uint32_t count) :
    00054             m_bondBuffer(buffer), m_bondMaxCount(count), m_bondCount(0) {}
    00055
    00056         virtual void processResults(const QueryBondData* bondBuffer, uint32_t count) = 0;
    00057
    00058         void push(uint32_t bond, uint32_t node0, uint32_t node1)
    00059         {
    00060             m_bondBuffer[m_bondCount].bond = bond;
    00061             m_bondBuffer[m_bondCount].node0 = node0;
    00062             m_bondBuffer[m_bondCount].node1 = node1;
    00063             m_bondCount++;
    00064             if (m_bondCount == m_bondMaxCount)
    00065             {
    00066                 dispatch();
    00067             }
    00068         }
    00069
    00070         void dispatch()
    00071         {
    00072             if (m_bondCount)
    00073             {
    00074                 processResults(m_bondBuffer, m_bondCount);
    00075                 m_bondCount = 0;
    00076             }
    00077         }
    00078
    00079     private:
    00080         QueryBondData* m_bondBuffer;
    00081         uint32_t       m_bondMaxCount;
    00082
    00083         uint32_t       m_bondCount;
    00084     };
    00085
    00086     virtual void findBondCentroidsInBounds(const physx::PxBounds3& bounds, ResultCallback& resultCallback) const = 0;
    00087     virtual void findBondSegmentsInBounds(const physx::PxBounds3& bounds, ResultCallback& resultCallback) const = 0;
    00088     virtual void findBondSegmentsPlaneIntersected(const physx::PxPlane& plane, ResultCallback& resultCallback) const = 0;
    00089
    00090     // Non-thread safe! Multiple calls return the same memory.
    00091     virtual void* getImmediateScratch(size_t size) = 0;
    00092 };
    00093
    00094
    00095 } // namespace Blast
    00096 } // namespace Nv

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