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Diffstat (limited to 'APEX_1.4/module/pxparticleios/include/ParticleIosCommonCode.h')
| -rw-r--r-- | APEX_1.4/module/pxparticleios/include/ParticleIosCommonCode.h | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/APEX_1.4/module/pxparticleios/include/ParticleIosCommonCode.h b/APEX_1.4/module/pxparticleios/include/ParticleIosCommonCode.h deleted file mode 100644 index 86278a0f..00000000 --- a/APEX_1.4/module/pxparticleios/include/ParticleIosCommonCode.h +++ /dev/null @@ -1,288 +0,0 @@ -/* - * 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. - */ - - -#ifndef __PARTICLE_IOS_COMMON_CODE_H__ -#define __PARTICLE_IOS_COMMON_CODE_H__ - -#include "ParticleIosCommon.h" - - -namespace nvidia -{ -namespace pxparticleios -{ - -#ifdef __CUDACC__ - -#define SIM_FETCH(name, idx) tex1Dfetch(KERNEL_TEX_REF(name), idx) -#define SIM_FLOAT4 float4 -#define SIM_INT_AS_FLOAT(x) *(const float*)(&x) -#define SIM_INJECTOR_ARRAY const InjectorParamsArray& -#define SIM_FETCH_INJECTOR(injectorArray, injParams, injector) injectorArray.fetchElem(INPLACE_STORAGE_ARGS_VAL, injParams, injector) - -PX_CUDA_CALLABLE PX_INLINE float splitFloat4(PxVec3& v3, const SIM_FLOAT4& f4) -{ - v3.x = f4.x; - v3.y = f4.y; - v3.z = f4.z; - return f4.w; -} -PX_CUDA_CALLABLE PX_INLINE SIM_FLOAT4 combineFloat4(const PxVec3& v3, float w) -{ - return make_float4(v3.x, v3.y, v3.z, w); -} - -struct PxInternalParticleFlagGpu -{ - enum Enum - { - //reserved (1<<0), - //reserved (1<<1), - //reserved (1<<2), - //reserved (1<<3), - //reserved (1<<4), - //reserved (1<<5), - eCUDA_NOTIFY_CREATE = (1 << 6), - eCUDA_NOTIFY_SET_POSITION = (1 << 7), - }; -}; -struct PxParticleFlag -{ - enum Enum - { - eVALID = (1 << 0), - eCOLLISION_WITH_STATIC = (1 << 1), - eCOLLISION_WITH_DYNAMIC = (1 << 2), - eCOLLISION_WITH_DRAIN = (1 << 3), - eSPATIAL_DATA_STRUCTURE_OVERFLOW = (1 << 4), - }; -}; -struct PxParticleFlagGpu -{ - uint16_t api; // PxParticleFlag - uint16_t low; // PxInternalParticleFlagGpu -}; - -#else - -#define SIM_FETCH(name, idx) mem##name[idx] -#define SIM_FLOAT4 PxVec4 -#define SIM_INT_AS_FLOAT(x) *(const float*)(&x) -#define SIM_INJECTOR_ARRAY const Px3InjectorParams* -#define SIM_FETCH_INJECTOR(injectorArray, injParams, injector) { injParams = injectorArray[injector]; } - -PX_INLINE float splitFloat4(PxVec3& v3, const SIM_FLOAT4& f4) -{ - v3 = f4.getXYZ(); - return f4.w; -} -PX_INLINE SIM_FLOAT4 combineFloat4(const PxVec3& v3, float w) -{ - return PxVec4(v3.x, v3.y, v3.z, w); -} - -#endif - - -APEX_CUDA_CALLABLE PX_INLINE float calcParticleBenefit( - const Px3InjectorParams& inj, const PxVec3& eyePos, - const PxVec3& pos, const PxVec3& vel, float life) -{ - float benefit = inj.mLODBias; - //distance term - float distance = (eyePos - pos).magnitude(); - benefit += inj.mLODDistanceWeight * (1.0f - PxMin(1.0f, distance / inj.mLODMaxDistance)); - //velocity term, TODO: clamp velocity - float velMag = vel.magnitude(); - benefit += inj.mLODSpeedWeight * velMag; - //life term - benefit += inj.mLODLifeWeight * life; - - return PxClamp(benefit, 0.0f, 1.0f); -} - - - -INPLACE_TEMPL_VA_ARGS_DEF(typename FieldAccessor) -APEX_CUDA_CALLABLE PX_INLINE float simulateParticle( - INPLACE_STORAGE_ARGS_DEF, SIM_INJECTOR_ARRAY injectorArray, - float deltaTime, - PxVec3 eyePos, - bool isNewParticle, - unsigned int srcIdx, - unsigned int dstIdx, - SIM_FLOAT4* memPositionMass, - SIM_FLOAT4* memVelocityLife, - SIM_FLOAT4* memCollisionNormalFlags, - uint32_t* memUserData, - IofxActorIDIntl* memIofxActorIDs, - float* memLifeSpan, - float* memLifeTime, - float* memDensity, - unsigned int* memInjector, - FieldAccessor& fieldAccessor, - unsigned int &injIndex, - const GridDensityParams params, -#ifdef __CUDACC__ - SIM_FLOAT4* memPxPosition, - SIM_FLOAT4* memPxVelocity, - SIM_FLOAT4* memPxCollision, - float* memPxDensity, - unsigned int* memNvFlags -#else - PxVec3& position, - PxVec3& velocity, - PxVec3& collisionNormal, - uint32_t& particleFlags, - float& density -#endif -) -{ - CPU_INPLACE_STORAGE_ARGS_UNUSED - PX_UNUSED(memCollisionNormalFlags); - PX_UNUSED(memDensity); - PX_UNUSED(fieldAccessor); - PX_UNUSED(params); - - float mass; -#ifdef __CUDACC__ - PxVec3 position; - PxVec3 velocity; - PxVec3 collisionNormal; - uint32_t particleFlags; - float density; -#endif - - //read - float lifeSpan = SIM_FETCH(LifeSpan, srcIdx); - unsigned int injector = SIM_FETCH(Injector, srcIdx); - IofxActorIDIntl iofxActorID = IofxActorIDIntl(SIM_FETCH(IofxActorIDs, srcIdx)); - - float lifeTime = lifeSpan; - if (!isNewParticle) - { - lifeTime = SIM_FETCH(LifeTime, srcIdx); - lifeTime = PxMax(lifeTime - deltaTime, 0.0f); - -#ifndef __CUDACC__ - mass = memPositionMass[srcIdx].w; - - /* Apply field sampler velocity */ - fieldAccessor(srcIdx, velocity); -#endif - } - else - { - collisionNormal = PxVec3(0.0f); - particleFlags = 0; - density = 0.0f; - splitFloat4(velocity, SIM_FETCH(VelocityLife, srcIdx)); -#ifdef __CUDACC__ - } - { -#endif - mass = splitFloat4(position, SIM_FETCH(PositionMass, srcIdx)); - } - -#ifdef __CUDACC__ - if (isNewParticle) - { - memPxPosition[dstIdx] = combineFloat4(position, 0); - memPxVelocity[dstIdx] = combineFloat4(velocity, 0); - - PxParticleFlagGpu flags; - flags.api = PxParticleFlag::eVALID; - flags.low = PxInternalParticleFlagGpu::eCUDA_NOTIFY_CREATE; - memNvFlags[dstIdx] = *((unsigned int*)&flags); - } - else - { - const SIM_FLOAT4 pxPosition = SIM_FETCH(PxPosition, srcIdx); - const SIM_FLOAT4 pxVelocity = SIM_FETCH(PxVelocity, srcIdx); - - if (memPxDensity) - { - density = SIM_FETCH(PxDensity, srcIdx); - memPxDensity[dstIdx] = density; - } - splitFloat4(position, pxPosition); - splitFloat4(velocity, pxVelocity); - - PxParticleFlagGpu flags; - *((uint32_t*)&flags) = SIM_FETCH(NvFlags, srcIdx); - - /* Apply field sampler velocity */ - fieldAccessor(srcIdx, velocity); - memPxVelocity[dstIdx] = combineFloat4(velocity, pxVelocity.w); - - splitFloat4(collisionNormal, SIM_FETCH(PxCollision, srcIdx)); - particleFlags = flags.api; - - if (dstIdx != srcIdx) - { - memPxPosition[dstIdx] = pxPosition; - - flags.low |= PxInternalParticleFlagGpu::eCUDA_NOTIFY_SET_POSITION; - memNvFlags[dstIdx] = *((uint32_t*)&flags); - } - } -#endif - - Px3InjectorParams injParams; - SIM_FETCH_INJECTOR(injectorArray, injParams, injector); - injIndex = injParams.mLocalIndex; - // injParams.mLODBias == FLT_MAX if injector was released! - // and IOFX returns IofxActorIDIntl::NO_VOLUME for homeless/dead particles - bool validActorID = (injParams.mLODBias < FLT_MAX) - && (isNewParticle || (iofxActorID.getVolumeID() != IofxActorIDIntl::NO_VOLUME)) - && position.isFinite() && velocity.isFinite(); - if (!validActorID) - { - iofxActorID.setActorClassID(IofxActorIDIntl::IPX_ACTOR); - injIndex = UINT32_MAX; - } - - //write - memLifeTime[dstIdx] = lifeTime; - memPositionMass[dstIdx] = combineFloat4(position, mass); - memVelocityLife[dstIdx] = combineFloat4(velocity, lifeTime / lifeSpan); - - const uint32_t collisionFlags = (particleFlags & uint32_t(PxParticleFlag::eCOLLISION_WITH_STATIC | PxParticleFlag::eCOLLISION_WITH_DYNAMIC)); - memCollisionNormalFlags[dstIdx] = combineFloat4(collisionNormal, SIM_INT_AS_FLOAT(collisionFlags)); - if (memDensity != 0) - { - memDensity[dstIdx] = density; - } - - if (!validActorID || dstIdx != srcIdx) - { - memIofxActorIDs[dstIdx] = iofxActorID; - } - if (dstIdx != srcIdx) - { - memLifeSpan[dstIdx] = lifeSpan; - memInjector[dstIdx] = injector; - - memUserData[dstIdx] = SIM_FETCH(UserData,srcIdx); - } - - float benefit = -FLT_MAX; - if (validActorID && lifeTime > 0.0f) - { - benefit = calcParticleBenefit(injParams, eyePos, position, velocity, lifeTime / lifeSpan); - } - return benefit; -} - -} -} // namespace nvidia - -#endif |