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/*
* 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 __IOFX_MANAGER_GPU_H__
#define __IOFX_MANAGER_GPU_H__
#include "Apex.h"
#include "IofxManager.h"
#include "IofxSceneGPU.h"
#if APEX_CUDA_SUPPORT
#include "ApexCudaWrapper.h"
#include "PxCudaContextManager.h"
#endif
#include "ModifierData.h"
#include "IosObjectData.h"
namespace nvidia
{
namespace apex
{
class SceneIntl;
class Modifier;
}
namespace iofx
{
class IofxAssetImpl;
class IofxScene;
class ModifierParamsMapperGPU;
/* Class which manages a per-IOS CUDA IOFX pipeline */
class IofxManagerGPU : public CudaPipeline, public UserAllocated
{
public:
IofxManagerGPU(SceneIntl& scene, const IofxManagerDescIntl& desc, IofxManager&, const ApexMirroredPlace::Enum defaultPlace = ApexMirroredPlace::GPU);
~IofxManagerGPU();
void release();
virtual void submitTasks();
virtual void fetchResults();
PxTaskID IofxManagerGPU::launchGpuTasks();
void launchPrep();
IofxManagerClient* createClient(IofxAssetSceneInst* assetSceneInst, uint32_t actorClassID, const IofxManagerClientIntl::Params& params);
IofxAssetSceneInst* createAssetSceneInst(IofxAssetImpl* asset, uint32_t semantics);
IofxManager& mManager;
IofxScene& mIofxScene;
bool cudaLaunch(CUstream stream, int kernelIndex);
void cudaLaunchRadixSort(CUstream stream, unsigned int numElements, unsigned int keyBits, unsigned int startBit, bool useSyncKernels);
uint32_t mCurSeed;
uint32_t* mTargetBufDevPtr;
uint32_t mCountActorIDs;
uint32_t mNumberVolumes;
uint32_t mNumberActorClasses;
uint32_t mOutputDWords;
bool mEmptySimulation;
PxTask* mTaskLaunch;
#if APEX_CUDA_SUPPORT
ApexCudaConstMemGroup mVolumeConstMemGroup;
InplaceHandle<VolumeParamsArray> mVolumeParamsArrayHandle;
InplaceHandle<ActorClassIDBitmapArray> mActorClassIDBitmapArrayHandle;
ApexCudaConstMemGroup mRemapConstMemGroup;
InplaceHandle<ActorIDRemapArray> mActorIDRemapArrayHandle;
ApexCudaConstMemGroup mModifierConstMemGroup;
InplaceHandle<ClientParamsHandleArray> mClientParamsHandleArrayHandle;
InplaceHandle<SpriteOutputLayout> mSpriteOutputLayoutHandle;
InplaceHandle<MeshOutputLayout> mMeshOutputLayoutHandle;
PxGpuCopyDescQueue mCopyQueue;
#endif
const ApexMirroredPlace::Enum mDefaultPlace;
ApexMirroredArray<float> mCuSpawnScale;
ApexMirroredArray<uint32_t> mCuSpawnSeed;
ApexMirroredArray<LCG_PRNG> mCuBlockPRNGs;
// sprite sorting, then actor ID sorting
ApexMirroredArray<uint32_t> mCuSortedActorIDs;
ApexMirroredArray<uint32_t> mCuSortedStateIDs;
ApexMirroredArray<uint32_t> mCuSortTempKeys;
ApexMirroredArray<uint32_t> mCuSortTempValues;
ApexMirroredArray<uint32_t> mCuSortTemp;
ApexMirroredArray<uint32_t> mCuActorStart;
ApexMirroredArray<uint32_t> mCuActorEnd;
ApexMirroredArray<uint32_t> mCuActorVisibleEnd;
ApexMirroredArray<PxVec4> mCuMinBounds;
ApexMirroredArray<PxVec4> mCuMaxBounds;
ApexMirroredArray<PxVec4> mCuTempMinBounds;
ApexMirroredArray<PxVec4> mCuTempMaxBounds;
ApexMirroredArray<uint32_t> mCuTempActorIDs;
LCG_PRNG mRandThreadLeap;
LCG_PRNG mRandGridLeap;
class OutputBuffer
{
PxCudaBuffer* mGpuBuffer;
public:
OutputBuffer()
{
mGpuBuffer = 0;
}
~OutputBuffer()
{
release();
}
PX_INLINE bool isValid() const
{
return (mGpuBuffer != 0);
}
PX_INLINE void* getGpuPtr() const
{
return (mGpuBuffer != 0) ? reinterpret_cast<void*>(mGpuBuffer->getPtr()) : 0;
}
void release()
{
if (mGpuBuffer != 0)
{
mGpuBuffer->free();
mGpuBuffer = 0;
}
}
void realloc(size_t capacity, PxCudaContextManager* ctx)
{
if (mGpuBuffer != 0 && mGpuBuffer->getSize() >= capacity)
{
return;
}
if (capacity > 0)
{
release();
mGpuBuffer = ctx->getMemoryManager()->alloc(
PxCudaBufferType(PxCudaBufferMemorySpace::T_GPU, PxCudaBufferFlags::F_READ_WRITE),
capacity);
PX_ASSERT(mGpuBuffer != 0);
}
}
void copyToHost(CUstream stream, void* hostPtr, size_t size)
{
if (isValid())
{
CUT_SAFE_CALL(cuMemcpyDtoHAsync(hostPtr, CUdeviceptr(mGpuBuffer->getPtr()), size, stream));
}
}
};
OutputBuffer mTargetOutputBuffer;
uint32_t mTargetTextureCount;
ApexCudaArray mTargetCudaArrayList[IofxSpriteRenderLayout::MAX_SURFACE_COUNT];
};
}
} // namespace nvidia
#endif // __IOFX_ACTOR_GPU_H__
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