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Diffstat (limited to 'thirdparty/bullet/Bullet3OpenCL/RigidBody/kernels/batchingKernelsNew.cl')
| -rw-r--r-- | thirdparty/bullet/Bullet3OpenCL/RigidBody/kernels/batchingKernelsNew.cl | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/RigidBody/kernels/batchingKernelsNew.cl b/thirdparty/bullet/Bullet3OpenCL/RigidBody/kernels/batchingKernelsNew.cl deleted file mode 100644 index ba1b66d2c3..0000000000 --- a/thirdparty/bullet/Bullet3OpenCL/RigidBody/kernels/batchingKernelsNew.cl +++ /dev/null @@ -1,231 +0,0 @@ -/* -Copyright (c) 2012 Advanced Micro Devices, Inc. - -This software is provided 'as-is', without any express or implied warranty. -In no event will the authors be held liable for any damages arising from the use of this software. -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it freely, -subject to the following restrictions: - -1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. -2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. -3. This notice may not be removed or altered from any source distribution. -*/ -//Originally written by Erwin Coumans - -#include "Bullet3Collision/NarrowPhaseCollision/shared/b3Contact4Data.h" - -#pragma OPENCL EXTENSION cl_amd_printf : enable -#pragma OPENCL EXTENSION cl_khr_local_int32_base_atomics : enable -#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable -#pragma OPENCL EXTENSION cl_khr_local_int32_extended_atomics : enable -#pragma OPENCL EXTENSION cl_khr_global_int32_extended_atomics : enable - -#ifdef cl_ext_atomic_counters_32 -#pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable -#else -#define counter32_t volatile __global int* -#endif - -#define SIMD_WIDTH 64 - -typedef unsigned int u32; -typedef unsigned short u16; -typedef unsigned char u8; - -#define GET_GROUP_IDX get_group_id(0) -#define GET_LOCAL_IDX get_local_id(0) -#define GET_GLOBAL_IDX get_global_id(0) -#define GET_GROUP_SIZE get_local_size(0) -#define GET_NUM_GROUPS get_num_groups(0) -#define GROUP_LDS_BARRIER barrier(CLK_LOCAL_MEM_FENCE) -#define GROUP_MEM_FENCE mem_fence(CLK_LOCAL_MEM_FENCE) -#define AtomInc(x) atom_inc(&(x)) -#define AtomInc1(x, out) out = atom_inc(&(x)) -#define AppendInc(x, out) out = atomic_inc(x) -#define AtomAdd(x, value) atom_add(&(x), value) -#define AtomCmpxhg(x, cmp, value) atom_cmpxchg( &(x), cmp, value ) -#define AtomXhg(x, value) atom_xchg ( &(x), value ) - - -#define SELECT_UINT4( b, a, condition ) select( b,a,condition ) - -#define make_float4 (float4) -#define make_float2 (float2) -#define make_uint4 (uint4) -#define make_int4 (int4) -#define make_uint2 (uint2) -#define make_int2 (int2) - - -#define max2 max -#define min2 min - - -#define WG_SIZE 64 - - - - - -typedef struct -{ - int m_n; - int m_start; - int m_staticIdx; - int m_paddings[1]; -} ConstBuffer; - -typedef struct -{ - int m_a; - int m_b; - u32 m_idx; -}Elem; - - - - - -// batching on the GPU -__kernel void CreateBatchesBruteForce( __global struct b3Contact4Data* gConstraints, __global const u32* gN, __global const u32* gStart, int m_staticIdx ) -{ - int wgIdx = GET_GROUP_IDX; - int lIdx = GET_LOCAL_IDX; - - const int m_n = gN[wgIdx]; - const int m_start = gStart[wgIdx]; - - if( lIdx == 0 ) - { - for (int i=0;i<m_n;i++) - { - int srcIdx = i+m_start; - int batchIndex = i; - gConstraints[ srcIdx ].m_batchIdx = batchIndex; - } - } -} - - -#define CHECK_SIZE (WG_SIZE) - - - - -u32 readBuf(__local u32* buff, int idx) -{ - idx = idx % (32*CHECK_SIZE); - int bitIdx = idx%32; - int bufIdx = idx/32; - return buff[bufIdx] & (1<<bitIdx); -} - -void writeBuf(__local u32* buff, int idx) -{ - idx = idx % (32*CHECK_SIZE); - int bitIdx = idx%32; - int bufIdx = idx/32; - buff[bufIdx] |= (1<<bitIdx); - //atom_or( &buff[bufIdx], (1<<bitIdx) ); -} - -u32 tryWrite(__local u32* buff, int idx) -{ - idx = idx % (32*CHECK_SIZE); - int bitIdx = idx%32; - int bufIdx = idx/32; - u32 ans = (u32)atom_or( &buff[bufIdx], (1<<bitIdx) ); - return ((ans >> bitIdx)&1) == 0; -} - - -// batching on the GPU -__kernel void CreateBatchesNew( __global struct b3Contact4Data* gConstraints, __global const u32* gN, __global const u32* gStart, __global int* batchSizes, int staticIdx ) -{ - int wgIdx = GET_GROUP_IDX; - int lIdx = GET_LOCAL_IDX; - const int numConstraints = gN[wgIdx]; - const int m_start = gStart[wgIdx]; - b3Contact4Data_t tmp; - - __local u32 ldsFixedBuffer[CHECK_SIZE]; - - - - - - if( lIdx == 0 ) - { - - - __global struct b3Contact4Data* cs = &gConstraints[m_start]; - - - int numValidConstraints = 0; - int batchIdx = 0; - - while( numValidConstraints < numConstraints) - { - int nCurrentBatch = 0; - // clear flag - - for(int i=0; i<CHECK_SIZE; i++) - ldsFixedBuffer[i] = 0; - - for(int i=numValidConstraints; i<numConstraints; i++) - { - - int bodyAS = cs[i].m_bodyAPtrAndSignBit; - int bodyBS = cs[i].m_bodyBPtrAndSignBit; - int bodyA = abs(bodyAS); - int bodyB = abs(bodyBS); - bool aIsStatic = (bodyAS<0) || bodyAS==staticIdx; - bool bIsStatic = (bodyBS<0) || bodyBS==staticIdx; - int aUnavailable = aIsStatic ? 0 : readBuf( ldsFixedBuffer, bodyA); - int bUnavailable = bIsStatic ? 0 : readBuf( ldsFixedBuffer, bodyB); - - if( aUnavailable==0 && bUnavailable==0 ) // ok - { - if (!aIsStatic) - { - writeBuf( ldsFixedBuffer, bodyA ); - } - if (!bIsStatic) - { - writeBuf( ldsFixedBuffer, bodyB ); - } - - cs[i].m_batchIdx = batchIdx; - - if (i!=numValidConstraints) - { - - tmp = cs[i]; - cs[i] = cs[numValidConstraints]; - cs[numValidConstraints] = tmp; - - - } - - numValidConstraints++; - - nCurrentBatch++; - if( nCurrentBatch == SIMD_WIDTH) - { - nCurrentBatch = 0; - for(int i=0; i<CHECK_SIZE; i++) - ldsFixedBuffer[i] = 0; - - } - } - }//for - batchIdx ++; - }//while - - batchSizes[wgIdx] = batchIdx; - - }//if( lIdx == 0 ) - - //return batchIdx; -} |