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Diffstat (limited to 'thirdparty/bullet/Bullet3OpenCL/ParallelPrimitives/b3PrefixScanCL.cpp')
-rw-r--r--thirdparty/bullet/Bullet3OpenCL/ParallelPrimitives/b3PrefixScanCL.cpp120
1 files changed, 0 insertions, 120 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/ParallelPrimitives/b3PrefixScanCL.cpp b/thirdparty/bullet/Bullet3OpenCL/ParallelPrimitives/b3PrefixScanCL.cpp
deleted file mode 100644
index 822b511633..0000000000
--- a/thirdparty/bullet/Bullet3OpenCL/ParallelPrimitives/b3PrefixScanCL.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-#include "b3PrefixScanCL.h"
-#include "b3FillCL.h"
-#define B3_PREFIXSCAN_PROG_PATH "src/Bullet3OpenCL/ParallelPrimitives/kernels/PrefixScanKernels.cl"
-
-#include "b3LauncherCL.h"
-#include "Bullet3OpenCL/Initialize/b3OpenCLUtils.h"
-#include "kernels/PrefixScanKernelsCL.h"
-
-b3PrefixScanCL::b3PrefixScanCL(cl_context ctx, cl_device_id device, cl_command_queue queue, int size)
- : m_commandQueue(queue)
-{
- const char* scanKernelSource = prefixScanKernelsCL;
- cl_int pErrNum;
- char* additionalMacros = 0;
-
- m_workBuffer = new b3OpenCLArray<unsigned int>(ctx, queue, size);
- cl_program scanProg = b3OpenCLUtils::compileCLProgramFromString(ctx, device, scanKernelSource, &pErrNum, additionalMacros, B3_PREFIXSCAN_PROG_PATH);
- b3Assert(scanProg);
-
- m_localScanKernel = b3OpenCLUtils::compileCLKernelFromString(ctx, device, scanKernelSource, "LocalScanKernel", &pErrNum, scanProg, additionalMacros);
- b3Assert(m_localScanKernel);
- m_blockSumKernel = b3OpenCLUtils::compileCLKernelFromString(ctx, device, scanKernelSource, "TopLevelScanKernel", &pErrNum, scanProg, additionalMacros);
- b3Assert(m_blockSumKernel);
- m_propagationKernel = b3OpenCLUtils::compileCLKernelFromString(ctx, device, scanKernelSource, "AddOffsetKernel", &pErrNum, scanProg, additionalMacros);
- b3Assert(m_propagationKernel);
-}
-
-b3PrefixScanCL::~b3PrefixScanCL()
-{
- delete m_workBuffer;
- clReleaseKernel(m_localScanKernel);
- clReleaseKernel(m_blockSumKernel);
- clReleaseKernel(m_propagationKernel);
-}
-
-template <class T>
-T b3NextPowerOf2(T n)
-{
- n -= 1;
- for (int i = 0; i < sizeof(T) * 8; i++)
- n = n | (n >> i);
- return n + 1;
-}
-
-void b3PrefixScanCL::execute(b3OpenCLArray<unsigned int>& src, b3OpenCLArray<unsigned int>& dst, int n, unsigned int* sum)
-{
- // b3Assert( data->m_option == EXCLUSIVE );
- const unsigned int numBlocks = (const unsigned int)((n + BLOCK_SIZE * 2 - 1) / (BLOCK_SIZE * 2));
-
- dst.resize(src.size());
- m_workBuffer->resize(src.size());
-
- b3Int4 constBuffer;
- constBuffer.x = n;
- constBuffer.y = numBlocks;
- constBuffer.z = (int)b3NextPowerOf2(numBlocks);
-
- b3OpenCLArray<unsigned int>* srcNative = &src;
- b3OpenCLArray<unsigned int>* dstNative = &dst;
-
- {
- b3BufferInfoCL bInfo[] = {b3BufferInfoCL(dstNative->getBufferCL()), b3BufferInfoCL(srcNative->getBufferCL()), b3BufferInfoCL(m_workBuffer->getBufferCL())};
-
- b3LauncherCL launcher(m_commandQueue, m_localScanKernel, "m_localScanKernel");
- launcher.setBuffers(bInfo, sizeof(bInfo) / sizeof(b3BufferInfoCL));
- launcher.setConst(constBuffer);
- launcher.launch1D(numBlocks * BLOCK_SIZE, BLOCK_SIZE);
- }
-
- {
- b3BufferInfoCL bInfo[] = {b3BufferInfoCL(m_workBuffer->getBufferCL())};
-
- b3LauncherCL launcher(m_commandQueue, m_blockSumKernel, "m_blockSumKernel");
- launcher.setBuffers(bInfo, sizeof(bInfo) / sizeof(b3BufferInfoCL));
- launcher.setConst(constBuffer);
- launcher.launch1D(BLOCK_SIZE, BLOCK_SIZE);
- }
-
- if (numBlocks > 1)
- {
- b3BufferInfoCL bInfo[] = {b3BufferInfoCL(dstNative->getBufferCL()), b3BufferInfoCL(m_workBuffer->getBufferCL())};
- b3LauncherCL launcher(m_commandQueue, m_propagationKernel, "m_propagationKernel");
- launcher.setBuffers(bInfo, sizeof(bInfo) / sizeof(b3BufferInfoCL));
- launcher.setConst(constBuffer);
- launcher.launch1D((numBlocks - 1) * BLOCK_SIZE, BLOCK_SIZE);
- }
-
- if (sum)
- {
- clFinish(m_commandQueue);
- dstNative->copyToHostPointer(sum, 1, n - 1, true);
- }
-}
-
-void b3PrefixScanCL::executeHost(b3AlignedObjectArray<unsigned int>& src, b3AlignedObjectArray<unsigned int>& dst, int n, unsigned int* sum)
-{
- unsigned int s = 0;
- //if( data->m_option == EXCLUSIVE )
- {
- for (int i = 0; i < n; i++)
- {
- dst[i] = s;
- s += src[i];
- }
- }
- /*else
- {
- for(int i=0; i<n; i++)
- {
- s += hSrc[i];
- hDst[i] = s;
- }
- }
- */
-
- if (sum)
- {
- *sum = dst[n - 1];
- }
-} \ No newline at end of file