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128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
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#ifndef B3_LAUNCHER_CL_H
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#define B3_LAUNCHER_CL_H
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#include "b3BufferInfoCL.h"
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#include "Bullet3Common/b3MinMax.h"
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#include "b3OpenCLArray.h"
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#include <stdio.h>
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#define B3_DEBUG_SERIALIZE_CL
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#ifdef _WIN32
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#pragma warning(disable : 4996)
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#endif
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#define B3_CL_MAX_ARG_SIZE 16
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B3_ATTRIBUTE_ALIGNED16(struct)
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b3KernelArgData
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{
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int m_isBuffer;
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int m_argIndex;
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int m_argSizeInBytes;
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int m_unusedPadding;
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union {
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cl_mem m_clBuffer;
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unsigned char m_argData[B3_CL_MAX_ARG_SIZE];
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};
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};
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class b3LauncherCL
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{
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cl_command_queue m_commandQueue;
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cl_kernel m_kernel;
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int m_idx;
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b3AlignedObjectArray<b3KernelArgData> m_kernelArguments;
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int m_serializationSizeInBytes;
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bool m_enableSerialization;
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const char* m_name;
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public:
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b3AlignedObjectArray<b3OpenCLArray<unsigned char>*> m_arrays;
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b3LauncherCL(cl_command_queue queue, cl_kernel kernel, const char* name);
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virtual ~b3LauncherCL();
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void setBuffer(cl_mem clBuffer);
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void setBuffers(b3BufferInfoCL* buffInfo, int n);
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int getSerializationBufferSize() const
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{
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return m_serializationSizeInBytes;
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}
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int deserializeArgs(unsigned char* buf, int bufSize, cl_context ctx);
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inline int validateResults(unsigned char* goldBuffer, int goldBufferCapacity, cl_context ctx);
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int serializeArguments(unsigned char* destBuffer, int destBufferCapacity);
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int getNumArguments() const
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{
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return m_kernelArguments.size();
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}
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b3KernelArgData getArgument(int index)
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{
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return m_kernelArguments[index];
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}
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void serializeToFile(const char* fileName, int numWorkItems);
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template <typename T>
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inline void setConst(const T& consts)
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{
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int sz = sizeof(T);
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b3Assert(sz <= B3_CL_MAX_ARG_SIZE);
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if (m_enableSerialization)
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{
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b3KernelArgData kernelArg;
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kernelArg.m_argIndex = m_idx;
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kernelArg.m_isBuffer = 0;
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T* destArg = (T*)kernelArg.m_argData;
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*destArg = consts;
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kernelArg.m_argSizeInBytes = sizeof(T);
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m_kernelArguments.push_back(kernelArg);
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m_serializationSizeInBytes += sizeof(b3KernelArgData);
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}
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cl_int status = clSetKernelArg(m_kernel, m_idx++, sz, &consts);
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b3Assert(status == CL_SUCCESS);
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}
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inline void launch1D(int numThreads, int localSize = 64)
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{
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launch2D(numThreads, 1, localSize, 1);
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}
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inline void launch2D(int numThreadsX, int numThreadsY, int localSizeX, int localSizeY)
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{
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size_t gRange[3] = {1, 1, 1};
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size_t lRange[3] = {1, 1, 1};
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lRange[0] = localSizeX;
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lRange[1] = localSizeY;
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gRange[0] = b3Max((size_t)1, (numThreadsX / lRange[0]) + (!(numThreadsX % lRange[0]) ? 0 : 1));
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gRange[0] *= lRange[0];
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gRange[1] = b3Max((size_t)1, (numThreadsY / lRange[1]) + (!(numThreadsY % lRange[1]) ? 0 : 1));
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gRange[1] *= lRange[1];
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cl_int status = clEnqueueNDRangeKernel(m_commandQueue,
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m_kernel, 2, NULL, gRange, lRange, 0, 0, 0);
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if (status != CL_SUCCESS)
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{
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printf("Error: OpenCL status = %d\n", status);
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}
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b3Assert(status == CL_SUCCESS);
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}
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void enableSerialization(bool serialize)
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{
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m_enableSerialization = serialize;
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}
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};
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#endif //B3_LAUNCHER_CL_H
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