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90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
#pragma once
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#include "EmberCLPch.h"
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#include "EmberCLStructs.h"
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#include "EmberCLFunctions.h"
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/// <summary>
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/// IterOpenCLKernelCreator class.
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/// </summary>
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namespace EmberCLns
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{
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/// <summary>
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/// Class for creating the main iteration code in OpenCL.
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/// It uses the Cuburn method of iterating where all conditionals
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/// are stripped out and a specific kernel is compiled at run-time.
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/// It uses a very sophisticated method for randomization that avoids
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/// the problem of warp/wavefront divergence that would occur if every
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/// thread selected a random xform to apply.
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/// This only works with embers of type float, double is not supported.
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/// </summary>
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template <typename T>
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class EMBERCL_API IterOpenCLKernelCreator
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{
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public:
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IterOpenCLKernelCreator();
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IterOpenCLKernelCreator(bool nVidia);
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string ZeroizeKernel();
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string ZeroizeEntryPoint();
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string IterEntryPoint();
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string CreateIterKernelString(Ember<T>& ember, string& parVarDefines, bool lockAccum = false, bool doAccum = true);
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static void ParVarIndexDefines(Ember<T>& ember, pair<string, vector<T>>& params, bool doVals = true, bool doString = true);
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static bool IsBuildRequired(Ember<T>& ember1, Ember<T>& ember2);
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private:
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string CreateZeroizeKernelString();
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string CreateProjectionString(Ember<T>& ember);
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string m_IterEntryPoint;
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string m_ZeroizeKernel;
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string m_ZeroizeEntryPoint;
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bool m_NVidia;
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};
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template EMBERCL_API class IterOpenCLKernelCreator<float>;
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#ifdef DO_DOUBLE
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template EMBERCL_API class IterOpenCLKernelCreator<double>;
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#endif
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//
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//template EMBERCL_API string IterOpenCLKernelCreator::CreateIterKernelString<float>(Ember<float>& ember, string& parVarDefines, bool lockAccum, bool doAccum);
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//template EMBERCL_API string IterOpenCLKernelCreator::CreateIterKernelString<double>(Ember<double>& ember, string& parVarDefines, bool lockAccum, bool doAccum);
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//
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//template EMBERCL_API void IterOpenCLKernelCreator::ParVarIndexDefines<float>(Ember<float>& ember, pair<string, vector<float>>& params, bool doVals, bool doString);
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//template EMBERCL_API void IterOpenCLKernelCreator::ParVarIndexDefines<double>(Ember<double>& ember, pair<string, vector<double>>& params, bool doVals, bool doString);
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//
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//template EMBERCL_API bool IterOpenCLKernelCreator::IsBuildRequired<float>(Ember<float>& ember1, Ember<float>& ember2);
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//template EMBERCL_API bool IterOpenCLKernelCreator::IsBuildRequired<double>(Ember<double>& ember1, Ember<double>& ember2);
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#ifdef OPEN_CL_TEST_AREA
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typedef void (*KernelFuncPointer) (unsigned int gridWidth, unsigned int gridHeight, unsigned int blockWidth, unsigned int blockHeight,
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unsigned int BLOCK_ID_X, unsigned int BLOCK_ID_Y, unsigned int THREAD_ID_X, unsigned int THREAD_ID_Y);
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static void OpenCLSim(unsigned int gridWidth, unsigned int gridHeight, unsigned int blockWidth, unsigned int blockHeight, KernelFuncPointer func)
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{
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cout << "OpenCLSim(): " << endl;
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cout << " Params: " << endl;
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cout << " gridW: " << gridWidth << endl;
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cout << " gridH: " << gridHeight << endl;
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cout << " blockW: " << blockWidth << endl;
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cout << " blockH: " << blockHeight << endl;
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for (unsigned int i = 0; i < gridHeight; i += blockHeight)
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{
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for (unsigned int j = 0; j < gridWidth; j += blockWidth)
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{
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for (unsigned int k = 0; k < blockHeight; k++)
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{
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for (unsigned int l = 0; l < blockWidth; l++)
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{
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func(gridWidth, gridHeight, blockWidth, blockHeight, j / blockWidth, i / blockHeight, l, k);
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}
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}
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}
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}
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}
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#endif
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}
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