Added libspe2 parallel Cell SPE support contribution by IBM Germany 'Extreme Blue' project:
Thanks to Benjamin Hoeferlin, Minh Cuong Tran,Martina Huellmann,Frederick Roth.
This commit is contained in:
ejcoumans
@@ -1,196 +1,205 @@
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2007 Erwin Coumans http://bulletphysics.com
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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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.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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//#define __CELLOS_LV2__ 1
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#define USE_SAMPLE_PROCESS 1
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#ifdef USE_SAMPLE_PROCESS
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#include "btThreadSupportInterface.h"
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//#include "SPUAssert.h"
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#include <string.h>
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#include "SpuSampleTaskProcess.h"
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#include <stdio.h>
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void SampleThreadFunc(void* userPtr,void* lsMemory)
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{
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//do nothing
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printf("hello world\n");
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}
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void* SamplelsMemoryFunc()
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{
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//don't create local store memory, just return 0
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return 0;
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}
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extern "C" {
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extern char SPU_SAMPLE_ELF_SYMBOL[];
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};
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SpuSampleTaskProcess::SpuSampleTaskProcess(btThreadSupportInterface* threadInterface, unsigned int maxNumOutstandingTasks)
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:m_threadInterface(threadInterface),
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m_maxNumOutstandingTasks(maxNumOutstandingTasks)
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{
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m_taskBusy.resize(m_maxNumOutstandingTasks);
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m_spuSampleTaskDesc.resize(m_maxNumOutstandingTasks);
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for (int i = 0; i < m_maxNumOutstandingTasks; i++)
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{
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m_taskBusy[i] = false;
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}
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m_numBusyTasks = 0;
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m_currentTask = 0;
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m_initialized = false;
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m_threadInterface->startSPU();
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}
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SpuSampleTaskProcess::~SpuSampleTaskProcess()
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{
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m_threadInterface->stopSPU();
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}
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void SpuSampleTaskProcess::initialize()
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{
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#ifdef DEBUG_SPU_TASK_SCHEDULING
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printf("SpuSampleTaskProcess::initialize()\n");
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#endif //DEBUG_SPU_TASK_SCHEDULING
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for (int i = 0; i < m_maxNumOutstandingTasks; i++)
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{
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m_taskBusy[i] = false;
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}
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m_numBusyTasks = 0;
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m_currentTask = 0;
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m_initialized = true;
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}
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void SpuSampleTaskProcess::issueTask(void* sampleMainMemPtr,int sampleValue)
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{
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#ifdef DEBUG_SPU_TASK_SCHEDULING
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printf("SpuSampleTaskProcess::issueTask (m_currentTask= %d\)n", m_currentTask);
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#endif //DEBUG_SPU_TASK_SCHEDULING
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m_taskBusy[m_currentTask] = true;
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m_numBusyTasks++;
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SpuSampleTaskDesc& taskDesc = m_spuSampleTaskDesc[m_currentTask];
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{
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// send task description in event message
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// no error checking here...
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// but, currently, event queue can be no larger than NUM_WORKUNIT_TASKS.
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taskDesc.m_mainMemoryPtr = reinterpret_cast<uint64_t>(sampleMainMemPtr);
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taskDesc.m_sampleValue = sampleValue;
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//some bookkeeping to recognize finished tasks
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taskDesc.m_taskId = m_currentTask;
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}
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m_threadInterface->sendRequest(CMD_SAMPLE_TASK_COMMAND, (uint32_t) &taskDesc, m_currentTask);
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// if all tasks busy, wait for spu event to clear the task.
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if (m_numBusyTasks >= m_maxNumOutstandingTasks)
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{
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unsigned int taskId;
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unsigned int outputSize;
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m_threadInterface->waitForResponse(&taskId, &outputSize);
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//printf("PPU: after issue, received event: %u %d\n", taskId, outputSize);
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postProcess(taskId, outputSize);
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m_taskBusy[taskId] = false;
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m_numBusyTasks--;
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}
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// find new task buffer
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for (unsigned int i = 0; i < m_maxNumOutstandingTasks; i++)
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{
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if (!m_taskBusy[i])
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{
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m_currentTask = i;
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break;
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}
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}
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}
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///Optional PPU-size post processing for each task
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void SpuSampleTaskProcess::postProcess(int taskId, int outputSize)
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{
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}
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void SpuSampleTaskProcess::flush()
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{
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#ifdef DEBUG_SPU_TASK_SCHEDULING
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printf("\nSpuCollisionTaskProcess::flush()\n");
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#endif //DEBUG_SPU_TASK_SCHEDULING
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// all tasks are issued, wait for all tasks to be complete
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while(m_numBusyTasks > 0)
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{
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// Consolidating SPU code
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unsigned int taskId;
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unsigned int outputSize;
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{
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m_threadInterface->waitForResponse(&taskId, &outputSize);
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}
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//printf("PPU: flushing, received event: %u %d\n", taskId, outputSize);
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postProcess(taskId, outputSize);
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m_taskBusy[taskId] = false;
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m_numBusyTasks--;
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}
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}
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#endif //USE_SAMPLE_PROCESS
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2007 Erwin Coumans http://bulletphysics.com
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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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.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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//#define __CELLOS_LV2__ 1
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#define USE_SAMPLE_PROCESS 1
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#ifdef USE_SAMPLE_PROCESS
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#include "SpuSampleTaskProcess.h"
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#include <stdio.h>
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#ifdef __SPU__
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void SampleThreadFunc(void* userPtr,void* lsMemory)
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{
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//do nothing
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printf("hello world\n");
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}
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void* SamplelsMemoryFunc()
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{
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//don't create local store memory, just return 0
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return 0;
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}
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#else
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#include "btThreadSupportInterface.h"
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//# include "SPUAssert.h"
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#include <string.h>
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extern "C" {
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extern char SPU_SAMPLE_ELF_SYMBOL[];
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};
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SpuSampleTaskProcess::SpuSampleTaskProcess(btThreadSupportInterface* threadInterface, unsigned int maxNumOutstandingTasks)
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:m_threadInterface(threadInterface),
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m_maxNumOutstandingTasks(maxNumOutstandingTasks)
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{
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m_taskBusy.resize(m_maxNumOutstandingTasks);
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m_spuSampleTaskDesc.resize(m_maxNumOutstandingTasks);
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for (int i = 0; i < m_maxNumOutstandingTasks; i++)
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{
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m_taskBusy[i] = false;
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}
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m_numBusyTasks = 0;
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m_currentTask = 0;
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m_initialized = false;
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m_threadInterface->startSPU();
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}
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SpuSampleTaskProcess::~SpuSampleTaskProcess()
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{
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m_threadInterface->stopSPU();
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}
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void SpuSampleTaskProcess::initialize()
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{
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#ifdef DEBUG_SPU_TASK_SCHEDULING
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printf("SpuSampleTaskProcess::initialize()\n");
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#endif //DEBUG_SPU_TASK_SCHEDULING
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for (int i = 0; i < m_maxNumOutstandingTasks; i++)
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{
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m_taskBusy[i] = false;
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}
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m_numBusyTasks = 0;
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m_currentTask = 0;
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m_initialized = true;
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}
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void SpuSampleTaskProcess::issueTask(void* sampleMainMemPtr,int sampleValue)
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{
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#ifdef DEBUG_SPU_TASK_SCHEDULING
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printf("SpuSampleTaskProcess::issueTask (m_currentTask= %d\)n", m_currentTask);
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#endif //DEBUG_SPU_TASK_SCHEDULING
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m_taskBusy[m_currentTask] = true;
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m_numBusyTasks++;
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SpuSampleTaskDesc& taskDesc = m_spuSampleTaskDesc[m_currentTask];
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{
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// send task description in event message
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// no error checking here...
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// but, currently, event queue can be no larger than NUM_WORKUNIT_TASKS.
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taskDesc.m_mainMemoryPtr = reinterpret_cast<uint64_t>(sampleMainMemPtr);
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taskDesc.m_sampleValue = sampleValue;
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//some bookkeeping to recognize finished tasks
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taskDesc.m_taskId = m_currentTask;
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}
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m_threadInterface->sendRequest(CMD_SAMPLE_TASK_COMMAND, (uint32_t) &taskDesc, m_currentTask);
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// if all tasks busy, wait for spu event to clear the task.
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if (m_numBusyTasks >= m_maxNumOutstandingTasks)
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{
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unsigned int taskId;
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unsigned int outputSize;
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m_threadInterface->waitForResponse(&taskId, &outputSize);
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//printf("PPU: after issue, received event: %u %d\n", taskId, outputSize);
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postProcess(taskId, outputSize);
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m_taskBusy[taskId] = false;
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m_numBusyTasks--;
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}
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// find new task buffer
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for (unsigned int i = 0; i < m_maxNumOutstandingTasks; i++)
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{
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if (!m_taskBusy[i])
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{
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m_currentTask = i;
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break;
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}
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}
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}
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///Optional PPU-size post processing for each task
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void SpuSampleTaskProcess::postProcess(int taskId, int outputSize)
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{
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}
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void SpuSampleTaskProcess::flush()
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{
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#ifdef DEBUG_SPU_TASK_SCHEDULING
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printf("\nSpuCollisionTaskProcess::flush()\n");
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#endif //DEBUG_SPU_TASK_SCHEDULING
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// all tasks are issued, wait for all tasks to be complete
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while(m_numBusyTasks > 0)
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{
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// Consolidating SPU code
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unsigned int taskId;
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unsigned int outputSize;
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{
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m_threadInterface->waitForResponse(&taskId, &outputSize);
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}
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//printf("PPU: flushing, received event: %u %d\n", taskId, outputSize);
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postProcess(taskId, outputSize);
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m_taskBusy[taskId] = false;
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m_numBusyTasks--;
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}
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}
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#endif
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#endif //USE_SAMPLE_PROCESS
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