83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/*
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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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#ifndef SPU_SAMPLE_TASK_PROCESS_H
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#define SPU_SAMPLE_TASK_PROCESS_H
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#include <assert.h>
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#include "PlatformDefinitions.h"
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#include <stdlib.h>
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///maximum outstanding tasks
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#define SAMPLE_NUM_WORKUNIT_TASKS 4
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///SpuSampleTaskDesc
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struct SpuSampleTaskDesc
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{
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uint64_t m_mainMemoryPtr;
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int m_sampleValue;
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uint16_t m_taskId;
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}
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#ifdef __CELLOS_LV2__
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__attribute__ ((aligned (16)))
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#endif
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;
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//just add your commands here, try to keep them globally unique for debugging purposes
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#define CMD_SAMPLE_TASK_COMMAND 10
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/// SpuSampleTaskProcess handles SPU processing of collision pairs.
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/// When PPU issues a task, it will look for completed task buffers
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/// PPU will do postprocessing, dependent on workunit output (not likely)
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class SpuSampleTaskProcess
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{
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// track task buffers that are being used, and total busy tasks
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bool m_taskBusy[SAMPLE_NUM_WORKUNIT_TASKS];
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unsigned int m_numBusyTasks;
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// the current task and the current entry to insert a new work unit
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unsigned int m_currentTask;
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bool m_initialized;
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void postProcess(int taskId, int outputSize);
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public:
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SpuSampleTaskProcess();
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~SpuSampleTaskProcess();
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///call initialize in the beginning of the frame, before addCollisionPairToTask
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void initialize();
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void issueTask(void* sampleMainMemPtr,int sampleValue);
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///call flush to submit potential outstanding work to SPUs and wait for all involved SPUs to be finished
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void flush();
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};
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#endif // SPU_SAMPLE_TASK_PROCESS_H
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