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C++ cl_mem::copyToHost方法代码示例

本文整理汇总了C++中cl_mem::copyToHost方法的典型用法代码示例。如果您正苦于以下问题:C++ cl_mem::copyToHost方法的具体用法?C++ cl_mem::copyToHost怎么用?C++ cl_mem::copyToHost使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在cl_mem的用法示例。


在下文中一共展示了cl_mem::copyToHost方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: launcher

void b3GpuBatchingPgsSolver::solveContacts(int numBodies, cl_mem bodyBuf, cl_mem inertiaBuf, int numContacts, cl_mem contactBuf, const b3Config& config, int static0Index)
{
	B3_PROFILE("solveContacts");
	m_data->m_bodyBufferGPU->setFromOpenCLBuffer(bodyBuf,numBodies);
	m_data->m_inertiaBufferGPU->setFromOpenCLBuffer(inertiaBuf,numBodies);
	m_data->m_pBufContactOutGPU->setFromOpenCLBuffer(contactBuf,numContacts);

	if (optionalSortContactsDeterminism)
	{
		if (gpuSortContactsDeterminism)
		{
			B3_PROFILE("GPU Sort contact constraints (determinism)");

			m_data->m_pBufContactOutGPUCopy->resize(numContacts);
			m_data->m_contactKeyValues->resize(numContacts);

			m_data->m_pBufContactOutGPU->copyToCL(m_data->m_pBufContactOutGPUCopy->getBufferCL(),numContacts,0,0);

			{
				b3LauncherCL launcher(m_data->m_queue, m_data->m_setDeterminismSortDataChildShapeBKernel);
				launcher.setBuffer(m_data->m_pBufContactOutGPUCopy->getBufferCL());
				launcher.setBuffer(m_data->m_contactKeyValues->getBufferCL());
				launcher.setConst(numContacts);
				launcher.launch1D( numContacts, 64 );
			}
			m_data->m_solverGPU->m_sort32->execute(*m_data->m_contactKeyValues);
			{
				b3LauncherCL launcher(m_data->m_queue, m_data->m_setDeterminismSortDataChildShapeAKernel);
				launcher.setBuffer(m_data->m_pBufContactOutGPUCopy->getBufferCL());
				launcher.setBuffer(m_data->m_contactKeyValues->getBufferCL());
				launcher.setConst(numContacts);
				launcher.launch1D( numContacts, 64 );
			}
			m_data->m_solverGPU->m_sort32->execute(*m_data->m_contactKeyValues);
			{
				b3LauncherCL launcher(m_data->m_queue, m_data->m_setDeterminismSortDataBodyBKernel);
				launcher.setBuffer(m_data->m_pBufContactOutGPUCopy->getBufferCL());
				launcher.setBuffer(m_data->m_contactKeyValues->getBufferCL());
				launcher.setConst(numContacts);
				launcher.launch1D( numContacts, 64 );
			}
						
			m_data->m_solverGPU->m_sort32->execute(*m_data->m_contactKeyValues);
			
			{
				b3LauncherCL launcher(m_data->m_queue, m_data->m_setDeterminismSortDataBodyAKernel);
				launcher.setBuffer(m_data->m_pBufContactOutGPUCopy->getBufferCL());
				launcher.setBuffer(m_data->m_contactKeyValues->getBufferCL());
				launcher.setConst(numContacts);
				launcher.launch1D( numContacts, 64 );
			}

			m_data->m_solverGPU->m_sort32->execute(*m_data->m_contactKeyValues);

			{
				B3_PROFILE("gpu reorderContactKernel (determinism)");
                                
				b3Int4 cdata;
				cdata.x = numContacts;
                                
				//b3BufferInfoCL bInfo[] = { b3BufferInfoCL( m_data->m_pBufContactOutGPU->getBufferCL() ), b3BufferInfoCL( m_data->m_solverGPU->m_contactBuffer2->getBufferCL())
				//	, b3BufferInfoCL( m_data->m_solverGPU->m_sortDataBuffer->getBufferCL()) };
				b3LauncherCL launcher(m_data->m_queue,m_data->m_solverGPU->m_reorderContactKernel);
				launcher.setBuffer(m_data->m_pBufContactOutGPUCopy->getBufferCL());
				launcher.setBuffer(m_data->m_pBufContactOutGPU->getBufferCL());
				launcher.setBuffer(m_data->m_contactKeyValues->getBufferCL());
				launcher.setConst( cdata );
				launcher.launch1D( numContacts, 64 );
            }

		} else
		{
			B3_PROFILE("CPU Sort contact constraints (determinism)");
			b3AlignedObjectArray<b3Contact4> cpuConstraints;
			m_data->m_pBufContactOutGPU->copyToHost(cpuConstraints);
			bool sort = true;
			if (sort)
			{
				cpuConstraints.quickSort(b3ContactCmp);

				for (int i=0;i<cpuConstraints.size();i++)
				{
					cpuConstraints[i].m_batchIdx = i;
				}
			}
			m_data->m_pBufContactOutGPU->copyFromHost(cpuConstraints);
			if (m_debugOutput==100)
			{
				for (int i=0;i<cpuConstraints.size();i++)
				{
					printf("c[%d].m_bodyA = %d, m_bodyB = %d, batchId = %d\n",i,cpuConstraints[i].m_bodyAPtrAndSignBit,cpuConstraints[i].m_bodyBPtrAndSignBit, cpuConstraints[i].m_batchIdx);
				}
			}

			m_debugOutput++;
		}
	}
	


//.........这里部分代码省略.........
开发者ID:Knn0N,项目名称:bullet3,代码行数:101,代码来源:b3GpuBatchingPgsSolver.cpp


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