118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
#include "GpuDemo.h"
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#include "GpuDemoInternalData.h"
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#include "Bullet3Common/b3Scalar.h"
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#include "Bullet3OpenCL/Initialize/b3OpenCLUtils.h"
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#include "OpenGLWindow/ShapeData.h"
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#include "OpenGLWindow/GLInstancingRenderer.h"
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GpuDemo::GpuDemo()
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:m_clData(0)
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{
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m_clData = new GpuDemoInternalData();
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}
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GpuDemo::~GpuDemo()
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{
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if (m_clData)
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{
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b3Assert(m_clData->m_clInitialized==false);
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delete m_clData;
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}
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}
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void GpuDemo::exitCL()
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{
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if (m_clData->m_clInitialized)
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{
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clReleaseCommandQueue(m_clData->m_clQueue);
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clReleaseContext(m_clData->m_clContext);
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m_clData->m_clInitialized = false;
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}
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}
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void GpuDemo::initCL(int preferredDeviceIndex, int preferredPlatformIndex)
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{
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void* glCtx=0;
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void* glDC = 0;
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int ciErrNum = 0;
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//#ifdef CL_PLATFORM_INTEL
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//cl_device_type deviceType = CL_DEVICE_TYPE_ALL;
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//#else
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cl_device_type deviceType = CL_DEVICE_TYPE_GPU;
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//#endif
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cl_platform_id platformId;
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// if (useInterop)
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// {
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// m_data->m_clContext = b3OpenCLUtils::createContextFromType(deviceType, &ciErrNum, glCtx, glDC);
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// } else
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{
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m_clData->m_clContext = b3OpenCLUtils::createContextFromType(deviceType, &ciErrNum, 0,0,preferredDeviceIndex, preferredPlatformIndex,&platformId);
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b3OpenCLUtils::printPlatformInfo(platformId);
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}
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oclCHECKERROR(ciErrNum, CL_SUCCESS);
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int numDev = b3OpenCLUtils::getNumDevices(m_clData->m_clContext);
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if (numDev>0)
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{
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m_clData->m_clDevice= b3OpenCLUtils::getDevice(m_clData->m_clContext,0);
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m_clData->m_clQueue = clCreateCommandQueue(m_clData->m_clContext, m_clData->m_clDevice, 0, &ciErrNum);
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oclCHECKERROR(ciErrNum, CL_SUCCESS);
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b3OpenCLUtils::printDeviceInfo(m_clData->m_clDevice);
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b3OpenCLDeviceInfo info;
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b3OpenCLUtils::getDeviceInfo(m_clData->m_clDevice,&info);
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m_clData->m_clDeviceName = info.m_deviceName;
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m_clData->m_clInitialized = true;
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}
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}
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int GpuDemo::registerGraphicsSphereShape(const ConstructionInfo& ci, float radius, bool usePointSprites, int largeSphereThreshold, int mediumSphereThreshold)
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{
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int strideInBytes = 9*sizeof(float);
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int graphicsShapeIndex = -1;
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if (radius>=largeSphereThreshold)
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{
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int numVertices = sizeof(detailed_sphere_vertices)/strideInBytes;
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int numIndices = sizeof(detailed_sphere_indices)/sizeof(int);
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graphicsShapeIndex = ci.m_instancingRenderer->registerShape(&detailed_sphere_vertices[0],numVertices,detailed_sphere_indices,numIndices);
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} else
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{
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if (usePointSprites)
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{
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int numVertices = sizeof(point_sphere_vertices)/strideInBytes;
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int numIndices = sizeof(point_sphere_indices)/sizeof(int);
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graphicsShapeIndex = ci.m_instancingRenderer->registerShape(&point_sphere_vertices[0],numVertices,point_sphere_indices,numIndices,B3_GL_POINTS);
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} else
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{
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if (radius>=mediumSphereThreshold)
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{
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int numVertices = sizeof(medium_sphere_vertices)/strideInBytes;
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int numIndices = sizeof(medium_sphere_indices)/sizeof(int);
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graphicsShapeIndex = ci.m_instancingRenderer->registerShape(&medium_sphere_vertices[0],numVertices,medium_sphere_indices,numIndices);
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} else
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{
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int numVertices = sizeof(low_sphere_vertices)/strideInBytes;
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int numIndices = sizeof(low_sphere_indices)/sizeof(int);
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graphicsShapeIndex = ci.m_instancingRenderer->registerShape(&low_sphere_vertices[0],numVertices,low_sphere_indices,numIndices);
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}
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}
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}
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return graphicsShapeIndex;
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} |