Method stepSimulation

examples/OpenCL/broadphase/PairBench.cpp:425–716

};

void PairBench::stepSimulation(float deltaTime)
{
	//color all objects blue

	GLInstanceRendererInternalData* internalData = m_guiHelper->getRenderInterface()->getInternalData();

	if (internalData == 0)
		return;

	//bool animate=true;
	int numObjects = 0;
	{
		B3_PROFILE("Num Objects");
		numObjects = internalData->m_totalNumInstances;
	}
	b3Vector4* positions = 0;
	if (numObjects)
	{
		B3_PROFILE("Sync");
		GLuint vbo = internalData->m_vbo;

		int arraySizeInBytes = numObjects * (3) * sizeof(b3Vector4);

		glBindBuffer(GL_ARRAY_BUFFER, vbo);
		//	cl_bool blocking=  CL_TRUE;
		char* hostPtr = 0;
		{
			B3_PROFILE("glMapBufferRange");
			hostPtr = (char*)glMapBufferRange(GL_ARRAY_BUFFER, internalData->m_maxShapeCapacityInBytes, arraySizeInBytes, GL_MAP_WRITE_BIT | GL_MAP_READ_BIT);  //GL_READ_WRITE);//GL_WRITE_ONLY
		}
		GLint err = glGetError();
		assert(err == GL_NO_ERROR);
		positions = (b3Vector4*)hostPtr;

		if (m_data->m_instancePosOrnColor && m_data->m_instancePosOrnColor->size() != 3 * numObjects)
		{
			delete m_data->m_instancePosOrnColor;
			m_data->m_instancePosOrnColor = 0;
		}
		if (!m_data->m_instancePosOrnColor)
		{
			m_data->m_instancePosOrnColor = new b3OpenCLArray<b3Vector4>(m_clData->m_clContext, m_clData->m_clQueue);
			m_data->m_instancePosOrnColor->resize(3 * numObjects);
			m_data->m_instancePosOrnColor->copyFromHostPointer(positions, 3 * numObjects, 0);
			m_data->m_bodyTimes = new b3OpenCLArray<float>(m_clData->m_clContext, m_clData->m_clQueue);
			m_data->m_bodyTimes->resize(numObjects);
			b3AlignedObjectArray<float> tmp;
			tmp.resize(numObjects);
			for (int i = 0; i < numObjects; i++)
			{
				tmp[i] = float(i) * (1024.f / numObjects);
			}
			m_data->m_bodyTimes->copyFromHost(tmp);
		}

		if (!gPairBenchFileName)
		{
			if (1)