PModelResource CModel::getObjectResource(_In_ nfUint32 nIndex)
{
nfUint32 nCount = getObjectCount();
if (nIndex >= nCount)
throw CNMRException(NMR_ERROR_INVALIDINDEX);
return m_ObjectLookup[nIndex];
}
void GroupImpl::updateOutputBuffer( size_t workGroupSize )
{
size_t const numberOfObjects = getObjectCount();
size_t const numberOfWorkingGroups = (numberOfObjects + workGroupSize - 1) / workGroupSize;
size_t const numberOfResults = numberOfWorkingGroups * workGroupSize;
GLsizei newBufferOutputSize = static_cast<GLsizei>(numberOfResults / 8);
if ( m_outputBufferSize != newBufferOutputSize )
{
m_outputBufferSize = newBufferOutputSize;
if ( ! m_outputBuffer )
{
m_outputBuffer = dp::gl::Buffer::create(dp::gl::Buffer::CORE, GL_STATIC_DRAW, GL_SHADER_STORAGE_BUFFER);
}
m_outputBuffer->setSize(m_outputBufferSize);
}
}
void GroupImpl::updateInputBuffer( size_t workgroupSize )
{
dp::util::ProfileEntry p("cull::updateInputBuffer");
if ( m_inputChanged )
{
if ( ! m_inputBuffer )
{
m_inputBuffer = dp::gl::Buffer::create(dp::gl::Buffer::CORE, GL_STATIC_DRAW, GL_SHADER_STORAGE_BUFFER);
}
size_t const numberOfObjects = getObjectCount();
size_t const numberOfWorkingGroups = (numberOfObjects + workgroupSize - 1) / workgroupSize;
m_inputBuffer->setSize(numberOfWorkingGroups * workgroupSize * sizeof(ShaderObject));
dp::gl::MappedBuffer<ShaderObject> inputs(m_inputBuffer, GL_MAP_WRITE_BIT);
DP_ASSERT( inputs );
// generate list of objects to cull from shader
for ( size_t index = 0;index < numberOfObjects; ++index )
{
const ObjectBitSetSharedPtr& objectImpl = getObject( index );
ShaderObject &object = inputs[index];
object.matrix = static_cast<uint32_t>(objectImpl->getTransformIndex());
object.lowerLeft = objectImpl->getLowerLeft();
object.extent = objectImpl->getExtent();
}
// initialize unused objects in workgroup
for ( size_t index = numberOfObjects; index < numberOfWorkingGroups * workgroupSize; ++index )
{
ShaderObject &object = inputs[index];
object.matrix = 0;
object.extent = dp::math::Vec4f(0.0, 0.0f, 0.0f, 0.0f);
object.lowerLeft = dp::math::Vec4f( 0.0f, 0.0f, 0.0f, 0.0f);
}
m_inputChanged = false;
}
}
SWObject::~SWObject()
{
__this::destroy();
--getObjectCount();
SWLog( "SWObject deleted, remains: %d", getObjectCount() );
}
SWObject::SWObject()
{
++getObjectCount();
}
/// Get the probability of the object at \c objectIdx
double getObjectProbability(const size_t& objectIdx) {
double objectCount = static_cast<double>(getObjectCount(objectIdx));
double totalCount = static_cast<double>(getTotalCount());
return (objectCount / totalCount);
}
