void ResourceVertexAttributeSet::update()
{
/** copy over vertex data **/
dp::rix::core::Renderer *renderer = m_resourceManager->getRenderer();
std::vector<dp::rix::core::VertexFormatInfo> vertexInfos;
dp::rix::core::VertexDataSharedHandle vertexData = renderer->vertexDataCreate();
unsigned int numVertices = m_vertexAttributeSet->getVertexAttribute( 0 ).getVertexDataCount();
std::vector<ResourceBufferSharedPtr> resourceBuffers;
unsigned int currentStream = 0;
std::vector<dp::sg::core::BufferSharedPtr> streams;
for ( unsigned int i = 0; i < 16; ++i ) // FIXME Must match MAX_ATTRIBUTES, but that is only defined in inc\RendererAPI\RendererGL.h
{
dp::sg::core::VertexAttribute va = m_vertexAttributeSet->getVertexAttribute( i );
if ( va.getBuffer() && va.getVertexDataCount() == numVertices )
{
ResourceBufferSharedPtr resourceBuffer = ResourceBuffer::get(va.getBuffer(), m_resourceManager );
//resourceVertexAttributeSet->m_resourceBuffers.push_back( resourceBuffer );
resourceBuffers.push_back( resourceBuffer );
std::vector<dp::sg::core::BufferSharedPtr>::iterator it = std::find( streams.begin(), streams.end(), va.getBuffer() );
if ( it == streams.end() )
{
currentStream = static_cast<unsigned int>(streams.size());
streams.push_back( va.getBuffer() );
}
else
{
currentStream = static_cast<unsigned int>(std::distance( streams.begin(), it ));
}
vertexInfos.push_back( dp::rix::core::VertexFormatInfo( i, va.getVertexDataType(), va.getVertexDataSize(), false, currentStream, va.getVertexDataOffsetInBytes(), va.getVertexDataStrideInBytes()));
renderer->vertexDataSet( vertexData, currentStream, resourceBuffer->m_bufferHandle, 0, numVertices );
}
}
dp::rix::core::VertexFormatDescription vertexFormatDescription(vertexInfos.empty() ? nullptr : &vertexInfos[0], vertexInfos.size());
dp::rix::core::VertexFormatSharedHandle vertexFormat = renderer->vertexFormatCreate( vertexFormatDescription );
renderer->vertexAttributesSet( m_vertexAttributesHandle, vertexData, vertexFormat );
// keep a reference to the new resourceBuffers and remove reference to the old ones
m_resourceBuffers.swap( resourceBuffers );
}
GeometrySharedHandle generateGeometry( dp::util::generator::SmartGeometryData& meshIn, dp::rix::core::Renderer* m_rix )
{
unsigned int attrMask = 0;
for( map<dp::util::generator::AttributeID, dp::util::generator::AttributeData>::iterator it = meshIn->m_attributes.begin(); it != meshIn->m_attributes.end(); ++it )
{
attrMask |= it->first;
}
map<dp::util::generator::AttributeID, BufferSharedHandle> vbuffers;
vector<VertexFormatInfo> vfis;
BufferSharedHandle ibuffer;
if( !meshIn->m_indices.empty() )
{
ibuffer = m_rix->bufferCreate();
size_t bufferSize = meshIn->m_indices.size() * sizeof(unsigned int);
m_rix->bufferSetSize( ibuffer, bufferSize );
m_rix->bufferUpdateData( ibuffer, 0, &meshIn->m_indices[0], bufferSize );
}
VertexDataSharedHandle vertexData = m_rix->vertexDataCreate();
for(unsigned int i = 0; i < NUM_ATTRIBS; i++)
{
dp::util::generator::AttributeID curAttr = (dp::util::generator::AttributeID)(1 << i);
if( attrMask & curAttr )
{
vbuffers[curAttr] = m_rix->bufferCreate();
m_rix->bufferSetSize( vbuffers[curAttr], meshIn->m_attributes[curAttr].m_data.size() * sizeof(float) );
m_rix->bufferUpdateData( vbuffers[curAttr], 0, &meshIn->m_attributes[curAttr].m_data[0], meshIn->m_attributes[curAttr].m_data.size() * sizeof(float) );
dp::util::Uint8 streamId = dp::util::checked_cast<dp::util::Uint8>( vfis.size() );
vfis.push_back( VertexFormatInfo( i, dp::util::DT_FLOAT_32, meshIn->m_attributes[curAttr].m_dimensionality, false,
streamId, 0, meshIn->m_attributes[curAttr].m_dimensionality * sizeof(float)) );
m_rix->vertexDataSet( vertexData, streamId, vbuffers[curAttr], 0, meshIn->m_attributes[curAttr].m_data.size() / meshIn->m_attributes[curAttr].m_dimensionality );
}
}
VertexFormatDescription vertexFormatDescription( &vfis[0], vfis.size() );
VertexFormatSharedHandle vertexFormat = m_rix->vertexFormatCreate( vertexFormatDescription );
VertexAttributesSharedHandle vertexAttributes = m_rix->vertexAttributesCreate();
m_rix->vertexAttributesSet( vertexAttributes, vertexData, vertexFormat );
IndicesSharedHandle indices = 0;
if( !meshIn->m_indices.empty() )
{
indices = m_rix->indicesCreate();
m_rix->indicesSetData( indices, dp::util::DT_UNSIGNED_INT_32, ibuffer, 0, meshIn->m_indices.size() );
}
GeometryDescriptionSharedHandle geometryDescription = m_rix->geometryDescriptionCreate();
m_rix->geometryDescriptionSet( geometryDescription, meshIn->m_gpt );
GeometrySharedHandle geometry = m_rix->geometryCreate();
m_rix->geometrySetData( geometry, geometryDescription, vertexAttributes, indices );
return geometry;
}
