update method
Implementation
void update(uniformsGroup, WebGLProgram? program ) {
dynamic buffer = buffers[uniformsGroup.id];
if ( buffer == null ) {
prepareUniformsGroup( uniformsGroup );
buffer = createBuffer( uniformsGroup );
buffers[ uniformsGroup.id ] = buffer;
uniformsGroup.addEventListener( 'dispose', onUniformsGroupsDispose );
}
// ensure to update the binding points/block indices mapping for this program
final webglProgram = program?.program;
state.updateUBOMapping( uniformsGroup, webglProgram! );
// update UBO once per frame
final frame = info.render['frame'];
if ( updateList[ uniformsGroup.id ] != frame ) {
updateBufferData( uniformsGroup );
updateList[ uniformsGroup.id ] = frame;
}
}