void ExecutionSystem::execute()
{
const bNodeTree *editingtree = this->m_context.getbNodeTree();
editingtree->stats_draw(editingtree->sdh, (char *)"Compositing | Initializing execution");
DebugInfo::execute_started(this);
unsigned int order = 0;
for (vector<NodeOperation *>::iterator iter = this->m_operations.begin(); iter != this->m_operations.end(); ++iter) {
NodeOperation *operation = *iter;
if (operation->isReadBufferOperation()) {
ReadBufferOperation *readOperation = (ReadBufferOperation *)operation;
readOperation->setOffset(order);
order++;
}
}
unsigned int index;
// First allocale all write buffer
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
if (operation->isWriteBufferOperation()) {
operation->setbNodeTree(this->m_context.getbNodeTree());
operation->initExecution();
}
}
// Connect read buffers to their write buffers
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
if (operation->isReadBufferOperation()) {
ReadBufferOperation *readOperation = (ReadBufferOperation *)operation;
readOperation->updateMemoryBuffer();
}
}
// initialize other operations
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
if (!operation->isWriteBufferOperation()) {
operation->setbNodeTree(this->m_context.getbNodeTree());
operation->initExecution();
}
}
for (index = 0; index < this->m_groups.size(); index++) {
ExecutionGroup *executionGroup = this->m_groups[index];
executionGroup->setChunksize(this->m_context.getChunksize());
executionGroup->initExecution();
}
WorkScheduler::start(this->m_context);
executeGroups(COM_PRIORITY_HIGH);
if (!this->getContext().isFastCalculation()) {
executeGroups(COM_PRIORITY_MEDIUM);
executeGroups(COM_PRIORITY_LOW);
}
WorkScheduler::finish();
WorkScheduler::stop();
editingtree->stats_draw(editingtree->sdh, (char *)"Compositing | Deinitializing execution");
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
operation->deinitExecution();
}
for (index = 0; index < this->m_groups.size(); index++) {
ExecutionGroup *executionGroup = this->m_groups[index];
executionGroup->deinitExecution();
}
}
