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blender-archive/source/blender/compositor/intern/COM_ExecutionSystem.cpp

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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_ExecutionSystem.h"
#include <sstream>
#include "PIL_time.h"
#include "BKE_node.h"
#include "COM_Converter.h"
#include "COM_NodeOperation.h"
#include "COM_ExecutionGroup.h"
#include "COM_NodeBase.h"
#include "COM_WorkScheduler.h"
#include "COM_ReadBufferOperation.h"
#include "COM_GroupNode.h"
#include "COM_WriteBufferOperation.h"
#include "COM_ReadBufferOperation.h"
#include "COM_ExecutionSystemHelper.h"
#include "BKE_global.h"
#ifdef WITH_CXX_GUARDEDALLOC
#include "MEM_guardedalloc.h"
#endif
ExecutionSystem::ExecutionSystem(RenderData *rd, bNodeTree *editingtree, bool rendering)
{
this->m_context.setbNodeTree(editingtree);
bNode *gnode;
for (gnode = (bNode *)editingtree->nodes.first; gnode; gnode = (bNode *)gnode->next) {
if (gnode->type == NODE_GROUP && gnode->typeinfo->group_edit_get(gnode)) {
this->m_context.setActivegNode(gnode);
break;
}
}
/* initialize the CompositorContext */
if (rendering) {
this->m_context.setQuality((CompositorQuality)editingtree->render_quality);
}
else {
this->m_context.setQuality((CompositorQuality)editingtree->edit_quality);
}
this->m_context.setRendering(rendering);
this->m_context.setHasActiveOpenCLDevices(WorkScheduler::hasGPUDevices() && (editingtree->flag & NTREE_COM_OPENCL));
ExecutionSystemHelper::addbNodeTree(*this, 0, editingtree, NULL);
this->m_context.setRenderData(rd);
this->convertToOperations();
this->groupOperations(); /* group operations in ExecutionGroups */
unsigned int index;
unsigned int resolution[2];
for (index = 0; index < this->m_groups.size(); index++) {
resolution[0] = 0;
resolution[1] = 0;
ExecutionGroup *executionGroup = this->m_groups[index];
executionGroup->determineResolution(resolution);
}
#ifdef COM_DEBUG
ExecutionSystemHelper::debugDump(this);
#endif
}
ExecutionSystem::~ExecutionSystem()
{
unsigned int index;
for (index = 0; index < this->m_connections.size(); index++) {
SocketConnection *connection = this->m_connections[index];
delete connection;
}
this->m_connections.clear();
for (index = 0; index < this->m_nodes.size(); index++) {
Node *node = this->m_nodes[index];
delete node;
}
this->m_nodes.clear();
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
delete operation;
}
this->m_operations.clear();
for (index = 0; index < this->m_groups.size(); index++) {
ExecutionGroup *group = this->m_groups[index];
delete group;
}
this->m_groups.clear();
}
void ExecutionSystem::execute()
{
unsigned int order = 0;
for (vector<NodeOperation *>::iterator iter = this->m_operations.begin(); iter != this->m_operations.end(); ++iter) {
NodeBase *node = *iter;
NodeOperation *operation = (NodeOperation *) node;
if (operation->isReadBufferOperation()) {
ReadBufferOperation *readOperation = (ReadBufferOperation *)operation;
readOperation->setOffset(order);
order++;
}
}
unsigned int index;
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
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);
executeGroups(COM_PRIORITY_MEDIUM);
executeGroups(COM_PRIORITY_LOW);
WorkScheduler::finish();
WorkScheduler::stop();
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();
}
}
void ExecutionSystem::executeGroups(CompositorPriority priority)
{
unsigned int index;
vector<ExecutionGroup *> executionGroups;
this->findOutputExecutionGroup(&executionGroups, priority);
for (index = 0; index < executionGroups.size(); index++) {
ExecutionGroup *group = executionGroups[index];
group->execute(this);
}
}
void ExecutionSystem::addOperation(NodeOperation *operation)
{
ExecutionSystemHelper::addOperation(this->m_operations, operation);
// operation->setBTree
}
void ExecutionSystem::addReadWriteBufferOperations(NodeOperation *operation)
{
// for every input add write and read operation if input is not a read operation
// only add read operation to other links when they are attached to buffered operations.
unsigned int index;
for (index = 0; index < operation->getNumberOfInputSockets(); index++) {
InputSocket *inputsocket = operation->getInputSocket(index);
if (inputsocket->isConnected()) {
SocketConnection *connection = inputsocket->getConnection();
NodeOperation *otherEnd = (NodeOperation *)connection->getFromNode();
if (!otherEnd->isReadBufferOperation()) {
// check of other end already has write operation
OutputSocket *fromsocket = connection->getFromSocket();
WriteBufferOperation *writeoperation = fromsocket->findAttachedWriteBufferOperation();
if (writeoperation == NULL) {
writeoperation = new WriteBufferOperation();
writeoperation->setbNodeTree(this->getContext().getbNodeTree());
this->addOperation(writeoperation);
ExecutionSystemHelper::addLink(this->getConnections(), fromsocket, writeoperation->getInputSocket(0));
writeoperation->readResolutionFromInputSocket();
}
ReadBufferOperation *readoperation = new ReadBufferOperation();
readoperation->setMemoryProxy(writeoperation->getMemoryProxy());
connection->setFromSocket(readoperation->getOutputSocket());
readoperation->getOutputSocket()->addConnection(connection);
readoperation->readResolutionFromWriteBuffer();
this->addOperation(readoperation);
}
}
}
/*
* link the outputsocket to a write operation
* link the writeoperation to a read operation
* link the read operation to the next node.
*/
OutputSocket *outputsocket = operation->getOutputSocket();
if (outputsocket->isConnected()) {
WriteBufferOperation *writeOperation;
writeOperation = new WriteBufferOperation();
writeOperation->setbNodeTree(this->getContext().getbNodeTree());
this->addOperation(writeOperation);
ExecutionSystemHelper::addLink(this->getConnections(), outputsocket, writeOperation->getInputSocket(0));
writeOperation->readResolutionFromInputSocket();
for (index = 0; index < outputsocket->getNumberOfConnections() - 1; index++) {
SocketConnection *connection = outputsocket->getConnection(index);
ReadBufferOperation *readoperation = new ReadBufferOperation();
readoperation->setMemoryProxy(writeOperation->getMemoryProxy());
connection->setFromSocket(readoperation->getOutputSocket());
readoperation->getOutputSocket()->addConnection(connection);
readoperation->readResolutionFromWriteBuffer();
this->addOperation(readoperation);
}
}
}
void ExecutionSystem::convertToOperations()
{
unsigned int index;
for (index = 0; index < this->m_nodes.size(); index++) {
Node *node = (Node *)this->m_nodes[index];
node->convertToOperations(this, &this->m_context);
}
for (index = 0; index < this->m_connections.size(); index++) {
SocketConnection *connection = this->m_connections[index];
if (connection->isValid()) {
if (connection->getFromSocket()->getDataType() != connection->getToSocket()->getDataType()) {
Converter::convertDataType(connection, this);
}
}
}
// determine all resolutions of the operations (Width/Height)
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
if (operation->isOutputOperation(this->m_context.isRendering()) && !operation->isPreviewOperation()) {
unsigned int resolution[2] = {0, 0};
unsigned int preferredResolution[2] = {0, 0};
operation->determineResolution(resolution, preferredResolution);
operation->setResolution(resolution);
}
}
for (index = 0; index < this->m_operations.size(); index++) {
NodeOperation *operation = this->m_operations[index];
if (operation->isOutputOperation(this->m_context.isRendering()) && operation->isPreviewOperation()) {
unsigned int resolution[2] = {0, 0};
unsigned int preferredResolution[2] = {0, 0};
operation->determineResolution(resolution, preferredResolution);
operation->setResolution(resolution);
}
}
// add convert resolution operations when needed.
for (index = 0; index < this->m_connections.size(); index++) {
SocketConnection *connection = this->m_connections[index];
if (connection->isValid()) {
if (connection->needsResolutionConversion()) {
Converter::convertResolution(connection, this);
}
}
}
}
void ExecutionSystem::groupOperations()
{
vector<NodeOperation *> outputOperations;
NodeOperation *operation;
unsigned int index;
// surround complex operations with ReadBufferOperation and WriteBufferOperation
for (index = 0; index < this->m_operations.size(); index++) {
operation = this->m_operations[index];
if (operation->isComplex()) {
this->addReadWriteBufferOperations(operation);
}
}
ExecutionSystemHelper::findOutputNodeOperations(&outputOperations, this->getOperations(), this->m_context.isRendering());
for (vector<NodeOperation *>::iterator iter = outputOperations.begin(); iter != outputOperations.end(); ++iter) {
operation = *iter;
ExecutionGroup *group = new ExecutionGroup();
group->addOperation(this, operation);
group->setOutputExecutionGroup(true);
ExecutionSystemHelper::addExecutionGroup(this->getExecutionGroups(), group);
}
}
void ExecutionSystem::addSocketConnection(SocketConnection *connection)
{
this->m_connections.push_back(connection);
}
void ExecutionSystem::findOutputExecutionGroup(vector<ExecutionGroup *> *result, CompositorPriority priority) const
{
unsigned int index;
for (index = 0; index < this->m_groups.size(); index++) {
ExecutionGroup *group = this->m_groups[index];
if (group->isOutputExecutionGroup() && group->getRenderPriotrity() == priority) {
result->push_back(group);
}
}
}
void ExecutionSystem::findOutputExecutionGroup(vector<ExecutionGroup *> *result) const
{
unsigned int index;
for (index = 0; index < this->m_groups.size(); index++) {
ExecutionGroup *group = this->m_groups[index];
if (group->isOutputExecutionGroup()) {
result->push_back(group);
}
}
}