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/*
* 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.
*
* Copyright 2021, Blender Foundation.
*/
#include "COM_TiledExecutionModel.h"
#include "COM_Debug.h"
#include "COM_ExecutionGroup.h"
#include "COM_ReadBufferOperation.h"
#include "COM_WorkScheduler.h"
#include "BLT_translation.h"
#ifdef WITH_CXX_GUARDEDALLOC
# include "MEM_guardedalloc.h"
#endif
namespace blender::compositor {
TiledExecutionModel::TiledExecutionModel(CompositorContext &context,
Span<NodeOperation *> operations,
Span<ExecutionGroup *> groups)
: ExecutionModel(context, operations), groups_(groups)
{
const bNodeTree *node_tree = context.getbNodeTree();
node_tree->stats_draw(node_tree->sdh, TIP_("Compositing | Determining resolution"));
unsigned int resolution[2];
for (ExecutionGroup *group : groups_) {
resolution[0] = 0;
resolution[1] = 0;
group->determineResolution(resolution);
if (border_.use_render_border) {
const rctf *render_border = border_.render_border;
group->setRenderBorder(
render_border->xmin, render_border->xmax, render_border->ymin, render_border->ymax);
}
if (border_.use_viewer_border) {
const rctf *viewer_border = border_.viewer_border;
group->setViewerBorder(
viewer_border->xmin, viewer_border->xmax, viewer_border->ymin, viewer_border->ymax);
}
}
}
static void update_read_buffer_offset(Span<NodeOperation *> operations)
{
unsigned int order = 0;
for (NodeOperation *operation : operations) {
if (operation->get_flags().is_read_buffer_operation) {
ReadBufferOperation *readOperation = (ReadBufferOperation *)operation;
readOperation->setOffset(order);
order++;
}
}
}
static void init_write_operations_for_execution(Span<NodeOperation *> operations,
const bNodeTree *bTree)
{
for (NodeOperation *operation : operations) {
if (operation->get_flags().is_write_buffer_operation) {
operation->setbNodeTree(bTree);
operation->initExecution();
}
}
}
static void link_write_buffers(Span<NodeOperation *> operations)
{
for (NodeOperation *operation : operations) {
if (operation->get_flags().is_read_buffer_operation) {
ReadBufferOperation *readOperation = static_cast<ReadBufferOperation *>(operation);
readOperation->updateMemoryBuffer();
}
}
}
static void init_non_write_operations_for_execution(Span<NodeOperation *> operations,
const bNodeTree *bTree)
{
for (NodeOperation *operation : operations) {
if (!operation->get_flags().is_write_buffer_operation) {
operation->setbNodeTree(bTree);
operation->initExecution();
}
}
}
static void init_execution_groups_for_execution(Span<ExecutionGroup *> groups,
const int chunk_size)
{
for (ExecutionGroup *execution_group : groups) {
execution_group->setChunksize(chunk_size);
execution_group->initExecution();
}
}
void TiledExecutionModel::execute(ExecutionSystem &exec_system)
{
const bNodeTree *editingtree = this->context_.getbNodeTree();
editingtree->stats_draw(editingtree->sdh, TIP_("Compositing | Initializing execution"));
update_read_buffer_offset(operations_);
init_write_operations_for_execution(operations_, context_.getbNodeTree());
link_write_buffers(operations_);
init_non_write_operations_for_execution(operations_, context_.getbNodeTree());
init_execution_groups_for_execution(groups_, context_.getChunksize());
WorkScheduler::start(context_);
execute_groups(eCompositorPriority::High, exec_system);
if (!context_.isFastCalculation()) {
execute_groups(eCompositorPriority::Medium, exec_system);
execute_groups(eCompositorPriority::Low, exec_system);
}
WorkScheduler::finish();
WorkScheduler::stop();
editingtree->stats_draw(editingtree->sdh, TIP_("Compositing | De-initializing execution"));
for (NodeOperation *operation : operations_) {
operation->deinitExecution();
}
for (ExecutionGroup *execution_group : groups_) {
execution_group->deinitExecution();
}
}
void TiledExecutionModel::execute_groups(eCompositorPriority priority,
ExecutionSystem &exec_system)
{
for (ExecutionGroup *execution_group : groups_) {
if (execution_group->get_flags().is_output &&
execution_group->getRenderPriority() == priority) {
execution_group->execute(&exec_system);
}
}
}
} // namespace blender::compositor
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