Manuel Castilla
9adfd278f7
This patch adds the base code needed to make the full-frame system work for both current tiled/per-pixel implementation of operations and full-frame. Two execution models: - Tiled: Current implementation. Renders execution groups in tiles from outputs to input. Not all operations are buffered. Runs the tiled/per-pixel implementation. - FullFrame: All operations are buffered. Fully renders operations from inputs to outputs. Runs full-frame implementation of operations if available otherwise the current tiled/per-pixel. Creates output buffers on first read and free them as soon as all its readers have finished, reducing peak memory usage of complex/long trees. Operations are multi-threaded but do not run in parallel as Tiled (will be done in another patch). This should allow us to convert operations to full-frame in small steps with the system already working and solve the problem of high memory usage. FullFrame breaking changes respect Tiled system, mainly: - Translate, Rotate, Scale, and Transform take effect immediately instead of next buffered operation. - Any sampling is always done over inputs instead of last buffered operation. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D11113
85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2021, Blender Foundation.
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*/
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#pragma once
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#include "BLI_rect.h"
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#include "BLI_vector.hh"
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#include "COM_ExecutionSystem.h"
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#include <functional>
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#ifdef WITH_CXX_GUARDEDALLOC
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# include "MEM_guardedalloc.h"
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#endif
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namespace blender::compositor {
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class NodeOperation;
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/**
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* Base class for execution models. Contains shared implementation.
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*/
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class ExecutionModel {
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protected:
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/**
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* Render and viewer border info. Coordinates are normalized.
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*/
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struct {
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bool use_render_border;
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const rctf *render_border;
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bool use_viewer_border;
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const rctf *viewer_border;
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} border_;
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/**
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* Context used during execution.
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*/
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CompositorContext &context_;
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/**
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* All operations being executed.
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*/
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Span<NodeOperation *> operations_;
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public:
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ExecutionModel(CompositorContext &context, Span<NodeOperation *> operations);
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virtual ~ExecutionModel()
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{
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}
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virtual void execute(ExecutionSystem &exec_system) = 0;
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virtual void execute_work(const rcti &UNUSED(work_rect),
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std::function<void(const rcti &split_rect)> UNUSED(work_func))
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{
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BLI_assert(!"Method not supported by current execution model");
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}
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protected:
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bool is_breaked() const;
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("COM:BaseExecutionModel")
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#endif
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};
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} // namespace blender::compositor
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