73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2024 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of FreeCAD. *
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* *
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* FreeCAD is free software: you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 2.1 of the *
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* License, or (at your option) any later version. *
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* *
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* FreeCAD is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with FreeCAD. If not, see *
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* <https://www.gnu.org/licenses/>. *
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* *
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**************************************************************************/
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#ifndef GUI_MULTISAMPLE_H
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#define GUI_MULTISAMPLE_H
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#include <map>
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#include <vector>
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#include <FCGlobal.h>
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#include <QOffscreenSurface>
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#include <QOpenGLContext>
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#include <QSurfaceFormat>
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namespace Gui
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{
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/** @name Anti-Aliasing modes of the rendered 3D scene
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* Specifies Anti-Aliasing (AA) method
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* - Smoothing enables OpenGL line and vertex smoothing (basically deprecated)
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* - MSAA is hardware multi sampling (with 2, 4, 6 or 8 passes), a quite common and efficient AA technique
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*/
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//@{
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enum class AntiAliasing {
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None = 0,
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MSAA1x = 1,
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MSAA2x = 2,
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MSAA4x = 3,
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MSAA6x = 5,
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MSAA8x = 4
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};
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//@}
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class GuiExport Multisample
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{
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public:
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Multisample();
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bool testSamples(int num) const;
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std::vector<std::pair<QString, AntiAliasing>> supported() const;
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static int toSamples(AntiAliasing msaa);
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static AntiAliasing toAntiAliasing(int samples);
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static AntiAliasing readMSAAFromSettings();
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static void writeMSAAToSettings(AntiAliasing msaa);
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private:
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QSurfaceFormat format;
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QOpenGLContext context;
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QOffscreenSurface offscreen;
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};
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} // namespace Gui
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#endif // GUI_MULTISAMPLE_H
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