124 lines
4.8 KiB
C++
124 lines
4.8 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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#include <QCoreApplication>
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#include <QOpenGLFramebufferObjectFormat>
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#include "Multisample.h"
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#include <App/Application.h>
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#include <Base/Parameter.h>
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using namespace Gui;
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// clang-format off
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static constexpr auto numMSAA {6};
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static constexpr auto idStr {0};
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static constexpr auto idEnum {1};
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static constexpr auto idMSAA {2};
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static constexpr std::array<std::tuple<std::string_view, AntiAliasing, int>, numMSAA> textMSAA {{
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{QT_TRANSLATE_NOOP("Gui::Dialog::DlgSettings3DView", "None"), AntiAliasing::None, 0},
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{QT_TRANSLATE_NOOP("Gui::Dialog::DlgSettings3DView", "Line smoothing"), AntiAliasing::MSAA1x, 1},
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{QT_TRANSLATE_NOOP("Gui::Dialog::DlgSettings3DView", "MSAA 2x"), AntiAliasing::MSAA2x, 2},
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{QT_TRANSLATE_NOOP("Gui::Dialog::DlgSettings3DView", "MSAA 4x"), AntiAliasing::MSAA4x, 4},
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{QT_TRANSLATE_NOOP("Gui::Dialog::DlgSettings3DView", "MSAA 6x"), AntiAliasing::MSAA6x, 6},
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{QT_TRANSLATE_NOOP("Gui::Dialog::DlgSettings3DView", "MSAA 8x"), AntiAliasing::MSAA8x, 8},
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}};
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// clang-format on
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Multisample::Multisample()
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{
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context.setFormat(format);
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context.create();
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offscreen.setFormat(format);
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offscreen.create();
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context.makeCurrent(&offscreen);
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}
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// NOLINTNEXTLINE(readability-convert-member-functions-to-static)
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bool Multisample::testSamples(int num) const
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{
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// This is always true
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if (num == 0 || num == 1) {
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return true;
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}
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QOpenGLFramebufferObjectFormat fboFormat;
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fboFormat.setAttachment(QOpenGLFramebufferObject::Depth);
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fboFormat.setSamples(num);
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QOpenGLFramebufferObject fbo(100, 100, fboFormat); // NOLINT
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return fbo.format().samples() == num;
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}
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std::vector<std::pair<QString, AntiAliasing>> Multisample::supported() const
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{
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std::vector<std::pair<QString, AntiAliasing>> modes;
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std::for_each(textMSAA.begin(), textMSAA.end(), [&modes, this](const auto& mode) {
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if (testSamples(std::get<idMSAA>(mode))) {
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const char* context = "Gui::Dialog::DlgSettings3DView";
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QString str = QCoreApplication::translate(context, std::get<idStr>(mode).data());
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modes.emplace_back(str, std::get<idEnum>(mode));
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}
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});
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return modes;
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}
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int Multisample::toSamples(AntiAliasing msaa)
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{
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auto it = std::find_if(textMSAA.begin(), textMSAA.end(), [msaa](const auto& mode) {
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return std::get<idEnum>(mode) == msaa;
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});
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if (it != textMSAA.end()) {
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return std::get<idMSAA>(*it);
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}
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return 0;
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}
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AntiAliasing Multisample::toAntiAliasing(int samples)
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{
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auto it = std::find_if(textMSAA.begin(), textMSAA.end(), [samples](const auto& mode) {
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return std::get<idMSAA>(mode) == samples;
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});
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if (it != textMSAA.end()) {
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return std::get<idEnum>(*it);
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}
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return AntiAliasing::None;
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}
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AntiAliasing Multisample::readMSAAFromSettings()
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{
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ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
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"User parameter:BaseApp/Preferences/View"
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);
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return AntiAliasing(hGrp->GetInt("AntiAliasing", int(Gui::AntiAliasing::None)));
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}
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void Multisample::writeMSAAToSettings(AntiAliasing msaa)
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{
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ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
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"User parameter:BaseApp/Preferences/View"
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);
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hGrp->SetInt("AntiAliasing", long(msaa));
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}
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