83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2017 Martin Flöser <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "egl_context_attribute_builder.h"
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#include <epoxy/egl.h>
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namespace KWin
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{
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std::vector<int> EglContextAttributeBuilder::build() const
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{
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std::vector<int> attribs;
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if (isVersionRequested()) {
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attribs.emplace_back(EGL_CONTEXT_MAJOR_VERSION_KHR);
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attribs.emplace_back(majorVersion());
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attribs.emplace_back(EGL_CONTEXT_MINOR_VERSION_KHR);
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attribs.emplace_back(minorVersion());
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}
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int contextFlags = 0;
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if (isRobust()) {
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attribs.emplace_back(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR);
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attribs.emplace_back(EGL_LOSE_CONTEXT_ON_RESET_KHR);
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contextFlags |= EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR;
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}
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if (isForwardCompatible()) {
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contextFlags |= EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
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}
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if (contextFlags != 0) {
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attribs.emplace_back(EGL_CONTEXT_FLAGS_KHR);
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attribs.emplace_back(contextFlags);
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}
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if (isCoreProfile() || isCompatibilityProfile()) {
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attribs.emplace_back(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
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if (isCoreProfile()) {
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attribs.emplace_back(EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR);
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} else if (isCompatibilityProfile()) {
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attribs.emplace_back(EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR);
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}
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}
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if (isHighPriority()) {
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attribs.emplace_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
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attribs.emplace_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
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}
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attribs.emplace_back(EGL_NONE);
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return attribs;
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}
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std::vector<int> EglOpenGLESContextAttributeBuilder::build() const
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{
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std::vector<int> attribs;
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attribs.emplace_back(EGL_CONTEXT_CLIENT_VERSION);
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attribs.emplace_back(majorVersion());
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if (isRobust()) {
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attribs.emplace_back(EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT);
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attribs.emplace_back(EGL_TRUE);
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attribs.emplace_back(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT);
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attribs.emplace_back(EGL_LOSE_CONTEXT_ON_RESET_EXT);
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}
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if (isHighPriority()) {
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attribs.emplace_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG);
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attribs.emplace_back(EGL_CONTEXT_PRIORITY_HIGH_IMG);
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}
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attribs.emplace_back(EGL_NONE);
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return attribs;
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}
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}
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