190a92bc3f
This enables kwin to get notified when a memory has been lost in the system, allowing the driver to purge all the memory and have kwin create new contexts. This matches what we do on GLX.
79 lines
2.7 KiB
C++
79 lines
2.7 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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SPDX-FileCopyrightText: 2017 Martin Flöser <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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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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if (isResetOnVideoMemoryPurge()) {
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attribs.emplace_back(EGL_GENERATE_RESET_ON_VIDEO_MEMORY_PURGE_NV);
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attribs.emplace_back(GL_TRUE);
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}
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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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if (isResetOnVideoMemoryPurge()) {
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attribs.emplace_back(EGL_GENERATE_RESET_ON_VIDEO_MEMORY_PURGE_NV);
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attribs.emplace_back(GL_TRUE);
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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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}
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