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backends/x11: Use EGL_KHR_platform_gbm

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We provide own window system integration bits, so use the
EGL_KHR_platform_gbm extension to get the EGLDisplay for the consistency
sake.
This commit is contained in:
Vlad Zahorodnii 2023-04-15 21:12:33 +03:00
parent 285aa072e9
commit ce1e957181
1 changed files with 11 additions and 18 deletions
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29
src/backends/x11/windowed/x11_windowed_egl_backend.cpp
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@ -271,28 +271,21 @@ X11WindowedBackend *X11WindowedEglBackend::backend() const
bool X11WindowedEglBackend::initializeEgl()
{
initClientExtensions();
auto display = kwinApp()->outputBackend()->sceneEglDisplayObject();
// Use eglGetPlatformDisplayEXT() to get the display pointer
// if the implementation supports it.
if (!display) {
const bool havePlatformBase = hasClientExtension(QByteArrayLiteral("EGL_EXT_platform_base"));
if (havePlatformBase) {
// Make sure that the X11 platform is supported
if (!hasClientExtension(QByteArrayLiteral("EGL_EXT_platform_x11")) && !hasClientExtension(QByteArrayLiteral("EGL_KHR_platform_x11"))) {
qCWarning(KWIN_X11WINDOWED) << "EGL_EXT_platform_base is supported, but neither EGL_EXT_platform_x11 nor EGL_KHR_platform_x11 is supported."
<< "Cannot create EGLDisplay on X11";
if (!m_backend->sceneEglDisplayObject()) {
for (const QByteArray &extension : {QByteArrayLiteral("EGL_EXT_platform_base"), QByteArrayLiteral("EGL_KHR_platform_gbm")}) {
if (!hasClientExtension(extension)) {
qCWarning(KWIN_X11WINDOWED) << extension << "client extension is not supported by the platform";
return false;
}
}
m_backend->setEglDisplay(EglDisplay::create(eglGetPlatformDisplayEXT(EGL_PLATFORM_X11_EXT, m_backend->display(), nullptr)));
} else {
m_backend->setEglDisplay(EglDisplay::create(eglGetDisplay(m_backend->display())));
}
display = m_backend->sceneEglDisplayObject();
if (!display) {
return false;
}
m_backend->setEglDisplay(EglDisplay::create(eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_KHR, m_backend->gbmDevice(), nullptr)));
}
auto display = m_backend->sceneEglDisplayObject();
if (!display) {
return false;
}
setEglDisplay(display);
return true;