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Add support for EGL_EXT_platform_wayland

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This commit is contained in:
Fredrik Höglund 2014-07-22 17:16:54 +02:00
parent c9e2f36802
commit 078d5ac5b5
2 changed files with 29 additions and 2 deletions
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30
egl_wayland_backend.cpp
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@ -79,7 +79,29 @@ EglWaylandBackend::~EglWaylandBackend()
bool EglWaylandBackend::initializeEgl()
{
m_display = eglGetDisplay(m_wayland->display());
// Get the list of client extensions
const QByteArray clientExtensionString = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
if (clientExtensionString.isEmpty()) {
// If eglQueryString() returned NULL, the implementation doesn't support
// EGL_EXT_client_extensions. Expect an EGL_BAD_DISPLAY error.
(void) eglGetError();
}
const QList<QByteArray> clientExtensions = clientExtensionString.split(' ');
// Use eglGetPlatformDisplayEXT() to get the display pointer
// if the implementation supports it.
m_havePlatformBase = clientExtensions.contains("EGL_EXT_platform_base");
if (m_havePlatformBase) {
// Make sure that the wayland platform is supported
if (!clientExtensions.contains("EGL_EXT_platform_wayland"))
return false;
m_display = eglGetPlatformDisplayEXT(EGL_PLATFORM_WAYLAND_EXT, m_wayland->display(), nullptr);
} else {
m_display = eglGetDisplay(m_wayland->display());
}
if (m_display == EGL_NO_DISPLAY)
return false;
@ -180,7 +202,11 @@ bool EglWaylandBackend::initRenderingContext()
return false;
}
m_surface = eglCreateWindowSurface(m_display, m_config, m_overlay, NULL);
if (m_havePlatformBase)
m_surface = eglCreatePlatformWindowSurfaceEXT(m_display, m_config, (void *) m_overlay, nullptr);
else
m_surface = eglCreateWindowSurface(m_display, m_config, m_overlay, nullptr);
if (m_surface == EGL_NO_SURFACE) {
qCritical() << "Create Window Surface failed";
return false;

1
egl_wayland_backend.h
View file

@ -92,6 +92,7 @@ private:
wl_egl_window *m_overlay;
QScopedPointer<Xcb::Shm> m_shm;
bool m_lastFrameRendered;
bool m_havePlatformBase;
friend class EglWaylandTexture;
};