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/*
* Copyright (C) 2024 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Display.h"
#if PLATFORM(WAYLAND)
#include <WebCore/GLContext.h>
#include <WebCore/GLDisplay.h>
#include <gtk/gtk.h>
// These includes need to be in this order because wayland-egl.h defines WL_EGL_PLATFORM
// and egl.h checks that to decide whether it's Wayland platform.
#include <wayland-egl.h>
#include <epoxy/egl.h>
#if USE(GTK4)
#include <gdk/wayland/gdkwayland.h>
#else
#include <gdk/gdkwayland.h>
#endif
namespace WebKit {
using namespace WebCore;
bool Display::isWayland() const
{
return GDK_IS_WAYLAND_DISPLAY(m_gdkDisplay.get());
}
bool Display::initializeGLDisplayWayland() const
{
if (!isWayland())
return false;
#if USE(GTK4)
m_glDisplay = GLDisplay::create(gdk_wayland_display_get_egl_display(m_gdkDisplay.get()));
#else
auto* window = gtk_window_new(GTK_WINDOW_POPUP);
gtk_widget_realize(window);
if (auto context = adoptGRef(gdk_window_create_gl_context(gtk_widget_get_window(window), nullptr))) {
gdk_gl_context_make_current(context.get());
m_glDisplay = GLDisplay::create(eglGetCurrentDisplay());
}
gtk_widget_destroy(window);
#endif
if (m_glDisplay)
return true;
auto* wlDisplay = gdk_wayland_display_get_wl_display(m_gdkDisplay.get());
const char* extensions = eglQueryString(nullptr, EGL_EXTENSIONS);
if (GLContext::isExtensionSupported(extensions, "EGL_KHR_platform_base"))
m_glDisplay = GLDisplay::create(eglGetPlatformDisplay(EGL_PLATFORM_WAYLAND_KHR, wlDisplay, nullptr));
if (!m_glDisplay && GLContext::isExtensionSupported(extensions, "EGL_EXT_platform_base"))
m_glDisplay = GLDisplay::create(eglGetPlatformDisplayEXT(EGL_PLATFORM_WAYLAND_EXT, wlDisplay, nullptr));
if (!m_glDisplay)
m_glDisplay = GLDisplay::create(eglGetDisplay(wlDisplay));
if (m_glDisplay) {
m_glDisplayOwned = true;
return true;
}
return false;
}
} // namespace WebKit
#endif // PLATFORM(WAYLAND)
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