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/*
* Copyright (C) 2016 Igalia, S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "GLContextEGL.h"
#if USE(EGL) && PLATFORM(WAYLAND)
#include "PlatformDisplayWayland.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 <EGL/egl.h>
namespace WebCore {
GLContextEGL::GLContextEGL(PlatformDisplay& display, EGLContext context, EGLSurface surface, EGLConfig config, WlUniquePtr<struct wl_surface>&& wlSurface, struct wl_egl_window* wlWindow)
: GLContext(display)
, m_context(context)
, m_surface(surface)
, m_config(config)
, m_type(WindowSurface)
, m_wlSurface(WTFMove(wlSurface))
, m_wlWindow(wlWindow)
{
}
EGLSurface GLContextEGL::createWindowSurfaceWayland(EGLDisplay display, EGLConfig config, GLNativeWindowType window)
{
return eglCreateWindowSurface(display, config, reinterpret_cast<EGLNativeWindowType>(window), nullptr);
}
std::unique_ptr<GLContextEGL> GLContextEGL::createWaylandContext(PlatformDisplay& platformDisplay, EGLContext sharingContext)
{
EGLDisplay display = platformDisplay.eglDisplay();
EGLConfig config;
if (!getEGLConfig(display, &config, WindowSurface))
return nullptr;
EGLContext context = createContextForEGLVersion(platformDisplay, config, sharingContext);
if (context == EGL_NO_CONTEXT)
return nullptr;
WlUniquePtr<struct wl_surface> wlSurface(downcast<PlatformDisplayWayland>(platformDisplay).createSurface());
if (!wlSurface) {
eglDestroyContext(display, context);
return nullptr;
}
EGLNativeWindowType window = wl_egl_window_create(wlSurface.get(), 1, 1);
EGLSurface surface = eglCreateWindowSurface(display, config, window, 0);
if (surface == EGL_NO_SURFACE) {
eglDestroyContext(display, context);
wl_egl_window_destroy(window);
return nullptr;
}
return std::unique_ptr<GLContextEGL>(new GLContextEGL(platformDisplay, context, surface, config, WTFMove(wlSurface), window));
}
void GLContextEGL::destroyWaylandWindow()
{
if (m_wlWindow)
wl_egl_window_destroy(m_wlWindow);
}
} // namespace WebCore
#endif // USE(EGL) && PLATFORM(WAYLAND)
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