webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 90 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/egl/GLContextEGLWayland.cpp b/Source/WebCore/platform/graphics/egl/GLContextEGLWayland.cpp
new file mode 100644
index 000000000..a0ed56fd9
--- /dev/null
+++ b/Source/WebCore/platform/graphics/egl/GLContextEGLWayland.cpp
@@ -0,0 +1,90 @@
+/*
+ * 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, WlUniquePtr<struct wl_surface>&& wlSurface, struct wl_egl_window* wlWindow)
+    : GLContext(display)
+    , m_context(context)
+    , m_surface(surface)
+    , 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;
+
+    static const EGLint contextAttributes[] = {
+#if USE(OPENGL_ES_2)
+        EGL_CONTEXT_CLIENT_VERSION, 2,
+#endif
+        EGL_NONE
+    };
+
+    EGLContext context = eglCreateContext(display, config, sharingContext, contextAttributes);
+    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, WTFMove(wlSurface), window));
+}
+
+void GLContextEGL::destroyWaylandWindow()
+{
+    if (m_wlWindow)
+        wl_egl_window_destroy(m_wlWindow);
+}
+
+} // namespace WebCore
+
+#endif //  USE(EGL) && PLATFORM(WAYLAND)