1 files changed, 118 insertions, 0 deletions
diff --git a/src/core/ozone/gl_ozone_qt.cpp b/src/core/ozone/gl_ozone_qt.cpp
new file mode 100644
index 000000000..81d5ccfa9
--- /dev/null
+++ b/src/core/ozone/gl_ozone_qt.cpp
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#if defined(USE_OZONE)
+
+#include "base/files/file_path.h"
+#include "base/native_library.h"
+#include "gl_context_qt.h"
+#include "ozone/gl_ozone_qt.h"
+#include "ui/gl/gl_context_egl.h"
+#include "ui/gl/gl_implementation.h"
+#include "ui/gl/gl_surface.h"
+#include "ui/gl/init/gl_factory.h"
+#include "ui/gl/init/gl_initializer.h"
+
+
+#include <EGL/egl.h>
+#include <dlfcn.h>
+
+#ifndef QT_NO_OPENGL
+#include <QOpenGLContext>
+Q_GUI_EXPORT QOpenGLContext *qt_gl_global_share_context();
+#endif
+
+namespace QtWebEngineCore {
+
+base::NativeLibrary LoadLibrary(const base::FilePath& filename) {
+    base::NativeLibraryLoadError error;
+    base::NativeLibrary library = base::LoadNativeLibrary(filename, &error);
+    if (!library) {
+        LOG(ERROR) << "Failed to load " << filename.MaybeAsASCII() << ": " << error.ToString();
+        return NULL;
+    }
+    return library;
+}
+
+bool GLOzoneQt::LoadGLES2Bindings(gl::GLImplementation /*implementation*/)
+{
+    base::NativeLibrary eglgles2Library = dlopen(NULL, RTLD_LAZY);
+    if (!eglgles2Library) {
+        LOG(ERROR) << "Failed to open EGL/GLES2 context " << dlerror();
+        return false;
+    }
+
+    gl::GLGetProcAddressProc get_proc_address =
+            reinterpret_cast<gl::GLGetProcAddressProc>(
+                base::GetFunctionPointerFromNativeLibrary(eglgles2Library,
+                                                          "eglGetProcAddress"));
+#ifndef QT_NO_OPENGL
+    if (!get_proc_address) {
+        // QTBUG-63341 most likely libgles2 not linked with libegl -> fallback to qpa
+        if (QOpenGLContext *context = qt_gl_global_share_context()) {
+            get_proc_address = reinterpret_cast<gl::GLGetProcAddressProc>(
+                context->getProcAddress("eglGetProcAddress"));
+        }
+    }
+#endif
+
+    if (!get_proc_address) {
+        LOG(ERROR) << "eglGetProcAddress not found.";
+        base::UnloadNativeLibrary(eglgles2Library);
+        return false;
+    }
+
+    gl::SetGLGetProcAddressProc(get_proc_address);
+    gl::AddGLNativeLibrary(eglgles2Library);
+    return true;
+}
+
+intptr_t GLOzoneQt::GetNativeDisplay()
+{
+    static void *display = GLContextHelper::getNativeDisplay();
+
+    if (display)
+        return reinterpret_cast<intptr_t>(display);
+
+    return reinterpret_cast<intptr_t>(EGL_DEFAULT_DISPLAY);
+}
+
+} // namespace QtWebEngineCore
+
+#endif // defined(USE_OZONE)