| /**************************************************************************** |
| ** |
| ** 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 "gl_ozone_egl_qt.h" |
| #include "gl_context_qt.h" |
| #include "gl_surface_egl_qt.h" |
| #include "base/files/file_path.h" |
| #include "base/native_library.h" |
| #include "gl_context_qt.h" |
| #include "gl_ozone_egl_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> |
| |
| #include <QtGui/qtgui-config.h> // for QT_NO_OPENGL |
| |
| #ifndef QT_NO_OPENGL |
| #include <QOpenGLContext> |
| QT_BEGIN_NAMESPACE |
| Q_GUI_EXPORT QOpenGLContext *qt_gl_global_share_context(); |
| QT_END_NAMESPACE |
| #endif |
| |
| namespace ui { |
| |
| 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 GLOzoneEGLQt::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; |
| } |
| |
| bool GLOzoneEGLQt::InitializeGLOneOffPlatform() |
| { |
| if (!gl::GLSurfaceEGLQt::InitializeOneOff()) { |
| LOG(ERROR) << "GLOzoneEGLQt::InitializeOneOff failed."; |
| return false; |
| } |
| return true; |
| } |
| |
| bool GLOzoneEGLQt::InitializeExtensionSettingsOneOffPlatform() |
| { |
| return gl::GLSurfaceEGLQt::InitializeExtensionSettingsOneOff(); |
| } |
| |
| scoped_refptr<gl::GLSurface> GLOzoneEGLQt::CreateViewGLSurface(gfx::AcceleratedWidget window) |
| { |
| return nullptr; |
| } |
| |
| scoped_refptr<gl::GLSurface> GLOzoneEGLQt::CreateOffscreenGLSurface(const gfx::Size &size) |
| { |
| scoped_refptr<gl::GLSurface> surface = new gl::GLSurfaceEGLQt(size); |
| if (surface->Initialize(gl::GLSurfaceFormat())) |
| return surface; |
| |
| surface = new gl::GLSurfacelessQtEGL(size); |
| if (surface->Initialize(gl::GLSurfaceFormat())) |
| return surface; |
| |
| LOG(WARNING) << "Failed to create offscreen GL surface"; |
| return nullptr; |
| } |
| |
| intptr_t GLOzoneEGLQt::GetNativeDisplay() |
| { |
| static void *display = GLContextHelper::getNativeDisplay(); |
| |
| if (display) |
| return reinterpret_cast<intptr_t>(display); |
| |
| return reinterpret_cast<intptr_t>(EGL_DEFAULT_DISPLAY); |
| } |
| |
| } // namespace ui |
| |
| #endif // defined(USE_OZONE) |