summaryrefslogtreecommitdiffstats
path: root/src/platformsupport/eglconvenience/qeglplatformcontext.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/platformsupport/eglconvenience/qeglplatformcontext.cpp')
-rw-r--r--src/platformsupport/eglconvenience/qeglplatformcontext.cpp160
1 files changed, 160 insertions, 0 deletions
diff --git a/src/platformsupport/eglconvenience/qeglplatformcontext.cpp b/src/platformsupport/eglconvenience/qeglplatformcontext.cpp
new file mode 100644
index 0000000000..58debb8ba8
--- /dev/null
+++ b/src/platformsupport/eglconvenience/qeglplatformcontext.cpp
@@ -0,0 +1,160 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeglplatformcontext_p.h"
+
+#include "qeglconvenience_p.h"
+
+#include <QtGui/QPlatformWindow>
+
+#include <EGL/egl.h>
+
+QEGLPlatformContext::QEGLPlatformContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display,
+ EGLint eglClientVersion, EGLenum eglApi)
+ : m_eglDisplay(display)
+ , m_eglApi(eglApi)
+ , m_format(format)
+{
+ EGLConfig config = q_configFromGLFormat(display, format, true);
+ m_format = q_glFormatFromConfig(display, config);
+
+ EGLContext shareContext = share ? static_cast<QEGLPlatformContext *>(share)->m_eglContext : 0;
+
+ QVector<EGLint> contextAttrs;
+ contextAttrs.append(EGL_CONTEXT_CLIENT_VERSION);
+ contextAttrs.append(eglClientVersion);
+ contextAttrs.append(EGL_NONE);
+
+ eglBindAPI(m_eglApi);
+ m_eglContext = eglCreateContext(m_eglDisplay, config, shareContext, contextAttrs.constData());
+ if (m_eglContext == EGL_NO_CONTEXT) {
+ qWarning("Could not create the egl context\n");
+ eglTerminate(m_eglDisplay);
+ qFatal("EGL error");
+ }
+}
+
+bool QEGLPlatformContext::makeCurrent(QPlatformSurface *surface)
+{
+#ifdef QEGL_EXTRA_DEBUG
+ qWarning("QEglContext::makeCurrent: %p\n",this);
+#endif
+ eglBindAPI(m_eglApi);
+
+ EGLSurface eglSurface = eglSurfaceForPlatformSurface(surface);
+
+ bool ok = eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_eglContext);
+ if (!ok)
+ qWarning("QEGLPlatformContext::makeCurrent: eglError: %x, this: %p \n", eglGetError(), this);
+#ifdef QEGL_EXTRA_DEBUG
+ static bool showDebug = true;
+ if (showDebug) {
+ showDebug = false;
+ const char *str = (const char*)glGetString(GL_VENDOR);
+ qWarning("Vendor %s\n", str);
+ str = (const char*)glGetString(GL_RENDERER);
+ qWarning("Renderer %s\n", str);
+ str = (const char*)glGetString(GL_VERSION);
+ qWarning("Version %s\n", str);
+
+ str = (const char*)glGetString(GL_SHADING_LANGUAGE_VERSION);
+ qWarning("Extensions %s\n",str);
+
+ str = (const char*)glGetString(GL_EXTENSIONS);
+ qWarning("Extensions %s\n", str);
+
+ }
+#endif
+ return ok;
+}
+
+QEGLPlatformContext::~QEGLPlatformContext()
+{
+#ifdef QEGL_EXTRA_DEBUG
+ qWarning("QEglContext::~QEglContext(): %p\n",this);
+#endif
+ if (m_eglContext != EGL_NO_CONTEXT) {
+ eglDestroyContext(m_eglDisplay, m_eglContext);
+ m_eglContext = EGL_NO_CONTEXT;
+ }
+}
+
+void QEGLPlatformContext::doneCurrent()
+{
+#ifdef QEGL_EXTRA_DEBUG
+ qWarning("QEglContext::doneCurrent:%p\n",this);
+#endif
+ eglBindAPI(m_eglApi);
+ bool ok = eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+ if (!ok)
+ qWarning("QEGLPlatformContext::doneCurrent(): eglError: %d, this: %p \n", eglGetError(), this);
+}
+
+void QEGLPlatformContext::swapBuffers(QPlatformSurface *surface)
+{
+#ifdef QEGL_EXTRA_DEBUG
+ qWarning("QEglContext::swapBuffers:%p\n",this);
+#endif
+ eglBindAPI(m_eglApi);
+ EGLSurface eglSurface = eglSurfaceForPlatformSurface(surface);
+ bool ok = eglSwapBuffers(m_eglDisplay, eglSurface);
+ if (!ok)
+ qWarning("QEGLPlatformContext::swapBuffers(): eglError: %d, this: %p \n", eglGetError(), this);
+}
+
+void (*QEGLPlatformContext::getProcAddress(const QByteArray &procName)) ()
+{
+#ifdef QEGL_EXTRA_DEBUG
+ qWarning("QEglContext::getProcAddress%p\n",this);
+#endif
+ eglBindAPI(m_eglApi);
+ return eglGetProcAddress(procName.constData());
+}
+
+QSurfaceFormat QEGLPlatformContext::format() const
+{
+ return m_format;
+}
+
+EGLContext QEGLPlatformContext::eglContext() const
+{
+ return m_eglContext;
+}