1 files changed, 105 insertions, 0 deletions
diff --git a/src/plugins/platforms/kms/qkmsbuffermanager.h b/src/plugins/platforms/kms/qkmsbuffermanager.h
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+++ b/src/plugins/platforms/kms/qkmsbuffermanager.h
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+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QKMSBUFFERMANAGER_H
+#define QKMSBUFFERMANAGER_H
+
+#include <QObject>
+#include <QList>
+
+#define EGL_EGLEXT_PROTOTYPES 1
+#define GL_GLEXT_PROTOTYPES 1
+
+extern "C" {
+#include <gbm.h>
+#include <xf86drmMode.h>
+#include <xf86drm.h>
+}
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+QT_BEGIN_NAMESPACE
+
+class QKmsScreen;
+
+class QKmsFramebuffer
+{
+public:
+    QKmsFramebuffer() : available(true) {}
+    gbm_bo *graphicsBufferObject;
+    GLuint renderBuffer;
+    EGLImageKHR eglImage;
+    quint32 framebufferId;
+    bool available;
+};
+
+
+class QKmsBufferManager
+{
+public:
+    explicit QKmsBufferManager(QKmsScreen *screen);
+    ~QKmsBufferManager();
+    void setupBuffersForMode(const drmModeModeInfo &mode, int numBuffers = 3);
+    GLuint framebufferObject() const { return m_frameBufferObject; }
+    quint32 displayFramebufferId();
+    GLuint renderTargetBuffer();
+    bool nextBuffer();
+
+private:
+    void clearBuffers();
+
+    QKmsScreen *m_screen;
+    QList<QKmsFramebuffer*> m_framebuffers;
+    GLuint m_frameBufferObject;
+    GLuint m_depthAndStencilBufferObject;
+
+    QKmsFramebuffer *m_renderTarget;
+    QKmsFramebuffer *m_displayCanidate;
+    QKmsFramebuffer *m_currentDisplay;
+
+};
+
+QT_END_NAMESPACE
+
+#endif // QKMSBUFFERMANAGER_H