diff options
Diffstat (limited to 'src/plugins/platforms/kms/qkmsbuffermanager.h')
-rw-r--r-- | src/plugins/platforms/kms/qkmsbuffermanager.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/plugins/platforms/kms/qkmsbuffermanager.h b/src/plugins/platforms/kms/qkmsbuffermanager.h new file mode 100644 index 0000000000..59db7ebeb1 --- /dev/null +++ b/src/plugins/platforms/kms/qkmsbuffermanager.h @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** 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 |