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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qdirectfbglcontext.h"
#include <directfbgl.h>
#include <dlfcn.h>
#include <QDebug>
QT_BEGIN_NAMESPACE
QDirectFbGLContext::QDirectFbGLContext(IDirectFBGL *glContext)
: m_dfbGlContext(glContext)
{
DFBResult result;
DFBGLAttributes glAttribs;
result = m_dfbGlContext->GetAttributes(glContext, &glAttribs);
if (result == DFB_OK) {
m_windowFormat.setDepthBufferSize(glAttribs.depth_size);
m_windowFormat.setStencilBufferSize(glAttribs.stencil_size);
m_windowFormat.setRedBufferSize(glAttribs.red_size);
m_windowFormat.setGreenBufferSize(glAttribs.green_size);
m_windowFormat.setBlueBufferSize(glAttribs.blue_size);
m_windowFormat.setAlphaBufferSize(glAttribs.alpha_size);
m_windowFormat.setAccumBufferSize(glAttribs.accum_red_size);
m_windowFormat.setAlpha(glAttribs.accum_alpha_size);
m_windowFormat.setDoubleBuffer(glAttribs.double_buffer);
m_windowFormat.setStereo(glAttribs.stereo);
}
}
void QDirectFbGLContext::makeCurrent()
{
QPlatformOpenGLContext::makeCurrent();
m_dfbGlContext->Lock(m_dfbGlContext);
}
void QDirectFbGLContext::doneCurrent()
{
QPlatformOpenGLContext::doneCurrent();
m_dfbGlContext->Unlock(m_dfbGlContext);
}
QFunctionPointer QDirectFbGLContext::getProcAddress(const char *procName)
{
void *proc;
DFBResult result = m_dfbGlContext->GetProcAddress(m_dfbGlContext, procName, &proc);
if (result == DFB_OK)
return (QFunctionPointer) proc;
return dlsym(RTLD_DEFAULT, procName);
}
void QDirectFbGLContext::swapBuffers()
{
// m_dfbGlContext->Unlock(m_dfbGlContext); //maybe not in doneCurrent()
qDebug("Swap buffers");
}
QPlatformWindowFormat QDirectFbGLContext::platformWindowFormat() const
{
return m_windowFormat;
}
QT_END_NAMESPACE
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