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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 "qeglfsscreen.h"
#include "../eglconvenience/qeglconvenience.h"
#include "../eglconvenience/qeglplatformcontext.h"
#ifdef Q_OPENKODE
#include <KD/kd.h>
#include <KD/NV_initialize.h>
#endif //Q_OPENKODE
QT_BEGIN_NAMESPACE
// #define QEGL_EXTRA_DEBUG
#ifdef QEGL_EXTRA_DEBUG
struct AttrInfo { EGLint attr; const char *name; };
static struct AttrInfo attrs[] = {
{EGL_BUFFER_SIZE, "EGL_BUFFER_SIZE"},
{EGL_ALPHA_SIZE, "EGL_ALPHA_SIZE"},
{EGL_BLUE_SIZE, "EGL_BLUE_SIZE"},
{EGL_GREEN_SIZE, "EGL_GREEN_SIZE"},
{EGL_RED_SIZE, "EGL_RED_SIZE"},
{EGL_DEPTH_SIZE, "EGL_DEPTH_SIZE"},
{EGL_STENCIL_SIZE, "EGL_STENCIL_SIZE"},
{EGL_CONFIG_CAVEAT, "EGL_CONFIG_CAVEAT"},
{EGL_CONFIG_ID, "EGL_CONFIG_ID"},
{EGL_LEVEL, "EGL_LEVEL"},
{EGL_MAX_PBUFFER_HEIGHT, "EGL_MAX_PBUFFER_HEIGHT"},
{EGL_MAX_PBUFFER_PIXELS, "EGL_MAX_PBUFFER_PIXELS"},
{EGL_MAX_PBUFFER_WIDTH, "EGL_MAX_PBUFFER_WIDTH"},
{EGL_NATIVE_RENDERABLE, "EGL_NATIVE_RENDERABLE"},
{EGL_NATIVE_VISUAL_ID, "EGL_NATIVE_VISUAL_ID"},
{EGL_NATIVE_VISUAL_TYPE, "EGL_NATIVE_VISUAL_TYPE"},
{EGL_SAMPLES, "EGL_SAMPLES"},
{EGL_SAMPLE_BUFFERS, "EGL_SAMPLE_BUFFERS"},
{EGL_SURFACE_TYPE, "EGL_SURFACE_TYPE"},
{EGL_TRANSPARENT_TYPE, "EGL_TRANSPARENT_TYPE"},
{EGL_TRANSPARENT_BLUE_VALUE, "EGL_TRANSPARENT_BLUE_VALUE"},
{EGL_TRANSPARENT_GREEN_VALUE, "EGL_TRANSPARENT_GREEN_VALUE"},
{EGL_TRANSPARENT_RED_VALUE, "EGL_TRANSPARENT_RED_VALUE"},
{EGL_BIND_TO_TEXTURE_RGB, "EGL_BIND_TO_TEXTURE_RGB"},
{EGL_BIND_TO_TEXTURE_RGBA, "EGL_BIND_TO_TEXTURE_RGBA"},
{EGL_MIN_SWAP_INTERVAL, "EGL_MIN_SWAP_INTERVAL"},
{EGL_MAX_SWAP_INTERVAL, "EGL_MAX_SWAP_INTERVAL"},
{-1, 0}};
#endif //QEGL_EXTRA_DEBUG
QEglFSScreen::QEglFSScreen(EGLNativeDisplayType display)
: m_depth(32)
, m_format(QImage::Format_Invalid)
, m_platformContext(0)
, m_surface(0)
{
#ifdef QEGL_EXTRA_DEBUG
qWarning("QEglScreen %p\n", this);
#endif
EGLint major, minor;
#ifdef QEGL_EXTRA_DEBUG
EGLint index;
#endif
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
qWarning("Could not bind GL_ES API\n");
qFatal("EGL error");
}
m_dpy = eglGetDisplay(display);
if (m_dpy == EGL_NO_DISPLAY) {
qWarning("Could not open egl display\n");
qFatal("EGL error");
}
qWarning("Opened display %p\n", m_dpy);
if (!eglInitialize(m_dpy, &major, &minor)) {
qWarning("Could not initialize egl display\n");
qFatal("EGL error");
}
qWarning("Initialized display %d %d\n", major, minor);
int swapInterval = 1;
QByteArray swapIntervalString = qgetenv("QT_QPA_EGLFS_SWAPINTERVAL");
if (!swapIntervalString.isEmpty()) {
bool ok;
swapInterval = swapIntervalString.toInt(&ok);
if (!ok)
swapInterval = 1;
}
eglSwapInterval(m_dpy, swapInterval);
}
void QEglFSScreen::createAndSetPlatformContext() const {
const_cast<QEglFSScreen *>(this)->createAndSetPlatformContext();
}
void QEglFSScreen::createAndSetPlatformContext()
{
QPlatformWindowFormat platformFormat = QPlatformWindowFormat::defaultFormat();
platformFormat.setWindowApi(QPlatformWindowFormat::OpenGL);
QByteArray depthString = qgetenv("QT_QPA_EGLFS_DEPTH");
if (depthString.toInt() == 16) {
platformFormat.setDepth(16);
platformFormat.setRedBufferSize(5);
platformFormat.setGreenBufferSize(6);
platformFormat.setBlueBufferSize(5);
m_depth = 16;
m_format = QImage::Format_RGB16;
} else {
platformFormat.setDepth(32);
platformFormat.setRedBufferSize(8);
platformFormat.setGreenBufferSize(8);
platformFormat.setBlueBufferSize(8);
m_depth = 32;
m_format = QImage::Format_RGB32;
}
if (!qgetenv("QT_QPA_EGLFS_MULTISAMPLE").isEmpty()) {
platformFormat.setSampleBuffers(true);
}
EGLConfig config = q_configFromQPlatformWindowFormat(m_dpy, platformFormat);
EGLNativeWindowType eglWindow = 0;
#ifdef Q_OPENKODE
if (kdInitializeNV() == KD_ENOTINITIALIZED) {
qFatal("Did not manage to initialize openkode");
}
KDWindow *window = kdCreateWindow(m_dpy,config,0);
kdRealizeWindow(window,&eglWindow);
#endif
m_surface = eglCreateWindowSurface(m_dpy, config, eglWindow, NULL);
if (m_surface == EGL_NO_SURFACE) {
qWarning("Could not create the egl surface: error = 0x%x\n", eglGetError());
eglTerminate(m_dpy);
qFatal("EGL error");
}
// qWarning("Created surface %dx%d\n", w, h);
#ifdef QEGL_EXTRA_DEBUG
qWarning("Configuration %d matches requirements\n", (int)config);
for (index = 0; attrs[index].attr != -1; ++index) {
EGLint value;
if (eglGetConfigAttrib(m_dpy, config, attrs[index].attr, &value)) {
qWarning("\t%s: %d\n", attrs[index].name, (int)value);
}
}
qWarning("\n");
#endif
EGLint temp;
EGLint attribList[32];
temp = 0;
attribList[temp++] = EGL_CONTEXT_CLIENT_VERSION;
attribList[temp++] = 2; // GLES version 2
attribList[temp++] = EGL_NONE;
QEGLPlatformContext *platformContext = new QEGLPlatformContext(m_dpy,config,attribList,m_surface,EGL_OPENGL_ES_API);
m_platformContext = platformContext;
EGLint w,h; // screen size detection
eglQuerySurface(m_dpy, m_surface, EGL_WIDTH, &w);
eglQuerySurface(m_dpy, m_surface, EGL_HEIGHT, &h);
m_geometry = QRect(0,0,w,h);
}
QRect QEglFSScreen::geometry() const
{
if (m_geometry.isNull()) {
createAndSetPlatformContext();
}
return m_geometry;
}
int QEglFSScreen::depth() const
{
return m_depth;
}
QImage::Format QEglFSScreen::format() const
{
if (m_format == QImage::Format_Invalid)
createAndSetPlatformContext();
return m_format;
}
QPlatformGLContext *QEglFSScreen::platformContext() const
{
if (!m_platformContext) {
QEglFSScreen *that = const_cast<QEglFSScreen *>(this);
that->createAndSetPlatformContext();
}
return m_platformContext;
}
QT_END_NAMESPACE
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