mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-08-24 14:56:34 -04:00
202 lines
5.7 KiB
C++
202 lines
5.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (C) 2017 F4HKW //
|
|
// for F4EXB / SDRAngel //
|
|
// //
|
|
// OpenGL interface modernization. //
|
|
// //
|
|
// This program is free software; you can redistribute it and/or modify //
|
|
// it under the terms of the GNU General Public License as published by //
|
|
// the Free Software Foundation as version 3 of the License, or //
|
|
// //
|
|
// This program is distributed in the hope that it will be useful, //
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
// GNU General Public License V3 for more details. //
|
|
// //
|
|
// You should have received a copy of the GNU General Public License //
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <QPainter>
|
|
#include <QMouseEvent>
|
|
#include <QOpenGLContext>
|
|
#include <QOpenGLFunctions>
|
|
#include <QSurface>
|
|
#include "atvscreen.h"
|
|
|
|
#include <algorithm>
|
|
#include <QDebug>
|
|
|
|
ATVScreen::ATVScreen(QWidget* parent) :
|
|
QGLWidget(parent), ATVScreenInterface(), m_objMutex(QMutex::NonRecursive)
|
|
{
|
|
setAttribute(Qt::WA_OpaquePaintEvent);
|
|
connect(&m_objTimer, SIGNAL(timeout()), this, SLOT(tick()));
|
|
m_objTimer.start(40); // capped at 25 FPS
|
|
|
|
m_chrLastData = NULL;
|
|
m_blnConfigChanged = false;
|
|
m_blnDataChanged = false;
|
|
m_blnGLContextInitialized = false;
|
|
|
|
//Par défaut
|
|
m_intAskedCols = ATV_COLS;
|
|
m_intAskedRows = ATV_ROWS;
|
|
}
|
|
|
|
ATVScreen::~ATVScreen()
|
|
{
|
|
cleanup();
|
|
}
|
|
|
|
QRgb* ATVScreen::getRowBuffer(int intRow)
|
|
{
|
|
if (m_blnGLContextInitialized == false)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
return m_objGLShaderArray.GetRowBuffer(intRow);
|
|
}
|
|
|
|
void ATVScreen::renderImage(unsigned char * objData)
|
|
{
|
|
m_chrLastData = objData;
|
|
m_blnDataChanged = true;
|
|
if (m_blnRenderImmediate) update();
|
|
}
|
|
|
|
void ATVScreen::resetImage()
|
|
{
|
|
m_objGLShaderArray.ResetPixels();
|
|
}
|
|
|
|
void ATVScreen::resizeATVScreen(int intCols, int intRows)
|
|
{
|
|
m_intAskedCols = intCols;
|
|
m_intAskedRows = intRows;
|
|
}
|
|
|
|
void ATVScreen::initializeGL()
|
|
{
|
|
m_objMutex.lock();
|
|
|
|
QOpenGLContext *objGlCurrentContext = QOpenGLContext::currentContext();
|
|
|
|
if (objGlCurrentContext)
|
|
{
|
|
if (QOpenGLContext::currentContext()->isValid())
|
|
{
|
|
qDebug() << "ATVScreen::initializeGL: context:"
|
|
<< " major: " << (QOpenGLContext::currentContext()->format()).majorVersion()
|
|
<< " minor: " << (QOpenGLContext::currentContext()->format()).minorVersion()
|
|
<< " ES: " << (QOpenGLContext::currentContext()->isOpenGLES() ? "yes" : "no");
|
|
}
|
|
else
|
|
{
|
|
qDebug() << "ATVScreen::initializeGL: current context is invalid";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
qCritical() << "ATVScreen::initializeGL: no current context";
|
|
return;
|
|
}
|
|
|
|
QSurface *objSurface = objGlCurrentContext->surface();
|
|
|
|
if (objSurface == NULL)
|
|
{
|
|
qCritical() << "ATVScreen::initializeGL: no surface attached";
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
if (objSurface->surfaceType() != QSurface::OpenGLSurface)
|
|
{
|
|
qCritical() << "ATVScreen::initializeGL: surface is not an OpenGLSurface: "
|
|
<< objSurface->surfaceType()
|
|
<< " cannot use an OpenGL context";
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
qDebug() << "ATVScreen::initializeGL: OpenGL surface:"
|
|
<< " class: " << (objSurface->surfaceClass() == QSurface::Window ? "Window" : "Offscreen");
|
|
}
|
|
}
|
|
|
|
connect(objGlCurrentContext, &QOpenGLContext::aboutToBeDestroyed, this,
|
|
&ATVScreen::cleanup); // TODO: when migrating to QOpenGLWidget
|
|
|
|
m_blnGLContextInitialized = true;
|
|
|
|
m_objMutex.unlock();
|
|
}
|
|
|
|
void ATVScreen::resizeGL(int intWidth, int intHeight)
|
|
{
|
|
QOpenGLFunctions *ptrF = QOpenGLContext::currentContext()->functions();
|
|
ptrF->glViewport(0, 0, intWidth, intHeight);
|
|
m_blnConfigChanged = true;
|
|
}
|
|
|
|
void ATVScreen::paintGL()
|
|
{
|
|
if (!m_objMutex.tryLock(2))
|
|
return;
|
|
|
|
m_blnDataChanged = false;
|
|
|
|
if ((m_intAskedCols != 0) && (m_intAskedRows != 0))
|
|
{
|
|
m_objGLShaderArray.InitializeGL(m_intAskedCols, m_intAskedRows);
|
|
m_intAskedCols = 0;
|
|
m_intAskedRows = 0;
|
|
}
|
|
|
|
m_objGLShaderArray.RenderPixels(m_chrLastData);
|
|
|
|
m_objMutex.unlock();
|
|
}
|
|
|
|
void ATVScreen::mousePressEvent(QMouseEvent* event __attribute__((unused)))
|
|
{
|
|
}
|
|
|
|
void ATVScreen::tick()
|
|
{
|
|
if (m_blnDataChanged) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
void ATVScreen::cleanup()
|
|
{
|
|
if (m_blnGLContextInitialized)
|
|
{
|
|
m_objGLShaderArray.Cleanup();
|
|
}
|
|
}
|
|
|
|
bool ATVScreen::selectRow(int intLine)
|
|
{
|
|
if (m_blnGLContextInitialized)
|
|
{
|
|
return m_objGLShaderArray.SelectRow(intLine);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ATVScreen::setDataColor(int intCol, int intRed, int intGreen, int intBlue)
|
|
{
|
|
if (m_blnGLContextInitialized)
|
|
{
|
|
return m_objGLShaderArray.SetDataColor(intCol,
|
|
qRgb(intRed, intGreen, intBlue));
|
|
}
|
|
|
|
return false;
|
|
}
|