2011-04-27 10:05:43 +00:00
|
|
|
/****************************************************************************
|
|
|
|
**
|
2013-01-02 11:13:29 +00:00
|
|
|
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
|
2012-09-19 12:28:29 +00:00
|
|
|
** Contact: http://www.qt-project.org/legal
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
|
|
|
** This file is part of the QtOpenGL module of the Qt Toolkit.
|
|
|
|
**
|
|
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
2012-09-19 12:28:29 +00:00
|
|
|
** Commercial License Usage
|
|
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
|
|
** accordance with the commercial license agreement provided with the
|
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
|
** a written agreement between you and Digia. For licensing terms and
|
|
|
|
** conditions see http://qt.digia.com/licensing. For further information
|
|
|
|
** use the contact form at http://qt.digia.com/contact-us.
|
|
|
|
**
|
2011-04-27 10:05:43 +00:00
|
|
|
** GNU Lesser General Public License Usage
|
2012-09-19 12:28:29 +00:00
|
|
|
** Alternatively, 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.
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
2012-09-19 12:28:29 +00:00
|
|
|
** In addition, as a special exception, Digia gives you certain additional
|
|
|
|
** rights. These rights are described in the Digia Qt LGPL Exception
|
2011-04-27 10:05:43 +00:00
|
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
|
|
**
|
2011-05-24 09:34:08 +00:00
|
|
|
** GNU General Public License Usage
|
2012-09-19 12:28:29 +00:00
|
|
|
** 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.
|
2011-04-27 10:05:43 +00:00
|
|
|
**
|
2012-01-24 06:17:24 +00:00
|
|
|
**
|
2011-04-27 10:05:43 +00:00
|
|
|
** $QT_END_LICENSE$
|
|
|
|
**
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
#include <QtTest/QtTest>
|
|
|
|
#include <QtOpenGL/qgl.h>
|
|
|
|
#include <QtOpenGL/qglbuffer.h>
|
|
|
|
|
|
|
|
class tst_QGLBuffer : public QObject
|
|
|
|
{
|
|
|
|
Q_OBJECT
|
|
|
|
public:
|
|
|
|
tst_QGLBuffer() {}
|
|
|
|
~tst_QGLBuffer() {}
|
|
|
|
|
|
|
|
private slots:
|
|
|
|
void vertexBuffer_data();
|
|
|
|
void vertexBuffer();
|
|
|
|
void indexBuffer_data();
|
|
|
|
void indexBuffer();
|
|
|
|
void bufferSharing();
|
|
|
|
|
|
|
|
private:
|
|
|
|
void testBuffer(QGLBuffer::Type type);
|
|
|
|
};
|
|
|
|
|
|
|
|
void tst_QGLBuffer::vertexBuffer_data()
|
|
|
|
{
|
|
|
|
QTest::addColumn<int>("usagePattern");
|
|
|
|
|
|
|
|
QTest::newRow("StreamDraw") << int(QGLBuffer::StreamDraw);
|
|
|
|
QTest::newRow("StaticDraw") << int(QGLBuffer::StaticDraw);
|
|
|
|
QTest::newRow("DynamicDraw") << int(QGLBuffer::DynamicDraw);
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGLBuffer::vertexBuffer()
|
|
|
|
{
|
|
|
|
testBuffer(QGLBuffer::VertexBuffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGLBuffer::indexBuffer_data()
|
|
|
|
{
|
|
|
|
vertexBuffer_data();
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGLBuffer::indexBuffer()
|
|
|
|
{
|
|
|
|
testBuffer(QGLBuffer::IndexBuffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGLBuffer::testBuffer(QGLBuffer::Type type)
|
|
|
|
{
|
|
|
|
QFETCH(int, usagePattern);
|
|
|
|
|
|
|
|
QGLWidget w;
|
|
|
|
w.makeCurrent();
|
|
|
|
|
|
|
|
// Create the local object, but not the buffer in the server.
|
|
|
|
QGLBuffer buffer(type);
|
|
|
|
QVERIFY(buffer.usagePattern() == QGLBuffer::StaticDraw);
|
|
|
|
buffer.setUsagePattern(QGLBuffer::UsagePattern(usagePattern));
|
|
|
|
|
|
|
|
// Check the initial state.
|
|
|
|
QVERIFY(buffer.type() == type);
|
|
|
|
QVERIFY(!buffer.isCreated());
|
|
|
|
QVERIFY(buffer.bufferId() == 0);
|
|
|
|
QVERIFY(buffer.usagePattern() == QGLBuffer::UsagePattern(usagePattern));
|
|
|
|
QCOMPARE(buffer.size(), -1);
|
|
|
|
|
|
|
|
// Should not be able to bind it yet because it isn't created.
|
|
|
|
QVERIFY(!buffer.bind());
|
|
|
|
|
|
|
|
// Create the buffer - if this fails, then assume that the
|
|
|
|
// GL implementation does not support buffers at all.
|
|
|
|
if (!buffer.create())
|
2011-10-19 02:53:13 +00:00
|
|
|
QSKIP("Buffers are not supported on this platform");
|
2011-04-27 10:05:43 +00:00
|
|
|
|
|
|
|
// Should now have a buffer id.
|
|
|
|
QVERIFY(buffer.bufferId() != 0);
|
|
|
|
|
|
|
|
// Bind the buffer and upload some data.
|
|
|
|
QVERIFY(buffer.bind());
|
|
|
|
static GLfloat const data[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
|
|
|
|
buffer.allocate(data, sizeof(data));
|
|
|
|
|
|
|
|
// Check the buffer size.
|
|
|
|
QCOMPARE(buffer.size(), int(sizeof(data)));
|
|
|
|
|
|
|
|
// Map the buffer and read back its contents.
|
|
|
|
bool haveMap = false;
|
|
|
|
GLfloat *mapped = reinterpret_cast<GLfloat *>
|
|
|
|
(buffer.map(QGLBuffer::ReadOnly));
|
|
|
|
if (mapped) {
|
|
|
|
for (int index = 0; index < 9; ++index)
|
|
|
|
QCOMPARE(mapped[index], data[index]);
|
|
|
|
buffer.unmap();
|
|
|
|
haveMap = true;
|
|
|
|
} else {
|
|
|
|
qWarning("QGLBuffer::map() is not supported on this platform");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Read back the buffer contents using read().
|
|
|
|
bool haveRead = false;
|
|
|
|
GLfloat readdata[9];
|
|
|
|
if (buffer.read(0, readdata, sizeof(readdata))) {
|
|
|
|
for (int index = 0; index < 9; ++index)
|
|
|
|
QCOMPARE(readdata[index], data[index]);
|
|
|
|
haveRead = true;
|
|
|
|
} else {
|
|
|
|
qWarning("QGLBuffer::read() is not supported on this platform");
|
|
|
|
}
|
|
|
|
|
|
|
|
// Write some different data to a specific location and check it.
|
|
|
|
static GLfloat const diffdata[] = {11, 12, 13};
|
|
|
|
buffer.write(sizeof(GLfloat) * 3, diffdata, sizeof(diffdata));
|
|
|
|
if (haveMap) {
|
|
|
|
mapped = reinterpret_cast<GLfloat *>(buffer.map(QGLBuffer::ReadOnly));
|
|
|
|
QVERIFY(mapped != 0);
|
|
|
|
for (int index = 0; index < 9; ++index) {
|
|
|
|
if (index >= 3 && index <= 5)
|
|
|
|
QCOMPARE(mapped[index], diffdata[index - 3]);
|
|
|
|
else
|
|
|
|
QCOMPARE(mapped[index], data[index]);
|
|
|
|
}
|
|
|
|
buffer.unmap();
|
|
|
|
}
|
|
|
|
if (haveRead) {
|
|
|
|
QVERIFY(buffer.read(0, readdata, sizeof(readdata)));
|
|
|
|
for (int index = 0; index < 9; ++index) {
|
|
|
|
if (index >= 3 && index <= 5)
|
|
|
|
QCOMPARE(readdata[index], diffdata[index - 3]);
|
|
|
|
else
|
|
|
|
QCOMPARE(readdata[index], data[index]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Write to the buffer using the return value from map.
|
|
|
|
if (haveMap) {
|
|
|
|
mapped = reinterpret_cast<GLfloat *>(buffer.map(QGLBuffer::WriteOnly));
|
|
|
|
QVERIFY(mapped != 0);
|
|
|
|
mapped[6] = 14;
|
|
|
|
buffer.unmap();
|
|
|
|
|
|
|
|
mapped = reinterpret_cast<GLfloat *>(buffer.map(QGLBuffer::ReadOnly));
|
|
|
|
QVERIFY(mapped != 0);
|
|
|
|
static GLfloat const diff2data[] = {11, 12, 13, 14};
|
|
|
|
for (int index = 0; index < 9; ++index) {
|
|
|
|
if (index >= 3 && index <= 6)
|
|
|
|
QCOMPARE(mapped[index], diff2data[index - 3]);
|
|
|
|
else
|
|
|
|
QCOMPARE(mapped[index], data[index]);
|
|
|
|
}
|
|
|
|
buffer.unmap();
|
|
|
|
}
|
|
|
|
|
|
|
|
// Resize the buffer.
|
|
|
|
buffer.allocate(sizeof(GLfloat) * 20);
|
|
|
|
QCOMPARE(buffer.size(), int(sizeof(GLfloat) * 20));
|
|
|
|
buffer.allocate(0, sizeof(GLfloat) * 32);
|
|
|
|
QCOMPARE(buffer.size(), int(sizeof(GLfloat) * 32));
|
|
|
|
|
|
|
|
// Release the buffer.
|
|
|
|
buffer.release();
|
|
|
|
}
|
|
|
|
|
|
|
|
void tst_QGLBuffer::bufferSharing()
|
|
|
|
{
|
2013-02-06 21:36:27 +00:00
|
|
|
#if defined(Q_OS_WIN)
|
|
|
|
// Needs investigation on Windows: https://bugreports.qt-project.org/browse/QTBUG-29692
|
|
|
|
QSKIP("Unreproducible timeout on Windows (MSVC/MinGW) CI bots");
|
|
|
|
#endif
|
|
|
|
|
2014-04-10 17:36:52 +00:00
|
|
|
#if defined(Q_OS_QNX)
|
|
|
|
QSKIP("Crashes on QNX when destroying the second QGLWidget (see QTBUG-38275)");
|
|
|
|
#endif
|
|
|
|
|
2011-04-27 10:05:43 +00:00
|
|
|
QGLWidget *w1 = new QGLWidget();
|
|
|
|
w1->makeCurrent();
|
|
|
|
|
|
|
|
QGLWidget *w2 = new QGLWidget(0, w1);
|
|
|
|
if (!w2->isSharing()) {
|
|
|
|
delete w2;
|
|
|
|
delete w1;
|
2011-10-19 02:53:13 +00:00
|
|
|
QSKIP("Context sharing is not supported on this platform");
|
2011-04-27 10:05:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Bind the buffer in the first context and write some data to it.
|
|
|
|
QGLBuffer buffer(QGLBuffer::VertexBuffer);
|
|
|
|
if (!buffer.create())
|
2011-10-19 02:53:13 +00:00
|
|
|
QSKIP("Buffers are not supported on this platform");
|
2011-04-27 10:05:43 +00:00
|
|
|
QVERIFY(buffer.isCreated());
|
|
|
|
QVERIFY(buffer.bind());
|
|
|
|
static GLfloat const data[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
|
|
|
|
buffer.allocate(data, sizeof(data));
|
|
|
|
QCOMPARE(buffer.size(), int(sizeof(data)));
|
|
|
|
buffer.release();
|
|
|
|
|
|
|
|
// Bind the buffer in the second context and read back the data.
|
|
|
|
w2->makeCurrent();
|
|
|
|
QVERIFY(buffer.bind());
|
|
|
|
QCOMPARE(buffer.size(), int(sizeof(data)));
|
|
|
|
GLfloat readdata[9];
|
|
|
|
if (buffer.read(0, readdata, sizeof(readdata))) {
|
|
|
|
for (int index = 0; index < 9; ++index)
|
|
|
|
QCOMPARE(readdata[index], data[index]);
|
|
|
|
}
|
|
|
|
buffer.release();
|
|
|
|
|
|
|
|
// Delete the first context.
|
|
|
|
delete w1;
|
|
|
|
|
|
|
|
// Make the second context current again because deleting the first
|
|
|
|
// one will call doneCurrent() even though it wasn't current!
|
|
|
|
w2->makeCurrent();
|
|
|
|
|
|
|
|
// The buffer should still be valid in the second context.
|
|
|
|
QVERIFY(buffer.bufferId() != 0);
|
|
|
|
QVERIFY(buffer.isCreated());
|
|
|
|
QVERIFY(buffer.bind());
|
|
|
|
QCOMPARE(buffer.size(), int(sizeof(data)));
|
|
|
|
buffer.release();
|
|
|
|
|
|
|
|
// Delete the second context.
|
|
|
|
delete w2;
|
|
|
|
|
|
|
|
// The buffer should now be invalid.
|
|
|
|
QVERIFY(buffer.bufferId() == 0);
|
|
|
|
QVERIFY(!buffer.isCreated());
|
|
|
|
}
|
|
|
|
|
|
|
|
QTEST_MAIN(tst_QGLBuffer)
|
|
|
|
|
|
|
|
#include "tst_qglbuffer.moc"
|