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/****************************************************************************
**
** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QTest>
#include <Qt3DRenderer/private/shader_p.h>
#include <Qt3DRenderer/qshaderprogram.h>
class tst_RenderShader : public QObject
{
Q_OBJECT
private slots:
void hasCoherentInitialState();
void matchesFrontendPeer();
void cleanupLeavesACoherentState();
};
Qt3DRender::QShaderProgram *createFrontendShader()
{
Qt3DRender::QShaderProgram *shader = new Qt3DRender::QShaderProgram();
shader->setVertexShaderCode(QByteArrayLiteral(
"#version 150"\
"in vec3 vertexPosition;"\
"in vec3 vertexColor; "\
"out vec3 color;"\
"void main()"\
"{"\
" color = vertexColor;"\
" gl_Position = vec4( vertexPosition, 1.0 );"\
"}"));
shader->setFragmentShaderCode(QByteArrayLiteral(
"#version 150"\
"in vec3 color;"\
"out vec4 fragColor;"\
"void main()"\
"{"\
" fragColor = vec4( color, 1.0 );"\
"}"));
return shader;
}
void tst_RenderShader::hasCoherentInitialState()
{
Qt3DRender::Render::Shader *shader = new Qt3DRender::Render::Shader();
QCOMPARE(shader->isLoaded(), false);
QCOMPARE(shader->dna(), 0U);
QVERIFY(shader->uniformsNames().isEmpty());
QVERIFY(shader->attributesNames().isEmpty());
QVERIFY(shader->uniformBlockNames().isEmpty());
QVERIFY(shader->uniforms().isEmpty());
QVERIFY(shader->attributes().isEmpty());
QVERIFY(shader->uniformBlocks().isEmpty());
}
void tst_RenderShader::matchesFrontendPeer()
{
Qt3DRender::QShaderProgram *frontend = createFrontendShader();
Qt3DRender::Render::Shader *backend = new Qt3DRender::Render::Shader();
backend->updateFromPeer(frontend);
QCOMPARE(backend->isLoaded(), false);
QVERIFY(backend->dna() != 0U);
for (int i = Qt3DRender::QShaderProgram::Vertex; i <= Qt3DRender::QShaderProgram::Compute; ++i)
QCOMPARE(backend->shaderCode()[i],
frontend->shaderCode( static_cast<const Qt3DRender::QShaderProgram::ShaderType>(i)));
}
void tst_RenderShader::cleanupLeavesACoherentState()
{
Qt3DRender::QShaderProgram *frontend = createFrontendShader();
Qt3DRender::Render::Shader *shader = new Qt3DRender::Render::Shader();
shader->updateFromPeer(frontend);
shader->cleanup();
QCOMPARE(shader->isLoaded(), false);
QCOMPARE(shader->dna(), 0U);
QVERIFY(shader->uniformsNames().isEmpty());
QVERIFY(shader->attributesNames().isEmpty());
QVERIFY(shader->uniformBlockNames().isEmpty());
QVERIFY(shader->uniforms().isEmpty());
QVERIFY(shader->attributes().isEmpty());
QVERIFY(shader->uniformBlocks().isEmpty());
}
QTEST_APPLESS_MAIN(tst_RenderShader)
#include "tst_shader.moc"
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