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Diffstat (limited to 'src/core/render/frontend/shaderprogram.cpp')
-rw-r--r-- | src/core/render/frontend/shaderprogram.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/core/render/frontend/shaderprogram.cpp b/src/core/render/frontend/shaderprogram.cpp new file mode 100644 index 000000000..e0ef62d2a --- /dev/null +++ b/src/core/render/frontend/shaderprogram.cpp @@ -0,0 +1,133 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** GNU Lesser General Public License Usage +** 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. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "shaderprogram.h" + +#include <QDebug> +#include <QFile> + +namespace Qt3D { + +ShaderProgram::ShaderProgram(Node *parent) + : Node(parent) + , m_vertexSourceFile() + , m_fragmentSourceFile() + , m_isLoaded(false) +{ +} + +void ShaderProgram::setVertexSourceFile(const QString& vertexSourceFile) +{ + if (vertexSourceFile != m_vertexSourceFile) { + m_vertexSourceFile = vertexSourceFile; + m_isLoaded = false; + emit vertexSourceFileChanged(); + } +} + +QString ShaderProgram::vertexSourceFile() const +{ + return m_vertexSourceFile; +} + +void ShaderProgram::setFragmentSourceFile(const QString& fragmentSourceFile) +{ + if (fragmentSourceFile != m_fragmentSourceFile) { + m_fragmentSourceFile = fragmentSourceFile; + m_isLoaded = false; + emit fragmentSourceFileChanged(); + } +} + +QString ShaderProgram::fragmentSourceFile() const +{ + return m_fragmentSourceFile; +} + +QByteArray ShaderProgram::vertexSourceCode() const +{ + if (!isLoaded()) + return QByteArray(); + + return m_cachedVertexCode; +} + +QByteArray ShaderProgram::fragmentSourceCode() const +{ + if (!isLoaded()) + return QByteArray(); + + return m_cachedFragmentCode; +} + +bool ShaderProgram::isLoaded() const +{ + return m_isLoaded; +} + +void ShaderProgram::load() +{ + if (m_isLoaded) + return; + + m_isLoaded = true; + + QFile f(m_fragmentSourceFile); + if (!f.exists()) { + qWarning() << "couldn't find shader source file:" << m_fragmentSourceFile; + return; + } else { + f.open(QIODevice::ReadOnly); + m_cachedFragmentCode = f.readAll(); + } + + QFile vs(m_vertexSourceFile); + if (!vs.exists()) { + qWarning() << "couldn't find shader source file:" << m_vertexSourceFile; + return; + } else { + vs.open(QIODevice::ReadOnly); + m_cachedVertexCode = vs.readAll(); + } +} + +} // of namespace Qt3D + |