From 3dafad59b97532e8e68c0b7abca796f3a9527a6e Mon Sep 17 00:00:00 2001 From: Heikkinen Miikka Date: Fri, 17 May 2013 12:21:40 +0300 Subject: Added datavis3d back under src MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: I209e8b3228b2ce0085c897db6fb2ea78e93afa67 Reviewed-by: Tomi Korpipää --- src/datavis3d/utils/shaderhelper.cpp | 252 +++++++++++++++++++++++++++++++++++ 1 file changed, 252 insertions(+) create mode 100644 src/datavis3d/utils/shaderhelper.cpp (limited to 'src/datavis3d/utils/shaderhelper.cpp') diff --git a/src/datavis3d/utils/shaderhelper.cpp b/src/datavis3d/utils/shaderhelper.cpp new file mode 100644 index 00000000..a66b6a00 --- /dev/null +++ b/src/datavis3d/utils/shaderhelper.cpp @@ -0,0 +1,252 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtDataVis3D module. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 "shaderhelper_p.h" + +#include + +QTCOMMERCIALDATAVIS3D_BEGIN_NAMESPACE + +ShaderHelper::ShaderHelper(QObject *parent, + const QString &vertexShader, + const QString &fragmentShader, + const QString &texture, + const QString &depthTexture) + : m_caller(parent), + m_program(0), + m_vertexShaderFile(vertexShader), + m_fragmentShaderFile(fragmentShader), + m_textureFile(texture), + m_depthTextureFile(depthTexture) +{ +} + +ShaderHelper::~ShaderHelper() +{ + delete m_program; +} + +void ShaderHelper::setShaders(const QString &vertexShader, + const QString &fragmentShader) +{ + m_vertexShaderFile = vertexShader; + m_fragmentShaderFile = fragmentShader; +} + +void ShaderHelper::setTextures(const QString &texture, + const QString &depthTexture) +{ + m_textureFile = texture; + m_depthTextureFile = depthTexture; +} + +void ShaderHelper::initialize() +{ + if (m_program) + delete m_program; + m_program = new QOpenGLShaderProgram(m_caller); + if (!m_program->addShaderFromSourceFile(QOpenGLShader::Vertex, m_vertexShaderFile)) + qFatal("Compiling Vertex shader failed"); + if (!m_program->addShaderFromSourceFile(QOpenGLShader::Fragment, m_fragmentShaderFile)) + qFatal("Compiling Fragment shader failed"); + m_program->link(); + + m_positionAttr = m_program->attributeLocation("vertexPosition_mdl"); + m_normalAttr = m_program->attributeLocation("vertexNormal_mdl"); + m_uvAttr = m_program->attributeLocation("vertexUV"); + + m_mvpMatrixUniform = m_program->uniformLocation("MVP"); + m_viewMatrixUniform = m_program->uniformLocation("V"); + m_modelMatrixUniform = m_program->uniformLocation("M"); + m_invTransModelMatrixUniform = m_program->uniformLocation("itM"); + m_depthMatrixUniform = m_program->uniformLocation("depthMVP"); + m_lightPositionUniform = m_program->uniformLocation("lightPosition_wrld"); + m_lightStrengthUniform = m_program->uniformLocation("lightStrength"); + m_ambientStrengthUniform = m_program->uniformLocation("ambientStrength"); + m_shadowQualityUniform = m_program->uniformLocation("shadowQuality"); + m_colorUniform = m_program->uniformLocation("color_mdl"); + m_textureUniform = m_program->uniformLocation("textureSampler"); + m_shadowUniform = m_program->uniformLocation("shadowMap"); + + m_initialized = true; +} + +void ShaderHelper::bind() +{ + m_program->bind(); +} + +void ShaderHelper::release() +{ + m_program->release(); +} + +void ShaderHelper::setUniformValue(GLuint uniform, const QVector3D &value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, const QVector4D &value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, const QMatrix4x4 &value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, GLfloat value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, GLint value) +{ + m_program->setUniformValue(uniform, value); +} + +GLuint ShaderHelper::MVP() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_mvpMatrixUniform; +} + +GLuint ShaderHelper::view() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_viewMatrixUniform; +} + +GLuint ShaderHelper::model() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_modelMatrixUniform; +} + +GLuint ShaderHelper::nModel() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_invTransModelMatrixUniform; +} + +GLuint ShaderHelper::depth() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_depthMatrixUniform; +} + +GLuint ShaderHelper::lightP() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_lightPositionUniform; +} + +GLuint ShaderHelper::lightS() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_lightStrengthUniform; +} + +GLuint ShaderHelper::ambientS() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_ambientStrengthUniform; +} + +GLuint ShaderHelper::shadowQ() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_shadowQualityUniform; +} + +GLuint ShaderHelper::color() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_colorUniform; +} + +GLuint ShaderHelper::texture() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_textureUniform; +} + +GLuint ShaderHelper::shadow() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_shadowUniform; +} + +GLuint ShaderHelper::posAtt() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_positionAttr; +} + +GLuint ShaderHelper::uvAtt() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_uvAttr; +} + +GLuint ShaderHelper::normalAtt() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_normalAttr; +} + +QTCOMMERCIALDATAVIS3D_END_NAMESPACE -- cgit v1.2.3