pervertextessphongalphamaterial.cpp

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//=============================================================================================================
//=============================================================================================================
// INCLUDES
//=============================================================================================================
 
#include "pervertextessphongalphamaterial.h"
 
//=============================================================================================================
// QT INCLUDES
//=============================================================================================================
 
#include <Qt3DRender/qeffect.h>
#include <Qt3DRender/qtechnique.h>
#include <Qt3DRender/qshaderprogram.h>
#include <Qt3DRender/qparameter.h>
#include <Qt3DRender/qrenderpass.h>
#include <Qt3DRender/qgraphicsapifilter.h>
 
#include <QUrl>
 
//=============================================================================================================
// USED NAMESPACES
//=============================================================================================================
 
using namespace DISP3DLIB;
using namespace Qt3DRender;
 
//=============================================================================================================
// DEFINE MEMBER METHODS
//=============================================================================================================
 
PerVertexTessPhongAlphaMaterial::PerVertexTessPhongAlphaMaterial(bool bUseSortPolicy, QNode *parent)
: AbstractPhongAlphaMaterial(bUseSortPolicy, parent)
, m_pInnerTessParameter(new QParameter("innerTess", 1.0f))
, m_pOuterTessParameter(new QParameter("outerTess", 1.0f))
, m_pTriangleScaleParameter(new QParameter("triangleScale", 1.0f))
, m_pVertexGL4Technique(new QTechnique())
, m_pVertexGL4RenderPass(new QRenderPass())
, m_pVertexGL4Shader(new QShaderProgram())
{
    init();
    setShaderCode();
}
 
//=============================================================================================================
 
void PerVertexTessPhongAlphaMaterial::init()
{
    //Set OpenGL version - This material can only be used with opengl 4.0 or higher since it is using tesselation
    m_pVertexGL4Technique->graphicsApiFilter()->setApi(QGraphicsApiFilter::OpenGL);
    m_pVertexGL4Technique->graphicsApiFilter()->setMajorVersion(4);
    m_pVertexGL4Technique->graphicsApiFilter()->setMinorVersion(0);
    m_pVertexGL4Technique->graphicsApiFilter()->setProfile(QGraphicsApiFilter::CoreProfile);
 
    m_pVertexGL4Technique->addFilterKey(m_pDrawFilterKey);
 
    m_pVertexGL4Technique->addRenderPass(m_pVertexGL4RenderPass);
 
    m_pEffect->addTechnique(m_pVertexGL4Technique);
 
    m_pEffect->addParameter(m_pDiffuseParameter);
    m_pEffect->addParameter(m_pSpecularParameter);
    m_pEffect->addParameter(m_pShininessParameter);
    m_pEffect->addParameter(m_pAlphaParameter);
    m_pEffect->addParameter(m_pInnerTessParameter);
    m_pEffect->addParameter(m_pOuterTessParameter);
    m_pEffect->addParameter(m_pTriangleScaleParameter);
 
    this->setEffect(m_pEffect);
}
 
//=============================================================================================================
 
void PerVertexTessPhongAlphaMaterial::setShaderCode()
{
    m_pVertexGL4Shader->setVertexShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/engine/model/materials/shaders/gl4/pervertextessphongalpha.vert"))));
    m_pVertexGL4Shader->setTessellationControlShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/engine/model/materials/shaders/gl4/pervertextessphongalpha.tcs"))));
    //m_pVertexGL4Shader->setTessellationEvaluationShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/engine/model/materials/shaders/gl4/pervertextessphongalpha_simple.tes"))));
    m_pVertexGL4Shader->setTessellationEvaluationShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/engine/model/materials/shaders/gl4/pervertextessphongalpha_pn_triangles.tes"))));
    m_pVertexGL4Shader->setGeometryShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/engine/model/materials/shaders/gl4/pervertextessphongalpha.geom"))));
    m_pVertexGL4Shader->setFragmentShaderCode(QShaderProgram::loadSource(QUrl(QStringLiteral("qrc:/engine/model/materials/shaders/gl4/pervertextessphongalpha.frag"))));
 
    m_pVertexGL4RenderPass->setShaderProgram(m_pVertexGL4Shader);
}
 
//=============================================================================================================