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50
51#include "sceneeffect.h"
52
53#include <Qt3DRender/QGraphicsApiFilter>
54#include <Qt3DRender/QShaderProgram>
55#include <QUrl>
56
57QT_BEGIN_NAMESPACE
58
59SceneEffect::SceneEffect(Qt3DCore::QNode *parent)
60 : Qt3DRender::QEffect(parent)
61 , m_gl3Technique(new Qt3DRender::QTechnique())
62 , m_gl2Technique(new Qt3DRender::QTechnique())
63 , m_gl2Pass(new Qt3DRender::QRenderPass())
64 , m_gl3Pass(new Qt3DRender::QRenderPass())
65 , m_passCriterion(new Qt3DRender::QFilterKey(this))
66{
67
68 m_gl3Technique->graphicsApiFilter()->setProfile(Qt3DRender::QGraphicsApiFilter::CoreProfile);
69 m_gl3Technique->graphicsApiFilter()->setApi(Qt3DRender::QGraphicsApiFilter::OpenGL);
70 m_gl3Technique->graphicsApiFilter()->setMajorVersion(3);
71 m_gl3Technique->graphicsApiFilter()->setMinorVersion(1);
72
73 m_gl2Technique->graphicsApiFilter()->setApi(Qt3DRender::QGraphicsApiFilter::OpenGL);
74 m_gl2Technique->graphicsApiFilter()->setMajorVersion(2);
75 m_gl2Technique->graphicsApiFilter()->setMinorVersion(0);
76 m_gl2Technique->graphicsApiFilter()->setProfile(Qt3DRender::QGraphicsApiFilter::NoProfile);
77
78
79 m_passCriterion->setName(QStringLiteral("pass"));
80 m_passCriterion->setValue(QStringLiteral("geometry"));
81
82 Qt3DRender::QShaderProgram *gl3Shader = new Qt3DRender::QShaderProgram();
83 gl3Shader->setVertexShaderCode(Qt3DRender::QShaderProgram::loadSource(sourceUrl: QUrl(QStringLiteral("qrc:/geometry_gl3.vert"))));
84 gl3Shader->setFragmentShaderCode(Qt3DRender::QShaderProgram::loadSource(sourceUrl: QUrl(QStringLiteral("qrc:/geometry_gl3.frag"))));
85
86 m_gl3Pass->addFilterKey(filterKey: m_passCriterion);
87 m_gl3Pass->setShaderProgram(gl3Shader);
88 m_gl3Technique->addRenderPass(pass: m_gl3Pass);
89
90 Qt3DRender::QShaderProgram *gl2Shader = new Qt3DRender::QShaderProgram();
91 gl2Shader->setVertexShaderCode(Qt3DRender::QShaderProgram::loadSource(sourceUrl: QUrl(QStringLiteral("qrc:/geometry_gl2.vert"))));
92 gl2Shader->setFragmentShaderCode(Qt3DRender::QShaderProgram::loadSource(sourceUrl: QUrl(QStringLiteral("qrc:/geometry_gl2.frag"))));
93
94 m_gl2Pass->addFilterKey(filterKey: m_passCriterion);
95 m_gl2Pass->setShaderProgram(gl2Shader);
96 m_gl2Technique->addRenderPass(pass: m_gl2Pass);
97
98 addTechnique(t: m_gl3Technique);
99 addTechnique(t: m_gl2Technique);
100}
101
102QList<Qt3DRender::QFilterKey *> SceneEffect::passCriteria() const
103{
104 return QList<Qt3DRender::QFilterKey *>() << m_passCriterion;
105}
106
107QT_END_NAMESPACE
108

source code of qt3d/tests/manual/deferred-renderer-cpp/sceneeffect.cpp