Exemplo n.º 1
1
bool AnimeGLWidget::initShaders(QOpenGLShaderProgram &program, QString prefix)
{
    if (!program.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/root/Resources/shaders/" + prefix + "_v.glsl"))
    {
        qDebug() << "failed add shader vertex";
        return false;
    }

    if (!program.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/root/Resources/shaders/" + prefix + "_f.glsl"))
    {
        qDebug() << "failed add shader fragment";
        return false;
    }

    if (!program.link())
    {
        qDebug() << "failed link";
        return false;
    }

    if (!program.bind())
    {
        qDebug() << "failed bind";
        return false;
    }
    return true;
}
Exemplo n.º 2
0
void DVWindow::loadShader(QOpenGLShaderProgram& shader, const char* vshader, const char* fshader) {
    /* Load the shaders from the qrc. */
    shader.addShaderFromSourceFile(QOpenGLShader::Vertex, vshader);

    QFile res(fshader);
    res.open(QIODevice::ReadOnly | QIODevice::Text);
    QString fshaderSrc = res.readAll();

    if (!context()->isOpenGLES())
        fshaderSrc.prepend("#version 130\n");

    shader.addShaderFromSourceCode(QOpenGLShader::Fragment, fshaderSrc);

    /* Bind the attribute handles. */
    shader.bindAttributeLocation("vertex", vertex);
    shader.bindAttributeLocation("uv", uv);

    shader.link();

    /* Bind so we set the texture sampler uniform values. */
    shader.bind();

    /* Left image is TEXTURE0. */
    shader.setUniformValue("textureL", 0);
    /* Right image is TEXTURE1. */
    shader.setUniformValue("textureR", 1);
}
Exemplo n.º 3
0
QOpenGLShaderProgram* Viewer::declare_program(int name,
                                      const char* v_shader,
                                      const char* f_shader) const
{
  // workaround constness issues in Qt
  Viewer* viewer = const_cast<Viewer*>(this);

  if(d->shader_programs[name])
  {
    return d->shader_programs[name];
  }

  else
  {

    QOpenGLShaderProgram *program = new QOpenGLShaderProgram(viewer);
    if(!program->addShaderFromSourceFile(QOpenGLShader::Vertex,v_shader))
    {
      std::cerr<<"adding vertex shader FAILED"<<std::endl;
    }
    if(!program->addShaderFromSourceFile(QOpenGLShader::Fragment,f_shader))
    {
      std::cerr<<"adding fragment shader FAILED"<<std::endl;
    }
    if(isOpenGL_4_3())
    {
      if(strcmp(f_shader,":/cgal/Polyhedron_3/resources/shader_flat.f" ) == 0)
      {
        if(!program->addShaderFromSourceFile(QOpenGLShader::Geometry,":/cgal/Polyhedron_3/resources/shader_flat.g" ))
        {
          std::cerr<<"adding geometry shader FAILED"<<std::endl;
        }
      }
      if(strcmp(f_shader,":/cgal/Polyhedron_3/resources/solid_wireframe_shader.f" ) == 0)
      {
        if(!program->addShaderFromSourceFile(QOpenGLShader::Geometry,":/cgal/Polyhedron_3/resources/solid_wireframe_shader.g" ))
        {
          std::cerr<<"adding geometry shader FAILED"<<std::endl;
        }
      }
    }
    program->bindAttributeLocation("colors", 1);
    program->link();
    d->shader_programs[name] = program;
    return program;
  }
}
QOpenGLShaderProgram *
GLView::erstelleShaderProgramAusDateien( QString const & p_filenameVertexShader, QString const & p_filenameFragmentShader ) {

	QOpenGLShaderProgram
	* shaderProgram = new QOpenGLShaderProgram( this );

	if( !shaderProgram ) {

		qWarning( ) << "Shader Programm konnte nicht erzeugt werden.\n";

		return 0;
	}

	if(	!shaderProgram->addShaderFromSourceFile( QOpenGLShader::Vertex, shadersPath + "/" + p_filenameVertexShader ) ){

		shaderProgram->removeAllShaders( );
		delete shaderProgram;
		shaderProgram = 0;
		qWarning( ) << "Vertex Shader konnte nicht geladen oder kompiliert werden.\n";

		return 0;
	}

	if(	!shaderProgram->addShaderFromSourceFile( QOpenGLShader::Fragment, shadersPath + "/" + p_filenameFragmentShader ) ){

		shaderProgram->removeAllShaders( );
		delete shaderProgram;
		shaderProgram = 0;
		qWarning( ) << "Fragment Shader konnte nicht geladen oder kompiliert werden.\n";

		return 0;
	}

	if(	!shaderProgram->link( ) ){

		qWarning( ) << "Shader Programm konnte nicht gelinkt werden.\n";

		return  0;
	}

	 return shaderProgram;
}
Exemplo n.º 5
0
QOpenGLShaderProgram* Scene_item::getShaderProgram(int name, Viewer_interface * viewer) const
{
    switch(name)
    {
    case PROGRAM_WITH_LIGHT:
        if(shader_programs[PROGRAM_WITH_LIGHT])
        {
            return shader_programs[PROGRAM_WITH_LIGHT];
        }

        else
        {

            QOpenGLShaderProgram *program = new QOpenGLShaderProgram(viewer);
            if(!program->addShaderFromSourceFile(QOpenGLShader::Vertex,":/cgal/Polyhedron_3/resources/shader_with_light.v"))
            {
                std::cerr<<"adding vertex shader FAILED"<<std::endl;
            }
            if(!program->addShaderFromSourceFile(QOpenGLShader::Fragment,":/cgal/Polyhedron_3/resources/shader_with_light.f"))
            {
                std::cerr<<"adding fragment shader FAILED"<<std::endl;
            }
            program->link();
            shader_programs[PROGRAM_WITH_LIGHT] = program;
            return program;
        }
        break;
    case PROGRAM_WITHOUT_LIGHT:
        if( shader_programs[PROGRAM_WITHOUT_LIGHT])
        {
            return shader_programs[PROGRAM_WITHOUT_LIGHT];
        }
        else
        {
            QOpenGLShaderProgram *program = new QOpenGLShaderProgram(viewer);
            if(!program->addShaderFromSourceFile(QOpenGLShader::Vertex,":/cgal/Polyhedron_3/resources/shader_without_light.v"))
            {
                std::cerr<<"adding vertex shader FAILED"<<std::endl;
            }
            if(!program->addShaderFromSourceFile(QOpenGLShader::Fragment,":/cgal/Polyhedron_3/resources/shader_without_light.f"))
            {
                std::cerr<<"adding fragment shader FAILED"<<std::endl;
            }
            program->link();
            shader_programs[PROGRAM_WITHOUT_LIGHT] = program;
            return program;
        }
        break;
    case PROGRAM_WITH_TEXTURE:
        if( shader_programs[PROGRAM_WITH_TEXTURE])
        {
            return shader_programs[PROGRAM_WITH_TEXTURE];
        }
        else
        {
            QOpenGLShaderProgram *program = new QOpenGLShaderProgram(viewer);
            if(!program->addShaderFromSourceFile(QOpenGLShader::Vertex,":/cgal/Polyhedron_3/resources/shader_with_texture.v"))
            {
                std::cerr<<"adding vertex shader FAILED"<<std::endl;
            }
            if(!program->addShaderFromSourceFile(QOpenGLShader::Fragment,":/cgal/Polyhedron_3/resources/shader_with_texture.f"))
            {
                std::cerr<<"adding fragment shader FAILED"<<std::endl;
            }
            program->link();
            shader_programs[PROGRAM_WITH_TEXTURE] = program;
            return program;
        }
        break;
    case PROGRAM_WITH_TEXTURED_EDGES:
        if( shader_programs[PROGRAM_WITH_TEXTURED_EDGES])
        {
            return shader_programs[PROGRAM_WITH_TEXTURED_EDGES];
        }
        else
        {
            QOpenGLShaderProgram *program = new QOpenGLShaderProgram(viewer);
            if(!program->addShaderFromSourceFile(QOpenGLShader::Vertex,":/cgal/Polyhedron_3/resources/shader_with_textured_edges.v" ))
            {
                std::cerr<<"adding vertex shader FAILED"<<std::endl;
            }
            if(!program->addShaderFromSourceFile(QOpenGLShader::Fragment,":/cgal/Polyhedron_3/resources/shader_with_textured_edges.f" ))
            {
                std::cerr<<"adding fragment shader FAILED"<<std::endl;
            }
            program->link();
            shader_programs[PROGRAM_WITH_TEXTURED_EDGES] = program;
            return program;

        }
        break;
    case PROGRAM_INSTANCED:
        if( shader_programs[PROGRAM_INSTANCED])
        {
            return shader_programs[PROGRAM_INSTANCED];
        }
        else
        {
            QOpenGLShaderProgram *program = new QOpenGLShaderProgram(viewer);
            if(!program->addShaderFromSourceFile(QOpenGLShader::Vertex,":/cgal/Polyhedron_3/resources/shader_instanced.v" ))
            {
                std::cerr<<"adding vertex shader FAILED"<<std::endl;
            }
            if(!program->addShaderFromSourceFile(QOpenGLShader::Fragment,":/cgal/Polyhedron_3/resources/shader_with_light.f" ))
            {
                std::cerr<<"adding fragment shader FAILED"<<std::endl;
            }
            program->link();
            shader_programs[PROGRAM_INSTANCED] = program;
            return program;

        }
        break;
    case PROGRAM_INSTANCED_WIRE:
        if( shader_programs[PROGRAM_INSTANCED_WIRE])
        {
            return shader_programs[PROGRAM_INSTANCED_WIRE];
        }
        else
        {
            QOpenGLShaderProgram *program = new QOpenGLShaderProgram(viewer);
            if(!program->addShaderFromSourceFile(QOpenGLShader::Vertex,":/cgal/Polyhedron_3/resources/shader_instanced.v" ))
            {
                std::cerr<<"adding vertex shader FAILED"<<std::endl;
            }
            if(!program->addShaderFromSourceFile(QOpenGLShader::Fragment,":/cgal/Polyhedron_3/resources/shader_without_light.f" ))
            {
                std::cerr<<"adding fragment shader FAILED"<<std::endl;
            }
            program->link();
            shader_programs[PROGRAM_INSTANCED_WIRE] = program;
            return program;

        }
        break;
    default:
        std::cerr<<"ERROR : Program not found."<<std::endl;
        return 0;
    }
}