GUI::RealSpace::Buffer Class Reference

Description

GL buffer.

Definition at line 28 of file buffer.h.

Inheritance diagram for GUI::RealSpace::Buffer:

Collaboration diagram for GUI::RealSpace::Buffer:

Public Member Functions
	Buffer (Geometry const &)
void	draw ()

Private Attributes
QOpenGLBuffer	m_glBuffer
QOpenGLVertexArrayObject	m_vao
int	m_vertexCount

Constructor & Destructor Documentation

Buffer()

GUI::RealSpace::Buffer::Buffer

(

Geometry const &

geometry

)

Definition at line 27 of file buffer.cpp.

{
    initializeOpenGLFunctions();
 
    const auto& mesh = geometry.m_mesh;
    m_vertexCount = mesh.count();
 
    QOpenGLVertexArrayObject::Binder dummy(&m_vao);
 
    m_glBuffer.create();
    m_glBuffer.bind();
    m_glBuffer.allocate(mesh.constData(), m_vertexCount * int(sizeof(Geometry::Vert_Normal)));
 
    glEnableVertexAttribArray(0); // vertices
    glEnableVertexAttribArray(1); // normals
 
    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 2 * sizeof(Vector3D), nullptr);
    glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 2 * sizeof(Vector3D),
                          reinterpret_cast<void*>(sizeof(Vector3D)));
}

References m_glBuffer, GUI::RealSpace::Geometry::m_mesh, m_vao, and m_vertexCount.

Member Function Documentation

draw()

void GUI::RealSpace::Buffer::draw

(

)

Definition at line 48 of file buffer.cpp.

{
    QOpenGLVertexArrayObject::Binder dummy(&m_vao);
    glDrawArrays(GL_TRIANGLES, 0, m_vertexCount);
}

References m_vao, and m_vertexCount.

Referenced by GUI::RealSpace::Canvas::draw().

Member Data Documentation

m_glBuffer

QOpenGLBuffer GUI::RealSpace::Buffer::m_glBuffer

private

Definition at line 36 of file buffer.h.

Referenced by Buffer().

m_vao

QOpenGLVertexArrayObject GUI::RealSpace::Buffer::m_vao

private

Definition at line 35 of file buffer.h.

Referenced by Buffer(), and draw().

m_vertexCount

int GUI::RealSpace::Buffer::m_vertexCount

private

Definition at line 34 of file buffer.h.

Referenced by Buffer(), and draw().

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The documentation for this class was generated from the following files:

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/ba3d/view/buffer.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/ba3d/view/buffer.cpp