Function main

examples/cpu/stream.cpp:69–113

}

int main(void)
{
    /*
     * First Forge call should be a window creation call
     * so that necessary OpenGL context is created for any
     * other forge::* object to be created successfully
     */
    forge::Window wnd(DIMX, DIMY, "3D Vector Field Demo");
    wnd.makeCurrent();

    forge::Chart chart(FG_CHART_3D);
    chart.setAxesLimits(MINIMUM-1.0f, MAXIMUM,
                        MINIMUM-1.0f, MAXIMUM,
                        MINIMUM-1.0f, MAXIMUM);
    chart.setAxesTitles("x-axis", "y-axis", "z-axis");

    int numElems = NELEMS*NELEMS*NELEMS;
    forge::VectorField field = chart.vectorField(numElems, forge::f32);
    field.setColor(0.f, 1.f, 0.f, 1.f);

    std::vector<float> points;
    std::vector<float> colors;
    std::vector<float> dirs;
    generatePoints(points, dirs);
    generateColors(colors);

    GfxHandle* handles[3];
    createGLBuffer(&handles[0], field.vertices(), FORGE_VERTEX_BUFFER);
    createGLBuffer(&handles[1], field.colors(), FORGE_VERTEX_BUFFER);
    createGLBuffer(&handles[2], field.directions(), FORGE_VERTEX_BUFFER);

    copyToGLBuffer(handles[0], (ComputeResourceHandle)points.data(),   field.verticesSize());
    copyToGLBuffer(handles[1], (ComputeResourceHandle)colors.data(),     field.colorsSize());
    copyToGLBuffer(handles[2], (ComputeResourceHandle)dirs.data()  , field.directionsSize());

    do {
        wnd.draw(chart);
    } while(!wnd.close());

    releaseGLBuffer(handles[0]);
    releaseGLBuffer(handles[1]);
    releaseGLBuffer(handles[2]);

    return 0;
}