Function main

examples/opencl/plotting.cpp:78–166

}

int main(void)
{
    try {

        /*
        * 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, "Plotting Demo");
        wnd.makeCurrent();

        forge::Chart chart(FG_CHART_2D);
        chart.setAxesLimits(FRANGE_START, FRANGE_END, -1.0f, 1.0f);

        /* Create several plot objects which creates the necessary
         * vertex buffer objects to hold the different plot types
         */
        forge::Plot plt0 = chart.plot(DATA_SIZE, forge::f32);                                 //create a default plot
        forge::Plot plt1 = chart.plot(DATA_SIZE, forge::f32, FG_PLOT_LINE, FG_MARKER_NONE);       //or specify a specific plot type
        forge::Plot plt2 = chart.plot(DATA_SIZE, forge::f32, FG_PLOT_LINE, FG_MARKER_TRIANGLE);   //last parameter specifies marker shape
        forge::Plot plt3 = chart.plot(DATA_SIZE, forge::f32, FG_PLOT_SCATTER, FG_MARKER_CROSS);

        /*
         * Set plot colors
         */
        plt0.setColor(FG_RED);
        plt1.setColor(FG_BLUE);
        plt2.setColor(FG_YELLOW);            //use a forge predefined color
        plt3.setColor((forge::Color) 0x257973FF);  //or any hex-valued color
        /*
         * Set plot legends
         */
        plt0.setLegend("Sine");
        plt1.setLegend("Cosine");
        plt2.setLegend("Tangent");
        plt3.setLegend("Log base 10");

        /*
         * Helper function to create a CLGL interop context.
         * This function checks for if the extension is available
         * and creates the context on the appropriate device.
         * Note: context and queue are defined in cl_helpers.h
         */
        context = createCLGLContext(wnd);
        Device device = context.getInfo<CL_CONTEXT_DEVICES>()[0];
        queue = CommandQueue(context, device);

        cl::Buffer sinOut(context, CL_MEM_READ_WRITE, sizeof(float) * DATA_SIZE * 2);
        cl::Buffer cosOut(context, CL_MEM_READ_WRITE, sizeof(float) * DATA_SIZE * 2);
        cl::Buffer tanOut(context, CL_MEM_READ_WRITE, sizeof(float) * DATA_SIZE * 2);
        cl::Buffer logOut(context, CL_MEM_READ_WRITE, sizeof(float) * DATA_SIZE * 2);
        kernel(sinOut, queue, 0);
        kernel(cosOut, queue, 1);
        kernel(tanOut, queue, 2);
        kernel(logOut, queue, 3);

        GfxHandle* handles[4];