Function main

examples/opencl/surface.cpp:101–156

}

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(1024, 768, "3d Surface Demo");
        wnd.makeCurrent();

        forge::Chart chart(FG_CHART_3D);
        chart.setAxesLimits(-10.f, 10.f, -10.f, 10.f, -0.5f, 1.f);
        chart.setAxesTitles("x-axis", "y-axis", "z-axis");

        forge::Surface surf = chart.surface(XSIZE, YSIZE, forge::f32);
        surf.setColor(FG_YELLOW);

        /*
         * 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 devOut(context, CL_MEM_READ_WRITE, sizeof(float) * XSIZE * YSIZE * 3);

        kernel(devOut, queue, device);

        GfxHandle* handle;
        createGLBuffer(&handle, surf.vertices(), FORGE_VERTEX_BUFFER);
        /* copy your data into the pixel buffer object exposed by
         * forge::Surface class and then proceed to rendering.
         * To help the users with copying the data from compute
         * memory to display memory, Forge provides copy headers
         * along with the library to help with this task
         */
        copyToGLBuffer(handle, (ComputeResourceHandle)devOut(), surf.verticesSize());

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

        releaseGLBuffer(handle);
    }catch (forge::Error err) {
        std::cout << err.what() << "(" << err.err() << ")" << std::endl;
    } catch (cl::Error err) {
        std::cout << err.what() << "(" << err.err() << ")" << std::endl;
    }

    return 0;
}