Function main

examples/cpu/fractal.cpp:30–84

int julia(int x, int y, int width, int height);

int main(void)
{
    Bitmap bmp = createBitmap(DIMX, DIMY);

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

    /* create an font object and load necessary font
     * and later pass it on to window object so that
     * it can be used for rendering text
     *
     * NOTE: THIS IS OPTIONAL STEP, BY DEFAULT WINDOW WILL
     * HAVE FONT ALREADY SETUP*/
    forge::Font fnt;
#if defined(OS_WIN)
    fnt.loadSystemFont("Calibri");
#else
    fnt.loadSystemFont("Vera");
#endif
    wnd.setFont(&fnt);

    /* Create an image object which creates the necessary
     * textures and pixel buffer objects to hold the image
     * */
    forge::Image img(DIMX, DIMY, FG_RGBA, forge::u8);
    /* copy your data into the pixel buffer object exposed by
     * forge::Image 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
     */
    kernel(bmp);

    GfxHandle* handle = 0;

    // create GL-CPU interop buffer
    createGLBuffer(&handle, img.pixels(), FORGE_IMAGE_BUFFER);

    // copy the data from compute buffer to graphics buffer
    copyToGLBuffer(handle, (ComputeResourceHandle)bmp.ptr, img.size());

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

    // destroy GL-CPU Interop buffer
    releaseGLBuffer(handle);
    destroyBitmap(bmp);
    return 0;
}

Bitmap createBitmap(unsigned w, unsigned h)
{