Пример #1
0
void sdl2_gl_switch(DisplayChangeListener *dcl,
                    DisplaySurface *new_surface)
{
    struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
    DisplaySurface *old_surface = scon->surface;

    assert(scon->opengl);

    SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
    surface_gl_destroy_texture(scon->gls, scon->surface);

    scon->surface = new_surface;

    if (!new_surface) {
        console_gl_fini_context(scon->gls);
        scon->gls = NULL;
        sdl2_window_destroy(scon);
        return;
    }

    if (!scon->real_window) {
        sdl2_window_create(scon);
        scon->gls = console_gl_init_context();
    } else if (old_surface &&
               ((surface_width(old_surface)  != surface_width(new_surface)) ||
                (surface_height(old_surface) != surface_height(new_surface)))) {
        sdl2_window_resize(scon);
    }

    surface_gl_create_texture(scon->gls, scon->surface);
}
Пример #2
0
void sdl2_2d_switch(DisplayChangeListener *dcl,
                    DisplaySurface *new_surface)
{
    struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
    DisplaySurface *old_surface = scon->surface;
    int format = 0;

    assert(!scon->opengl);

    scon->surface = new_surface;

    if (scon->texture) {
        SDL_DestroyTexture(scon->texture);
        scon->texture = NULL;
    }

    if (!new_surface) {
        sdl2_window_destroy(scon);
        return;
    }

    if (!scon->real_window) {
        sdl2_window_create(scon);
    } else if (old_surface &&
               ((surface_width(old_surface)  != surface_width(new_surface)) ||
                (surface_height(old_surface) != surface_height(new_surface)))) {
        sdl2_window_resize(scon);
    }

    SDL_RenderSetLogicalSize(scon->real_renderer,
                             surface_width(new_surface),
                             surface_height(new_surface));

    switch (surface_format(scon->surface)) {
    case PIXMAN_x1r5g5b5:
        format = SDL_PIXELFORMAT_ARGB1555;
        break;
    case PIXMAN_r5g6b5:
        format = SDL_PIXELFORMAT_RGB565;
        break;
    case PIXMAN_x8r8g8b8:
        format = SDL_PIXELFORMAT_ARGB8888;
        break;
    case PIXMAN_r8g8b8x8:
        format = SDL_PIXELFORMAT_RGBA8888;
        break;
    case PIXMAN_b8g8r8x8:
        format = SDL_PIXELFORMAT_BGRX8888;
        break;
    default:
        g_assert_not_reached();
    }
    scon->texture = SDL_CreateTexture(scon->real_renderer, format,
                                      SDL_TEXTUREACCESS_STREAMING,
                                      surface_width(new_surface),
                                      surface_height(new_surface));
    sdl2_2d_redraw(scon);
}