void gfx_init_x11() {
int f;
XSetWindowAttributes attr;
XSizeHints hints;
Atom WM_DELETE_WINDOW;
XGCValues gcValues;
display = XOpenDisplay(NULL);
screen = DefaultScreen(display);
visual = DefaultVisual(display, screen);
depth = DefaultDepth(display, screen);
create_colormap_lookup_table();
/* hints.flags=PResizeInc|PMinSize|PMaxSize; */
hints.flags = PMinSize;
hints.max_width = 2 * emu_window_width;
hints.max_height = 2 * emu_window_height;
hints.min_width = selected_model->pixel_width;
hints.min_height = selected_model->pixel_height;
hints.width_inc = 16;
hints.height_inc = 16;
attr.background_pixel = cmap24[C_gray]; /* TODO customize */
win = XCreateWindow(display, DefaultRootWindow(display), 0, 0,
emu_window_width + WINDOW_FRAME, emu_window_height + WINDOW_FRAME,
0,
CopyFromParent,
CopyFromParent, CopyFromParent, CWBackPixel, &attr);
WM_DELETE_WINDOW = XInternAtom(display, "WM_DELETE_WINDOW", False);
XSetWMProtocols(display, win, &WM_DELETE_WINDOW, 1);
XSetWMNormalHints(display, win, &hints);
XSetStandardProperties(display, win, selected_model->title,
selected_model->title,
None,
NULL, 0, NULL);
XSelectInput(display, win,
ExposureMask | ButtonPressMask | ButtonReleaseMask
| PropertyChangeMask | KeyPressMask | KeyReleaseMask
| Button1MotionMask | StructureNotifyMask);
gc = XCreateGC(display, win, 0, 0);
gcBackground = XCreateGC(display, win, 0, 0);
gcValues.function = GXor;
gcInvers = XCreateGC(display, win, GCFunction, &gcValues);
XClearWindow(display, win);
for (f = 0; f < ZOOM_MAX; f++) {
krtImage[f] = XCreatePixmap(display, win,
selected_model->pixel_width * (f + 1),
selected_model->pixel_height * (f + 1), depth);
}
generateFonts();
initialized = 1; /* so jetzt läuft unser Main-Thread weiter */
XMapRaised(display, win);
XFlush(display);
handle_event();
gfx_exit();
}
int gfx_init(int mode)
{
struct vbe_info info;
struct vbe_mode_info mode_info;
if (gfx_check_vbe_info(&info) != 0)
return -1;
if (gfx_check_vbe_mode_info(&info, mode, &mode_info) != 0)
return -1;
vga_get_mode(&gfx_saved_vga_mode);
gfx_mode_info.mode = gfx_saved_vga_mode;
if (vbe_set_mode(mode, VBE_LINEAR_FRAMEBUFFER | VBE_CLEAR_DISPLAY_MEMORY) != 0) {
error("Setting VBE mode %Xh failed", mode);
goto failure;
}
gfx_mode_info.mode = mode;
gfx_mode_info.x_resolution = mode_info.x_resolution;
gfx_mode_info.y_resolution = mode_info.y_resolution;
gfx_mode_info.page_size = mode_info.bytes_per_scanline * mode_info.y_resolution;
if (mode_info.phys_base_ptr <= 0xFFFFF) {
error("Unsupported hardware configuration: Framebuffer in real-mode memory "
"(physical base address = %Xh)", mode_info.phys_base_ptr);
goto failure;
}
if (dpmi_map_physical_address(mode_info.phys_base_ptr,
2 * gfx_mode_info.page_size,
&gfx_framebuffer_address) != 0) {
error("Mapping graphics card framebuffer to memory failed");
goto failure;
}
if (vbe_set_display_start(0, 0, VBE_WAIT_FOR_RETRACE) != 0) {
error("Setting display start failed");
goto failure;
}
init_image(&gfx_buffer_1,
gfx_mode_info.x_resolution,
gfx_mode_info.y_resolution,
(uint8_t *) gfx_framebuffer_address);
init_image(&gfx_buffer_2,
gfx_mode_info.x_resolution,
gfx_mode_info.y_resolution,
gfx_buffer_1.data + gfx_mode_info.page_size);
gfx_front_buffer = &gfx_buffer_1;
gfx_back_buffer = &gfx_buffer_2;
gfx_check_refresh_rate();
gfx_reset_clip_rect();
return 0;
failure:
gfx_exit();
return -1;
}
