// glx opcode 14 - get visual configs
public VisualConfig [] visual_configs(int screen_no)
{
if (visual_configs_cache [screen_no] != null)
{
return(visual_configs_cache [screen_no]);
}
Request request = new Request(display, major_opcode, 14, 2);
request.write4(screen_no);
Data reply = display.read_reply(request);
int visual_count = reply.read4(8);
int property_count = reply.read4(12);
VisualConfig [] vcs = new VisualConfig [visual_count];
for (int i = 0, offset = 32; i < visual_count; i++)
{
vcs [i] = new VisualConfig(reply, offset, property_count);
offset += vcs [i].Length;
}
visual_configs_cache [screen_no] = vcs;
return(vcs);
}
protected Application(String [] args, int event_mask)
: base(args)
{
this.event_mask = event_mask;
if (help_option) return;
visual_config = new VisualConfig ();
try {
glx = new GLX (display);
} catch (gnu.x11.extension.NotFoundException e) {
throw new gnu.x11.Error ("Failed to initialize: " + e);
}
}
protected Application(String [] args, int event_mask)
: base(args)
{
this.event_mask = event_mask;
if (help_option)
{
return;
}
visual_config = new VisualConfig();
try {
glx = new GLX(display);
} catch (gnu.x11.extension.NotFoundException e) {
throw new gnu.x11.Error("Failed to initialize: " + e);
}
}
/**
* @see <a href="glXChooseVisual.html">glXChooseVisual</a>
*/
public VisualConfig visual_config(int screen_no,
VisualConfig template, bool must)
{
VisualConfig [] vcs = visual_configs(screen_no);
for (int i = 0; i < vcs.Length; i++)
{
if (vcs [i].match(template))
{
return(vcs [i]);
}
}
if (!must)
{
return(null);
}
throw new gnu.x11.Error("No matching: " + template);
}
protected void init_window(int width, int height)
{
visual_config = glx.visual_config(visual_config);
int vid = visual_config.visual_id();
gl = glx.create_context(vid, display.default_screen_no, GL.NONE0);
// FIXME share colormap
Colormap colormap = new Colormap(display.default_root, vid, false);
Window.Attributes attr = new Window.Attributes();
attr.set_colormap(colormap);
// TODO use depth of x visual config instead of
// `visual_config.buffer_size'?
int depth = visual_config.buffer_size();
int more = Event.EXPOSURE_MASK | Event.KEY_PRESS_MASK; // compulsory
/* Bugs? Whenever button motion events are selected, it is required to
* select button press event as well.
*/
if ((event_mask & ANY_BUTTON_MOTION_BITS) != 0)
{
more |= Event.BUTTON_PRESS_MASK;
}
attr.set_event_mask(event_mask | more);
window = new Window(display.default_root, 10, 10, width, height);
window.create(5, depth, Window.INPUT_OUTPUT, vid, attr);
window.set_wm(this, "main");
window.set_wm_delete_window();
gl.make_current(window);
glu = new GLU(gl);
glut = new GLUT(glu);
}
/**
* @see #visual_config(int, VisualConfig, bool)
*/
public VisualConfig visual_config(VisualConfig template)
{
return(visual_config(display.default_screen_no, template, true));
}
// glx opcode 14 - get visual configs
public VisualConfig[] visual_configs(int screen_no)
{
if (visual_configs_cache [screen_no] != null)
return visual_configs_cache [screen_no];
Request request = new Request (display, major_opcode, 14, 2);
request.write4 (screen_no);
Data reply = display.read_reply (request);
int visual_count = reply.read4 (8);
int property_count = reply.read4 (12);
VisualConfig [] vcs = new VisualConfig [visual_count];
for (int i=0, offset=32; i<visual_count; i++) {
vcs [i] = new VisualConfig (reply, offset, property_count);
offset += vcs [i].Length;
}
visual_configs_cache [screen_no] = vcs;
return vcs;
}
/**
* @see <a href="glXChooseVisual.html">glXChooseVisual</a>
*/
public VisualConfig visual_config(int screen_no,
VisualConfig template, bool must)
{
VisualConfig [] vcs = visual_configs (screen_no);
for (int i=0; i<vcs.Length; i++)
if (vcs [i].match (template)) return vcs [i];
if (!must) return null;
throw new gnu.x11.Error ("No matching: " + template);
}
/**
* @see #visual_config(int, VisualConfig, bool)
*/
public VisualConfig visual_config(VisualConfig template)
{
return visual_config (display.default_screen_no, template, true);
}
public bool match(VisualConfig template) // TODO
{
if ((template.bitmask & VISUAL_BIT) != 0 && // exact
template.visual_id() != visual_id())
{
return(false);
}
if ((template.bitmask & CLASS_BIT) != 0 && // exact
template.clazz() != clazz())
{
return(false);
}
if ((template.bitmask & RGBA_BIT) != 0 && // exact
!rgba())
{
return(false);
}
if ((template.bitmask & RED_SIZE_BIT) != 0 && // larger
template.red_size() > red_size())
{
return(false);
}
if ((template.bitmask & GREEN_SIZE_BIT) != 0 && // larger
template.green_size() > green_size())
{
return(false);
}
if ((template.bitmask & BLUE_SIZE_BIT) != 0 && // larger
template.blue_size() > blue_size())
{
return(false);
}
if ((template.bitmask & ALPHA_SIZE_BIT) != 0 && // larger
template.alpha_size() > alpha_size())
{
return(false);
}
if ((template.bitmask & ACCUM_RED_SIZE_BIT) != 0 && // larger
template.accum_red_size() > accum_red_size())
{
return(false);
}
if ((template.bitmask & ACCUM_GREEN_SIZE_BIT) != 0 && // larger
template.accum_green_size() > accum_green_size())
{
return(false);
}
if ((template.bitmask & ACCUM_BLUE_SIZE_BIT) != 0 && // larger
template.accum_blue_size() > accum_blue_size())
{
return(false);
}
if ((template.bitmask & ACCUM_ALPHA_SIZE_BIT) != 0 && // larger
template.accum_alpha_size() > accum_alpha_size())
{
return(false);
}
if ((template.bitmask & DOUBLE_BUFFER_BIT) != 0 && // exact
!double_buffer())
{
return(false);
}
if ((template.bitmask & STERO_BIT) != 0 && // exact
!stero())
{
return(false);
}
if ((template.bitmask & BUFFER_SIZE_BIT) != 0 && // larger
template.buffer_size() > buffer_size())
{
return(false);
}
if ((template.bitmask & DEPTH_SIZE_BIT) != 0 && // larger
template.depth_size() > depth_size())
{
return(false);
}
if ((template.bitmask & STENCIL_SIZE_BIT) != 0 && // larger
template.stencil_size() > stencil_size())
{
return(false);
}
if ((template.bitmask & AUX_BUFFERS_BIT) != 0 && // larger
template.aux_buffers() > aux_buffers())
{
return(false);
}
if ((template.bitmask & LEVEL_BIT) != 0 && // exact
template.level() == level())
{
return(false);
}
return(true);
}
protected void init_window(int width, int height)
{
visual_config = glx.visual_config (visual_config);
int vid = visual_config.visual_id ();
gl = glx.create_context (vid, display.default_screen_no, GL.NONE0);
// FIXME share colormap
Colormap colormap = new Colormap (display.default_root, vid, false);
Window.Attributes attr = new Window.Attributes ();
attr.set_colormap (colormap);
// TODO use depth of x visual config instead of
// `visual_config.buffer_size'?
int depth = visual_config.buffer_size ();
int more = Event.EXPOSURE_MASK | Event.KEY_PRESS_MASK; // compulsory
/* Bugs? Whenever button motion events are selected, it is required to
* select button press event as well.
*/
if ((event_mask & ANY_BUTTON_MOTION_BITS) != 0)
more |= Event.BUTTON_PRESS_MASK;
attr.set_event_mask (event_mask | more);
window = new Window (display.default_root, 10, 10, width, height);
window.create (5, depth, Window.INPUT_OUTPUT, vid, attr);
window.set_wm (this, "main");
window.set_wm_delete_window ();
gl.make_current (window);
glu = new GLU (gl);
glut = new GLUT (glu);
}
public bool match(VisualConfig template)
{
// TODO
if ((template.bitmask & VISUAL_BIT) != 0 // exact
&& template.visual_id () != visual_id ()) return false;
if ((template.bitmask & CLASS_BIT) != 0 // exact
&& template.clazz () != clazz ()) return false;
if ((template.bitmask & RGBA_BIT) != 0 // exact
&& !rgba ()) return false;
if ((template.bitmask & RED_SIZE_BIT) != 0 // larger
&& template.red_size () > red_size ()) return false;
if ((template.bitmask & GREEN_SIZE_BIT) != 0 // larger
&& template.green_size () > green_size ()) return false;
if ((template.bitmask & BLUE_SIZE_BIT) != 0 // larger
&& template.blue_size () > blue_size ()) return false;
if ((template.bitmask & ALPHA_SIZE_BIT) != 0 // larger
&& template.alpha_size () > alpha_size ()) return false;
if ((template.bitmask & ACCUM_RED_SIZE_BIT) != 0 // larger
&& template.accum_red_size () > accum_red_size ()) return false;
if ((template.bitmask & ACCUM_GREEN_SIZE_BIT) != 0 // larger
&& template.accum_green_size () > accum_green_size ()) return false;
if ((template.bitmask & ACCUM_BLUE_SIZE_BIT) != 0 // larger
&& template.accum_blue_size () > accum_blue_size ()) return false;
if ((template.bitmask & ACCUM_ALPHA_SIZE_BIT) != 0 // larger
&& template.accum_alpha_size () > accum_alpha_size ()) return false;
if ((template.bitmask & DOUBLE_BUFFER_BIT) != 0 // exact
&& !double_buffer ()) return false;
if ((template.bitmask & STERO_BIT) != 0 // exact
&& !stero ()) return false;
if ((template.bitmask & BUFFER_SIZE_BIT) != 0 // larger
&& template.buffer_size () > buffer_size ()) return false;
if ((template.bitmask & DEPTH_SIZE_BIT) != 0 // larger
&& template.depth_size () > depth_size ()) return false;
if ((template.bitmask & STENCIL_SIZE_BIT) != 0 // larger
&& template.stencil_size () > stencil_size ()) return false;
if ((template.bitmask & AUX_BUFFERS_BIT) != 0 // larger
&& template.aux_buffers () > aux_buffers ()) return false;
if ((template.bitmask & LEVEL_BIT) != 0 // exact
&& template.level () == level ()) return false;
return true;
}
