static void
_glitz_agl_add_format (glitz_agl_thread_info_t *thread_info,
glitz_int_drawable_format_t *format,
AGLPixelFormat pixel_format)
{
if (!glitz_drawable_format_find (thread_info->formats,
thread_info->n_formats,
GLITZ_DRAWABLE_FORMAT_ALL_EXCEPT_ID_MASK,
format, 0)) {
int n = thread_info->n_formats;
thread_info->formats =
realloc (thread_info->formats,
sizeof (glitz_int_drawable_format_t) * (n + 1));
thread_info->pixel_formats =
realloc (thread_info->pixel_formats,
sizeof (AGLPixelFormat) * (n + 1));
if (thread_info->formats && thread_info->pixel_formats) {
thread_info->formats[n] = *(glitz_int_drawable_format_t*)format;
thread_info->formats[n].d.id = n;
thread_info->pixel_formats[n] = pixel_format;
thread_info->n_formats++;
}
}
}
glitz_drawable_format_t *
glitz_agl_find_pbuffer_format (unsigned long mask,
const glitz_drawable_format_t *templ,
int count)
{
glitz_int_drawable_format_t itempl;
glitz_agl_thread_info_t *thread_info =
glitz_agl_thread_info_get ();
glitz_drawable_format_copy (templ, &itempl.d, mask);
itempl.types = GLITZ_DRAWABLE_TYPE_PBUFFER_MASK;
mask |= GLITZ_INT_FORMAT_PBUFFER_MASK;
return glitz_drawable_format_find (thread_info->formats,
thread_info->n_formats,
mask, &itempl, count);
}
glitz_drawable_format_t *
glitz_wgl_find_window_format (unsigned long mask,
const glitz_drawable_format_t *templ,
int count)
{
glitz_int_drawable_format_t itempl;
glitz_wgl_screen_info_t *screen_info =
glitz_wgl_screen_info_get ();
glitz_drawable_format_copy (templ, &itempl.d, mask);
itempl.types = GLITZ_DRAWABLE_TYPE_WINDOW_MASK;
mask |= GLITZ_INT_FORMAT_WINDOW_MASK;
return glitz_drawable_format_find (screen_info->formats,
screen_info->n_formats,
mask, &itempl, count);
}
/**
* glitz_glx_find_pbuffer_format:
* @display: an X Display
* @screen: X Screen number where the window will be displayed
* @mask: Format mask value
* @templ: Format template which is be used in matching the drawable format
* @count: Index number of found matching drawable format
*
* This function return the drawable format for a pixel buffer object that best
* meets template format. The sort order of founds format follow GLX 1.3
* specification, you can safely choose the first format found (0).
*
* Return value: The @count index format drawable which matches template or nil
* if no format matches.
**/
glitz_drawable_format_t *
glitz_glx_find_pbuffer_format (Display *display,
int screen,
unsigned long mask,
const glitz_drawable_format_t *templ,
int count)
{
glitz_int_drawable_format_t itempl;
glitz_glx_screen_info_t *screen_info =
glitz_glx_screen_info_get (display, screen);
glitz_drawable_format_copy (templ, &itempl.d, mask);
itempl.types = GLITZ_DRAWABLE_TYPE_PBUFFER_MASK;
mask |= GLITZ_INT_FORMAT_PBUFFER_MASK;
return glitz_drawable_format_find (screen_info->formats,
screen_info->n_formats,
mask, &itempl, count);
}
