poly_manager *poly_alloc(running_machine *machine, int max_polys, size_t extra_data_size, UINT8 flags)
{
poly_manager *poly;
/* allocate the manager itself */
poly = auto_alloc_clear(machine, poly_manager);
poly->flags = flags;
/* allocate polygons */
poly->polygon_size = sizeof(polygon_info);
poly->polygon_count = MAX(max_polys, 1);
poly->polygon_next = 0;
poly->polygon = (polygon_info **)allocate_array(machine, &poly->polygon_size, poly->polygon_count);
/* allocate extra data */
poly->extra_size = extra_data_size;
poly->extra_count = poly->polygon_count;
poly->extra_next = 1;
poly->extra = allocate_array(machine, &poly->extra_size, poly->extra_count);
/* allocate triangle work units */
poly->unit_size = (flags & POLYFLAG_ALLOW_QUADS) ? sizeof(quad_work_unit) : sizeof(tri_work_unit);
poly->unit_count = MIN(poly->polygon_count * UNITS_PER_POLY, 65535);
poly->unit_next = 0;
poly->unit = (work_unit **)allocate_array(machine, &poly->unit_size, poly->unit_count);
/* create the work queue */
if (!(flags & POLYFLAG_NO_WORK_QUEUE))
poly->queue = osd_work_queue_alloc(WORK_QUEUE_FLAG_MULTI | WORK_QUEUE_FLAG_HIGH_FREQ);
/* request a pre-save callback for synchronization */
state_save_register_presave(machine, poly_state_presave, poly);
return poly;
}
void palette_init(running_machine *machine)
{
int format;
palette_private *palette = auto_malloc(sizeof(*palette));
const device_config *device = video_screen_first(machine->config);
/* get the format from the first screen, or use BITMAP_FORMAT_INVALID, if screenless */
if (device != NULL)
{
screen_config *config = device->inline_config;
format = config->format;
}
else
format = BITMAP_FORMAT_INVALID;
/* request cleanup */
machine->palette_data = palette;
add_exit_callback(machine, palette_exit);
/* reset all our data */
memset(palette, 0, sizeof(*palette));
palette->format = format;
/* determine the color mode */
switch (format)
{
case BITMAP_FORMAT_INDEXED16:
case BITMAP_FORMAT_RGB15:
case BITMAP_FORMAT_RGB32:
/* indexed and RGB modes are fine for everything */
break;
case BITMAP_FORMAT_INVALID:
/* invalid format means no palette - or at least it should */
assert(machine->config->total_colors == 0);
return;
default:
fatalerror("Unsupported screen bitmap format!");
break;
}
/* allocate all the data structures */
if (machine->config->total_colors > 0)
{
int numcolors;
allocate_palette(machine, palette);
allocate_color_tables(machine, palette);
allocate_shadow_tables(machine, palette);
/* set up save/restore of the palette */
numcolors = palette_get_num_colors(machine->palette);
palette->save_pen = auto_malloc(sizeof(*palette->save_pen) * numcolors);
palette->save_bright = auto_malloc(sizeof(*palette->save_bright) * numcolors);
state_save_register_global_pointer(palette->save_pen, numcolors);
state_save_register_global_pointer(palette->save_bright, numcolors);
state_save_register_presave(machine, palette_presave, palette);
state_save_register_postload(machine, palette_postload, palette);
}
}
