{
SM501State *s = (SM501State *)opaque;
DisplaySurface *surface = qemu_console_surface(s->con);
+ DirtyBitmapSnapshot *snap;
int y, c_x = 0, c_y = 0;
int crt = (s->dc_crt_control & SM501_DC_CRT_CONTROL_SEL) ? 1 : 0;
int width = get_width(s, crt);
draw_hwc_line_func *draw_hwc_line = NULL;
int full_update = 0;
int y_start = -1;
- ram_addr_t page_min = ~0l;
- ram_addr_t page_max = 0l;
- ram_addr_t offset;
+ ram_addr_t offset = 0;
uint32_t *palette;
uint8_t hwc_palette[3 * 3];
uint8_t *hwc_src = NULL;
/* draw each line according to conditions */
memory_region_sync_dirty_bitmap(&s->local_mem_region);
+ snap = memory_region_snapshot_and_clear_dirty(&s->local_mem_region,
+ offset, width * height * src_bpp, DIRTY_MEMORY_VGA);
for (y = 0, offset = 0; y < height; y++, offset += width * src_bpp) {
int update, update_hwc;
- ram_addr_t page0 = offset;
- ram_addr_t page1 = offset + width * src_bpp - 1;
/* check if hardware cursor is enabled and we're within its range */
update_hwc = draw_hwc_line && c_y <= y && y < c_y + SM501_HWC_HEIGHT;
update = full_update || update_hwc;
/* check dirty flags for each line */
- update |= memory_region_get_dirty(&s->local_mem_region, page0,
- page1 - page0, DIRTY_MEMORY_VGA);
+ update |= memory_region_snapshot_get_dirty(&s->local_mem_region, snap,
+ offset, width * src_bpp);
/* draw line and change status */
if (update) {
if (y_start < 0) {
y_start = y;
}
- if (page0 < page_min) {
- page_min = page0;
- }
- if (page1 > page_max) {
- page_max = page1;
- }
} else {
if (y_start >= 0) {
/* flush to display */
}
}
}
+ g_free(snap);
/* complete flush to display */
if (y_start >= 0) {
dpy_gfx_update(s->con, 0, y_start, width, y - y_start);
}
-
- /* clear dirty flags */
- if (page_min != ~0l) {
- memory_region_reset_dirty(&s->local_mem_region,
- page_min, page_max + TARGET_PAGE_SIZE,
- DIRTY_MEMORY_VGA);
- }
}
static const GraphicHwOps sm501_ops = {