void qxl_render_update(PCIQXLDevice *qxl) { VGACommonState *vga = &qxl->vga; QXLRect dirty[32], update; void *ptr; int i; if (qxl->guest_primary.resized) { qxl->guest_primary.resized = 0; if (qxl->guest_primary.flipped) { g_free(qxl->guest_primary.flipped); qxl->guest_primary.flipped = NULL; } qemu_free_displaysurface(vga->ds); qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram); if (qxl->guest_primary.stride < 0) { /* spice surface is upside down -> need extra buffer to flip */ qxl->guest_primary.stride = -qxl->guest_primary.stride; qxl->guest_primary.flipped = g_malloc(qxl->guest_primary.surface.width * qxl->guest_primary.stride); ptr = qxl->guest_primary.flipped; } else { ptr = qxl->guest_primary.data; } dprint(qxl, 1, "%s: %dx%d, stride %d, bpp %d, depth %d, flip %s\n", __FUNCTION__, qxl->guest_primary.surface.width, qxl->guest_primary.surface.height, qxl->guest_primary.stride, qxl->guest_primary.bytes_pp, qxl->guest_primary.bits_pp, qxl->guest_primary.flipped ? "yes" : "no"); vga->ds->surface = qemu_create_displaysurface_from(qxl->guest_primary.surface.width, qxl->guest_primary.surface.height, qxl->guest_primary.bits_pp, qxl->guest_primary.stride, ptr); dpy_resize(vga->ds); } if (!qxl->guest_primary.commands) { return; } qxl->guest_primary.commands = 0; update.left = 0; update.right = qxl->guest_primary.surface.width; update.top = 0; update.bottom = qxl->guest_primary.surface.height; memset(dirty, 0, sizeof(dirty)); qxl_spice_update_area(qxl, 0, &update, dirty, ARRAY_SIZE(dirty), 1, QXL_SYNC); for (i = 0; i < ARRAY_SIZE(dirty); i++) { if (qemu_spice_rect_is_empty(dirty+i)) { break; } if (qxl->guest_primary.flipped) { qxl_flip(qxl, dirty+i); } dpy_update(vga->ds, dirty[i].left, dirty[i].top, dirty[i].right - dirty[i].left, dirty[i].bottom - dirty[i].top); } }