SimpleSpiceUpdate *qemu_spice_create_update(SimpleSpiceDisplay *ssd) { SimpleSpiceUpdate *update; QXLDrawable *drawable; QXLImage *image; QXLCommand *cmd; uint8_t *src, *dst; int by, bw, bh; if (qemu_spice_rect_is_empty(&ssd->dirty)) { return NULL; }; pthread_mutex_lock(&ssd->lock); dprint(2, "%s: lr %d -> %d, tb -> %d -> %d\n", __FUNCTION__, ssd->dirty.left, ssd->dirty.right, ssd->dirty.top, ssd->dirty.bottom); update = qemu_mallocz(sizeof(*update)); drawable = &update->drawable; image = &update->image; cmd = &update->ext.cmd; bw = ssd->dirty.right - ssd->dirty.left; bh = ssd->dirty.bottom - ssd->dirty.top; update->bitmap = qemu_malloc(bw * bh * 4); drawable->bbox = ssd->dirty; drawable->clip.type = SPICE_CLIP_TYPE_NONE; drawable->effect = QXL_EFFECT_OPAQUE; drawable->release_info.id = (intptr_t)update; drawable->type = QXL_DRAW_COPY; drawable->surfaces_dest[0] = -1; drawable->surfaces_dest[1] = -1; drawable->surfaces_dest[2] = -1; drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT; drawable->u.copy.src_bitmap = (intptr_t)image; drawable->u.copy.src_area.right = bw; drawable->u.copy.src_area.bottom = bh; QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++); image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP; image->bitmap.flags = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN; image->bitmap.stride = bw * 4; image->descriptor.width = image->bitmap.x = bw; image->descriptor.height = image->bitmap.y = bh; image->bitmap.data = (intptr_t)(update->bitmap); image->bitmap.palette = 0; image->bitmap.format = SPICE_BITMAP_FMT_32BIT; if (ssd->conv == NULL) { PixelFormat dst = qemu_default_pixelformat(32); ssd->conv = qemu_pf_conv_get(&dst, &ssd->ds->surface->pf); assert(ssd->conv); } src = ds_get_data(ssd->ds) + ssd->dirty.top * ds_get_linesize(ssd->ds) + ssd->dirty.left * ds_get_bytes_per_pixel(ssd->ds); dst = update->bitmap; for (by = 0; by < bh; by++) { qemu_pf_conv_run(ssd->conv, dst, src, bw); src += ds_get_linesize(ssd->ds); dst += image->bitmap.stride; } cmd->type = QXL_CMD_DRAW; cmd->data = (intptr_t)drawable; memset(&ssd->dirty, 0, sizeof(ssd->dirty)); pthread_mutex_unlock(&ssd->lock); return update; }