/* * qxl local rendering (aka display on sdl/vnc) * * Copyright (C) 2010 Red Hat, Inc. * * maintained by Gerd Hoffmann <kraxel@redhat.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 or * (at your option) version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "qxl.h" static void qxl_flip(PCIQXLDevice *qxl, QXLRect *rect) { uint8_t *src = qxl->guest_primary.data; uint8_t *dst = qxl->guest_primary.flipped; int len, i; src += (qxl->guest_primary.surface.height - rect->top - 1) * qxl->guest_primary.stride; dst += rect->top * qxl->guest_primary.stride; src += rect->left * qxl->guest_primary.bytes_pp; dst += rect->left * qxl->guest_primary.bytes_pp; len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp; for (i = rect->top; i < rect->bottom; i++) { memcpy(dst, src, len); dst += qxl->guest_primary.stride; src -= qxl->guest_primary.stride; } } void qxl_render_resize(PCIQXLDevice *qxl) { QXLSurfaceCreate *sc = &qxl->guest_primary.surface; qxl->guest_primary.stride = sc->stride; qxl->guest_primary.resized++; switch (sc->format) { case SPICE_SURFACE_FMT_16_555: qxl->guest_primary.bytes_pp = 2; qxl->guest_primary.bits_pp = 15; break; case SPICE_SURFACE_FMT_16_565: qxl->guest_primary.bytes_pp = 2; qxl->guest_primary.bits_pp = 16; break; case SPICE_SURFACE_FMT_32_xRGB: case SPICE_SURFACE_FMT_32_ARGB: qxl->guest_primary.bytes_pp = 4; qxl->guest_primary.bits_pp = 32; break; default: fprintf(stderr, "%s: unhandled format: %x\n", __FUNCTION__, qxl->guest_primary.surface.format); qxl->guest_primary.bytes_pp = 4; qxl->guest_primary.bits_pp = 32; break; } } 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) { qemu_free(qxl->guest_primary.flipped); qxl->guest_primary.flipped = NULL; } qemu_free_displaysurface(vga->ds); qxl->guest_primary.data = qemu_get_ram_ptr(qxl->vga.vram_offset); 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 = qemu_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->ssd.worker->update_area(qxl->ssd.worker, 0, &update, dirty, ARRAY_SIZE(dirty), 1); 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); } } static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor) { QEMUCursor *c; uint8_t *image, *mask; int size; c = cursor_alloc(cursor->header.width, cursor->header.height); c->hot_x = cursor->header.hot_spot_x; c->hot_y = cursor->header.hot_spot_y; switch (cursor->header.type) { case SPICE_CURSOR_TYPE_ALPHA: size = cursor->header.width * cursor->header.height * sizeof(uint32_t); memcpy(c->data, cursor->chunk.data, size); if (qxl->debug > 2) { cursor_print_ascii_art(c, "qxl/alpha"); } break; case SPICE_CURSOR_TYPE_MONO: mask = cursor->chunk.data; image = mask + cursor_get_mono_bpl(c) * c->width; cursor_set_mono(c, 0xffffff, 0x000000, image, 1, mask); if (qxl->debug > 2) { cursor_print_ascii_art(c, "qxl/mono"); } break; default: fprintf(stderr, "%s: not implemented: type %d\n", __FUNCTION__, cursor->header.type); goto fail; } return c; fail: cursor_put(c); return NULL; } /* called from spice server thread context only */ void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext) { QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); QXLCursor *cursor; QEMUCursor *c; int x = -1, y = -1; if (!qxl->ssd.ds->mouse_set || !qxl->ssd.ds->cursor_define) { return; } if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) { fprintf(stderr, "%s", __FUNCTION__); qxl_log_cmd_cursor(qxl, cmd, ext->group_id); fprintf(stderr, "\n"); } switch (cmd->type) { case QXL_CURSOR_SET: x = cmd->u.set.position.x; y = cmd->u.set.position.y; cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id); if (cursor->chunk.data_size != cursor->data_size) { fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__); return; } c = qxl_cursor(qxl, cursor); if (c == NULL) { c = cursor_builtin_left_ptr(); } qemu_mutex_lock_iothread(); qxl->ssd.ds->cursor_define(c); qxl->ssd.ds->mouse_set(x, y, 1); qemu_mutex_unlock_iothread(); cursor_put(c); break; case QXL_CURSOR_MOVE: x = cmd->u.position.x; y = cmd->u.position.y; qemu_mutex_lock_iothread(); qxl->ssd.ds->mouse_set(x, y, 1); qemu_mutex_unlock_iothread(); break; } }