| /* |
| * 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.abs_stride; |
| dst += rect->top * qxl->guest_primary.abs_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.abs_stride; |
| src -= qxl->guest_primary.abs_stride; |
| } |
| } |
| |
| void qxl_render_resize(PCIQXLDevice *qxl) |
| { |
| QXLSurfaceCreate *sc = &qxl->guest_primary.surface; |
| |
| qxl->guest_primary.qxl_stride = sc->stride; |
| qxl->guest_primary.abs_stride = abs(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, redraw = 0; |
| |
| if (!is_buffer_shared(vga->ds->surface)) { |
| dprint(qxl, 1, "%s: restoring shared displaysurface\n", __func__); |
| qxl->guest_primary.resized++; |
| qxl->guest_primary.commands++; |
| redraw = 1; |
| } |
| |
| 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.qxl_stride < 0) { |
| /* spice surface is upside down -> need extra buffer to flip */ |
| qxl->guest_primary.flipped = |
| g_malloc(qxl->guest_primary.surface.width * |
| qxl->guest_primary.abs_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.qxl_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.abs_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); |
| if (redraw) { |
| memset(dirty, 0, sizeof(dirty)); |
| dirty[0] = update; |
| } |
| |
| 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; |
| |
| 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: |
| 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(&qxl->ssd.lock); |
| if (qxl->ssd.cursor) { |
| cursor_put(qxl->ssd.cursor); |
| } |
| qxl->ssd.cursor = c; |
| qxl->ssd.mouse_x = cmd->u.set.position.x; |
| qxl->ssd.mouse_y = cmd->u.set.position.y; |
| qemu_mutex_unlock(&qxl->ssd.lock); |
| break; |
| case QXL_CURSOR_MOVE: |
| qemu_mutex_lock(&qxl->ssd.lock); |
| qxl->ssd.mouse_x = cmd->u.position.x; |
| qxl->ssd.mouse_y = cmd->u.position.y; |
| qemu_mutex_unlock(&qxl->ssd.lock); |
| break; |
| } |
| } |