root / ui / spice-display.c @ 43b26fc8
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/*
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 or
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* (at your option) version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu-common.h" |
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#include "qemu-spice.h" |
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#include "qemu-timer.h" |
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#include "qemu-queue.h" |
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#include "monitor.h" |
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#include "console.h" |
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#include "sysemu.h" |
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|
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#include "spice-display.h" |
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static int debug = 0; |
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static void GCC_FMT_ATTR(2, 3) dprint(int level, const char *fmt, ...) |
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{ |
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va_list args; |
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if (level <= debug) {
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va_start(args, fmt); |
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vfprintf(stderr, fmt, args); |
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va_end(args); |
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} |
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} |
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int qemu_spice_rect_is_empty(const QXLRect* r) |
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{ |
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return r->top == r->bottom || r->left == r->right;
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} |
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void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r) |
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{ |
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if (qemu_spice_rect_is_empty(r)) {
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return;
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} |
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if (qemu_spice_rect_is_empty(dest)) {
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*dest = *r; |
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return;
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} |
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dest->top = MIN(dest->top, r->top); |
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dest->left = MIN(dest->left, r->left); |
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dest->bottom = MAX(dest->bottom, r->bottom); |
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dest->right = MAX(dest->right, r->right); |
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} |
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void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
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qxl_async_io async) |
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{ |
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if (async != QXL_SYNC) {
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#if SPICE_INTERFACE_QXL_MINOR >= 1 |
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spice_qxl_add_memslot_async(&ssd->qxl, memslot, 0);
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#else
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abort(); |
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#endif
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} else {
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ssd->worker->add_memslot(ssd->worker, memslot); |
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} |
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} |
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void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid)
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{ |
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ssd->worker->del_memslot(ssd->worker, gid, sid); |
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} |
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void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
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QXLDevSurfaceCreate *surface, |
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qxl_async_io async) |
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{ |
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if (async != QXL_SYNC) {
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#if SPICE_INTERFACE_QXL_MINOR >= 1 |
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spice_qxl_create_primary_surface_async(&ssd->qxl, id, surface, 0);
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#else
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abort(); |
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#endif
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} else {
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ssd->worker->create_primary_surface(ssd->worker, id, surface); |
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} |
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} |
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void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
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uint32_t id, qxl_async_io async) |
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{ |
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if (async != QXL_SYNC) {
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#if SPICE_INTERFACE_QXL_MINOR >= 1 |
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spice_qxl_destroy_primary_surface_async(&ssd->qxl, id, 0);
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#else
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abort(); |
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#endif
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} else {
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ssd->worker->destroy_primary_surface(ssd->worker, id); |
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} |
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} |
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void qemu_spice_wakeup(SimpleSpiceDisplay *ssd)
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{ |
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ssd->worker->wakeup(ssd->worker); |
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} |
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void qemu_spice_start(SimpleSpiceDisplay *ssd)
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{ |
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ssd->worker->start(ssd->worker); |
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} |
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void qemu_spice_stop(SimpleSpiceDisplay *ssd)
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{ |
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ssd->worker->stop(ssd->worker); |
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} |
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static SimpleSpiceUpdate *qemu_spice_create_update(SimpleSpiceDisplay *ssd)
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{ |
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SimpleSpiceUpdate *update; |
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QXLDrawable *drawable; |
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QXLImage *image; |
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QXLCommand *cmd; |
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uint8_t *src, *dst; |
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int by, bw, bh;
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struct timespec time_space;
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if (qemu_spice_rect_is_empty(&ssd->dirty)) {
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return NULL; |
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}; |
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dprint(2, "%s: lr %d -> %d, tb -> %d -> %d\n", __FUNCTION__, |
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ssd->dirty.left, ssd->dirty.right, |
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ssd->dirty.top, ssd->dirty.bottom); |
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update = g_malloc0(sizeof(*update));
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drawable = &update->drawable; |
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image = &update->image; |
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cmd = &update->ext.cmd; |
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bw = ssd->dirty.right - ssd->dirty.left; |
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bh = ssd->dirty.bottom - ssd->dirty.top; |
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update->bitmap = g_malloc(bw * bh * 4);
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drawable->bbox = ssd->dirty; |
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drawable->clip.type = SPICE_CLIP_TYPE_NONE; |
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drawable->effect = QXL_EFFECT_OPAQUE; |
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drawable->release_info.id = (intptr_t)update; |
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drawable->type = QXL_DRAW_COPY; |
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drawable->surfaces_dest[0] = -1; |
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drawable->surfaces_dest[1] = -1; |
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drawable->surfaces_dest[2] = -1; |
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clock_gettime(CLOCK_MONOTONIC, &time_space); |
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/* time in milliseconds from epoch. */
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drawable->mm_time = time_space.tv_sec * 1000
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+ time_space.tv_nsec / 1000 / 1000; |
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drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT; |
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drawable->u.copy.src_bitmap = (intptr_t)image; |
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drawable->u.copy.src_area.right = bw; |
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drawable->u.copy.src_area.bottom = bh; |
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QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++); |
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image->descriptor.type = SPICE_IMAGE_TYPE_BITMAP; |
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image->bitmap.flags = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN; |
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image->bitmap.stride = bw * 4;
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image->descriptor.width = image->bitmap.x = bw; |
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image->descriptor.height = image->bitmap.y = bh; |
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image->bitmap.data = (intptr_t)(update->bitmap); |
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image->bitmap.palette = 0;
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image->bitmap.format = SPICE_BITMAP_FMT_32BIT; |
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if (ssd->conv == NULL) { |
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PixelFormat dst = qemu_default_pixelformat(32);
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ssd->conv = qemu_pf_conv_get(&dst, &ssd->ds->surface->pf); |
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assert(ssd->conv); |
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} |
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src = ds_get_data(ssd->ds) + |
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ssd->dirty.top * ds_get_linesize(ssd->ds) + |
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ssd->dirty.left * ds_get_bytes_per_pixel(ssd->ds); |
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dst = update->bitmap; |
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for (by = 0; by < bh; by++) { |
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qemu_pf_conv_run(ssd->conv, dst, src, bw); |
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src += ds_get_linesize(ssd->ds); |
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dst += image->bitmap.stride; |
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} |
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cmd->type = QXL_CMD_DRAW; |
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cmd->data = (intptr_t)drawable; |
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memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
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return update;
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} |
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/*
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* Called from spice server thread context (via interface_release_ressource)
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* We do *not* hold the global qemu mutex here, so extra care is needed
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* when calling qemu functions. Qemu interfaces used:
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* - g_free (underlying glibc free is re-entrant).
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*/
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void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update)
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{ |
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g_free(update->bitmap); |
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g_free(update); |
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} |
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void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
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{ |
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QXLDevMemSlot memslot; |
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dprint(1, "%s:\n", __FUNCTION__); |
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memset(&memslot, 0, sizeof(memslot)); |
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memslot.slot_group_id = MEMSLOT_GROUP_HOST; |
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memslot.virt_end = ~0;
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qemu_spice_add_memslot(ssd, &memslot, QXL_SYNC); |
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} |
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void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
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{ |
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QXLDevSurfaceCreate surface; |
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dprint(1, "%s: %dx%d\n", __FUNCTION__, |
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ds_get_width(ssd->ds), ds_get_height(ssd->ds)); |
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surface.format = SPICE_SURFACE_FMT_32_xRGB; |
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surface.width = ds_get_width(ssd->ds); |
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surface.height = ds_get_height(ssd->ds); |
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surface.stride = -surface.width * 4;
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surface.mouse_mode = true;
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surface.flags = 0;
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surface.type = 0;
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surface.mem = (intptr_t)ssd->buf; |
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surface.group_id = MEMSLOT_GROUP_HOST; |
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qemu_spice_create_primary_surface(ssd, 0, &surface, QXL_SYNC);
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} |
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void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
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{ |
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dprint(1, "%s:\n", __FUNCTION__); |
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qemu_spice_destroy_primary_surface(ssd, 0, QXL_SYNC);
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} |
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void qemu_spice_vm_change_state_handler(void *opaque, int running, |
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RunState state) |
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{ |
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SimpleSpiceDisplay *ssd = opaque; |
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if (running) {
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ssd->running = true;
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qemu_spice_start(ssd); |
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} else {
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qemu_spice_stop(ssd); |
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ssd->running = false;
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} |
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} |
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void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds)
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{ |
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ssd->ds = ds; |
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qemu_mutex_init(&ssd->lock); |
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ssd->mouse_x = -1;
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ssd->mouse_y = -1;
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ssd->bufsize = (16 * 1024 * 1024); |
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ssd->buf = g_malloc(ssd->bufsize); |
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} |
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/* display listener callbacks */
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void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
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int x, int y, int w, int h) |
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{ |
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QXLRect update_area; |
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dprint(2, "%s: x %d y %d w %d h %d\n", __FUNCTION__, x, y, w, h); |
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update_area.left = x, |
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update_area.right = x + w; |
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update_area.top = y; |
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update_area.bottom = y + h; |
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if (qemu_spice_rect_is_empty(&ssd->dirty)) {
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ssd->notify++; |
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} |
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qemu_spice_rect_union(&ssd->dirty, &update_area); |
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} |
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void qemu_spice_display_resize(SimpleSpiceDisplay *ssd)
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{ |
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dprint(1, "%s:\n", __FUNCTION__); |
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memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
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qemu_pf_conv_put(ssd->conv); |
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ssd->conv = NULL;
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qemu_mutex_lock(&ssd->lock); |
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if (ssd->update != NULL) { |
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qemu_spice_destroy_update(ssd, ssd->update); |
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ssd->update = NULL;
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} |
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qemu_mutex_unlock(&ssd->lock); |
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qemu_spice_destroy_host_primary(ssd); |
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qemu_spice_create_host_primary(ssd); |
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memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
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ssd->notify++; |
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} |
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void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
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{ |
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dprint(3, "%s:\n", __FUNCTION__); |
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vga_hw_update(); |
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qemu_mutex_lock(&ssd->lock); |
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if (ssd->update == NULL) { |
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ssd->update = qemu_spice_create_update(ssd); |
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ssd->notify++; |
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} |
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if (ssd->cursor) {
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ssd->ds->cursor_define(ssd->cursor); |
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cursor_put(ssd->cursor); |
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ssd->cursor = NULL;
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} |
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if (ssd->mouse_x != -1 && ssd->mouse_y != -1) { |
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ssd->ds->mouse_set(ssd->mouse_x, ssd->mouse_y, 1);
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ssd->mouse_x = -1;
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ssd->mouse_y = -1;
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} |
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qemu_mutex_unlock(&ssd->lock); |
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if (ssd->notify) {
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ssd->notify = 0;
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qemu_spice_wakeup(ssd); |
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dprint(2, "%s: notify\n", __FUNCTION__); |
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} |
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} |
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|
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/* spice display interface callbacks */
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static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) |
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{ |
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SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
354 |
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dprint(1, "%s:\n", __FUNCTION__); |
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ssd->worker = qxl_worker; |
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} |
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|
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static void interface_set_compression_level(QXLInstance *sin, int level) |
360 |
{ |
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dprint(1, "%s:\n", __FUNCTION__); |
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/* nothing to do */
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} |
364 |
|
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static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time) |
366 |
{ |
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dprint(3, "%s:\n", __FUNCTION__); |
368 |
/* nothing to do */
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} |
370 |
|
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static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) |
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{ |
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SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
374 |
|
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info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; |
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info->memslot_id_bits = MEMSLOT_SLOT_BITS; |
377 |
info->num_memslots = NUM_MEMSLOTS; |
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info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; |
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info->internal_groupslot_id = 0;
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info->qxl_ram_size = ssd->bufsize; |
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info->n_surfaces = NUM_SURFACES; |
382 |
} |
383 |
|
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static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) |
385 |
{ |
386 |
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
387 |
SimpleSpiceUpdate *update; |
388 |
int ret = false; |
389 |
|
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dprint(3, "%s:\n", __FUNCTION__); |
391 |
|
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qemu_mutex_lock(&ssd->lock); |
393 |
if (ssd->update != NULL) { |
394 |
update = ssd->update; |
395 |
ssd->update = NULL;
|
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*ext = update->ext; |
397 |
ret = true;
|
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} |
399 |
qemu_mutex_unlock(&ssd->lock); |
400 |
|
401 |
return ret;
|
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} |
403 |
|
404 |
static int interface_req_cmd_notification(QXLInstance *sin) |
405 |
{ |
406 |
dprint(1, "%s:\n", __FUNCTION__); |
407 |
return 1; |
408 |
} |
409 |
|
410 |
static void interface_release_resource(QXLInstance *sin, |
411 |
struct QXLReleaseInfoExt ext)
|
412 |
{ |
413 |
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
414 |
uintptr_t id; |
415 |
|
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dprint(2, "%s:\n", __FUNCTION__); |
417 |
id = ext.info->id; |
418 |
qemu_spice_destroy_update(ssd, (void*)id);
|
419 |
} |
420 |
|
421 |
static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) |
422 |
{ |
423 |
dprint(3, "%s:\n", __FUNCTION__); |
424 |
return false; |
425 |
} |
426 |
|
427 |
static int interface_req_cursor_notification(QXLInstance *sin) |
428 |
{ |
429 |
dprint(1, "%s:\n", __FUNCTION__); |
430 |
return 1; |
431 |
} |
432 |
|
433 |
static void interface_notify_update(QXLInstance *sin, uint32_t update_id) |
434 |
{ |
435 |
fprintf(stderr, "%s: abort()\n", __FUNCTION__);
|
436 |
abort(); |
437 |
} |
438 |
|
439 |
static int interface_flush_resources(QXLInstance *sin) |
440 |
{ |
441 |
fprintf(stderr, "%s: abort()\n", __FUNCTION__);
|
442 |
abort(); |
443 |
return 0; |
444 |
} |
445 |
|
446 |
static const QXLInterface dpy_interface = { |
447 |
.base.type = SPICE_INTERFACE_QXL, |
448 |
.base.description = "qemu simple display",
|
449 |
.base.major_version = SPICE_INTERFACE_QXL_MAJOR, |
450 |
.base.minor_version = SPICE_INTERFACE_QXL_MINOR, |
451 |
|
452 |
.attache_worker = interface_attach_worker, |
453 |
.set_compression_level = interface_set_compression_level, |
454 |
.set_mm_time = interface_set_mm_time, |
455 |
.get_init_info = interface_get_init_info, |
456 |
|
457 |
/* the callbacks below are called from spice server thread context */
|
458 |
.get_command = interface_get_command, |
459 |
.req_cmd_notification = interface_req_cmd_notification, |
460 |
.release_resource = interface_release_resource, |
461 |
.get_cursor_command = interface_get_cursor_command, |
462 |
.req_cursor_notification = interface_req_cursor_notification, |
463 |
.notify_update = interface_notify_update, |
464 |
.flush_resources = interface_flush_resources, |
465 |
}; |
466 |
|
467 |
static SimpleSpiceDisplay sdpy;
|
468 |
|
469 |
static void display_update(struct DisplayState *ds, int x, int y, int w, int h) |
470 |
{ |
471 |
qemu_spice_display_update(&sdpy, x, y, w, h); |
472 |
} |
473 |
|
474 |
static void display_resize(struct DisplayState *ds) |
475 |
{ |
476 |
qemu_spice_display_resize(&sdpy); |
477 |
} |
478 |
|
479 |
static void display_refresh(struct DisplayState *ds) |
480 |
{ |
481 |
qemu_spice_display_refresh(&sdpy); |
482 |
} |
483 |
|
484 |
static DisplayChangeListener display_listener = {
|
485 |
.dpy_update = display_update, |
486 |
.dpy_resize = display_resize, |
487 |
.dpy_refresh = display_refresh, |
488 |
}; |
489 |
|
490 |
void qemu_spice_display_init(DisplayState *ds)
|
491 |
{ |
492 |
assert(sdpy.ds == NULL);
|
493 |
qemu_spice_display_init_common(&sdpy, ds); |
494 |
register_displaychangelistener(ds, &display_listener); |
495 |
|
496 |
sdpy.qxl.base.sif = &dpy_interface.base; |
497 |
qemu_spice_add_interface(&sdpy.qxl.base); |
498 |
assert(sdpy.worker); |
499 |
|
500 |
qemu_add_vm_change_state_handler(qemu_spice_vm_change_state_handler, &sdpy); |
501 |
qemu_spice_create_host_memslot(&sdpy); |
502 |
qemu_spice_create_host_primary(&sdpy); |
503 |
} |