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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/ui/spice-display.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/ui/spice-display.c')
-rw-r--r--qemu/ui/spice-display.c808
1 files changed, 808 insertions, 0 deletions
diff --git a/qemu/ui/spice-display.c b/qemu/ui/spice-display.c
new file mode 100644
index 000000000..0360abfd2
--- /dev/null
+++ b/qemu/ui/spice-display.c
@@ -0,0 +1,808 @@
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * 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 "qemu-common.h"
+#include "ui/qemu-spice.h"
+#include "qemu/timer.h"
+#include "qemu/queue.h"
+#include "ui/console.h"
+#include "sysemu/sysemu.h"
+#include "trace.h"
+
+#include "ui/spice-display.h"
+
+static int debug = 0;
+
+static void GCC_FMT_ATTR(2, 3) dprint(int level, const char *fmt, ...)
+{
+ va_list args;
+
+ if (level <= debug) {
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+ }
+}
+
+int qemu_spice_rect_is_empty(const QXLRect* r)
+{
+ return r->top == r->bottom || r->left == r->right;
+}
+
+void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r)
+{
+ if (qemu_spice_rect_is_empty(r)) {
+ return;
+ }
+
+ if (qemu_spice_rect_is_empty(dest)) {
+ *dest = *r;
+ return;
+ }
+
+ dest->top = MIN(dest->top, r->top);
+ dest->left = MIN(dest->left, r->left);
+ dest->bottom = MAX(dest->bottom, r->bottom);
+ dest->right = MAX(dest->right, r->right);
+}
+
+QXLCookie *qxl_cookie_new(int type, uint64_t io)
+{
+ QXLCookie *cookie;
+
+ cookie = g_malloc0(sizeof(*cookie));
+ cookie->type = type;
+ cookie->io = io;
+ return cookie;
+}
+
+void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
+ qxl_async_io async)
+{
+ trace_qemu_spice_add_memslot(ssd->qxl.id, memslot->slot_id,
+ memslot->virt_start, memslot->virt_end,
+ async);
+
+ if (async != QXL_SYNC) {
+ spice_qxl_add_memslot_async(&ssd->qxl, memslot,
+ (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
+ QXL_IO_MEMSLOT_ADD_ASYNC));
+ } else {
+ spice_qxl_add_memslot(&ssd->qxl, memslot);
+ }
+}
+
+void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid)
+{
+ trace_qemu_spice_del_memslot(ssd->qxl.id, gid, sid);
+ spice_qxl_del_memslot(&ssd->qxl, gid, sid);
+}
+
+void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
+ QXLDevSurfaceCreate *surface,
+ qxl_async_io async)
+{
+ trace_qemu_spice_create_primary_surface(ssd->qxl.id, id, surface, async);
+ if (async != QXL_SYNC) {
+ spice_qxl_create_primary_surface_async(&ssd->qxl, id, surface,
+ (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
+ QXL_IO_CREATE_PRIMARY_ASYNC));
+ } else {
+ spice_qxl_create_primary_surface(&ssd->qxl, id, surface);
+ }
+}
+
+void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
+ uint32_t id, qxl_async_io async)
+{
+ trace_qemu_spice_destroy_primary_surface(ssd->qxl.id, id, async);
+ if (async != QXL_SYNC) {
+ spice_qxl_destroy_primary_surface_async(&ssd->qxl, id,
+ (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
+ QXL_IO_DESTROY_PRIMARY_ASYNC));
+ } else {
+ spice_qxl_destroy_primary_surface(&ssd->qxl, id);
+ }
+}
+
+void qemu_spice_wakeup(SimpleSpiceDisplay *ssd)
+{
+ trace_qemu_spice_wakeup(ssd->qxl.id);
+ spice_qxl_wakeup(&ssd->qxl);
+}
+
+static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd,
+ QXLRect *rect)
+{
+ SimpleSpiceUpdate *update;
+ QXLDrawable *drawable;
+ QXLImage *image;
+ QXLCommand *cmd;
+ int bw, bh;
+ struct timespec time_space;
+ pixman_image_t *dest;
+
+ trace_qemu_spice_create_update(
+ rect->left, rect->right,
+ rect->top, rect->bottom);
+
+ update = g_malloc0(sizeof(*update));
+ drawable = &update->drawable;
+ image = &update->image;
+ cmd = &update->ext.cmd;
+
+ bw = rect->right - rect->left;
+ bh = rect->bottom - rect->top;
+ update->bitmap = g_malloc(bw * bh * 4);
+
+ drawable->bbox = *rect;
+ drawable->clip.type = SPICE_CLIP_TYPE_NONE;
+ drawable->effect = QXL_EFFECT_OPAQUE;
+ drawable->release_info.id = (uintptr_t)(&update->ext);
+ drawable->type = QXL_DRAW_COPY;
+ drawable->surfaces_dest[0] = -1;
+ drawable->surfaces_dest[1] = -1;
+ drawable->surfaces_dest[2] = -1;
+ clock_gettime(CLOCK_MONOTONIC, &time_space);
+ /* time in milliseconds from epoch. */
+ drawable->mm_time = time_space.tv_sec * 1000
+ + time_space.tv_nsec / 1000 / 1000;
+
+ drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
+ drawable->u.copy.src_bitmap = (uintptr_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 = (uintptr_t)(update->bitmap);
+ image->bitmap.palette = 0;
+ image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
+
+ dest = pixman_image_create_bits(PIXMAN_LE_x8r8g8b8, bw, bh,
+ (void *)update->bitmap, bw * 4);
+ pixman_image_composite(PIXMAN_OP_SRC, ssd->surface, NULL, ssd->mirror,
+ rect->left, rect->top, 0, 0,
+ rect->left, rect->top, bw, bh);
+ pixman_image_composite(PIXMAN_OP_SRC, ssd->mirror, NULL, dest,
+ rect->left, rect->top, 0, 0,
+ 0, 0, bw, bh);
+ pixman_image_unref(dest);
+
+ cmd->type = QXL_CMD_DRAW;
+ cmd->data = (uintptr_t)drawable;
+
+ QTAILQ_INSERT_TAIL(&ssd->updates, update, next);
+}
+
+static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
+{
+ static const int blksize = 32;
+ int blocks = (surface_width(ssd->ds) + blksize - 1) / blksize;
+ int dirty_top[blocks];
+ int y, yoff1, yoff2, x, xoff, blk, bw;
+ int bpp = surface_bytes_per_pixel(ssd->ds);
+ uint8_t *guest, *mirror;
+
+ if (qemu_spice_rect_is_empty(&ssd->dirty)) {
+ return;
+ };
+
+ for (blk = 0; blk < blocks; blk++) {
+ dirty_top[blk] = -1;
+ }
+
+ guest = surface_data(ssd->ds);
+ mirror = (void *)pixman_image_get_data(ssd->mirror);
+ for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) {
+ yoff1 = y * surface_stride(ssd->ds);
+ yoff2 = y * pixman_image_get_stride(ssd->mirror);
+ for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
+ xoff = x * bpp;
+ blk = x / blksize;
+ bw = MIN(blksize, ssd->dirty.right - x);
+ if (memcmp(guest + yoff1 + xoff,
+ mirror + yoff2 + xoff,
+ bw * bpp) == 0) {
+ if (dirty_top[blk] != -1) {
+ QXLRect update = {
+ .top = dirty_top[blk],
+ .bottom = y,
+ .left = x,
+ .right = x + bw,
+ };
+ qemu_spice_create_one_update(ssd, &update);
+ dirty_top[blk] = -1;
+ }
+ } else {
+ if (dirty_top[blk] == -1) {
+ dirty_top[blk] = y;
+ }
+ }
+ }
+ }
+
+ for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
+ blk = x / blksize;
+ bw = MIN(blksize, ssd->dirty.right - x);
+ if (dirty_top[blk] != -1) {
+ QXLRect update = {
+ .top = dirty_top[blk],
+ .bottom = ssd->dirty.bottom,
+ .left = x,
+ .right = x + bw,
+ };
+ qemu_spice_create_one_update(ssd, &update);
+ dirty_top[blk] = -1;
+ }
+ }
+
+ memset(&ssd->dirty, 0, sizeof(ssd->dirty));
+}
+
+static SimpleSpiceCursor*
+qemu_spice_create_cursor_update(SimpleSpiceDisplay *ssd,
+ QEMUCursor *c,
+ int on)
+{
+ size_t size = c ? c->width * c->height * 4 : 0;
+ SimpleSpiceCursor *update;
+ QXLCursorCmd *ccmd;
+ QXLCursor *cursor;
+ QXLCommand *cmd;
+
+ update = g_malloc0(sizeof(*update) + size);
+ ccmd = &update->cmd;
+ cursor = &update->cursor;
+ cmd = &update->ext.cmd;
+
+ if (c) {
+ ccmd->type = QXL_CURSOR_SET;
+ ccmd->u.set.position.x = ssd->ptr_x + ssd->hot_x;
+ ccmd->u.set.position.y = ssd->ptr_y + ssd->hot_y;
+ ccmd->u.set.visible = true;
+ ccmd->u.set.shape = (uintptr_t)cursor;
+ cursor->header.unique = ssd->unique++;
+ cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
+ cursor->header.width = c->width;
+ cursor->header.height = c->height;
+ cursor->header.hot_spot_x = c->hot_x;
+ cursor->header.hot_spot_y = c->hot_y;
+ cursor->data_size = size;
+ cursor->chunk.data_size = size;
+ memcpy(cursor->chunk.data, c->data, size);
+ } else if (!on) {
+ ccmd->type = QXL_CURSOR_HIDE;
+ } else {
+ ccmd->type = QXL_CURSOR_MOVE;
+ ccmd->u.position.x = ssd->ptr_x + ssd->hot_x;
+ ccmd->u.position.y = ssd->ptr_y + ssd->hot_y;
+ }
+ ccmd->release_info.id = (uintptr_t)(&update->ext);
+
+ cmd->type = QXL_CMD_CURSOR;
+ cmd->data = (uintptr_t)ccmd;
+
+ return update;
+}
+
+/*
+ * Called from spice server thread context (via interface_release_resource)
+ * We do *not* hold the global qemu mutex here, so extra care is needed
+ * when calling qemu functions. QEMU interfaces used:
+ * - g_free (underlying glibc free is re-entrant).
+ */
+void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update)
+{
+ g_free(update->bitmap);
+ g_free(update);
+}
+
+void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
+{
+ QXLDevMemSlot memslot;
+
+ dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
+
+ memset(&memslot, 0, sizeof(memslot));
+ memslot.slot_group_id = MEMSLOT_GROUP_HOST;
+ memslot.virt_end = ~0;
+ qemu_spice_add_memslot(ssd, &memslot, QXL_SYNC);
+}
+
+void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
+{
+ QXLDevSurfaceCreate surface;
+ uint64_t surface_size;
+
+ memset(&surface, 0, sizeof(surface));
+
+ surface_size = (uint64_t) surface_width(ssd->ds) *
+ surface_height(ssd->ds) * 4;
+ assert(surface_size > 0);
+ assert(surface_size < INT_MAX);
+ if (ssd->bufsize < surface_size) {
+ ssd->bufsize = surface_size;
+ g_free(ssd->buf);
+ ssd->buf = g_malloc(ssd->bufsize);
+ }
+
+ dprint(1, "%s/%d: %ux%u (size %" PRIu64 "/%d)\n", __func__, ssd->qxl.id,
+ surface_width(ssd->ds), surface_height(ssd->ds),
+ surface_size, ssd->bufsize);
+
+ surface.format = SPICE_SURFACE_FMT_32_xRGB;
+ surface.width = surface_width(ssd->ds);
+ surface.height = surface_height(ssd->ds);
+ surface.stride = -surface.width * 4;
+ surface.mouse_mode = true;
+ surface.flags = 0;
+ surface.type = 0;
+ surface.mem = (uintptr_t)ssd->buf;
+ surface.group_id = MEMSLOT_GROUP_HOST;
+
+ qemu_spice_create_primary_surface(ssd, 0, &surface, QXL_SYNC);
+}
+
+void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
+{
+ dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
+
+ qemu_spice_destroy_primary_surface(ssd, 0, QXL_SYNC);
+}
+
+void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd)
+{
+ qemu_mutex_init(&ssd->lock);
+ QTAILQ_INIT(&ssd->updates);
+ ssd->mouse_x = -1;
+ ssd->mouse_y = -1;
+ if (ssd->num_surfaces == 0) {
+ ssd->num_surfaces = 1024;
+ }
+}
+
+/* display listener callbacks */
+
+void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
+ int x, int y, int w, int h)
+{
+ QXLRect update_area;
+
+ dprint(2, "%s/%d: x %d y %d w %d h %d\n", __func__,
+ ssd->qxl.id, x, y, w, h);
+ update_area.left = x,
+ update_area.right = x + w;
+ update_area.top = y;
+ update_area.bottom = y + h;
+
+ if (qemu_spice_rect_is_empty(&ssd->dirty)) {
+ ssd->notify++;
+ }
+ qemu_spice_rect_union(&ssd->dirty, &update_area);
+}
+
+void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
+ DisplaySurface *surface)
+{
+ SimpleSpiceUpdate *update;
+ bool need_destroy;
+
+ if (surface && ssd->surface &&
+ surface_width(surface) == pixman_image_get_width(ssd->surface) &&
+ surface_height(surface) == pixman_image_get_height(ssd->surface)) {
+ /* no-resize fast path: just swap backing store */
+ dprint(1, "%s/%d: fast (%dx%d)\n", __func__, ssd->qxl.id,
+ surface_width(surface), surface_height(surface));
+ qemu_mutex_lock(&ssd->lock);
+ ssd->ds = surface;
+ pixman_image_unref(ssd->surface);
+ ssd->surface = pixman_image_ref(ssd->ds->image);
+ qemu_mutex_unlock(&ssd->lock);
+ qemu_spice_display_update(ssd, 0, 0,
+ surface_width(surface),
+ surface_height(surface));
+ return;
+ }
+
+ /* full mode switch */
+ dprint(1, "%s/%d: full (%dx%d -> %dx%d)\n", __func__, ssd->qxl.id,
+ ssd->surface ? pixman_image_get_width(ssd->surface) : 0,
+ ssd->surface ? pixman_image_get_height(ssd->surface) : 0,
+ surface ? surface_width(surface) : 0,
+ surface ? surface_height(surface) : 0);
+
+ memset(&ssd->dirty, 0, sizeof(ssd->dirty));
+ if (ssd->surface) {
+ pixman_image_unref(ssd->surface);
+ ssd->surface = NULL;
+ pixman_image_unref(ssd->mirror);
+ ssd->mirror = NULL;
+ }
+
+ qemu_mutex_lock(&ssd->lock);
+ need_destroy = (ssd->ds != NULL);
+ ssd->ds = surface;
+ while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) {
+ QTAILQ_REMOVE(&ssd->updates, update, next);
+ qemu_spice_destroy_update(ssd, update);
+ }
+ qemu_mutex_unlock(&ssd->lock);
+ if (need_destroy) {
+ qemu_spice_destroy_host_primary(ssd);
+ }
+ if (ssd->ds) {
+ ssd->surface = pixman_image_ref(ssd->ds->image);
+ ssd->mirror = qemu_pixman_mirror_create(ssd->ds->format,
+ ssd->ds->image);
+ qemu_spice_create_host_primary(ssd);
+ }
+
+ memset(&ssd->dirty, 0, sizeof(ssd->dirty));
+ ssd->notify++;
+}
+
+static void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd)
+{
+ if (ssd->cursor) {
+ assert(ssd->dcl.con);
+ dpy_cursor_define(ssd->dcl.con, ssd->cursor);
+ cursor_put(ssd->cursor);
+ ssd->cursor = NULL;
+ }
+ if (ssd->mouse_x != -1 && ssd->mouse_y != -1) {
+ assert(ssd->dcl.con);
+ dpy_mouse_set(ssd->dcl.con, ssd->mouse_x, ssd->mouse_y, 1);
+ ssd->mouse_x = -1;
+ ssd->mouse_y = -1;
+ }
+}
+
+void qemu_spice_cursor_refresh_bh(void *opaque)
+{
+ SimpleSpiceDisplay *ssd = opaque;
+
+ qemu_mutex_lock(&ssd->lock);
+ qemu_spice_cursor_refresh_unlocked(ssd);
+ qemu_mutex_unlock(&ssd->lock);
+}
+
+void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
+{
+ dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
+ graphic_hw_update(ssd->dcl.con);
+
+ qemu_mutex_lock(&ssd->lock);
+ if (QTAILQ_EMPTY(&ssd->updates) && ssd->ds) {
+ qemu_spice_create_update(ssd);
+ ssd->notify++;
+ }
+ qemu_mutex_unlock(&ssd->lock);
+
+ if (ssd->notify) {
+ ssd->notify = 0;
+ qemu_spice_wakeup(ssd);
+ dprint(2, "%s/%d: notify\n", __func__, ssd->qxl.id);
+ }
+}
+
+/* spice display interface callbacks */
+
+static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
+{
+ SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
+
+ dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
+ ssd->worker = qxl_worker;
+}
+
+static void interface_set_compression_level(QXLInstance *sin, int level)
+{
+ dprint(1, "%s/%d:\n", __func__, sin->id);
+ /* nothing to do */
+}
+
+static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
+{
+ dprint(3, "%s/%d:\n", __func__, sin->id);
+ /* nothing to do */
+}
+
+static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
+{
+ SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
+
+ info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
+ info->memslot_id_bits = MEMSLOT_SLOT_BITS;
+ info->num_memslots = NUM_MEMSLOTS;
+ info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
+ info->internal_groupslot_id = 0;
+ info->qxl_ram_size = 16 * 1024 * 1024;
+ info->n_surfaces = ssd->num_surfaces;
+}
+
+static int interface_get_command(QXLInstance *sin, QXLCommandExt *ext)
+{
+ SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
+ SimpleSpiceUpdate *update;
+ int ret = false;
+
+ dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
+
+ qemu_mutex_lock(&ssd->lock);
+ update = QTAILQ_FIRST(&ssd->updates);
+ if (update != NULL) {
+ QTAILQ_REMOVE(&ssd->updates, update, next);
+ *ext = update->ext;
+ ret = true;
+ }
+ qemu_mutex_unlock(&ssd->lock);
+
+ return ret;
+}
+
+static int interface_req_cmd_notification(QXLInstance *sin)
+{
+ dprint(1, "%s/%d:\n", __func__, sin->id);
+ return 1;
+}
+
+static void interface_release_resource(QXLInstance *sin,
+ QXLReleaseInfoExt rext)
+{
+ SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
+ SimpleSpiceUpdate *update;
+ SimpleSpiceCursor *cursor;
+ QXLCommandExt *ext;
+
+ dprint(2, "%s/%d:\n", __func__, ssd->qxl.id);
+ ext = (void *)(intptr_t)(rext.info->id);
+ switch (ext->cmd.type) {
+ case QXL_CMD_DRAW:
+ update = container_of(ext, SimpleSpiceUpdate, ext);
+ qemu_spice_destroy_update(ssd, update);
+ break;
+ case QXL_CMD_CURSOR:
+ cursor = container_of(ext, SimpleSpiceCursor, ext);
+ g_free(cursor);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+}
+
+static int interface_get_cursor_command(QXLInstance *sin, QXLCommandExt *ext)
+{
+ SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
+ int ret;
+
+ dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
+
+ qemu_mutex_lock(&ssd->lock);
+ if (ssd->ptr_define) {
+ *ext = ssd->ptr_define->ext;
+ ssd->ptr_define = NULL;
+ ret = true;
+ } else if (ssd->ptr_move) {
+ *ext = ssd->ptr_move->ext;
+ ssd->ptr_move = NULL;
+ ret = true;
+ } else {
+ ret = false;
+ }
+ qemu_mutex_unlock(&ssd->lock);
+ return ret;
+}
+
+static int interface_req_cursor_notification(QXLInstance *sin)
+{
+ dprint(1, "%s:\n", __FUNCTION__);
+ return 1;
+}
+
+static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
+{
+ fprintf(stderr, "%s: abort()\n", __FUNCTION__);
+ abort();
+}
+
+static int interface_flush_resources(QXLInstance *sin)
+{
+ fprintf(stderr, "%s: abort()\n", __FUNCTION__);
+ abort();
+ return 0;
+}
+
+static void interface_update_area_complete(QXLInstance *sin,
+ uint32_t surface_id,
+ QXLRect *dirty, uint32_t num_updated_rects)
+{
+ /* should never be called, used in qxl native mode only */
+ fprintf(stderr, "%s: abort()\n", __func__);
+ abort();
+}
+
+/* called from spice server thread context only */
+static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
+{
+ /* should never be called, used in qxl native mode only */
+ fprintf(stderr, "%s: abort()\n", __func__);
+ abort();
+}
+
+static void interface_set_client_capabilities(QXLInstance *sin,
+ uint8_t client_present,
+ uint8_t caps[58])
+{
+ dprint(3, "%s:\n", __func__);
+}
+
+static int interface_client_monitors_config(QXLInstance *sin,
+ VDAgentMonitorsConfig *mc)
+{
+ SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
+ QemuUIInfo info;
+
+ if (!dpy_ui_info_supported(ssd->dcl.con)) {
+ return 0; /* == not supported by guest */
+ }
+
+ if (!mc) {
+ return 1;
+ }
+
+ /*
+ * FIXME: multihead is tricky due to the way
+ * spice has multihead implemented.
+ */
+ memset(&info, 0, sizeof(info));
+ if (mc->num_of_monitors > 0) {
+ info.width = mc->monitors[0].width;
+ info.height = mc->monitors[0].height;
+ }
+ dpy_set_ui_info(ssd->dcl.con, &info);
+ dprint(1, "%s/%d: size %dx%d\n", __func__, ssd->qxl.id,
+ info.width, info.height);
+ return 1;
+}
+
+static const QXLInterface dpy_interface = {
+ .base.type = SPICE_INTERFACE_QXL,
+ .base.description = "qemu simple display",
+ .base.major_version = SPICE_INTERFACE_QXL_MAJOR,
+ .base.minor_version = SPICE_INTERFACE_QXL_MINOR,
+
+ .attache_worker = interface_attach_worker,
+ .set_compression_level = interface_set_compression_level,
+ .set_mm_time = interface_set_mm_time,
+ .get_init_info = interface_get_init_info,
+
+ /* the callbacks below are called from spice server thread context */
+ .get_command = interface_get_command,
+ .req_cmd_notification = interface_req_cmd_notification,
+ .release_resource = interface_release_resource,
+ .get_cursor_command = interface_get_cursor_command,
+ .req_cursor_notification = interface_req_cursor_notification,
+ .notify_update = interface_notify_update,
+ .flush_resources = interface_flush_resources,
+ .async_complete = interface_async_complete,
+ .update_area_complete = interface_update_area_complete,
+ .set_client_capabilities = interface_set_client_capabilities,
+ .client_monitors_config = interface_client_monitors_config,
+};
+
+static void display_update(DisplayChangeListener *dcl,
+ int x, int y, int w, int h)
+{
+ SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
+ qemu_spice_display_update(ssd, x, y, w, h);
+}
+
+static void display_switch(DisplayChangeListener *dcl,
+ DisplaySurface *surface)
+{
+ SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
+ qemu_spice_display_switch(ssd, surface);
+}
+
+static void display_refresh(DisplayChangeListener *dcl)
+{
+ SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
+ qemu_spice_display_refresh(ssd);
+}
+
+static void display_mouse_set(DisplayChangeListener *dcl,
+ int x, int y, int on)
+{
+ SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
+
+ qemu_mutex_lock(&ssd->lock);
+ ssd->ptr_x = x;
+ ssd->ptr_y = y;
+ if (ssd->ptr_move) {
+ g_free(ssd->ptr_move);
+ }
+ ssd->ptr_move = qemu_spice_create_cursor_update(ssd, NULL, on);
+ qemu_mutex_unlock(&ssd->lock);
+}
+
+static void display_mouse_define(DisplayChangeListener *dcl,
+ QEMUCursor *c)
+{
+ SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
+
+ qemu_mutex_lock(&ssd->lock);
+ ssd->hot_x = c->hot_x;
+ ssd->hot_y = c->hot_y;
+ if (ssd->ptr_move) {
+ g_free(ssd->ptr_move);
+ ssd->ptr_move = NULL;
+ }
+ if (ssd->ptr_define) {
+ g_free(ssd->ptr_define);
+ }
+ ssd->ptr_define = qemu_spice_create_cursor_update(ssd, c, 0);
+ qemu_mutex_unlock(&ssd->lock);
+}
+
+static const DisplayChangeListenerOps display_listener_ops = {
+ .dpy_name = "spice",
+ .dpy_gfx_update = display_update,
+ .dpy_gfx_switch = display_switch,
+ .dpy_gfx_check_format = qemu_pixman_check_format,
+ .dpy_refresh = display_refresh,
+ .dpy_mouse_set = display_mouse_set,
+ .dpy_cursor_define = display_mouse_define,
+};
+
+static void qemu_spice_display_init_one(QemuConsole *con)
+{
+ SimpleSpiceDisplay *ssd = g_new0(SimpleSpiceDisplay, 1);
+
+ qemu_spice_display_init_common(ssd);
+
+ ssd->qxl.base.sif = &dpy_interface.base;
+ qemu_spice_add_display_interface(&ssd->qxl, con);
+ assert(ssd->worker);
+
+ qemu_spice_create_host_memslot(ssd);
+
+ ssd->dcl.ops = &display_listener_ops;
+ ssd->dcl.con = con;
+ register_displaychangelistener(&ssd->dcl);
+}
+
+void qemu_spice_display_init(void)
+{
+ QemuConsole *con;
+ int i;
+
+ for (i = 0;; i++) {
+ con = qemu_console_lookup_by_index(i);
+ if (!con || !qemu_console_is_graphic(con)) {
+ break;
+ }
+ if (qemu_spice_have_display_interface(con)) {
+ continue;
+ }
+ qemu_spice_display_init_one(con);
+ }
+}