root / ui / spice-display.c @ 9c17d615
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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 "ui/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/monitor.h" |
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#include "ui/console.h" |
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#include "sysemu/sysemu.h" |
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#include "trace.h" |
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#include "ui/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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QXLCookie *qxl_cookie_new(int type, uint64_t io)
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{ |
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QXLCookie *cookie; |
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cookie = g_malloc0(sizeof(*cookie));
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cookie->type = type; |
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cookie->io = io; |
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return cookie;
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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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trace_qemu_spice_add_memslot(ssd->qxl.id, memslot->slot_id, |
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memslot->virt_start, memslot->virt_end, |
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async); |
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if (async != QXL_SYNC) {
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spice_qxl_add_memslot_async(&ssd->qxl, memslot, |
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(uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
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QXL_IO_MEMSLOT_ADD_ASYNC)); |
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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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trace_qemu_spice_del_memslot(ssd->qxl.id, gid, sid); |
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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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trace_qemu_spice_create_primary_surface(ssd->qxl.id, id, surface, async); |
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if (async != QXL_SYNC) {
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spice_qxl_create_primary_surface_async(&ssd->qxl, id, surface, |
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(uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
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QXL_IO_CREATE_PRIMARY_ASYNC)); |
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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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trace_qemu_spice_destroy_primary_surface(ssd->qxl.id, id, async); |
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if (async != QXL_SYNC) {
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spice_qxl_destroy_primary_surface_async(&ssd->qxl, id, |
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(uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO, |
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QXL_IO_DESTROY_PRIMARY_ASYNC)); |
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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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trace_qemu_spice_wakeup(ssd->qxl.id); |
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ssd->worker->wakeup(ssd->worker); |
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} |
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static int spice_display_is_running; |
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void qemu_spice_display_start(void) |
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{ |
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spice_display_is_running = true;
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} |
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void qemu_spice_display_stop(void) |
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{ |
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spice_display_is_running = false;
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} |
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int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
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{ |
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return spice_display_is_running;
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} |
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static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd, |
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QXLRect *rect) |
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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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int bw, bh;
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struct timespec time_space;
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pixman_image_t *dest; |
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trace_qemu_spice_create_update( |
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rect->left, rect->right, |
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rect->top, rect->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 = rect->right - rect->left; |
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bh = rect->bottom - rect->top; |
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update->bitmap = g_malloc(bw * bh * 4);
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drawable->bbox = *rect; |
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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 = (uintptr_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 = (uintptr_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 = (uintptr_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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dest = pixman_image_create_bits(PIXMAN_x8r8g8b8, bw, bh, |
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(void *)update->bitmap, bw * 4); |
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pixman_image_composite(PIXMAN_OP_SRC, ssd->surface, NULL, ssd->mirror,
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rect->left, rect->top, 0, 0, |
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rect->left, rect->top, bw, bh); |
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pixman_image_composite(PIXMAN_OP_SRC, ssd->mirror, NULL, dest,
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rect->left, rect->top, 0, 0, |
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0, 0, bw, bh); |
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pixman_image_unref(dest); |
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cmd->type = QXL_CMD_DRAW; |
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cmd->data = (uintptr_t)drawable; |
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QTAILQ_INSERT_TAIL(&ssd->updates, update, next); |
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} |
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static void qemu_spice_create_update(SimpleSpiceDisplay *ssd) |
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{ |
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static const int blksize = 32; |
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int blocks = (ds_get_width(ssd->ds) + blksize - 1) / blksize; |
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int dirty_top[blocks];
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int y, yoff, x, xoff, blk, bw;
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int bpp = ds_get_bytes_per_pixel(ssd->ds);
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uint8_t *guest, *mirror; |
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if (qemu_spice_rect_is_empty(&ssd->dirty)) {
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return;
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}; |
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if (ssd->surface == NULL) { |
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ssd->surface = pixman_image_ref(ds_get_image(ssd->ds)); |
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ssd->mirror = qemu_pixman_mirror_create(ds_get_format(ssd->ds), |
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ds_get_image(ssd->ds)); |
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} |
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for (blk = 0; blk < blocks; blk++) { |
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dirty_top[blk] = -1;
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} |
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guest = ds_get_data(ssd->ds); |
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mirror = (void *)pixman_image_get_data(ssd->mirror);
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for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) {
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yoff = y * ds_get_linesize(ssd->ds); |
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for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
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xoff = x * bpp; |
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blk = x / blksize; |
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bw = MIN(blksize, ssd->dirty.right - x); |
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if (memcmp(guest + yoff + xoff,
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mirror + yoff + xoff, |
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bw * bpp) == 0) {
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if (dirty_top[blk] != -1) { |
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QXLRect update = { |
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.top = dirty_top[blk], |
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.bottom = y, |
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.left = x, |
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.right = x + bw, |
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}; |
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qemu_spice_create_one_update(ssd, &update); |
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dirty_top[blk] = -1;
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} |
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} else {
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if (dirty_top[blk] == -1) { |
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dirty_top[blk] = y; |
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} |
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} |
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} |
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} |
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for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
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blk = x / blksize; |
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bw = MIN(blksize, ssd->dirty.right - x); |
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if (dirty_top[blk] != -1) { |
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QXLRect update = { |
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.top = dirty_top[blk], |
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.bottom = ssd->dirty.bottom, |
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.left = x, |
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.right = x + bw, |
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}; |
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qemu_spice_create_one_update(ssd, &update); |
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dirty_top[blk] = -1;
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} |
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} |
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memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
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} |
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/*
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* Called from spice server thread context (via interface_release_resource)
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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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memset(&surface, 0, sizeof(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 = (uintptr_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_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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QTAILQ_INIT(&ssd->updates); |
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ssd->mouse_x = -1;
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ssd->mouse_y = -1;
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if (ssd->num_surfaces == 0) { |
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ssd->num_surfaces = 1024;
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} |
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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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SimpleSpiceUpdate *update; |
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dprint(1, "%s:\n", __FUNCTION__); |
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memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
377 |
if (ssd->surface) {
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pixman_image_unref(ssd->surface); |
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ssd->surface = NULL;
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pixman_image_unref(ssd->mirror); |
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ssd->mirror = NULL;
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} |
383 |
|
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qemu_mutex_lock(&ssd->lock); |
385 |
while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) { |
386 |
QTAILQ_REMOVE(&ssd->updates, update, next); |
387 |
qemu_spice_destroy_update(ssd, update); |
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} |
389 |
qemu_mutex_unlock(&ssd->lock); |
390 |
qemu_spice_destroy_host_primary(ssd); |
391 |
qemu_spice_create_host_primary(ssd); |
392 |
|
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memset(&ssd->dirty, 0, sizeof(ssd->dirty)); |
394 |
ssd->notify++; |
395 |
} |
396 |
|
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void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd)
|
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{ |
399 |
if (ssd->cursor) {
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dpy_cursor_define(ssd->ds, ssd->cursor); |
401 |
cursor_put(ssd->cursor); |
402 |
ssd->cursor = NULL;
|
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} |
404 |
if (ssd->mouse_x != -1 && ssd->mouse_y != -1) { |
405 |
dpy_mouse_set(ssd->ds, 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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} |
409 |
} |
410 |
|
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void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
|
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{ |
413 |
dprint(3, "%s:\n", __func__); |
414 |
vga_hw_update(); |
415 |
|
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qemu_mutex_lock(&ssd->lock); |
417 |
if (QTAILQ_EMPTY(&ssd->updates)) {
|
418 |
qemu_spice_create_update(ssd); |
419 |
ssd->notify++; |
420 |
} |
421 |
qemu_spice_cursor_refresh_unlocked(ssd); |
422 |
qemu_mutex_unlock(&ssd->lock); |
423 |
|
424 |
if (ssd->notify) {
|
425 |
ssd->notify = 0;
|
426 |
qemu_spice_wakeup(ssd); |
427 |
dprint(2, "%s: notify\n", __FUNCTION__); |
428 |
} |
429 |
} |
430 |
|
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/* spice display interface callbacks */
|
432 |
|
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static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker) |
434 |
{ |
435 |
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
436 |
|
437 |
dprint(1, "%s:\n", __FUNCTION__); |
438 |
ssd->worker = qxl_worker; |
439 |
} |
440 |
|
441 |
static void interface_set_compression_level(QXLInstance *sin, int level) |
442 |
{ |
443 |
dprint(1, "%s:\n", __FUNCTION__); |
444 |
/* nothing to do */
|
445 |
} |
446 |
|
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static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time) |
448 |
{ |
449 |
dprint(3, "%s:\n", __FUNCTION__); |
450 |
/* nothing to do */
|
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} |
452 |
|
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static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info) |
454 |
{ |
455 |
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
456 |
|
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info->memslot_gen_bits = MEMSLOT_GENERATION_BITS; |
458 |
info->memslot_id_bits = MEMSLOT_SLOT_BITS; |
459 |
info->num_memslots = NUM_MEMSLOTS; |
460 |
info->num_memslots_groups = NUM_MEMSLOTS_GROUPS; |
461 |
info->internal_groupslot_id = 0;
|
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info->qxl_ram_size = ssd->bufsize; |
463 |
info->n_surfaces = ssd->num_surfaces; |
464 |
} |
465 |
|
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static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext) |
467 |
{ |
468 |
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
469 |
SimpleSpiceUpdate *update; |
470 |
int ret = false; |
471 |
|
472 |
dprint(3, "%s:\n", __FUNCTION__); |
473 |
|
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qemu_mutex_lock(&ssd->lock); |
475 |
update = QTAILQ_FIRST(&ssd->updates); |
476 |
if (update != NULL) { |
477 |
QTAILQ_REMOVE(&ssd->updates, update, next); |
478 |
*ext = update->ext; |
479 |
ret = true;
|
480 |
} |
481 |
qemu_mutex_unlock(&ssd->lock); |
482 |
|
483 |
return ret;
|
484 |
} |
485 |
|
486 |
static int interface_req_cmd_notification(QXLInstance *sin) |
487 |
{ |
488 |
dprint(1, "%s:\n", __FUNCTION__); |
489 |
return 1; |
490 |
} |
491 |
|
492 |
static void interface_release_resource(QXLInstance *sin, |
493 |
struct QXLReleaseInfoExt ext)
|
494 |
{ |
495 |
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl); |
496 |
uintptr_t id; |
497 |
|
498 |
dprint(2, "%s:\n", __FUNCTION__); |
499 |
id = ext.info->id; |
500 |
qemu_spice_destroy_update(ssd, (void*)id);
|
501 |
} |
502 |
|
503 |
static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext) |
504 |
{ |
505 |
dprint(3, "%s:\n", __FUNCTION__); |
506 |
return false; |
507 |
} |
508 |
|
509 |
static int interface_req_cursor_notification(QXLInstance *sin) |
510 |
{ |
511 |
dprint(1, "%s:\n", __FUNCTION__); |
512 |
return 1; |
513 |
} |
514 |
|
515 |
static void interface_notify_update(QXLInstance *sin, uint32_t update_id) |
516 |
{ |
517 |
fprintf(stderr, "%s: abort()\n", __FUNCTION__);
|
518 |
abort(); |
519 |
} |
520 |
|
521 |
static int interface_flush_resources(QXLInstance *sin) |
522 |
{ |
523 |
fprintf(stderr, "%s: abort()\n", __FUNCTION__);
|
524 |
abort(); |
525 |
return 0; |
526 |
} |
527 |
|
528 |
static void interface_update_area_complete(QXLInstance *sin, |
529 |
uint32_t surface_id, |
530 |
QXLRect *dirty, uint32_t num_updated_rects) |
531 |
{ |
532 |
/* should never be called, used in qxl native mode only */
|
533 |
fprintf(stderr, "%s: abort()\n", __func__);
|
534 |
abort(); |
535 |
} |
536 |
|
537 |
/* called from spice server thread context only */
|
538 |
static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token) |
539 |
{ |
540 |
/* should never be called, used in qxl native mode only */
|
541 |
fprintf(stderr, "%s: abort()\n", __func__);
|
542 |
abort(); |
543 |
} |
544 |
|
545 |
static void interface_set_client_capabilities(QXLInstance *sin, |
546 |
uint8_t client_present, |
547 |
uint8_t caps[58])
|
548 |
{ |
549 |
dprint(3, "%s:\n", __func__); |
550 |
} |
551 |
|
552 |
static int interface_client_monitors_config(QXLInstance *sin, |
553 |
VDAgentMonitorsConfig *monitors_config) |
554 |
{ |
555 |
dprint(3, "%s:\n", __func__); |
556 |
return 0; /* == not supported by guest */ |
557 |
} |
558 |
|
559 |
static const QXLInterface dpy_interface = { |
560 |
.base.type = SPICE_INTERFACE_QXL, |
561 |
.base.description = "qemu simple display",
|
562 |
.base.major_version = SPICE_INTERFACE_QXL_MAJOR, |
563 |
.base.minor_version = SPICE_INTERFACE_QXL_MINOR, |
564 |
|
565 |
.attache_worker = interface_attach_worker, |
566 |
.set_compression_level = interface_set_compression_level, |
567 |
.set_mm_time = interface_set_mm_time, |
568 |
.get_init_info = interface_get_init_info, |
569 |
|
570 |
/* the callbacks below are called from spice server thread context */
|
571 |
.get_command = interface_get_command, |
572 |
.req_cmd_notification = interface_req_cmd_notification, |
573 |
.release_resource = interface_release_resource, |
574 |
.get_cursor_command = interface_get_cursor_command, |
575 |
.req_cursor_notification = interface_req_cursor_notification, |
576 |
.notify_update = interface_notify_update, |
577 |
.flush_resources = interface_flush_resources, |
578 |
.async_complete = interface_async_complete, |
579 |
.update_area_complete = interface_update_area_complete, |
580 |
.set_client_capabilities = interface_set_client_capabilities, |
581 |
.client_monitors_config = interface_client_monitors_config, |
582 |
}; |
583 |
|
584 |
static SimpleSpiceDisplay sdpy;
|
585 |
|
586 |
static void display_update(struct DisplayState *ds, int x, int y, int w, int h) |
587 |
{ |
588 |
qemu_spice_display_update(&sdpy, x, y, w, h); |
589 |
} |
590 |
|
591 |
static void display_resize(struct DisplayState *ds) |
592 |
{ |
593 |
qemu_spice_display_resize(&sdpy); |
594 |
} |
595 |
|
596 |
static void display_refresh(struct DisplayState *ds) |
597 |
{ |
598 |
qemu_spice_display_refresh(&sdpy); |
599 |
} |
600 |
|
601 |
static DisplayChangeListener display_listener = {
|
602 |
.dpy_gfx_update = display_update, |
603 |
.dpy_gfx_resize = display_resize, |
604 |
.dpy_refresh = display_refresh, |
605 |
}; |
606 |
|
607 |
void qemu_spice_display_init(DisplayState *ds)
|
608 |
{ |
609 |
assert(sdpy.ds == NULL);
|
610 |
qemu_spice_display_init_common(&sdpy, ds); |
611 |
|
612 |
sdpy.qxl.base.sif = &dpy_interface.base; |
613 |
qemu_spice_add_interface(&sdpy.qxl.base); |
614 |
assert(sdpy.worker); |
615 |
|
616 |
qemu_spice_create_host_memslot(&sdpy); |
617 |
qemu_spice_create_host_primary(&sdpy); |
618 |
register_displaychangelistener(ds, &display_listener); |
619 |
} |