[qemu.git] / hw / display / qxl-render.c

/*
 * qxl local rendering (aka display on sdl/vnc)
 *
 * Copyright (C) 2010 Red Hat, Inc.
 *
 * maintained by Gerd Hoffmann <[email protected]>
 *
 * 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/osdep.h"
#include "qxl.h"
#include "sysemu/runstate.h"
#include "trace.h"

static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
{
    DisplaySurface *surface = qemu_console_surface(qxl->vga.con);
    uint8_t *dst = surface_data(surface);
    uint8_t *src;
    int len, i;

    if (is_buffer_shared(surface)) {
        return;
    }
    trace_qxl_render_blit(qxl->guest_primary.qxl_stride,
            rect->left, rect->right, rect->top, rect->bottom);
    src = qxl->guest_primary.data;
    if (qxl->guest_primary.qxl_stride < 0) {
        /* qxl surface is upside down, walk src scanlines
         * in reverse order to flip it */
        src += (qxl->guest_primary.surface.height - rect->top - 1) *
            qxl->guest_primary.abs_stride;
    } else {
        src += rect->top * 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.qxl_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", __func__,
                qxl->guest_primary.surface.format);
        qxl->guest_primary.bytes_pp = 4;
        qxl->guest_primary.bits_pp = 32;
        break;
    }
}

static void qxl_set_rect_to_surface(PCIQXLDevice *qxl, QXLRect *area)
{
    area->left   = 0;
    area->right  = qxl->guest_primary.surface.width;
    area->top    = 0;
    area->bottom = qxl->guest_primary.surface.height;
}

static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
{
    VGACommonState *vga = &qxl->vga;
    DisplaySurface *surface;
    int width = qxl->guest_head0_width ?: qxl->guest_primary.surface.width;
    int height = qxl->guest_head0_height ?: qxl->guest_primary.surface.height;
    int i;

    if (qxl->guest_primary.resized) {
        qxl->guest_primary.resized = 0;
        qxl->guest_primary.data = qxl_phys2virt(qxl,
                                                qxl->guest_primary.surface.mem,
                                                MEMSLOT_GROUP_GUEST);
        if (!qxl->guest_primary.data) {
            return;
        }
        qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
        qxl->num_dirty_rects = 1;
        trace_qxl_render_guest_primary_resized(
               width,
               height,
               qxl->guest_primary.qxl_stride,
               qxl->guest_primary.bytes_pp,
               qxl->guest_primary.bits_pp);
        if (qxl->guest_primary.qxl_stride > 0) {
            pixman_format_code_t format =
                qemu_default_pixman_format(qxl->guest_primary.bits_pp, true);
            surface = qemu_create_displaysurface_from
                (width,
                 height,
                 format,
                 qxl->guest_primary.abs_stride,
                 qxl->guest_primary.data);
        } else {
            surface = qemu_create_displaysurface
                (width,
                 height);
        }
        dpy_gfx_replace_surface(vga->con, surface);
    }

    if (!qxl->guest_primary.data) {
        return;
    }
    for (i = 0; i < qxl->num_dirty_rects; i++) {
        if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
            break;
        }
        if (qxl->dirty[i].left < 0 ||
            qxl->dirty[i].top < 0 ||
            qxl->dirty[i].left > qxl->dirty[i].right ||
            qxl->dirty[i].top > qxl->dirty[i].bottom ||
            qxl->dirty[i].right > width ||
            qxl->dirty[i].bottom > height) {
            continue;
        }
        qxl_blit(qxl, qxl->dirty+i);
        dpy_gfx_update(vga->con,
                       qxl->dirty[i].left, qxl->dirty[i].top,
                       qxl->dirty[i].right - qxl->dirty[i].left,
                       qxl->dirty[i].bottom - qxl->dirty[i].top);
    }
    qxl->num_dirty_rects = 0;
}

/*
 * use ssd.lock to protect render_update_cookie_num.
 * qxl_render_update is called by io thread or vcpu thread, and the completion
 * callbacks are called by spice_server thread, deferring to bh called from the
 * io thread.
 */
void qxl_render_update(PCIQXLDevice *qxl)
{
    QXLCookie *cookie;

    qemu_mutex_lock(&qxl->ssd.lock);

    if (!runstate_is_running() || !qxl->guest_primary.commands ||
        qxl->mode == QXL_MODE_UNDEFINED) {
        qxl_render_update_area_unlocked(qxl);
        qemu_mutex_unlock(&qxl->ssd.lock);
        return;
    }

    qxl->guest_primary.commands = 0;
    qxl->render_update_cookie_num++;
    qemu_mutex_unlock(&qxl->ssd.lock);
    cookie = qxl_cookie_new(QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
                            0);
    qxl_set_rect_to_surface(qxl, &cookie->u.render.area);
    qxl_spice_update_area(qxl, 0, &cookie->u.render.area, NULL,
                          0, 1 /* clear_dirty_region */, QXL_ASYNC, cookie);
}

void qxl_render_update_area_bh(void *opaque)
{
    PCIQXLDevice *qxl = opaque;

    qemu_mutex_lock(&qxl->ssd.lock);
    qxl_render_update_area_unlocked(qxl);
    qemu_mutex_unlock(&qxl->ssd.lock);
}

void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie)
{
    qemu_mutex_lock(&qxl->ssd.lock);
    trace_qxl_render_update_area_done(cookie);
    qemu_bh_schedule(qxl->update_area_bh);
    qxl->render_update_cookie_num--;
    qemu_mutex_unlock(&qxl->ssd.lock);
    g_free(cookie);
}

static void qxl_unpack_chunks(void *dest, size_t size, PCIQXLDevice *qxl,
                              QXLDataChunk *chunk, uint32_t group_id)
{
    uint32_t max_chunks = 32;
    size_t offset = 0;
    size_t bytes;

    for (;;) {
        bytes = MIN(size - offset, chunk->data_size);
        memcpy(dest + offset, chunk->data, bytes);
        offset += bytes;
        if (offset == size) {
            return;
        }
        chunk = qxl_phys2virt(qxl, chunk->next_chunk, group_id);
        if (!chunk) {
            return;
        }
        max_chunks--;
        if (max_chunks == 0) {
            return;
        }
    }
}

static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor,
                              uint32_t group_id)
{
    QEMUCursor *c;
    uint8_t *and_mask, *xor_mask;
    size_t 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_MONO:
        /* Assume that the full cursor is available in a single chunk. */
        size = 2 * cursor_get_mono_bpl(c) * c->height;
        if (size != cursor->data_size) {
            fprintf(stderr, "%s: bad monochrome cursor %ux%u with size %u\n",
                    __func__, c->width, c->height, cursor->data_size);
            goto fail;
        }
        and_mask = cursor->chunk.data;
        xor_mask = and_mask + cursor_get_mono_bpl(c) * c->height;
        cursor_set_mono(c, 0xffffff, 0x000000, xor_mask, 1, and_mask);
        if (qxl->debug > 2) {
            cursor_print_ascii_art(c, "qxl/mono");
        }
        break;
    case SPICE_CURSOR_TYPE_ALPHA:
        size = sizeof(uint32_t) * cursor->header.width * cursor->header.height;
        qxl_unpack_chunks(c->data, size, qxl, &cursor->chunk, group_id);
        if (qxl->debug > 2) {
            cursor_print_ascii_art(c, "qxl/alpha");
        }
        break;
    default:
        fprintf(stderr, "%s: not implemented: type %d\n",
                __func__, cursor->header.type);
        goto fail;
    }
    return c;

fail:
    cursor_put(c);
    return NULL;
}


/* called from spice server thread context only */
int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
{
    QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
    QXLCursor *cursor;
    QEMUCursor *c;

    if (!cmd) {
        return 1;
    }

    if (!dpy_cursor_define_supported(qxl->vga.con)) {
        return 0;
    }

    if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
        fprintf(stderr, "%s", __func__);
        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) {
            return 1;
        }
        c = qxl_cursor(qxl, cursor, ext->group_id);
        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);
        qemu_bh_schedule(qxl->ssd.cursor_bh);
        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);
        qemu_bh_schedule(qxl->ssd.cursor_bh);
        break;
    }
    return 0;
}
Commit	Line	Data
a19cbfb3 GH	1	/*
	2	* qxl local rendering (aka display on sdl/vnc)
	3	*
	4	* Copyright (C) 2010 Red Hat, Inc.
	5	*
	6	* maintained by Gerd Hoffmann <[email protected]>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 or
	11	* (at your option) version 3 of the License.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, see <http://www.gnu.org/licenses/>.
	20	*/
	21
47df5154	22	#include "qemu/osdep.h"
47b43a1f	23	#include "qxl.h"
54d31236	24	#include "sysemu/runstate.h"
b1829cde	25	#include "trace.h"
a19cbfb3	26
e2efc0a3	27	static void qxl_blit(PCIQXLDevice qxl, QXLRect rect)
a19cbfb3	28	{
c78f7137 GH	29	DisplaySurface *surface = qemu_console_surface(qxl->vga.con);
c78f7137 GH	30	uint8_t *dst = surface_data(surface);
4c19ebb5	31	uint8_t *src;
a19cbfb3 GH	32	int len, i;
a19cbfb3 GH	33
c78f7137	34	if (is_buffer_shared(surface)) {
4c19ebb5 AL	35	return;
4c19ebb5 AL	36	}
d53291cf	37	trace_qxl_render_blit(qxl->guest_primary.qxl_stride,
4c19ebb5 AL	38	rect->left, rect->right, rect->top, rect->bottom);
4c19ebb5 AL	39	src = qxl->guest_primary.data;
e2efc0a3 GH	40	if (qxl->guest_primary.qxl_stride < 0) {
	41	/* qxl surface is upside down, walk src scanlines
	42	* in reverse order to flip it */
	43	src += (qxl->guest_primary.surface.height - rect->top - 1) *
	44	qxl->guest_primary.abs_stride;
	45	} else {
	46	src += rect->top * qxl->guest_primary.abs_stride;
	47	}
0e2487bd	48	dst += rect->top * qxl->guest_primary.abs_stride;
a19cbfb3 GH	49	src += rect->left * qxl->guest_primary.bytes_pp;
	50	dst += rect->left * qxl->guest_primary.bytes_pp;
	51	len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp;
	52
	53	for (i = rect->top; i < rect->bottom; i++) {
	54	memcpy(dst, src, len);
0e2487bd	55	dst += qxl->guest_primary.abs_stride;
e2efc0a3	56	src += qxl->guest_primary.qxl_stride;
a19cbfb3 GH	57	}
	58	}
	59
	60	void qxl_render_resize(PCIQXLDevice *qxl)
	61	{
	62	QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
	63
0e2487bd GH	64	qxl->guest_primary.qxl_stride = sc->stride;
0e2487bd GH	65	qxl->guest_primary.abs_stride = abs(sc->stride);
a19cbfb3 GH	66	qxl->guest_primary.resized++;
	67	switch (sc->format) {
	68	case SPICE_SURFACE_FMT_16_555:
	69	qxl->guest_primary.bytes_pp = 2;
	70	qxl->guest_primary.bits_pp = 15;
	71	break;
	72	case SPICE_SURFACE_FMT_16_565:
	73	qxl->guest_primary.bytes_pp = 2;
	74	qxl->guest_primary.bits_pp = 16;
	75	break;
	76	case SPICE_SURFACE_FMT_32_xRGB:
	77	case SPICE_SURFACE_FMT_32_ARGB:
	78	qxl->guest_primary.bytes_pp = 4;
	79	qxl->guest_primary.bits_pp = 32;
	80	break;
	81	default:
a89f364a	82	fprintf(stderr, "%s: unhandled format: %x\n", __func__,
a19cbfb3 GH	83	qxl->guest_primary.surface.format);
	84	qxl->guest_primary.bytes_pp = 4;
	85	qxl->guest_primary.bits_pp = 32;
	86	break;
	87	}
	88	}
	89
81fb6f15 AL	90	static void qxl_set_rect_to_surface(PCIQXLDevice qxl, QXLRect area)
	91	{
	92	area->left = 0;
	93	area->right = qxl->guest_primary.surface.width;
	94	area->top = 0;
	95	area->bottom = qxl->guest_primary.surface.height;
	96	}
	97
	98	static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
a19cbfb3 GH	99	{
a19cbfb3 GH	100	VGACommonState *vga = &qxl->vga;
da229ef3	101	DisplaySurface *surface;
979f7ef8 GH	102	int width = qxl->guest_head0_width ?: qxl->guest_primary.surface.width;
979f7ef8 GH	103	int height = qxl->guest_head0_height ?: qxl->guest_primary.surface.height;
81fb6f15	104	int i;
a19cbfb3 GH	105
	106	if (qxl->guest_primary.resized) {
	107	qxl->guest_primary.resized = 0;
c58c7b95 GH	108	qxl->guest_primary.data = qxl_phys2virt(qxl,
	109	qxl->guest_primary.surface.mem,
	110	MEMSLOT_GROUP_GUEST);
	111	if (!qxl->guest_primary.data) {
	112	return;
	113	}
81fb6f15 AL	114	qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
81fb6f15 AL	115	qxl->num_dirty_rects = 1;
d53291cf	116	trace_qxl_render_guest_primary_resized(
979f7ef8 GH	117	width,
979f7ef8 GH	118	height,
0e2487bd	119	qxl->guest_primary.qxl_stride,
a19cbfb3	120	qxl->guest_primary.bytes_pp,
4c19ebb5	121	qxl->guest_primary.bits_pp);
4c19ebb5	122	if (qxl->guest_primary.qxl_stride > 0) {
30f1e661 GH	123	pixman_format_code_t format =
30f1e661 GH	124	qemu_default_pixman_format(qxl->guest_primary.bits_pp, true);
da229ef3	125	surface = qemu_create_displaysurface_from
979f7ef8 GH	126	(width,
979f7ef8 GH	127	height,
30f1e661	128	format,
2f464b5a	129	qxl->guest_primary.abs_stride,
30f1e661	130	qxl->guest_primary.data);
4c19ebb5	131	} else {
da229ef3	132	surface = qemu_create_displaysurface
979f7ef8 GH	133	(width,
979f7ef8 GH	134	height);
4c19ebb5	135	}
c78f7137	136	dpy_gfx_replace_surface(vga->con, surface);
a19cbfb3	137	}
c58c7b95 GH	138
	139	if (!qxl->guest_primary.data) {
	140	return;
	141	}
81fb6f15 AL	142	for (i = 0; i < qxl->num_dirty_rects; i++) {
81fb6f15 AL	143	if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
a19cbfb3 GH	144	break;
a19cbfb3 GH	145	}
503b3b33 GH	146	if (qxl->dirty[i].left < 0 \|\|
	147	qxl->dirty[i].top < 0 \|\|
	148	qxl->dirty[i].left > qxl->dirty[i].right \|\|
788fbf04	149	qxl->dirty[i].top > qxl->dirty[i].bottom \|\|
979f7ef8 GH	150	qxl->dirty[i].right > width \|\|
979f7ef8 GH	151	qxl->dirty[i].bottom > height) {
788fbf04 GH	152	continue;
788fbf04 GH	153	}
e2efc0a3	154	qxl_blit(qxl, qxl->dirty+i);
c78f7137	155	dpy_gfx_update(vga->con,
a93a4a22 GH	156	qxl->dirty[i].left, qxl->dirty[i].top,
	157	qxl->dirty[i].right - qxl->dirty[i].left,
	158	qxl->dirty[i].bottom - qxl->dirty[i].top);
a19cbfb3	159	}
81fb6f15 AL	160	qxl->num_dirty_rects = 0;
	161	}
	162
	163	/*
	164	* use ssd.lock to protect render_update_cookie_num.
	165	* qxl_render_update is called by io thread or vcpu thread, and the completion
67cc32eb	166	* callbacks are called by spice_server thread, deferring to bh called from the
81fb6f15 AL	167	* io thread.
	168	*/
	169	void qxl_render_update(PCIQXLDevice *qxl)
	170	{
	171	QXLCookie *cookie;
	172
	173	qemu_mutex_lock(&qxl->ssd.lock);
	174
5bd5c27c GH	175	if (!runstate_is_running() \|\| !qxl->guest_primary.commands \|\|
5bd5c27c GH	176	qxl->mode == QXL_MODE_UNDEFINED) {
81fb6f15 AL	177	qxl_render_update_area_unlocked(qxl);
	178	qemu_mutex_unlock(&qxl->ssd.lock);
	179	return;
	180	}
	181
	182	qxl->guest_primary.commands = 0;
	183	qxl->render_update_cookie_num++;
	184	qemu_mutex_unlock(&qxl->ssd.lock);
	185	cookie = qxl_cookie_new(QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
	186	0);
	187	qxl_set_rect_to_surface(qxl, &cookie->u.render.area);
	188	qxl_spice_update_area(qxl, 0, &cookie->u.render.area, NULL,
	189	0, 1 /* clear_dirty_region */, QXL_ASYNC, cookie);
	190	}
	191
	192	void qxl_render_update_area_bh(void *opaque)
	193	{
	194	PCIQXLDevice *qxl = opaque;
	195
	196	qemu_mutex_lock(&qxl->ssd.lock);
	197	qxl_render_update_area_unlocked(qxl);
	198	qemu_mutex_unlock(&qxl->ssd.lock);
	199	}
	200
	201	void qxl_render_update_area_done(PCIQXLDevice qxl, QXLCookie cookie)
	202	{
	203	qemu_mutex_lock(&qxl->ssd.lock);
d53291cf	204	trace_qxl_render_update_area_done(cookie);
81fb6f15 AL	205	qemu_bh_schedule(qxl->update_area_bh);
	206	qxl->render_update_cookie_num--;
	207	qemu_mutex_unlock(&qxl->ssd.lock);
	208	g_free(cookie);
a19cbfb3 GH	209	}
a19cbfb3 GH	210
b21330b5 GH	211	static void qxl_unpack_chunks(void dest, size_t size, PCIQXLDevice qxl,
	212	QXLDataChunk *chunk, uint32_t group_id)
	213	{
	214	uint32_t max_chunks = 32;
	215	size_t offset = 0;
	216	size_t bytes;
	217
	218	for (;;) {
	219	bytes = MIN(size - offset, chunk->data_size);
	220	memcpy(dest + offset, chunk->data, bytes);
	221	offset += bytes;
	222	if (offset == size) {
	223	return;
	224	}
	225	chunk = qxl_phys2virt(qxl, chunk->next_chunk, group_id);
	226	if (!chunk) {
	227	return;
	228	}
	229	max_chunks--;
	230	if (max_chunks == 0) {
	231	return;
	232	}
	233	}
	234	}
	235
	236	static QEMUCursor qxl_cursor(PCIQXLDevice qxl, QXLCursor *cursor,
	237	uint32_t group_id)
a19cbfb3 GH	238	{
a19cbfb3 GH	239	QEMUCursor *c;
36ffc122	240	uint8_t and_mask, xor_mask;
66d3f196	241	size_t size;
a19cbfb3 GH	242
	243	c = cursor_alloc(cursor->header.width, cursor->header.height);
	244	c->hot_x = cursor->header.hot_spot_x;
	245	c->hot_y = cursor->header.hot_spot_y;
	246	switch (cursor->header.type) {
36ffc122 PW	247	case SPICE_CURSOR_TYPE_MONO:
	248	/* Assume that the full cursor is available in a single chunk. */
	249	size = 2 * cursor_get_mono_bpl(c) * c->height;
	250	if (size != cursor->data_size) {
	251	fprintf(stderr, "%s: bad monochrome cursor %ux%u with size %u\n",
	252	__func__, c->width, c->height, cursor->data_size);
	253	goto fail;
	254	}
	255	and_mask = cursor->chunk.data;
	256	xor_mask = and_mask + cursor_get_mono_bpl(c) * c->height;
	257	cursor_set_mono(c, 0xffffff, 0x000000, xor_mask, 1, and_mask);
	258	if (qxl->debug > 2) {
	259	cursor_print_ascii_art(c, "qxl/mono");
	260	}
	261	break;
a19cbfb3	262	case SPICE_CURSOR_TYPE_ALPHA:
bfc10122	263	size = sizeof(uint32_t) * cursor->header.width * cursor->header.height;
b21330b5	264	qxl_unpack_chunks(c->data, size, qxl, &cursor->chunk, group_id);
a19cbfb3 GH	265	if (qxl->debug > 2) {
	266	cursor_print_ascii_art(c, "qxl/alpha");
	267	}
	268	break;
a19cbfb3 GH	269	default:
a19cbfb3 GH	270	fprintf(stderr, "%s: not implemented: type %d\n",
a89f364a	271	__func__, cursor->header.type);
a19cbfb3 GH	272	goto fail;
	273	}
	274	return c;
	275
	276	fail:
	277	cursor_put(c);
	278	return NULL;
	279	}
	280
	281
	282	/* called from spice server thread context only */
fae2afb1	283	int qxl_render_cursor(PCIQXLDevice qxl, QXLCommandExt ext)
a19cbfb3 GH	284	{
	285	QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
	286	QXLCursor *cursor;
	287	QEMUCursor *c;
a19cbfb3	288
fae2afb1 AL	289	if (!cmd) {
	290	return 1;
	291	}
	292
c78f7137	293	if (!dpy_cursor_define_supported(qxl->vga.con)) {
fae2afb1	294	return 0;
a19cbfb3 GH	295	}
	296
	297	if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
a89f364a	298	fprintf(stderr, "%s", __func__);
a19cbfb3 GH	299	qxl_log_cmd_cursor(qxl, cmd, ext->group_id);
	300	fprintf(stderr, "\n");
	301	}
	302	switch (cmd->type) {
	303	case QXL_CURSOR_SET:
a19cbfb3	304	cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id);
fae2afb1 AL	305	if (!cursor) {
	306	return 1;
	307	}
b21330b5	308	c = qxl_cursor(qxl, cursor, ext->group_id);
a19cbfb3 GH	309	if (c == NULL) {
	310	c = cursor_builtin_left_ptr();
	311	}
07536094 GH	312	qemu_mutex_lock(&qxl->ssd.lock);
	313	if (qxl->ssd.cursor) {
	314	cursor_put(qxl->ssd.cursor);
	315	}
	316	qxl->ssd.cursor = c;
	317	qxl->ssd.mouse_x = cmd->u.set.position.x;
	318	qxl->ssd.mouse_y = cmd->u.set.position.y;
	319	qemu_mutex_unlock(&qxl->ssd.lock);
0b2824e5	320	qemu_bh_schedule(qxl->ssd.cursor_bh);
a19cbfb3 GH	321	break;
a19cbfb3 GH	322	case QXL_CURSOR_MOVE:
07536094 GH	323	qemu_mutex_lock(&qxl->ssd.lock);
	324	qxl->ssd.mouse_x = cmd->u.position.x;
	325	qxl->ssd.mouse_y = cmd->u.position.y;
	326	qemu_mutex_unlock(&qxl->ssd.lock);
0b2824e5	327	qemu_bh_schedule(qxl->ssd.cursor_bh);
a19cbfb3 GH	328	break;
a19cbfb3 GH	329	}
fae2afb1	330	return 0;
a19cbfb3	331	}