blob: d28849b121763600d219623213801ee02a847856 [file] [log] [blame]
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +02001/*
2 * qxl local rendering (aka display on sdl/vnc)
3 *
4 * Copyright (C) 2010 Red Hat, Inc.
5 *
6 * maintained by Gerd Hoffmann <kraxel@redhat.com>
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
Peter Maydell47df5152016-01-26 18:17:13 +000022#include "qemu/osdep.h"
Paolo Bonzini47b43a12013-03-18 17:36:02 +010023#include "qxl.h"
Markus Armbruster54d31232019-08-12 07:23:59 +020024#include "sysemu/runstate.h"
Stefan Weilb1829cd2013-12-07 15:09:12 +010025#include "trace.h"
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020026
Gerd Hoffmanne2efc0a2012-02-27 11:05:09 +010027static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020028{
Gerd Hoffmannc78f7132013-03-05 15:24:14 +010029 DisplaySurface *surface = qemu_console_surface(qxl->vga.con);
30 uint8_t *dst = surface_data(surface);
Alon Levy4c19ebb2012-02-24 23:19:29 +020031 uint8_t *src;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020032 int len, i;
33
Gerd Hoffmannc78f7132013-03-05 15:24:14 +010034 if (is_buffer_shared(surface)) {
Alon Levy4c19ebb2012-02-24 23:19:29 +020035 return;
36 }
Alon Levyd53291c2012-03-18 13:46:15 +010037 trace_qxl_render_blit(qxl->guest_primary.qxl_stride,
Alon Levy4c19ebb2012-02-24 23:19:29 +020038 rect->left, rect->right, rect->top, rect->bottom);
39 src = qxl->guest_primary.data;
Gerd Hoffmanne2efc0a2012-02-27 11:05:09 +010040 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 }
Gerd Hoffmann0e2487b2011-10-21 15:59:07 +020048 dst += rect->top * qxl->guest_primary.abs_stride;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020049 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);
Gerd Hoffmann0e2487b2011-10-21 15:59:07 +020055 dst += qxl->guest_primary.abs_stride;
Gerd Hoffmanne2efc0a2012-02-27 11:05:09 +010056 src += qxl->guest_primary.qxl_stride;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020057 }
58}
59
60void qxl_render_resize(PCIQXLDevice *qxl)
61{
62 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
63
Gerd Hoffmann0e2487b2011-10-21 15:59:07 +020064 qxl->guest_primary.qxl_stride = sc->stride;
65 qxl->guest_primary.abs_stride = abs(sc->stride);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020066 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:
Alistair Francisa89f3642017-11-08 14:56:31 -080082 fprintf(stderr, "%s: unhandled format: %x\n", __func__,
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020083 qxl->guest_primary.surface.format);
84 qxl->guest_primary.bytes_pp = 4;
85 qxl->guest_primary.bits_pp = 32;
86 break;
87 }
88}
89
Alon Levy81fb6f12012-02-24 23:19:31 +020090static 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
98static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +020099{
100 VGACommonState *vga = &qxl->vga;
Gerd Hoffmannda229ef2013-02-28 10:48:02 +0100101 DisplaySurface *surface;
Gerd Hoffmann979f7ef2018-09-19 12:30:57 +0200102 int width = qxl->guest_head0_width ?: qxl->guest_primary.surface.width;
103 int height = qxl->guest_head0_height ?: qxl->guest_primary.surface.height;
Alon Levy81fb6f12012-02-24 23:19:31 +0200104 int i;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200105
106 if (qxl->guest_primary.resized) {
107 qxl->guest_primary.resized = 0;
Gerd Hoffmannc58c7b92013-09-05 21:57:19 +0200108 qxl->guest_primary.data = qxl_phys2virt(qxl,
109 qxl->guest_primary.surface.mem,
110 MEMSLOT_GROUP_GUEST);
111 if (!qxl->guest_primary.data) {
Marc-André Lureau4d631622015-08-24 13:20:49 +0200112 goto end;
Gerd Hoffmannc58c7b92013-09-05 21:57:19 +0200113 }
Alon Levy81fb6f12012-02-24 23:19:31 +0200114 qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
115 qxl->num_dirty_rects = 1;
Alon Levyd53291c2012-03-18 13:46:15 +0100116 trace_qxl_render_guest_primary_resized(
Gerd Hoffmann979f7ef2018-09-19 12:30:57 +0200117 width,
118 height,
Gerd Hoffmann0e2487b2011-10-21 15:59:07 +0200119 qxl->guest_primary.qxl_stride,
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200120 qxl->guest_primary.bytes_pp,
Alon Levy4c19ebb2012-02-24 23:19:29 +0200121 qxl->guest_primary.bits_pp);
Alon Levy4c19ebb2012-02-24 23:19:29 +0200122 if (qxl->guest_primary.qxl_stride > 0) {
Gerd Hoffmann30f1e662014-06-18 11:03:15 +0200123 pixman_format_code_t format =
124 qemu_default_pixman_format(qxl->guest_primary.bits_pp, true);
Gerd Hoffmannda229ef2013-02-28 10:48:02 +0100125 surface = qemu_create_displaysurface_from
Gerd Hoffmann979f7ef2018-09-19 12:30:57 +0200126 (width,
127 height,
Gerd Hoffmann30f1e662014-06-18 11:03:15 +0200128 format,
Gerd Hoffmann2f464b52012-12-10 07:41:07 +0100129 qxl->guest_primary.abs_stride,
Gerd Hoffmann30f1e662014-06-18 11:03:15 +0200130 qxl->guest_primary.data);
Alon Levy4c19ebb2012-02-24 23:19:29 +0200131 } else {
Gerd Hoffmannda229ef2013-02-28 10:48:02 +0100132 surface = qemu_create_displaysurface
Gerd Hoffmann979f7ef2018-09-19 12:30:57 +0200133 (width,
134 height);
Alon Levy4c19ebb2012-02-24 23:19:29 +0200135 }
Gerd Hoffmannc78f7132013-03-05 15:24:14 +0100136 dpy_gfx_replace_surface(vga->con, surface);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200137 }
Gerd Hoffmannc58c7b92013-09-05 21:57:19 +0200138
139 if (!qxl->guest_primary.data) {
Marc-André Lureau4d631622015-08-24 13:20:49 +0200140 goto end;
Gerd Hoffmannc58c7b92013-09-05 21:57:19 +0200141 }
Alon Levy81fb6f12012-02-24 23:19:31 +0200142 for (i = 0; i < qxl->num_dirty_rects; i++) {
143 if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200144 break;
145 }
Gerd Hoffmann503b3b32014-08-29 09:27:52 +0200146 if (qxl->dirty[i].left < 0 ||
147 qxl->dirty[i].top < 0 ||
148 qxl->dirty[i].left > qxl->dirty[i].right ||
Gerd Hoffmann788fbf02014-06-10 13:51:12 +0200149 qxl->dirty[i].top > qxl->dirty[i].bottom ||
Gerd Hoffmann979f7ef2018-09-19 12:30:57 +0200150 qxl->dirty[i].right > width ||
151 qxl->dirty[i].bottom > height) {
Gerd Hoffmann788fbf02014-06-10 13:51:12 +0200152 continue;
153 }
Gerd Hoffmanne2efc0a2012-02-27 11:05:09 +0100154 qxl_blit(qxl, qxl->dirty+i);
Gerd Hoffmannc78f7132013-03-05 15:24:14 +0100155 dpy_gfx_update(vga->con,
Gerd Hoffmanna93a4a22012-09-28 15:02:08 +0200156 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);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200159 }
Alon Levy81fb6f12012-02-24 23:19:31 +0200160 qxl->num_dirty_rects = 0;
Marc-André Lureau4d631622015-08-24 13:20:49 +0200161
162end:
163 if (qxl->render_update_cookie_num == 0) {
164 graphic_hw_update_done(qxl->ssd.dcl.con);
165 }
Alon Levy81fb6f12012-02-24 23:19:31 +0200166}
167
168/*
169 * use ssd.lock to protect render_update_cookie_num.
170 * qxl_render_update is called by io thread or vcpu thread, and the completion
Veres Lajos67cc32e2015-09-08 22:45:14 +0100171 * callbacks are called by spice_server thread, deferring to bh called from the
Alon Levy81fb6f12012-02-24 23:19:31 +0200172 * io thread.
173 */
174void qxl_render_update(PCIQXLDevice *qxl)
175{
176 QXLCookie *cookie;
177
178 qemu_mutex_lock(&qxl->ssd.lock);
179
Gerd Hoffmann5bd5c272018-04-27 13:55:28 +0200180 if (!runstate_is_running() || !qxl->guest_primary.commands ||
181 qxl->mode == QXL_MODE_UNDEFINED) {
Alon Levy81fb6f12012-02-24 23:19:31 +0200182 qxl_render_update_area_unlocked(qxl);
183 qemu_mutex_unlock(&qxl->ssd.lock);
Marc-André Lureaub577ab22021-02-02 00:14:22 +0400184 graphic_hw_update_done(qxl->ssd.dcl.con);
Alon Levy81fb6f12012-02-24 23:19:31 +0200185 return;
186 }
187
188 qxl->guest_primary.commands = 0;
189 qxl->render_update_cookie_num++;
190 qemu_mutex_unlock(&qxl->ssd.lock);
191 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
192 0);
193 qxl_set_rect_to_surface(qxl, &cookie->u.render.area);
194 qxl_spice_update_area(qxl, 0, &cookie->u.render.area, NULL,
195 0, 1 /* clear_dirty_region */, QXL_ASYNC, cookie);
196}
197
198void qxl_render_update_area_bh(void *opaque)
199{
200 PCIQXLDevice *qxl = opaque;
201
202 qemu_mutex_lock(&qxl->ssd.lock);
203 qxl_render_update_area_unlocked(qxl);
204 qemu_mutex_unlock(&qxl->ssd.lock);
205}
206
207void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie)
208{
209 qemu_mutex_lock(&qxl->ssd.lock);
Alon Levyd53291c2012-03-18 13:46:15 +0100210 trace_qxl_render_update_area_done(cookie);
Alon Levy81fb6f12012-02-24 23:19:31 +0200211 qemu_bh_schedule(qxl->update_area_bh);
212 qxl->render_update_cookie_num--;
213 qemu_mutex_unlock(&qxl->ssd.lock);
214 g_free(cookie);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200215}
216
Gerd Hoffmannb21330b2017-08-28 14:39:33 +0200217static void qxl_unpack_chunks(void *dest, size_t size, PCIQXLDevice *qxl,
218 QXLDataChunk *chunk, uint32_t group_id)
219{
220 uint32_t max_chunks = 32;
221 size_t offset = 0;
222 size_t bytes;
223
224 for (;;) {
225 bytes = MIN(size - offset, chunk->data_size);
226 memcpy(dest + offset, chunk->data, bytes);
227 offset += bytes;
228 if (offset == size) {
229 return;
230 }
231 chunk = qxl_phys2virt(qxl, chunk->next_chunk, group_id);
232 if (!chunk) {
233 return;
234 }
235 max_chunks--;
236 if (max_chunks == 0) {
237 return;
238 }
239 }
240}
241
242static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor,
243 uint32_t group_id)
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200244{
245 QEMUCursor *c;
Peter Wu36ffc122018-09-03 16:54:47 +0200246 uint8_t *and_mask, *xor_mask;
Markus Armbruster66d3f192011-11-09 09:52:55 +0100247 size_t size;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200248
249 c = cursor_alloc(cursor->header.width, cursor->header.height);
250 c->hot_x = cursor->header.hot_spot_x;
251 c->hot_y = cursor->header.hot_spot_y;
252 switch (cursor->header.type) {
Peter Wu36ffc122018-09-03 16:54:47 +0200253 case SPICE_CURSOR_TYPE_MONO:
254 /* Assume that the full cursor is available in a single chunk. */
255 size = 2 * cursor_get_mono_bpl(c) * c->height;
256 if (size != cursor->data_size) {
257 fprintf(stderr, "%s: bad monochrome cursor %ux%u with size %u\n",
258 __func__, c->width, c->height, cursor->data_size);
259 goto fail;
260 }
261 and_mask = cursor->chunk.data;
262 xor_mask = and_mask + cursor_get_mono_bpl(c) * c->height;
263 cursor_set_mono(c, 0xffffff, 0x000000, xor_mask, 1, and_mask);
264 if (qxl->debug > 2) {
265 cursor_print_ascii_art(c, "qxl/mono");
266 }
267 break;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200268 case SPICE_CURSOR_TYPE_ALPHA:
Gerd Hoffmannbfc10122013-06-03 10:36:54 +0200269 size = sizeof(uint32_t) * cursor->header.width * cursor->header.height;
Gerd Hoffmannb21330b2017-08-28 14:39:33 +0200270 qxl_unpack_chunks(c->data, size, qxl, &cursor->chunk, group_id);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200271 if (qxl->debug > 2) {
272 cursor_print_ascii_art(c, "qxl/alpha");
273 }
274 break;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200275 default:
276 fprintf(stderr, "%s: not implemented: type %d\n",
Alistair Francisa89f3642017-11-08 14:56:31 -0800277 __func__, cursor->header.type);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200278 goto fail;
279 }
280 return c;
281
282fail:
283 cursor_put(c);
284 return NULL;
285}
286
287
288/* called from spice server thread context only */
Alon Levyfae2afb2012-04-25 12:13:18 +0300289int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200290{
291 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
292 QXLCursor *cursor;
293 QEMUCursor *c;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200294
Alon Levyfae2afb2012-04-25 12:13:18 +0300295 if (!cmd) {
296 return 1;
297 }
298
Gerd Hoffmannc78f7132013-03-05 15:24:14 +0100299 if (!dpy_cursor_define_supported(qxl->vga.con)) {
Alon Levyfae2afb2012-04-25 12:13:18 +0300300 return 0;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200301 }
302
303 if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
Alistair Francisa89f3642017-11-08 14:56:31 -0800304 fprintf(stderr, "%s", __func__);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200305 qxl_log_cmd_cursor(qxl, cmd, ext->group_id);
306 fprintf(stderr, "\n");
307 }
308 switch (cmd->type) {
309 case QXL_CURSOR_SET:
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200310 cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id);
Alon Levyfae2afb2012-04-25 12:13:18 +0300311 if (!cursor) {
312 return 1;
313 }
Gerd Hoffmannb21330b2017-08-28 14:39:33 +0200314 c = qxl_cursor(qxl, cursor, ext->group_id);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200315 if (c == NULL) {
316 c = cursor_builtin_left_ptr();
317 }
Gerd Hoffmann07536092011-04-27 15:50:32 +0200318 qemu_mutex_lock(&qxl->ssd.lock);
319 if (qxl->ssd.cursor) {
320 cursor_put(qxl->ssd.cursor);
321 }
322 qxl->ssd.cursor = c;
323 qxl->ssd.mouse_x = cmd->u.set.position.x;
324 qxl->ssd.mouse_y = cmd->u.set.position.y;
325 qemu_mutex_unlock(&qxl->ssd.lock);
Gerd Hoffmann0b2824e2014-11-04 13:59:59 +0100326 qemu_bh_schedule(qxl->ssd.cursor_bh);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200327 break;
328 case QXL_CURSOR_MOVE:
Gerd Hoffmann07536092011-04-27 15:50:32 +0200329 qemu_mutex_lock(&qxl->ssd.lock);
330 qxl->ssd.mouse_x = cmd->u.position.x;
331 qxl->ssd.mouse_y = cmd->u.position.y;
332 qemu_mutex_unlock(&qxl->ssd.lock);
Gerd Hoffmann0b2824e2014-11-04 13:59:59 +0100333 qemu_bh_schedule(qxl->ssd.cursor_bh);
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200334 break;
335 }
Alon Levyfae2afb2012-04-25 12:13:18 +0300336 return 0;
Gerd Hoffmanna19cbfb2010-04-27 11:50:11 +0200337}