2 * qxl local rendering (aka display on sdl/vnc)
4 * Copyright (C) 2010 Red Hat, Inc.
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.
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.
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/>.
22 #include "qemu/osdep.h"
24 #include "sysemu/runstate.h"
27 static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
29 DisplaySurface *surface = qemu_console_surface(qxl->vga.con);
30 uint8_t *dst = surface_data(surface);
34 if (is_buffer_shared(surface)) {
37 trace_qxl_render_blit(qxl->guest_primary.qxl_stride,
38 rect->left, rect->right, rect->top, rect->bottom);
39 src = qxl->guest_primary.data;
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;
46 src += rect->top * qxl->guest_primary.abs_stride;
48 dst += rect->top * qxl->guest_primary.abs_stride;
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;
53 for (i = rect->top; i < rect->bottom; i++) {
54 memcpy(dst, src, len);
55 dst += qxl->guest_primary.abs_stride;
56 src += qxl->guest_primary.qxl_stride;
60 void qxl_render_resize(PCIQXLDevice *qxl)
62 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
64 qxl->guest_primary.qxl_stride = sc->stride;
65 qxl->guest_primary.abs_stride = abs(sc->stride);
66 qxl->guest_primary.resized++;
68 case SPICE_SURFACE_FMT_16_555:
69 qxl->guest_primary.bytes_pp = 2;
70 qxl->guest_primary.bits_pp = 15;
72 case SPICE_SURFACE_FMT_16_565:
73 qxl->guest_primary.bytes_pp = 2;
74 qxl->guest_primary.bits_pp = 16;
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;
82 fprintf(stderr, "%s: unhandled format: %x\n", __func__,
83 qxl->guest_primary.surface.format);
84 qxl->guest_primary.bytes_pp = 4;
85 qxl->guest_primary.bits_pp = 32;
90 static void qxl_set_rect_to_surface(PCIQXLDevice *qxl, QXLRect *area)
93 area->right = qxl->guest_primary.surface.width;
95 area->bottom = qxl->guest_primary.surface.height;
98 static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl)
100 VGACommonState *vga = &qxl->vga;
101 DisplaySurface *surface;
102 int width = qxl->guest_head0_width ?: qxl->guest_primary.surface.width;
103 int height = qxl->guest_head0_height ?: qxl->guest_primary.surface.height;
106 if (qxl->guest_primary.resized) {
107 qxl->guest_primary.resized = 0;
108 qxl->guest_primary.data = qxl_phys2virt(qxl,
109 qxl->guest_primary.surface.mem,
110 MEMSLOT_GROUP_GUEST);
111 if (!qxl->guest_primary.data) {
114 qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
115 qxl->num_dirty_rects = 1;
116 trace_qxl_render_guest_primary_resized(
119 qxl->guest_primary.qxl_stride,
120 qxl->guest_primary.bytes_pp,
121 qxl->guest_primary.bits_pp);
122 if (qxl->guest_primary.qxl_stride > 0) {
123 pixman_format_code_t format =
124 qemu_default_pixman_format(qxl->guest_primary.bits_pp, true);
125 surface = qemu_create_displaysurface_from
129 qxl->guest_primary.abs_stride,
130 qxl->guest_primary.data);
132 surface = qemu_create_displaysurface
136 dpy_gfx_replace_surface(vga->con, surface);
139 if (!qxl->guest_primary.data) {
142 for (i = 0; i < qxl->num_dirty_rects; i++) {
143 if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
146 if (qxl->dirty[i].left < 0 ||
147 qxl->dirty[i].top < 0 ||
148 qxl->dirty[i].left > qxl->dirty[i].right ||
149 qxl->dirty[i].top > qxl->dirty[i].bottom ||
150 qxl->dirty[i].right > width ||
151 qxl->dirty[i].bottom > height) {
154 qxl_blit(qxl, qxl->dirty+i);
155 dpy_gfx_update(vga->con,
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);
160 qxl->num_dirty_rects = 0;
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
166 * callbacks are called by spice_server thread, deferring to bh called from the
169 void qxl_render_update(PCIQXLDevice *qxl)
173 qemu_mutex_lock(&qxl->ssd.lock);
175 if (!runstate_is_running() || !qxl->guest_primary.commands ||
176 qxl->mode == QXL_MODE_UNDEFINED) {
177 qxl_render_update_area_unlocked(qxl);
178 qemu_mutex_unlock(&qxl->ssd.lock);
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,
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);
192 void qxl_render_update_area_bh(void *opaque)
194 PCIQXLDevice *qxl = opaque;
196 qemu_mutex_lock(&qxl->ssd.lock);
197 qxl_render_update_area_unlocked(qxl);
198 qemu_mutex_unlock(&qxl->ssd.lock);
201 void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie)
203 qemu_mutex_lock(&qxl->ssd.lock);
204 trace_qxl_render_update_area_done(cookie);
205 qemu_bh_schedule(qxl->update_area_bh);
206 qxl->render_update_cookie_num--;
207 qemu_mutex_unlock(&qxl->ssd.lock);
211 static void qxl_unpack_chunks(void *dest, size_t size, PCIQXLDevice *qxl,
212 QXLDataChunk *chunk, uint32_t group_id)
214 uint32_t max_chunks = 32;
219 bytes = MIN(size - offset, chunk->data_size);
220 memcpy(dest + offset, chunk->data, bytes);
222 if (offset == size) {
225 chunk = qxl_phys2virt(qxl, chunk->next_chunk, group_id);
230 if (max_chunks == 0) {
236 static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor,
240 uint8_t *and_mask, *xor_mask;
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) {
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);
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");
262 case SPICE_CURSOR_TYPE_ALPHA:
263 size = sizeof(uint32_t) * cursor->header.width * cursor->header.height;
264 qxl_unpack_chunks(c->data, size, qxl, &cursor->chunk, group_id);
265 if (qxl->debug > 2) {
266 cursor_print_ascii_art(c, "qxl/alpha");
270 fprintf(stderr, "%s: not implemented: type %d\n",
271 __func__, cursor->header.type);
282 /* called from spice server thread context only */
283 int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
285 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
293 if (!dpy_cursor_define_supported(qxl->vga.con)) {
297 if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
298 fprintf(stderr, "%s", __func__);
299 qxl_log_cmd_cursor(qxl, cmd, ext->group_id);
300 fprintf(stderr, "\n");
304 cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id);
308 c = qxl_cursor(qxl, cursor, ext->group_id);
310 c = cursor_builtin_left_ptr();
312 qemu_mutex_lock(&qxl->ssd.lock);
313 if (qxl->ssd.cursor) {
314 cursor_put(qxl->ssd.cursor);
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);
320 qemu_bh_schedule(qxl->ssd.cursor_bh);
322 case QXL_CURSOR_MOVE:
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);
327 qemu_bh_schedule(qxl->ssd.cursor_bh);