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22#include "qemu/osdep.h"
23#include "qxl.h"
24#include "sysemu/runstate.h"
25#include "trace.h"
26
27static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect)
28{
29 DisplaySurface *surface = qemu_console_surface(qxl->vga.con);
30 uint8_t *dst = surface_data(surface);
31 uint8_t *src;
32 int len, i;
33
34 if (is_buffer_shared(surface)) {
35 return;
36 }
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
42
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 }
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;
52
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;
57 }
58}
59
60void qxl_render_resize(PCIQXLDevice *qxl)
61{
62 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
63
64 qxl->guest_primary.qxl_stride = sc->stride;
65 qxl->guest_primary.abs_stride = abs(sc->stride);
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:
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;
86 break;
87 }
88}
89
90static 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)
99{
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;
104 int i;
105
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 qxl->guest_primary.abs_stride
112 * height);
113 if (!qxl->guest_primary.data) {
114 goto end;
115 }
116 qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
117 qxl->num_dirty_rects = 1;
118 trace_qxl_render_guest_primary_resized(
119 width,
120 height,
121 qxl->guest_primary.qxl_stride,
122 qxl->guest_primary.bytes_pp,
123 qxl->guest_primary.bits_pp);
124 if (qxl->guest_primary.qxl_stride > 0) {
125 pixman_format_code_t format =
126 qemu_default_pixman_format(qxl->guest_primary.bits_pp, true);
127 surface = qemu_create_displaysurface_from
128 (width,
129 height,
130 format,
131 qxl->guest_primary.abs_stride,
132 qxl->guest_primary.data);
133 } else {
134 surface = qemu_create_displaysurface
135 (width,
136 height);
137 }
138 dpy_gfx_replace_surface(vga->con, surface);
139 }
140
141 if (!qxl->guest_primary.data) {
142 goto end;
143 }
144 for (i = 0; i < qxl->num_dirty_rects; i++) {
145 if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
146 break;
147 }
148 if (qxl->dirty[i].left < 0 ||
149 qxl->dirty[i].top < 0 ||
150 qxl->dirty[i].left > qxl->dirty[i].right ||
151 qxl->dirty[i].top > qxl->dirty[i].bottom ||
152 qxl->dirty[i].right > width ||
153 qxl->dirty[i].bottom > height) {
154 continue;
155 }
156 qxl_blit(qxl, qxl->dirty+i);
157 dpy_gfx_update(vga->con,
158 qxl->dirty[i].left, qxl->dirty[i].top,
159 qxl->dirty[i].right - qxl->dirty[i].left,
160 qxl->dirty[i].bottom - qxl->dirty[i].top);
161 }
162 qxl->num_dirty_rects = 0;
163
164end:
165 if (qxl->render_update_cookie_num == 0) {
166 graphic_hw_update_done(qxl->ssd.dcl.con);
167 }
168}
169
170
171
172
173
174
175
176void qxl_render_update(PCIQXLDevice *qxl)
177{
178 QXLCookie *cookie;
179
180 qemu_mutex_lock(&qxl->ssd.lock);
181
182 if (!runstate_is_running() || !qxl->guest_primary.commands ||
183 qxl->mode == QXL_MODE_UNDEFINED) {
184 qxl_render_update_area_unlocked(qxl);
185 qemu_mutex_unlock(&qxl->ssd.lock);
186 graphic_hw_update_done(qxl->ssd.dcl.con);
187 return;
188 }
189
190 qxl->guest_primary.commands = 0;
191 qxl->render_update_cookie_num++;
192 qemu_mutex_unlock(&qxl->ssd.lock);
193 cookie = qxl_cookie_new(QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
194 0);
195 qxl_set_rect_to_surface(qxl, &cookie->u.render.area);
196 qxl_spice_update_area(qxl, 0, &cookie->u.render.area, NULL,
197 0, 1 , QXL_ASYNC, cookie);
198}
199
200void qxl_render_update_area_bh(void *opaque)
201{
202 PCIQXLDevice *qxl = opaque;
203
204 qemu_mutex_lock(&qxl->ssd.lock);
205 qxl_render_update_area_unlocked(qxl);
206 qemu_mutex_unlock(&qxl->ssd.lock);
207}
208
209void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie)
210{
211 qemu_mutex_lock(&qxl->ssd.lock);
212 trace_qxl_render_update_area_done(cookie);
213 qemu_bh_schedule(qxl->update_area_bh);
214 qxl->render_update_cookie_num--;
215 qemu_mutex_unlock(&qxl->ssd.lock);
216 g_free(cookie);
217}
218
219static void qxl_unpack_chunks(void *dest, size_t size, PCIQXLDevice *qxl,
220 QXLDataChunk *chunk, uint32_t group_id)
221{
222 uint32_t max_chunks = 32;
223 size_t offset = 0;
224 size_t bytes;
225
226 for (;;) {
227 bytes = MIN(size - offset, chunk->data_size);
228 memcpy(dest + offset, chunk->data, bytes);
229 offset += bytes;
230 if (offset == size) {
231 return;
232 }
233 chunk = qxl_phys2virt(qxl, chunk->next_chunk, group_id,
234 sizeof(QXLDataChunk) + chunk->data_size);
235 if (!chunk) {
236 return;
237 }
238 max_chunks--;
239 if (max_chunks == 0) {
240 return;
241 }
242 }
243}
244
245static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor,
246 uint32_t group_id)
247{
248 QEMUCursor *c;
249 uint8_t *and_mask, *xor_mask;
250 size_t size;
251
252 c = cursor_alloc(cursor->header.width, cursor->header.height);
253
254 if (!c) {
255 qxl_set_guest_bug(qxl, "%s: cursor %ux%u alloc error", __func__,
256 cursor->header.width, cursor->header.height);
257 goto fail;
258 }
259
260 c->hot_x = cursor->header.hot_spot_x;
261 c->hot_y = cursor->header.hot_spot_y;
262 switch (cursor->header.type) {
263 case SPICE_CURSOR_TYPE_MONO:
264
265 size = 2 * cursor_get_mono_bpl(c) * c->height;
266 if (size != cursor->data_size) {
267 fprintf(stderr, "%s: bad monochrome cursor %ux%u with size %u\n",
268 __func__, c->width, c->height, cursor->data_size);
269 goto fail;
270 }
271 and_mask = cursor->chunk.data;
272 xor_mask = and_mask + cursor_get_mono_bpl(c) * c->height;
273 cursor_set_mono(c, 0xffffff, 0x000000, xor_mask, 1, and_mask);
274 if (qxl->debug > 2) {
275 cursor_print_ascii_art(c, "qxl/mono");
276 }
277 break;
278 case SPICE_CURSOR_TYPE_ALPHA:
279 size = sizeof(uint32_t) * c->width * c->height;
280 qxl_unpack_chunks(c->data, size, qxl, &cursor->chunk, group_id);
281 if (qxl->debug > 2) {
282 cursor_print_ascii_art(c, "qxl/alpha");
283 }
284 break;
285 default:
286 fprintf(stderr, "%s: not implemented: type %d\n",
287 __func__, cursor->header.type);
288 goto fail;
289 }
290 return c;
291
292fail:
293 cursor_unref(c);
294 return NULL;
295}
296
297
298
299int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
300{
301 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id,
302 sizeof(QXLCursorCmd));
303 QXLCursor *cursor;
304 QEMUCursor *c;
305
306 if (!cmd) {
307 return 1;
308 }
309
310 if (!dpy_cursor_define_supported(qxl->vga.con)) {
311 return 0;
312 }
313
314 if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
315 fprintf(stderr, "%s", __func__);
316 qxl_log_cmd_cursor(qxl, cmd, ext->group_id);
317 fprintf(stderr, "\n");
318 }
319 switch (cmd->type) {
320 case QXL_CURSOR_SET:
321
322 cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id,
323 sizeof(QXLCursor));
324 if (!cursor) {
325 return 1;
326 }
327
328 cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id,
329 sizeof(QXLCursor) + cursor->chunk.data_size);
330 if (!cursor) {
331 return 1;
332 }
333 c = qxl_cursor(qxl, cursor, ext->group_id);
334 if (c == NULL) {
335 c = cursor_builtin_left_ptr();
336 }
337 qemu_mutex_lock(&qxl->ssd.lock);
338 if (qxl->ssd.cursor) {
339 cursor_unref(qxl->ssd.cursor);
340 }
341 qxl->ssd.cursor = c;
342 qxl->ssd.mouse_x = cmd->u.set.position.x;
343 qxl->ssd.mouse_y = cmd->u.set.position.y;
344 qemu_mutex_unlock(&qxl->ssd.lock);
345 qemu_bh_schedule(qxl->ssd.cursor_bh);
346 break;
347 case QXL_CURSOR_MOVE:
348 qemu_mutex_lock(&qxl->ssd.lock);
349 qxl->ssd.mouse_x = cmd->u.position.x;
350 qxl->ssd.mouse_y = cmd->u.position.y;
351 qemu_mutex_unlock(&qxl->ssd.lock);
352 qemu_bh_schedule(qxl->ssd.cursor_bh);
353 break;
354 }
355 return 0;
356}
357
