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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 if (!qxl->guest_primary.data) {
112 return;
113 }
114 qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
115 qxl->num_dirty_rects = 1;
116 trace_qxl_render_guest_primary_resized(
117 width,
118 height,
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
126 (width,
127 height,
128 format,
129 qxl->guest_primary.abs_stride,
130 qxl->guest_primary.data);
131 } else {
132 surface = qemu_create_displaysurface
133 (width,
134 height);
135 }
136 dpy_gfx_replace_surface(vga->con, surface);
137 }
138
139 if (!qxl->guest_primary.data) {
140 return;
141 }
142 for (i = 0; i < qxl->num_dirty_rects; i++) {
143 if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
144 break;
145 }
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) {
152 continue;
153 }
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);
159 }
160 qxl->num_dirty_rects = 0;
161}
162
163
164
165
166
167
168
169void qxl_render_update(PCIQXLDevice *qxl)
170{
171 QXLCookie *cookie;
172
173 qemu_mutex_lock(&qxl->ssd.lock);
174
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);
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 , QXL_ASYNC, cookie);
190}
191
192void 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
201void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie)
202{
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);
208 g_free(cookie);
209}
210
211static 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
236static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor,
237 uint32_t group_id)
238{
239 QEMUCursor *c;
240 uint8_t *and_mask, *xor_mask;
241 size_t size;
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) {
247 case SPICE_CURSOR_TYPE_MONO:
248
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;
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");
267 }
268 break;
269 default:
270 fprintf(stderr, "%s: not implemented: type %d\n",
271 __func__, cursor->header.type);
272 goto fail;
273 }
274 return c;
275
276fail:
277 cursor_put(c);
278 return NULL;
279}
280
281
282
283int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
284{
285 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
286 QXLCursor *cursor;
287 QEMUCursor *c;
288
289 if (!cmd) {
290 return 1;
291 }
292
293 if (!dpy_cursor_define_supported(qxl->vga.con)) {
294 return 0;
295 }
296
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");
301 }
302 switch (cmd->type) {
303 case QXL_CURSOR_SET:
304 cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id);
305 if (!cursor) {
306 return 1;
307 }
308 c = qxl_cursor(qxl, cursor, ext->group_id);
309 if (c == NULL) {
310 c = cursor_builtin_left_ptr();
311 }
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);
320 qemu_bh_schedule(qxl->ssd.cursor_bh);
321 break;
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);
328 break;
329 }
330 return 0;
331}
332
