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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 <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 | ||
47b43a1f | 22 | #include "qxl.h" |
a19cbfb3 | 23 | |
e2efc0a3 | 24 | static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect) |
a19cbfb3 | 25 | { |
c78f7137 GH |
26 | DisplaySurface *surface = qemu_console_surface(qxl->vga.con); |
27 | uint8_t *dst = surface_data(surface); | |
4c19ebb5 | 28 | uint8_t *src; |
a19cbfb3 GH |
29 | int len, i; |
30 | ||
c78f7137 | 31 | if (is_buffer_shared(surface)) { |
4c19ebb5 AL |
32 | return; |
33 | } | |
34 | if (!qxl->guest_primary.data) { | |
d53291cf | 35 | trace_qxl_render_blit_guest_primary_initialized(); |
4c19ebb5 AL |
36 | qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram); |
37 | } | |
d53291cf | 38 | trace_qxl_render_blit(qxl->guest_primary.qxl_stride, |
4c19ebb5 AL |
39 | rect->left, rect->right, rect->top, rect->bottom); |
40 | src = qxl->guest_primary.data; | |
e2efc0a3 GH |
41 | if (qxl->guest_primary.qxl_stride < 0) { |
42 | /* qxl surface is upside down, walk src scanlines | |
43 | * in reverse order to flip it */ | |
44 | src += (qxl->guest_primary.surface.height - rect->top - 1) * | |
45 | qxl->guest_primary.abs_stride; | |
46 | } else { | |
47 | src += rect->top * qxl->guest_primary.abs_stride; | |
48 | } | |
0e2487bd | 49 | dst += rect->top * qxl->guest_primary.abs_stride; |
a19cbfb3 GH |
50 | src += rect->left * qxl->guest_primary.bytes_pp; |
51 | dst += rect->left * qxl->guest_primary.bytes_pp; | |
52 | len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp; | |
53 | ||
54 | for (i = rect->top; i < rect->bottom; i++) { | |
55 | memcpy(dst, src, len); | |
0e2487bd | 56 | dst += qxl->guest_primary.abs_stride; |
e2efc0a3 | 57 | src += qxl->guest_primary.qxl_stride; |
a19cbfb3 GH |
58 | } |
59 | } | |
60 | ||
61 | void qxl_render_resize(PCIQXLDevice *qxl) | |
62 | { | |
63 | QXLSurfaceCreate *sc = &qxl->guest_primary.surface; | |
64 | ||
0e2487bd GH |
65 | qxl->guest_primary.qxl_stride = sc->stride; |
66 | qxl->guest_primary.abs_stride = abs(sc->stride); | |
a19cbfb3 GH |
67 | qxl->guest_primary.resized++; |
68 | switch (sc->format) { | |
69 | case SPICE_SURFACE_FMT_16_555: | |
70 | qxl->guest_primary.bytes_pp = 2; | |
71 | qxl->guest_primary.bits_pp = 15; | |
72 | break; | |
73 | case SPICE_SURFACE_FMT_16_565: | |
74 | qxl->guest_primary.bytes_pp = 2; | |
75 | qxl->guest_primary.bits_pp = 16; | |
76 | break; | |
77 | case SPICE_SURFACE_FMT_32_xRGB: | |
78 | case SPICE_SURFACE_FMT_32_ARGB: | |
79 | qxl->guest_primary.bytes_pp = 4; | |
80 | qxl->guest_primary.bits_pp = 32; | |
81 | break; | |
82 | default: | |
83 | fprintf(stderr, "%s: unhandled format: %x\n", __FUNCTION__, | |
84 | qxl->guest_primary.surface.format); | |
85 | qxl->guest_primary.bytes_pp = 4; | |
86 | qxl->guest_primary.bits_pp = 32; | |
87 | break; | |
88 | } | |
89 | } | |
90 | ||
81fb6f15 AL |
91 | static void qxl_set_rect_to_surface(PCIQXLDevice *qxl, QXLRect *area) |
92 | { | |
93 | area->left = 0; | |
94 | area->right = qxl->guest_primary.surface.width; | |
95 | area->top = 0; | |
96 | area->bottom = qxl->guest_primary.surface.height; | |
97 | } | |
98 | ||
99 | static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) | |
a19cbfb3 GH |
100 | { |
101 | VGACommonState *vga = &qxl->vga; | |
da229ef3 | 102 | DisplaySurface *surface; |
81fb6f15 | 103 | int i; |
a19cbfb3 GH |
104 | |
105 | if (qxl->guest_primary.resized) { | |
106 | qxl->guest_primary.resized = 0; | |
b1950430 | 107 | qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram); |
81fb6f15 AL |
108 | qxl_set_rect_to_surface(qxl, &qxl->dirty[0]); |
109 | qxl->num_dirty_rects = 1; | |
d53291cf | 110 | trace_qxl_render_guest_primary_resized( |
a19cbfb3 GH |
111 | qxl->guest_primary.surface.width, |
112 | qxl->guest_primary.surface.height, | |
0e2487bd | 113 | qxl->guest_primary.qxl_stride, |
a19cbfb3 | 114 | qxl->guest_primary.bytes_pp, |
4c19ebb5 | 115 | qxl->guest_primary.bits_pp); |
4c19ebb5 | 116 | if (qxl->guest_primary.qxl_stride > 0) { |
da229ef3 | 117 | surface = qemu_create_displaysurface_from |
2f464b5a GH |
118 | (qxl->guest_primary.surface.width, |
119 | qxl->guest_primary.surface.height, | |
120 | qxl->guest_primary.bits_pp, | |
121 | qxl->guest_primary.abs_stride, | |
b1424e03 GH |
122 | qxl->guest_primary.data, |
123 | false); | |
4c19ebb5 | 124 | } else { |
da229ef3 GH |
125 | surface = qemu_create_displaysurface |
126 | (qxl->guest_primary.surface.width, | |
127 | qxl->guest_primary.surface.height); | |
4c19ebb5 | 128 | } |
c78f7137 | 129 | dpy_gfx_replace_surface(vga->con, surface); |
a19cbfb3 | 130 | } |
81fb6f15 AL |
131 | for (i = 0; i < qxl->num_dirty_rects; i++) { |
132 | if (qemu_spice_rect_is_empty(qxl->dirty+i)) { | |
a19cbfb3 GH |
133 | break; |
134 | } | |
e2efc0a3 | 135 | qxl_blit(qxl, qxl->dirty+i); |
c78f7137 | 136 | dpy_gfx_update(vga->con, |
a93a4a22 GH |
137 | qxl->dirty[i].left, qxl->dirty[i].top, |
138 | qxl->dirty[i].right - qxl->dirty[i].left, | |
139 | qxl->dirty[i].bottom - qxl->dirty[i].top); | |
a19cbfb3 | 140 | } |
81fb6f15 AL |
141 | qxl->num_dirty_rects = 0; |
142 | } | |
143 | ||
144 | /* | |
145 | * use ssd.lock to protect render_update_cookie_num. | |
146 | * qxl_render_update is called by io thread or vcpu thread, and the completion | |
147 | * callbacks are called by spice_server thread, defering to bh called from the | |
148 | * io thread. | |
149 | */ | |
150 | void qxl_render_update(PCIQXLDevice *qxl) | |
151 | { | |
152 | QXLCookie *cookie; | |
153 | ||
154 | qemu_mutex_lock(&qxl->ssd.lock); | |
155 | ||
156 | if (!runstate_is_running() || !qxl->guest_primary.commands) { | |
157 | qxl_render_update_area_unlocked(qxl); | |
158 | qemu_mutex_unlock(&qxl->ssd.lock); | |
159 | return; | |
160 | } | |
161 | ||
162 | qxl->guest_primary.commands = 0; | |
163 | qxl->render_update_cookie_num++; | |
164 | qemu_mutex_unlock(&qxl->ssd.lock); | |
165 | cookie = qxl_cookie_new(QXL_COOKIE_TYPE_RENDER_UPDATE_AREA, | |
166 | 0); | |
167 | qxl_set_rect_to_surface(qxl, &cookie->u.render.area); | |
168 | qxl_spice_update_area(qxl, 0, &cookie->u.render.area, NULL, | |
169 | 0, 1 /* clear_dirty_region */, QXL_ASYNC, cookie); | |
170 | } | |
171 | ||
172 | void qxl_render_update_area_bh(void *opaque) | |
173 | { | |
174 | PCIQXLDevice *qxl = opaque; | |
175 | ||
176 | qemu_mutex_lock(&qxl->ssd.lock); | |
177 | qxl_render_update_area_unlocked(qxl); | |
178 | qemu_mutex_unlock(&qxl->ssd.lock); | |
179 | } | |
180 | ||
181 | void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie) | |
182 | { | |
183 | qemu_mutex_lock(&qxl->ssd.lock); | |
d53291cf | 184 | trace_qxl_render_update_area_done(cookie); |
81fb6f15 AL |
185 | qemu_bh_schedule(qxl->update_area_bh); |
186 | qxl->render_update_cookie_num--; | |
187 | qemu_mutex_unlock(&qxl->ssd.lock); | |
188 | g_free(cookie); | |
a19cbfb3 GH |
189 | } |
190 | ||
191 | static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor) | |
192 | { | |
193 | QEMUCursor *c; | |
194 | uint8_t *image, *mask; | |
66d3f196 | 195 | size_t size; |
a19cbfb3 GH |
196 | |
197 | c = cursor_alloc(cursor->header.width, cursor->header.height); | |
198 | c->hot_x = cursor->header.hot_spot_x; | |
199 | c->hot_y = cursor->header.hot_spot_y; | |
200 | switch (cursor->header.type) { | |
201 | case SPICE_CURSOR_TYPE_ALPHA: | |
202 | size = cursor->header.width * cursor->header.height * sizeof(uint32_t); | |
203 | memcpy(c->data, cursor->chunk.data, size); | |
204 | if (qxl->debug > 2) { | |
205 | cursor_print_ascii_art(c, "qxl/alpha"); | |
206 | } | |
207 | break; | |
208 | case SPICE_CURSOR_TYPE_MONO: | |
209 | mask = cursor->chunk.data; | |
210 | image = mask + cursor_get_mono_bpl(c) * c->width; | |
211 | cursor_set_mono(c, 0xffffff, 0x000000, image, 1, mask); | |
212 | if (qxl->debug > 2) { | |
213 | cursor_print_ascii_art(c, "qxl/mono"); | |
214 | } | |
215 | break; | |
216 | default: | |
217 | fprintf(stderr, "%s: not implemented: type %d\n", | |
218 | __FUNCTION__, cursor->header.type); | |
219 | goto fail; | |
220 | } | |
221 | return c; | |
222 | ||
223 | fail: | |
224 | cursor_put(c); | |
225 | return NULL; | |
226 | } | |
227 | ||
228 | ||
229 | /* called from spice server thread context only */ | |
fae2afb1 | 230 | int qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext) |
a19cbfb3 GH |
231 | { |
232 | QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); | |
233 | QXLCursor *cursor; | |
234 | QEMUCursor *c; | |
a19cbfb3 | 235 | |
fae2afb1 AL |
236 | if (!cmd) { |
237 | return 1; | |
238 | } | |
239 | ||
c78f7137 | 240 | if (!dpy_cursor_define_supported(qxl->vga.con)) { |
fae2afb1 | 241 | return 0; |
a19cbfb3 GH |
242 | } |
243 | ||
244 | if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) { | |
245 | fprintf(stderr, "%s", __FUNCTION__); | |
246 | qxl_log_cmd_cursor(qxl, cmd, ext->group_id); | |
247 | fprintf(stderr, "\n"); | |
248 | } | |
249 | switch (cmd->type) { | |
250 | case QXL_CURSOR_SET: | |
a19cbfb3 | 251 | cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id); |
fae2afb1 AL |
252 | if (!cursor) { |
253 | return 1; | |
254 | } | |
a19cbfb3 GH |
255 | if (cursor->chunk.data_size != cursor->data_size) { |
256 | fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__); | |
fae2afb1 | 257 | return 1; |
a19cbfb3 GH |
258 | } |
259 | c = qxl_cursor(qxl, cursor); | |
260 | if (c == NULL) { | |
261 | c = cursor_builtin_left_ptr(); | |
262 | } | |
07536094 GH |
263 | qemu_mutex_lock(&qxl->ssd.lock); |
264 | if (qxl->ssd.cursor) { | |
265 | cursor_put(qxl->ssd.cursor); | |
266 | } | |
267 | qxl->ssd.cursor = c; | |
268 | qxl->ssd.mouse_x = cmd->u.set.position.x; | |
269 | qxl->ssd.mouse_y = cmd->u.set.position.y; | |
270 | qemu_mutex_unlock(&qxl->ssd.lock); | |
a19cbfb3 GH |
271 | break; |
272 | case QXL_CURSOR_MOVE: | |
07536094 GH |
273 | qemu_mutex_lock(&qxl->ssd.lock); |
274 | qxl->ssd.mouse_x = cmd->u.position.x; | |
275 | qxl->ssd.mouse_y = cmd->u.position.y; | |
276 | qemu_mutex_unlock(&qxl->ssd.lock); | |
a19cbfb3 GH |
277 | break; |
278 | } | |
fae2afb1 | 279 | return 0; |
a19cbfb3 | 280 | } |