root / hw / qxl-render.c @ d2d979c6
History | View | Annotate | Download (7.3 kB)
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 |
|
22 |
#include "qxl.h" |
23 |
|
24 |
static void qxl_flip(PCIQXLDevice *qxl, QXLRect *rect) |
25 |
{ |
26 |
uint8_t *src = qxl->guest_primary.data; |
27 |
uint8_t *dst = qxl->guest_primary.flipped; |
28 |
int len, i;
|
29 |
|
30 |
src += (qxl->guest_primary.surface.height - rect->top - 1) *
|
31 |
qxl->guest_primary.stride; |
32 |
dst += rect->top * qxl->guest_primary.stride; |
33 |
src += rect->left * qxl->guest_primary.bytes_pp; |
34 |
dst += rect->left * qxl->guest_primary.bytes_pp; |
35 |
len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp; |
36 |
|
37 |
for (i = rect->top; i < rect->bottom; i++) {
|
38 |
memcpy(dst, src, len); |
39 |
dst += qxl->guest_primary.stride; |
40 |
src -= qxl->guest_primary.stride; |
41 |
} |
42 |
} |
43 |
|
44 |
void qxl_render_resize(PCIQXLDevice *qxl)
|
45 |
{ |
46 |
QXLSurfaceCreate *sc = &qxl->guest_primary.surface; |
47 |
|
48 |
qxl->guest_primary.stride = sc->stride; |
49 |
qxl->guest_primary.resized++; |
50 |
switch (sc->format) {
|
51 |
case SPICE_SURFACE_FMT_16_555:
|
52 |
qxl->guest_primary.bytes_pp = 2;
|
53 |
qxl->guest_primary.bits_pp = 15;
|
54 |
break;
|
55 |
case SPICE_SURFACE_FMT_16_565:
|
56 |
qxl->guest_primary.bytes_pp = 2;
|
57 |
qxl->guest_primary.bits_pp = 16;
|
58 |
break;
|
59 |
case SPICE_SURFACE_FMT_32_xRGB:
|
60 |
case SPICE_SURFACE_FMT_32_ARGB:
|
61 |
qxl->guest_primary.bytes_pp = 4;
|
62 |
qxl->guest_primary.bits_pp = 32;
|
63 |
break;
|
64 |
default:
|
65 |
fprintf(stderr, "%s: unhandled format: %x\n", __FUNCTION__,
|
66 |
qxl->guest_primary.surface.format); |
67 |
qxl->guest_primary.bytes_pp = 4;
|
68 |
qxl->guest_primary.bits_pp = 32;
|
69 |
break;
|
70 |
} |
71 |
} |
72 |
|
73 |
void qxl_render_update(PCIQXLDevice *qxl)
|
74 |
{ |
75 |
VGACommonState *vga = &qxl->vga; |
76 |
QXLRect dirty[32], update;
|
77 |
void *ptr;
|
78 |
int i;
|
79 |
|
80 |
if (qxl->guest_primary.resized) {
|
81 |
qxl->guest_primary.resized = 0;
|
82 |
|
83 |
if (qxl->guest_primary.flipped) {
|
84 |
qemu_free(qxl->guest_primary.flipped); |
85 |
qxl->guest_primary.flipped = NULL;
|
86 |
} |
87 |
qemu_free_displaysurface(vga->ds); |
88 |
|
89 |
qxl->guest_primary.data = qemu_get_ram_ptr(qxl->vga.vram_offset); |
90 |
if (qxl->guest_primary.stride < 0) { |
91 |
/* spice surface is upside down -> need extra buffer to flip */
|
92 |
qxl->guest_primary.stride = -qxl->guest_primary.stride; |
93 |
qxl->guest_primary.flipped = qemu_malloc(qxl->guest_primary.surface.width * |
94 |
qxl->guest_primary.stride); |
95 |
ptr = qxl->guest_primary.flipped; |
96 |
} else {
|
97 |
ptr = qxl->guest_primary.data; |
98 |
} |
99 |
dprint(qxl, 1, "%s: %dx%d, stride %d, bpp %d, depth %d, flip %s\n", |
100 |
__FUNCTION__, |
101 |
qxl->guest_primary.surface.width, |
102 |
qxl->guest_primary.surface.height, |
103 |
qxl->guest_primary.stride, |
104 |
qxl->guest_primary.bytes_pp, |
105 |
qxl->guest_primary.bits_pp, |
106 |
qxl->guest_primary.flipped ? "yes" : "no"); |
107 |
vga->ds->surface = |
108 |
qemu_create_displaysurface_from(qxl->guest_primary.surface.width, |
109 |
qxl->guest_primary.surface.height, |
110 |
qxl->guest_primary.bits_pp, |
111 |
qxl->guest_primary.stride, |
112 |
ptr); |
113 |
dpy_resize(vga->ds); |
114 |
} |
115 |
|
116 |
if (!qxl->guest_primary.commands) {
|
117 |
return;
|
118 |
} |
119 |
qxl->guest_primary.commands = 0;
|
120 |
|
121 |
update.left = 0;
|
122 |
update.right = qxl->guest_primary.surface.width; |
123 |
update.top = 0;
|
124 |
update.bottom = qxl->guest_primary.surface.height; |
125 |
|
126 |
memset(dirty, 0, sizeof(dirty)); |
127 |
qxl->ssd.worker->update_area(qxl->ssd.worker, 0, &update,
|
128 |
dirty, ARRAY_SIZE(dirty), 1);
|
129 |
|
130 |
for (i = 0; i < ARRAY_SIZE(dirty); i++) { |
131 |
if (qemu_spice_rect_is_empty(dirty+i)) {
|
132 |
break;
|
133 |
} |
134 |
if (qxl->guest_primary.flipped) {
|
135 |
qxl_flip(qxl, dirty+i); |
136 |
} |
137 |
dpy_update(vga->ds, |
138 |
dirty[i].left, dirty[i].top, |
139 |
dirty[i].right - dirty[i].left, |
140 |
dirty[i].bottom - dirty[i].top); |
141 |
} |
142 |
} |
143 |
|
144 |
static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor)
|
145 |
{ |
146 |
QEMUCursor *c; |
147 |
uint8_t *image, *mask; |
148 |
int size;
|
149 |
|
150 |
c = cursor_alloc(cursor->header.width, cursor->header.height); |
151 |
c->hot_x = cursor->header.hot_spot_x; |
152 |
c->hot_y = cursor->header.hot_spot_y; |
153 |
switch (cursor->header.type) {
|
154 |
case SPICE_CURSOR_TYPE_ALPHA:
|
155 |
size = cursor->header.width * cursor->header.height * sizeof(uint32_t);
|
156 |
memcpy(c->data, cursor->chunk.data, size); |
157 |
if (qxl->debug > 2) { |
158 |
cursor_print_ascii_art(c, "qxl/alpha");
|
159 |
} |
160 |
break;
|
161 |
case SPICE_CURSOR_TYPE_MONO:
|
162 |
mask = cursor->chunk.data; |
163 |
image = mask + cursor_get_mono_bpl(c) * c->width; |
164 |
cursor_set_mono(c, 0xffffff, 0x000000, image, 1, mask); |
165 |
if (qxl->debug > 2) { |
166 |
cursor_print_ascii_art(c, "qxl/mono");
|
167 |
} |
168 |
break;
|
169 |
default:
|
170 |
fprintf(stderr, "%s: not implemented: type %d\n",
|
171 |
__FUNCTION__, cursor->header.type); |
172 |
goto fail;
|
173 |
} |
174 |
return c;
|
175 |
|
176 |
fail:
|
177 |
cursor_put(c); |
178 |
return NULL; |
179 |
} |
180 |
|
181 |
|
182 |
/* called from spice server thread context only */
|
183 |
void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
|
184 |
{ |
185 |
QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); |
186 |
QXLCursor *cursor; |
187 |
QEMUCursor *c; |
188 |
int x = -1, y = -1; |
189 |
|
190 |
if (!qxl->ssd.ds->mouse_set || !qxl->ssd.ds->cursor_define) {
|
191 |
return;
|
192 |
} |
193 |
|
194 |
if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) { |
195 |
fprintf(stderr, "%s", __FUNCTION__);
|
196 |
qxl_log_cmd_cursor(qxl, cmd, ext->group_id); |
197 |
fprintf(stderr, "\n");
|
198 |
} |
199 |
switch (cmd->type) {
|
200 |
case QXL_CURSOR_SET:
|
201 |
x = cmd->u.set.position.x; |
202 |
y = cmd->u.set.position.y; |
203 |
cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id); |
204 |
if (cursor->chunk.data_size != cursor->data_size) {
|
205 |
fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__);
|
206 |
return;
|
207 |
} |
208 |
c = qxl_cursor(qxl, cursor); |
209 |
if (c == NULL) { |
210 |
c = cursor_builtin_left_ptr(); |
211 |
} |
212 |
qemu_mutex_lock_iothread(); |
213 |
qxl->ssd.ds->cursor_define(c); |
214 |
qxl->ssd.ds->mouse_set(x, y, 1);
|
215 |
qemu_mutex_unlock_iothread(); |
216 |
cursor_put(c); |
217 |
break;
|
218 |
case QXL_CURSOR_MOVE:
|
219 |
x = cmd->u.position.x; |
220 |
y = cmd->u.position.y; |
221 |
qemu_mutex_lock_iothread(); |
222 |
qxl->ssd.ds->mouse_set(x, y, 1);
|
223 |
qemu_mutex_unlock_iothread(); |
224 |
break;
|
225 |
} |
226 |
} |