PPC: e500mc: add missing IVORs to bitmap
[qemu.git] / hw / qxl-render.c
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.abs_stride;
32 dst += rect->top * qxl->guest_primary.abs_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.abs_stride;
40 src -= qxl->guest_primary.abs_stride;
41 }
42 }
43
44 void qxl_render_resize(PCIQXLDevice *qxl)
45 {
46 QXLSurfaceCreate *sc = &qxl->guest_primary.surface;
47
48 qxl->guest_primary.qxl_stride = sc->stride;
49 qxl->guest_primary.abs_stride = abs(sc->stride);
50 qxl->guest_primary.resized++;
51 switch (sc->format) {
52 case SPICE_SURFACE_FMT_16_555:
53 qxl->guest_primary.bytes_pp = 2;
54 qxl->guest_primary.bits_pp = 15;
55 break;
56 case SPICE_SURFACE_FMT_16_565:
57 qxl->guest_primary.bytes_pp = 2;
58 qxl->guest_primary.bits_pp = 16;
59 break;
60 case SPICE_SURFACE_FMT_32_xRGB:
61 case SPICE_SURFACE_FMT_32_ARGB:
62 qxl->guest_primary.bytes_pp = 4;
63 qxl->guest_primary.bits_pp = 32;
64 break;
65 default:
66 fprintf(stderr, "%s: unhandled format: %x\n", __FUNCTION__,
67 qxl->guest_primary.surface.format);
68 qxl->guest_primary.bytes_pp = 4;
69 qxl->guest_primary.bits_pp = 32;
70 break;
71 }
72 }
73
74 void qxl_render_update(PCIQXLDevice *qxl)
75 {
76 VGACommonState *vga = &qxl->vga;
77 QXLRect dirty[32], update;
78 void *ptr;
79 int i, redraw = 0;
80
81 if (!is_buffer_shared(vga->ds->surface)) {
82 dprint(qxl, 1, "%s: restoring shared displaysurface\n", __func__);
83 qxl->guest_primary.resized++;
84 qxl->guest_primary.commands++;
85 redraw = 1;
86 }
87
88 if (qxl->guest_primary.resized) {
89 qxl->guest_primary.resized = 0;
90
91 if (qxl->guest_primary.flipped) {
92 g_free(qxl->guest_primary.flipped);
93 qxl->guest_primary.flipped = NULL;
94 }
95 qemu_free_displaysurface(vga->ds);
96
97 qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram);
98 if (qxl->guest_primary.qxl_stride < 0) {
99 /* spice surface is upside down -> need extra buffer to flip */
100 qxl->guest_primary.flipped =
101 g_malloc(qxl->guest_primary.surface.width *
102 qxl->guest_primary.abs_stride);
103 ptr = qxl->guest_primary.flipped;
104 } else {
105 ptr = qxl->guest_primary.data;
106 }
107 dprint(qxl, 1, "%s: %dx%d, stride %d, bpp %d, depth %d, flip %s\n",
108 __FUNCTION__,
109 qxl->guest_primary.surface.width,
110 qxl->guest_primary.surface.height,
111 qxl->guest_primary.qxl_stride,
112 qxl->guest_primary.bytes_pp,
113 qxl->guest_primary.bits_pp,
114 qxl->guest_primary.flipped ? "yes" : "no");
115 vga->ds->surface =
116 qemu_create_displaysurface_from(qxl->guest_primary.surface.width,
117 qxl->guest_primary.surface.height,
118 qxl->guest_primary.bits_pp,
119 qxl->guest_primary.abs_stride,
120 ptr);
121 dpy_resize(vga->ds);
122 }
123
124 if (!qxl->guest_primary.commands) {
125 return;
126 }
127 qxl->guest_primary.commands = 0;
128
129 update.left = 0;
130 update.right = qxl->guest_primary.surface.width;
131 update.top = 0;
132 update.bottom = qxl->guest_primary.surface.height;
133
134 memset(dirty, 0, sizeof(dirty));
135 qxl_spice_update_area(qxl, 0, &update,
136 dirty, ARRAY_SIZE(dirty), 1, QXL_SYNC);
137 if (redraw) {
138 memset(dirty, 0, sizeof(dirty));
139 dirty[0] = update;
140 }
141
142 for (i = 0; i < ARRAY_SIZE(dirty); i++) {
143 if (qemu_spice_rect_is_empty(dirty+i)) {
144 break;
145 }
146 if (qxl->guest_primary.flipped) {
147 qxl_flip(qxl, dirty+i);
148 }
149 dpy_update(vga->ds,
150 dirty[i].left, dirty[i].top,
151 dirty[i].right - dirty[i].left,
152 dirty[i].bottom - dirty[i].top);
153 }
154 }
155
156 static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor)
157 {
158 QEMUCursor *c;
159 uint8_t *image, *mask;
160 size_t size;
161
162 c = cursor_alloc(cursor->header.width, cursor->header.height);
163 c->hot_x = cursor->header.hot_spot_x;
164 c->hot_y = cursor->header.hot_spot_y;
165 switch (cursor->header.type) {
166 case SPICE_CURSOR_TYPE_ALPHA:
167 size = cursor->header.width * cursor->header.height * sizeof(uint32_t);
168 memcpy(c->data, cursor->chunk.data, size);
169 if (qxl->debug > 2) {
170 cursor_print_ascii_art(c, "qxl/alpha");
171 }
172 break;
173 case SPICE_CURSOR_TYPE_MONO:
174 mask = cursor->chunk.data;
175 image = mask + cursor_get_mono_bpl(c) * c->width;
176 cursor_set_mono(c, 0xffffff, 0x000000, image, 1, mask);
177 if (qxl->debug > 2) {
178 cursor_print_ascii_art(c, "qxl/mono");
179 }
180 break;
181 default:
182 fprintf(stderr, "%s: not implemented: type %d\n",
183 __FUNCTION__, cursor->header.type);
184 goto fail;
185 }
186 return c;
187
188 fail:
189 cursor_put(c);
190 return NULL;
191 }
192
193
194 /* called from spice server thread context only */
195 void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
196 {
197 QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id);
198 QXLCursor *cursor;
199 QEMUCursor *c;
200
201 if (!qxl->ssd.ds->mouse_set || !qxl->ssd.ds->cursor_define) {
202 return;
203 }
204
205 if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) {
206 fprintf(stderr, "%s", __FUNCTION__);
207 qxl_log_cmd_cursor(qxl, cmd, ext->group_id);
208 fprintf(stderr, "\n");
209 }
210 switch (cmd->type) {
211 case QXL_CURSOR_SET:
212 cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id);
213 if (cursor->chunk.data_size != cursor->data_size) {
214 fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__);
215 return;
216 }
217 c = qxl_cursor(qxl, cursor);
218 if (c == NULL) {
219 c = cursor_builtin_left_ptr();
220 }
221 qemu_mutex_lock(&qxl->ssd.lock);
222 if (qxl->ssd.cursor) {
223 cursor_put(qxl->ssd.cursor);
224 }
225 qxl->ssd.cursor = c;
226 qxl->ssd.mouse_x = cmd->u.set.position.x;
227 qxl->ssd.mouse_y = cmd->u.set.position.y;
228 qemu_mutex_unlock(&qxl->ssd.lock);
229 break;
230 case QXL_CURSOR_MOVE:
231 qemu_mutex_lock(&qxl->ssd.lock);
232 qxl->ssd.mouse_x = cmd->u.position.x;
233 qxl->ssd.mouse_y = cmd->u.position.y;
234 qemu_mutex_unlock(&qxl->ssd.lock);
235 break;
236 }
237 }