root / hw / qxl-render.c @ 43997225
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1 | a19cbfb3 | Gerd Hoffmann | /*
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2 | a19cbfb3 | Gerd Hoffmann | * qxl local rendering (aka display on sdl/vnc)
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3 | a19cbfb3 | Gerd Hoffmann | *
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4 | a19cbfb3 | Gerd Hoffmann | * Copyright (C) 2010 Red Hat, Inc.
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5 | a19cbfb3 | Gerd Hoffmann | *
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6 | a19cbfb3 | Gerd Hoffmann | * maintained by Gerd Hoffmann <kraxel@redhat.com>
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7 | a19cbfb3 | Gerd Hoffmann | *
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8 | a19cbfb3 | Gerd Hoffmann | * This program is free software; you can redistribute it and/or
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9 | a19cbfb3 | Gerd Hoffmann | * modify it under the terms of the GNU General Public License as
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10 | a19cbfb3 | Gerd Hoffmann | * published by the Free Software Foundation; either version 2 or
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11 | a19cbfb3 | Gerd Hoffmann | * (at your option) version 3 of the License.
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12 | a19cbfb3 | Gerd Hoffmann | *
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13 | a19cbfb3 | Gerd Hoffmann | * This program is distributed in the hope that it will be useful,
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14 | a19cbfb3 | Gerd Hoffmann | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | a19cbfb3 | Gerd Hoffmann | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | a19cbfb3 | Gerd Hoffmann | * GNU General Public License for more details.
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17 | a19cbfb3 | Gerd Hoffmann | *
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18 | a19cbfb3 | Gerd Hoffmann | * You should have received a copy of the GNU General Public License
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19 | a19cbfb3 | Gerd Hoffmann | * along with this program; if not, see <http://www.gnu.org/licenses/>.
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20 | a19cbfb3 | Gerd Hoffmann | */
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21 | a19cbfb3 | Gerd Hoffmann | |
22 | a19cbfb3 | Gerd Hoffmann | #include "qxl.h" |
23 | a19cbfb3 | Gerd Hoffmann | |
24 | e2efc0a3 | Gerd Hoffmann | static void qxl_blit(PCIQXLDevice *qxl, QXLRect *rect) |
25 | a19cbfb3 | Gerd Hoffmann | { |
26 | 4c19ebb5 | Alon Levy | uint8_t *src; |
27 | 4c19ebb5 | Alon Levy | uint8_t *dst = qxl->vga.ds->surface->data; |
28 | a19cbfb3 | Gerd Hoffmann | int len, i;
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29 | a19cbfb3 | Gerd Hoffmann | |
30 | e2efc0a3 | Gerd Hoffmann | if (is_buffer_shared(qxl->vga.ds->surface)) {
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31 | 4c19ebb5 | Alon Levy | return;
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32 | 4c19ebb5 | Alon Levy | } |
33 | 4c19ebb5 | Alon Levy | if (!qxl->guest_primary.data) {
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34 | d53291cf | Alon Levy | trace_qxl_render_blit_guest_primary_initialized(); |
35 | 4c19ebb5 | Alon Levy | qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram); |
36 | 4c19ebb5 | Alon Levy | } |
37 | d53291cf | Alon Levy | trace_qxl_render_blit(qxl->guest_primary.qxl_stride, |
38 | 4c19ebb5 | Alon Levy | rect->left, rect->right, rect->top, rect->bottom); |
39 | 4c19ebb5 | Alon Levy | src = qxl->guest_primary.data; |
40 | e2efc0a3 | Gerd Hoffmann | if (qxl->guest_primary.qxl_stride < 0) { |
41 | e2efc0a3 | Gerd Hoffmann | /* qxl surface is upside down, walk src scanlines
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42 | e2efc0a3 | Gerd Hoffmann | * in reverse order to flip it */
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43 | e2efc0a3 | Gerd Hoffmann | src += (qxl->guest_primary.surface.height - rect->top - 1) *
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44 | e2efc0a3 | Gerd Hoffmann | qxl->guest_primary.abs_stride; |
45 | e2efc0a3 | Gerd Hoffmann | } else {
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46 | e2efc0a3 | Gerd Hoffmann | src += rect->top * qxl->guest_primary.abs_stride; |
47 | e2efc0a3 | Gerd Hoffmann | } |
48 | 0e2487bd | Gerd Hoffmann | dst += rect->top * qxl->guest_primary.abs_stride; |
49 | a19cbfb3 | Gerd Hoffmann | src += rect->left * qxl->guest_primary.bytes_pp; |
50 | a19cbfb3 | Gerd Hoffmann | dst += rect->left * qxl->guest_primary.bytes_pp; |
51 | a19cbfb3 | Gerd Hoffmann | len = (rect->right - rect->left) * qxl->guest_primary.bytes_pp; |
52 | a19cbfb3 | Gerd Hoffmann | |
53 | a19cbfb3 | Gerd Hoffmann | for (i = rect->top; i < rect->bottom; i++) {
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54 | a19cbfb3 | Gerd Hoffmann | memcpy(dst, src, len); |
55 | 0e2487bd | Gerd Hoffmann | dst += qxl->guest_primary.abs_stride; |
56 | e2efc0a3 | Gerd Hoffmann | src += qxl->guest_primary.qxl_stride; |
57 | a19cbfb3 | Gerd Hoffmann | } |
58 | a19cbfb3 | Gerd Hoffmann | } |
59 | a19cbfb3 | Gerd Hoffmann | |
60 | a19cbfb3 | Gerd Hoffmann | void qxl_render_resize(PCIQXLDevice *qxl)
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61 | a19cbfb3 | Gerd Hoffmann | { |
62 | a19cbfb3 | Gerd Hoffmann | QXLSurfaceCreate *sc = &qxl->guest_primary.surface; |
63 | a19cbfb3 | Gerd Hoffmann | |
64 | 0e2487bd | Gerd Hoffmann | qxl->guest_primary.qxl_stride = sc->stride; |
65 | 0e2487bd | Gerd Hoffmann | qxl->guest_primary.abs_stride = abs(sc->stride); |
66 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.resized++; |
67 | a19cbfb3 | Gerd Hoffmann | switch (sc->format) {
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68 | a19cbfb3 | Gerd Hoffmann | case SPICE_SURFACE_FMT_16_555:
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69 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bytes_pp = 2;
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70 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bits_pp = 15;
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71 | a19cbfb3 | Gerd Hoffmann | break;
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72 | a19cbfb3 | Gerd Hoffmann | case SPICE_SURFACE_FMT_16_565:
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73 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bytes_pp = 2;
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74 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bits_pp = 16;
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75 | a19cbfb3 | Gerd Hoffmann | break;
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76 | a19cbfb3 | Gerd Hoffmann | case SPICE_SURFACE_FMT_32_xRGB:
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77 | a19cbfb3 | Gerd Hoffmann | case SPICE_SURFACE_FMT_32_ARGB:
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78 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bytes_pp = 4;
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79 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bits_pp = 32;
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80 | a19cbfb3 | Gerd Hoffmann | break;
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81 | a19cbfb3 | Gerd Hoffmann | default:
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82 | a19cbfb3 | Gerd Hoffmann | fprintf(stderr, "%s: unhandled format: %x\n", __FUNCTION__,
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83 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.surface.format); |
84 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bytes_pp = 4;
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85 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bits_pp = 32;
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86 | a19cbfb3 | Gerd Hoffmann | break;
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87 | a19cbfb3 | Gerd Hoffmann | } |
88 | a19cbfb3 | Gerd Hoffmann | } |
89 | a19cbfb3 | Gerd Hoffmann | |
90 | 81fb6f15 | Alon Levy | static void qxl_set_rect_to_surface(PCIQXLDevice *qxl, QXLRect *area) |
91 | 81fb6f15 | Alon Levy | { |
92 | 81fb6f15 | Alon Levy | area->left = 0;
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93 | 81fb6f15 | Alon Levy | area->right = qxl->guest_primary.surface.width; |
94 | 81fb6f15 | Alon Levy | area->top = 0;
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95 | 81fb6f15 | Alon Levy | area->bottom = qxl->guest_primary.surface.height; |
96 | 81fb6f15 | Alon Levy | } |
97 | 81fb6f15 | Alon Levy | |
98 | 81fb6f15 | Alon Levy | static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) |
99 | a19cbfb3 | Gerd Hoffmann | { |
100 | a19cbfb3 | Gerd Hoffmann | VGACommonState *vga = &qxl->vga; |
101 | 81fb6f15 | Alon Levy | int i;
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102 | 4c19ebb5 | Alon Levy | DisplaySurface *surface = vga->ds->surface; |
103 | a19cbfb3 | Gerd Hoffmann | |
104 | a19cbfb3 | Gerd Hoffmann | if (qxl->guest_primary.resized) {
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105 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.resized = 0;
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106 | b1950430 | Avi Kivity | qxl->guest_primary.data = memory_region_get_ram_ptr(&qxl->vga.vram); |
107 | 81fb6f15 | Alon Levy | qxl_set_rect_to_surface(qxl, &qxl->dirty[0]);
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108 | 81fb6f15 | Alon Levy | qxl->num_dirty_rects = 1;
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109 | d53291cf | Alon Levy | trace_qxl_render_guest_primary_resized( |
110 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.surface.width, |
111 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.surface.height, |
112 | 0e2487bd | Gerd Hoffmann | qxl->guest_primary.qxl_stride, |
113 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bytes_pp, |
114 | 4c19ebb5 | Alon Levy | qxl->guest_primary.bits_pp); |
115 | 4c19ebb5 | Alon Levy | } |
116 | 4c19ebb5 | Alon Levy | if (surface->width != qxl->guest_primary.surface.width ||
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117 | 4c19ebb5 | Alon Levy | surface->height != qxl->guest_primary.surface.height) { |
118 | 4c19ebb5 | Alon Levy | if (qxl->guest_primary.qxl_stride > 0) { |
119 | 4c19ebb5 | Alon Levy | qemu_free_displaysurface(vga->ds); |
120 | a19cbfb3 | Gerd Hoffmann | qemu_create_displaysurface_from(qxl->guest_primary.surface.width, |
121 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.surface.height, |
122 | a19cbfb3 | Gerd Hoffmann | qxl->guest_primary.bits_pp, |
123 | 0e2487bd | Gerd Hoffmann | qxl->guest_primary.abs_stride, |
124 | 4c19ebb5 | Alon Levy | qxl->guest_primary.data); |
125 | 4c19ebb5 | Alon Levy | } else {
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126 | 4c19ebb5 | Alon Levy | qemu_resize_displaysurface(vga->ds, |
127 | 4c19ebb5 | Alon Levy | qxl->guest_primary.surface.width, |
128 | 4c19ebb5 | Alon Levy | qxl->guest_primary.surface.height); |
129 | 4c19ebb5 | Alon Levy | } |
130 | 06ddea49 | Alon Levy | dpy_resize(vga->ds); |
131 | a19cbfb3 | Gerd Hoffmann | } |
132 | 81fb6f15 | Alon Levy | for (i = 0; i < qxl->num_dirty_rects; i++) { |
133 | 81fb6f15 | Alon Levy | if (qemu_spice_rect_is_empty(qxl->dirty+i)) {
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134 | a19cbfb3 | Gerd Hoffmann | break;
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135 | a19cbfb3 | Gerd Hoffmann | } |
136 | e2efc0a3 | Gerd Hoffmann | qxl_blit(qxl, qxl->dirty+i); |
137 | a19cbfb3 | Gerd Hoffmann | dpy_update(vga->ds, |
138 | 81fb6f15 | Alon Levy | qxl->dirty[i].left, qxl->dirty[i].top, |
139 | 81fb6f15 | Alon Levy | qxl->dirty[i].right - qxl->dirty[i].left, |
140 | 81fb6f15 | Alon Levy | qxl->dirty[i].bottom - qxl->dirty[i].top); |
141 | a19cbfb3 | Gerd Hoffmann | } |
142 | 81fb6f15 | Alon Levy | qxl->num_dirty_rects = 0;
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143 | 81fb6f15 | Alon Levy | } |
144 | 81fb6f15 | Alon Levy | |
145 | 81fb6f15 | Alon Levy | /*
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146 | 81fb6f15 | Alon Levy | * use ssd.lock to protect render_update_cookie_num.
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147 | 81fb6f15 | Alon Levy | * qxl_render_update is called by io thread or vcpu thread, and the completion
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148 | 81fb6f15 | Alon Levy | * callbacks are called by spice_server thread, defering to bh called from the
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149 | 81fb6f15 | Alon Levy | * io thread.
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150 | 81fb6f15 | Alon Levy | */
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151 | 81fb6f15 | Alon Levy | void qxl_render_update(PCIQXLDevice *qxl)
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152 | 81fb6f15 | Alon Levy | { |
153 | 81fb6f15 | Alon Levy | QXLCookie *cookie; |
154 | 81fb6f15 | Alon Levy | |
155 | 81fb6f15 | Alon Levy | qemu_mutex_lock(&qxl->ssd.lock); |
156 | 81fb6f15 | Alon Levy | |
157 | 81fb6f15 | Alon Levy | if (!runstate_is_running() || !qxl->guest_primary.commands) {
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158 | 81fb6f15 | Alon Levy | qxl_render_update_area_unlocked(qxl); |
159 | 81fb6f15 | Alon Levy | qemu_mutex_unlock(&qxl->ssd.lock); |
160 | 81fb6f15 | Alon Levy | return;
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161 | 81fb6f15 | Alon Levy | } |
162 | 81fb6f15 | Alon Levy | |
163 | 81fb6f15 | Alon Levy | qxl->guest_primary.commands = 0;
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164 | 81fb6f15 | Alon Levy | qxl->render_update_cookie_num++; |
165 | 81fb6f15 | Alon Levy | qemu_mutex_unlock(&qxl->ssd.lock); |
166 | 81fb6f15 | Alon Levy | cookie = qxl_cookie_new(QXL_COOKIE_TYPE_RENDER_UPDATE_AREA, |
167 | 81fb6f15 | Alon Levy | 0);
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168 | 81fb6f15 | Alon Levy | qxl_set_rect_to_surface(qxl, &cookie->u.render.area); |
169 | 81fb6f15 | Alon Levy | qxl_spice_update_area(qxl, 0, &cookie->u.render.area, NULL, |
170 | 81fb6f15 | Alon Levy | 0, 1 /* clear_dirty_region */, QXL_ASYNC, cookie); |
171 | 81fb6f15 | Alon Levy | } |
172 | 81fb6f15 | Alon Levy | |
173 | 81fb6f15 | Alon Levy | void qxl_render_update_area_bh(void *opaque) |
174 | 81fb6f15 | Alon Levy | { |
175 | 81fb6f15 | Alon Levy | PCIQXLDevice *qxl = opaque; |
176 | 81fb6f15 | Alon Levy | |
177 | 81fb6f15 | Alon Levy | qemu_mutex_lock(&qxl->ssd.lock); |
178 | 81fb6f15 | Alon Levy | qxl_render_update_area_unlocked(qxl); |
179 | 81fb6f15 | Alon Levy | qemu_mutex_unlock(&qxl->ssd.lock); |
180 | 81fb6f15 | Alon Levy | } |
181 | 81fb6f15 | Alon Levy | |
182 | 81fb6f15 | Alon Levy | void qxl_render_update_area_done(PCIQXLDevice *qxl, QXLCookie *cookie)
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183 | 81fb6f15 | Alon Levy | { |
184 | 81fb6f15 | Alon Levy | qemu_mutex_lock(&qxl->ssd.lock); |
185 | d53291cf | Alon Levy | trace_qxl_render_update_area_done(cookie); |
186 | 81fb6f15 | Alon Levy | qemu_bh_schedule(qxl->update_area_bh); |
187 | 81fb6f15 | Alon Levy | qxl->render_update_cookie_num--; |
188 | 81fb6f15 | Alon Levy | qemu_mutex_unlock(&qxl->ssd.lock); |
189 | 81fb6f15 | Alon Levy | g_free(cookie); |
190 | a19cbfb3 | Gerd Hoffmann | } |
191 | a19cbfb3 | Gerd Hoffmann | |
192 | a19cbfb3 | Gerd Hoffmann | static QEMUCursor *qxl_cursor(PCIQXLDevice *qxl, QXLCursor *cursor)
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193 | a19cbfb3 | Gerd Hoffmann | { |
194 | a19cbfb3 | Gerd Hoffmann | QEMUCursor *c; |
195 | a19cbfb3 | Gerd Hoffmann | uint8_t *image, *mask; |
196 | 66d3f196 | Markus Armbruster | size_t size; |
197 | a19cbfb3 | Gerd Hoffmann | |
198 | a19cbfb3 | Gerd Hoffmann | c = cursor_alloc(cursor->header.width, cursor->header.height); |
199 | a19cbfb3 | Gerd Hoffmann | c->hot_x = cursor->header.hot_spot_x; |
200 | a19cbfb3 | Gerd Hoffmann | c->hot_y = cursor->header.hot_spot_y; |
201 | a19cbfb3 | Gerd Hoffmann | switch (cursor->header.type) {
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202 | a19cbfb3 | Gerd Hoffmann | case SPICE_CURSOR_TYPE_ALPHA:
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203 | a19cbfb3 | Gerd Hoffmann | size = cursor->header.width * cursor->header.height * sizeof(uint32_t);
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204 | a19cbfb3 | Gerd Hoffmann | memcpy(c->data, cursor->chunk.data, size); |
205 | a19cbfb3 | Gerd Hoffmann | if (qxl->debug > 2) { |
206 | a19cbfb3 | Gerd Hoffmann | cursor_print_ascii_art(c, "qxl/alpha");
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207 | a19cbfb3 | Gerd Hoffmann | } |
208 | a19cbfb3 | Gerd Hoffmann | break;
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209 | a19cbfb3 | Gerd Hoffmann | case SPICE_CURSOR_TYPE_MONO:
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210 | a19cbfb3 | Gerd Hoffmann | mask = cursor->chunk.data; |
211 | a19cbfb3 | Gerd Hoffmann | image = mask + cursor_get_mono_bpl(c) * c->width; |
212 | a19cbfb3 | Gerd Hoffmann | cursor_set_mono(c, 0xffffff, 0x000000, image, 1, mask); |
213 | a19cbfb3 | Gerd Hoffmann | if (qxl->debug > 2) { |
214 | a19cbfb3 | Gerd Hoffmann | cursor_print_ascii_art(c, "qxl/mono");
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215 | a19cbfb3 | Gerd Hoffmann | } |
216 | a19cbfb3 | Gerd Hoffmann | break;
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217 | a19cbfb3 | Gerd Hoffmann | default:
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218 | a19cbfb3 | Gerd Hoffmann | fprintf(stderr, "%s: not implemented: type %d\n",
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219 | a19cbfb3 | Gerd Hoffmann | __FUNCTION__, cursor->header.type); |
220 | a19cbfb3 | Gerd Hoffmann | goto fail;
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221 | a19cbfb3 | Gerd Hoffmann | } |
222 | a19cbfb3 | Gerd Hoffmann | return c;
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223 | a19cbfb3 | Gerd Hoffmann | |
224 | a19cbfb3 | Gerd Hoffmann | fail:
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225 | a19cbfb3 | Gerd Hoffmann | cursor_put(c); |
226 | a19cbfb3 | Gerd Hoffmann | return NULL; |
227 | a19cbfb3 | Gerd Hoffmann | } |
228 | a19cbfb3 | Gerd Hoffmann | |
229 | a19cbfb3 | Gerd Hoffmann | |
230 | a19cbfb3 | Gerd Hoffmann | /* called from spice server thread context only */
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231 | a19cbfb3 | Gerd Hoffmann | void qxl_render_cursor(PCIQXLDevice *qxl, QXLCommandExt *ext)
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232 | a19cbfb3 | Gerd Hoffmann | { |
233 | a19cbfb3 | Gerd Hoffmann | QXLCursorCmd *cmd = qxl_phys2virt(qxl, ext->cmd.data, ext->group_id); |
234 | a19cbfb3 | Gerd Hoffmann | QXLCursor *cursor; |
235 | a19cbfb3 | Gerd Hoffmann | QEMUCursor *c; |
236 | a19cbfb3 | Gerd Hoffmann | |
237 | a19cbfb3 | Gerd Hoffmann | if (!qxl->ssd.ds->mouse_set || !qxl->ssd.ds->cursor_define) {
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238 | a19cbfb3 | Gerd Hoffmann | return;
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239 | a19cbfb3 | Gerd Hoffmann | } |
240 | a19cbfb3 | Gerd Hoffmann | |
241 | a19cbfb3 | Gerd Hoffmann | if (qxl->debug > 1 && cmd->type != QXL_CURSOR_MOVE) { |
242 | a19cbfb3 | Gerd Hoffmann | fprintf(stderr, "%s", __FUNCTION__);
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243 | a19cbfb3 | Gerd Hoffmann | qxl_log_cmd_cursor(qxl, cmd, ext->group_id); |
244 | a19cbfb3 | Gerd Hoffmann | fprintf(stderr, "\n");
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245 | a19cbfb3 | Gerd Hoffmann | } |
246 | a19cbfb3 | Gerd Hoffmann | switch (cmd->type) {
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247 | a19cbfb3 | Gerd Hoffmann | case QXL_CURSOR_SET:
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248 | a19cbfb3 | Gerd Hoffmann | cursor = qxl_phys2virt(qxl, cmd->u.set.shape, ext->group_id); |
249 | a19cbfb3 | Gerd Hoffmann | if (cursor->chunk.data_size != cursor->data_size) {
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250 | a19cbfb3 | Gerd Hoffmann | fprintf(stderr, "%s: multiple chunks\n", __FUNCTION__);
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251 | a19cbfb3 | Gerd Hoffmann | return;
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252 | a19cbfb3 | Gerd Hoffmann | } |
253 | a19cbfb3 | Gerd Hoffmann | c = qxl_cursor(qxl, cursor); |
254 | a19cbfb3 | Gerd Hoffmann | if (c == NULL) { |
255 | a19cbfb3 | Gerd Hoffmann | c = cursor_builtin_left_ptr(); |
256 | a19cbfb3 | Gerd Hoffmann | } |
257 | 07536094 | Gerd Hoffmann | qemu_mutex_lock(&qxl->ssd.lock); |
258 | 07536094 | Gerd Hoffmann | if (qxl->ssd.cursor) {
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259 | 07536094 | Gerd Hoffmann | cursor_put(qxl->ssd.cursor); |
260 | 07536094 | Gerd Hoffmann | } |
261 | 07536094 | Gerd Hoffmann | qxl->ssd.cursor = c; |
262 | 07536094 | Gerd Hoffmann | qxl->ssd.mouse_x = cmd->u.set.position.x; |
263 | 07536094 | Gerd Hoffmann | qxl->ssd.mouse_y = cmd->u.set.position.y; |
264 | 07536094 | Gerd Hoffmann | qemu_mutex_unlock(&qxl->ssd.lock); |
265 | a19cbfb3 | Gerd Hoffmann | break;
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266 | a19cbfb3 | Gerd Hoffmann | case QXL_CURSOR_MOVE:
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267 | 07536094 | Gerd Hoffmann | qemu_mutex_lock(&qxl->ssd.lock); |
268 | 07536094 | Gerd Hoffmann | qxl->ssd.mouse_x = cmd->u.position.x; |
269 | 07536094 | Gerd Hoffmann | qxl->ssd.mouse_y = cmd->u.position.y; |
270 | 07536094 | Gerd Hoffmann | qemu_mutex_unlock(&qxl->ssd.lock); |
271 | a19cbfb3 | Gerd Hoffmann | break;
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272 | a19cbfb3 | Gerd Hoffmann | } |
273 | a19cbfb3 | Gerd Hoffmann | } |