1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
#include "qemu/osdep.h"
#include "qemu/module.h"
#include "sysemu/sysemu.h"
#include "ui/console.h"
#include "ui/egl-helpers.h"
#include "ui/egl-context.h"
#include "ui/shader.h"
typedef struct egl_dpy {
DisplayChangeListener dcl;
DisplaySurface *ds;
QemuGLShader *gls;
egl_fb guest_fb;
egl_fb cursor_fb;
egl_fb blit_fb;
bool y_0_top;
uint32_t pos_x;
uint32_t pos_y;
} egl_dpy;
/* ------------------------------------------------------------------ */
static void egl_refresh(DisplayChangeListener *dcl)
{
graphic_hw_update(dcl->con);
}
static void egl_gfx_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
}
static void egl_gfx_switch(DisplayChangeListener *dcl,
struct DisplaySurface *new_surface)
{
egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);
edpy->ds = new_surface;
}
static QEMUGLContext egl_create_context(DisplayChangeListener *dcl,
QEMUGLParams *params)
{
eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE,
qemu_egl_rn_ctx);
return qemu_egl_create_context(dcl, params);
}
static void egl_scanout_disable(DisplayChangeListener *dcl)
{
egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);
egl_fb_destroy(&edpy->guest_fb);
egl_fb_destroy(&edpy->blit_fb);
}
static void egl_scanout_texture(DisplayChangeListener *dcl,
uint32_t backing_id,
bool backing_y_0_top,
uint32_t backing_width,
uint32_t backing_height,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h)
{
egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);
edpy->y_0_top = backing_y_0_top;
/* source framebuffer */
egl_fb_setup_for_tex(&edpy->guest_fb,
backing_width, backing_height, backing_id, false);
/* dest framebuffer */
if (edpy->blit_fb.width != backing_width ||
edpy->blit_fb.height != backing_height) {
egl_fb_destroy(&edpy->blit_fb);
egl_fb_setup_new_tex(&edpy->blit_fb, backing_width, backing_height);
}
}
static void egl_scanout_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf)
{
egl_dmabuf_import_texture(dmabuf);
if (!dmabuf->texture) {
return;
}
egl_scanout_texture(dcl, dmabuf->texture,
false, dmabuf->width, dmabuf->height,
0, 0, dmabuf->width, dmabuf->height);
}
static void egl_cursor_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf, bool have_hot,
uint32_t hot_x, uint32_t hot_y)
{
egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);
if (dmabuf) {
egl_dmabuf_import_texture(dmabuf);
if (!dmabuf->texture) {
return;
}
egl_fb_setup_for_tex(&edpy->cursor_fb, dmabuf->width, dmabuf->height,
dmabuf->texture, false);
} else {
egl_fb_destroy(&edpy->cursor_fb);
}
}
static void egl_cursor_position(DisplayChangeListener *dcl,
uint32_t pos_x, uint32_t pos_y)
{
egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);
edpy->pos_x = pos_x;
edpy->pos_y = pos_y;
}
static void egl_release_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf)
{
egl_dmabuf_release_texture(dmabuf);
}
static void egl_scanout_flush(DisplayChangeListener *dcl,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h)
{
egl_dpy *edpy = container_of(dcl, egl_dpy, dcl);
if (!edpy->guest_fb.texture || !edpy->ds) {
return;
}
assert(surface_format(edpy->ds) == PIXMAN_x8r8g8b8);
if (edpy->cursor_fb.texture) {
/* have cursor -> render using textures */
egl_texture_blit(edpy->gls, &edpy->blit_fb, &edpy->guest_fb,
!edpy->y_0_top);
egl_texture_blend(edpy->gls, &edpy->blit_fb, &edpy->cursor_fb,
!edpy->y_0_top, edpy->pos_x, edpy->pos_y,
1.0, 1.0);
} else {
/* no cursor -> use simple framebuffer blit */
egl_fb_blit(&edpy->blit_fb, &edpy->guest_fb, edpy->y_0_top);
}
egl_fb_read(edpy->ds, &edpy->blit_fb);
dpy_gfx_update(edpy->dcl.con, x, y, w, h);
}
static const DisplayChangeListenerOps egl_ops = {
.dpy_name = "egl-headless",
.dpy_refresh = egl_refresh,
.dpy_gfx_update = egl_gfx_update,
.dpy_gfx_switch = egl_gfx_switch,
.dpy_gl_ctx_create = egl_create_context,
.dpy_gl_ctx_destroy = qemu_egl_destroy_context,
.dpy_gl_ctx_make_current = qemu_egl_make_context_current,
.dpy_gl_scanout_disable = egl_scanout_disable,
.dpy_gl_scanout_texture = egl_scanout_texture,
.dpy_gl_scanout_dmabuf = egl_scanout_dmabuf,
.dpy_gl_cursor_dmabuf = egl_cursor_dmabuf,
.dpy_gl_cursor_position = egl_cursor_position,
.dpy_gl_release_dmabuf = egl_release_dmabuf,
.dpy_gl_update = egl_scanout_flush,
};
static void early_egl_headless_init(DisplayOptions *opts)
{
display_opengl = 1;
}
static void egl_headless_init(DisplayState *ds, DisplayOptions *opts)
{
DisplayGLMode mode = opts->has_gl ? opts->gl : DISPLAYGL_MODE_ON;
QemuConsole *con;
egl_dpy *edpy;
int idx;
if (egl_rendernode_init(opts->u.egl_headless.rendernode, mode) < 0) {
error_report("egl: render node init failed");
exit(1);
}
for (idx = 0;; idx++) {
con = qemu_console_lookup_by_index(idx);
if (!con || !qemu_console_is_graphic(con)) {
break;
}
edpy = g_new0(egl_dpy, 1);
edpy->dcl.con = con;
edpy->dcl.ops = &egl_ops;
edpy->gls = qemu_gl_init_shader();
register_displaychangelistener(&edpy->dcl);
}
}
static QemuDisplay qemu_display_egl = {
.type = DISPLAY_TYPE_EGL_HEADLESS,
.early_init = early_egl_headless_init,
.init = egl_headless_init,
};
static void register_egl(void)
{
qemu_display_register(&qemu_display_egl);
}
type_init(register_egl);
|
