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dbus-listener.c
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dbus-listener.c
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/*
* QEMU DBus display console
*
* Copyright (c) 2021 Marc-André Lureau <marcandre.lureau@redhat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "sysemu/sysemu.h"
#include "dbus.h"
#ifdef G_OS_UNIX
#include <gio/gunixfdlist.h>
#endif
#ifdef WIN32
#include <d3d11.h>
#include <dxgi1_2.h>
#endif
#ifdef CONFIG_OPENGL
#include "ui/shader.h"
#include "ui/egl-helpers.h"
#include "ui/egl-context.h"
#include "ui/qemu-pixman.h"
#endif
#include "trace.h"
static void dbus_gfx_switch(DisplayChangeListener *dcl,
struct DisplaySurface *new_surface);
enum share_kind {
SHARE_KIND_NONE,
SHARE_KIND_MAPPED,
SHARE_KIND_D3DTEX,
};
struct _DBusDisplayListener {
GObject parent;
char *bus_name;
DBusDisplayConsole *console;
GDBusConnection *conn;
QemuDBusDisplay1Listener *proxy;
#ifdef CONFIG_PIXMAN
/* Keep track of the damage region */
pixman_region32_t gl_damage;
#else
int gl_damage;
#endif
DisplayChangeListener dcl;
DisplaySurface *ds;
enum share_kind ds_share;
bool ds_mapped;
bool can_share_map;
#ifdef WIN32
QemuDBusDisplay1ListenerWin32Map *map_proxy;
QemuDBusDisplay1ListenerWin32D3d11 *d3d11_proxy;
HANDLE peer_process;
ID3D11Texture2D *d3d_texture;
#ifdef CONFIG_OPENGL
egl_fb fb;
#endif
#endif
guint dbus_filter;
guint32 out_serial_to_discard;
};
G_DEFINE_TYPE(DBusDisplayListener, dbus_display_listener, G_TYPE_OBJECT)
static void dbus_gfx_update(DisplayChangeListener *dcl,
int x, int y, int w, int h);
static void ddl_discard_pending_messages(DBusDisplayListener *ddl)
{
ddl->out_serial_to_discard = g_dbus_connection_get_last_serial(
g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy)));
}
#ifdef CONFIG_OPENGL
static void dbus_scanout_disable(DisplayChangeListener *dcl)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
qemu_dbus_display1_listener_call_disable(
ddl->proxy, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
}
#ifdef WIN32
static bool d3d_texture2d_share(ID3D11Texture2D *d3d_texture,
HANDLE *handle, Error **errp)
{
IDXGIResource1 *dxgiResource = NULL;
HRESULT hr;
hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture,
&IID_IDXGIResource1,
(void **)&dxgiResource);
if (FAILED(hr)) {
goto fail;
}
hr = dxgiResource->lpVtbl->CreateSharedHandle(
dxgiResource,
NULL,
DXGI_SHARED_RESOURCE_READ | DXGI_SHARED_RESOURCE_WRITE,
NULL,
handle
);
dxgiResource->lpVtbl->Release(dxgiResource);
if (SUCCEEDED(hr)) {
return true;
}
fail:
error_setg_win32(errp, GetLastError(), "failed to create shared handle");
return false;
}
static bool d3d_texture2d_acquire0(ID3D11Texture2D *d3d_texture, Error **errp)
{
IDXGIKeyedMutex *dxgiMutex = NULL;
HRESULT hr;
hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture,
&IID_IDXGIKeyedMutex,
(void **)&dxgiMutex);
if (FAILED(hr)) {
goto fail;
}
hr = dxgiMutex->lpVtbl->AcquireSync(dxgiMutex, 0, INFINITE);
dxgiMutex->lpVtbl->Release(dxgiMutex);
if (SUCCEEDED(hr)) {
return true;
}
fail:
error_setg_win32(errp, GetLastError(), "failed to acquire texture mutex");
return false;
}
static bool d3d_texture2d_release0(ID3D11Texture2D *d3d_texture, Error **errp)
{
IDXGIKeyedMutex *dxgiMutex = NULL;
HRESULT hr;
hr = d3d_texture->lpVtbl->QueryInterface(d3d_texture,
&IID_IDXGIKeyedMutex,
(void **)&dxgiMutex);
if (FAILED(hr)) {
goto fail;
}
hr = dxgiMutex->lpVtbl->ReleaseSync(dxgiMutex, 0);
dxgiMutex->lpVtbl->Release(dxgiMutex);
if (SUCCEEDED(hr)) {
return true;
}
fail:
error_setg_win32(errp, GetLastError(), "failed to release texture mutex");
return false;
}
#endif /* WIN32 */
#if defined(CONFIG_GBM) || defined(WIN32)
static void dbus_update_gl_cb(GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
g_autoptr(GError) err = NULL;
DBusDisplayListener *ddl = user_data;
bool success;
#ifdef CONFIG_GBM
success = qemu_dbus_display1_listener_call_update_dmabuf_finish(
ddl->proxy, res, &err);
#endif
#ifdef WIN32
success = qemu_dbus_display1_listener_win32_d3d11_call_update_texture2d_finish(
ddl->d3d11_proxy, res, &err);
d3d_texture2d_acquire0(ddl->d3d_texture, &error_warn);
#endif
if (!success) {
error_report("Failed to call update: %s", err->message);
}
graphic_hw_gl_block(ddl->dcl.con, false);
g_object_unref(ddl);
}
#endif
static void dbus_call_update_gl(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
#if defined(CONFIG_GBM) || defined(WIN32)
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
#endif
trace_dbus_update_gl(x, y, w, h);
glFlush();
#ifdef CONFIG_GBM
graphic_hw_gl_block(ddl->dcl.con, true);
qemu_dbus_display1_listener_call_update_dmabuf(ddl->proxy,
x, y, w, h,
G_DBUS_CALL_FLAGS_NONE,
DBUS_DEFAULT_TIMEOUT, NULL,
dbus_update_gl_cb,
g_object_ref(ddl));
#endif
#ifdef WIN32
switch (ddl->ds_share) {
case SHARE_KIND_MAPPED:
egl_fb_read_rect(ddl->ds, &ddl->fb, x, y, w, h);
dbus_gfx_update(dcl, x, y, w, h);
break;
case SHARE_KIND_D3DTEX: {
Error *err = NULL;
assert(ddl->d3d_texture);
graphic_hw_gl_block(ddl->dcl.con, true);
if (!d3d_texture2d_release0(ddl->d3d_texture, &err)) {
error_report_err(err);
return;
}
qemu_dbus_display1_listener_win32_d3d11_call_update_texture2d(
ddl->d3d11_proxy,
x, y, w, h,
G_DBUS_CALL_FLAGS_NONE,
DBUS_DEFAULT_TIMEOUT, NULL,
dbus_update_gl_cb,
g_object_ref(ddl));
break;
}
default:
g_warn_if_reached();
}
#endif
}
#ifdef CONFIG_GBM
static void dbus_scanout_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
g_autoptr(GError) err = NULL;
g_autoptr(GUnixFDList) fd_list = NULL;
int fd;
uint32_t width, height, stride, fourcc;
uint64_t modifier;
bool y0_top;
fd = qemu_dmabuf_get_fd(dmabuf);
fd_list = g_unix_fd_list_new();
if (g_unix_fd_list_append(fd_list, fd, &err) != 0) {
error_report("Failed to setup dmabuf fdlist: %s", err->message);
return;
}
ddl_discard_pending_messages(ddl);
width = qemu_dmabuf_get_width(dmabuf);
height = qemu_dmabuf_get_height(dmabuf);
stride = qemu_dmabuf_get_stride(dmabuf);
fourcc = qemu_dmabuf_get_fourcc(dmabuf);
modifier = qemu_dmabuf_get_modifier(dmabuf);
y0_top = qemu_dmabuf_get_y0_top(dmabuf);
/* FIXME: add missing x/y/w/h support */
qemu_dbus_display1_listener_call_scanout_dmabuf(
ddl->proxy, g_variant_new_handle(0),
width, height, stride, fourcc, modifier,
y0_top, G_DBUS_CALL_FLAGS_NONE,
-1, fd_list, NULL, NULL, NULL);
}
#endif /* GBM */
#endif /* OPENGL */
#ifdef WIN32
static bool dbus_scanout_map(DBusDisplayListener *ddl)
{
g_autoptr(GError) err = NULL;
BOOL success;
HANDLE target_handle;
if (ddl->ds_share == SHARE_KIND_MAPPED) {
return true;
}
if (!ddl->can_share_map || !ddl->ds->handle) {
return false;
}
success = DuplicateHandle(
GetCurrentProcess(),
ddl->ds->handle,
ddl->peer_process,
&target_handle,
FILE_MAP_READ | SECTION_QUERY,
FALSE, 0);
if (!success) {
g_autofree char *msg = g_win32_error_message(GetLastError());
g_debug("Failed to DuplicateHandle: %s", msg);
ddl->can_share_map = false;
return false;
}
ddl_discard_pending_messages(ddl);
if (!qemu_dbus_display1_listener_win32_map_call_scanout_map_sync(
ddl->map_proxy,
GPOINTER_TO_UINT(target_handle),
ddl->ds->handle_offset,
surface_width(ddl->ds),
surface_height(ddl->ds),
surface_stride(ddl->ds),
surface_format(ddl->ds),
G_DBUS_CALL_FLAGS_NONE,
DBUS_DEFAULT_TIMEOUT,
NULL,
&err)) {
g_debug("Failed to call ScanoutMap: %s", err->message);
ddl->can_share_map = false;
return false;
}
ddl->ds_share = SHARE_KIND_MAPPED;
return true;
}
#ifdef CONFIG_OPENGL
static bool
dbus_scanout_share_d3d_texture(
DBusDisplayListener *ddl,
ID3D11Texture2D *tex,
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)
{
Error *err = NULL;
BOOL success;
HANDLE share_handle, target_handle;
if (!d3d_texture2d_release0(tex, &err)) {
error_report_err(err);
return false;
}
if (!d3d_texture2d_share(tex, &share_handle, &err)) {
error_report_err(err);
return false;
}
success = DuplicateHandle(
GetCurrentProcess(),
share_handle,
ddl->peer_process,
&target_handle,
0,
FALSE, DUPLICATE_SAME_ACCESS);
if (!success) {
g_autofree char *msg = g_win32_error_message(GetLastError());
g_debug("Failed to DuplicateHandle: %s", msg);
CloseHandle(share_handle);
return false;
}
ddl_discard_pending_messages(ddl);
qemu_dbus_display1_listener_win32_d3d11_call_scanout_texture2d(
ddl->d3d11_proxy,
GPOINTER_TO_INT(target_handle),
backing_width,
backing_height,
backing_y_0_top,
x, y, w, h,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL, NULL, NULL);
CloseHandle(share_handle);
if (!d3d_texture2d_acquire0(tex, &err)) {
error_report_err(err);
return false;
}
ddl->d3d_texture = tex;
ddl->ds_share = SHARE_KIND_D3DTEX;
return true;
}
#endif /* CONFIG_OPENGL */
#endif /* WIN32 */
#ifdef CONFIG_OPENGL
static void dbus_scanout_texture(DisplayChangeListener *dcl,
uint32_t tex_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,
void *d3d_tex2d)
{
trace_dbus_scanout_texture(tex_id, backing_y_0_top,
backing_width, backing_height, x, y, w, h);
#ifdef CONFIG_GBM
g_autoptr(QemuDmaBuf) dmabuf = NULL;
int fd;
uint32_t stride, fourcc;
uint64_t modifier;
assert(tex_id);
fd = egl_get_fd_for_texture(tex_id, (EGLint *)&stride, (EGLint *)&fourcc,
&modifier);
if (fd < 0) {
error_report("%s: failed to get fd for texture", __func__);
return;
}
dmabuf = qemu_dmabuf_new(w, h, stride, x, y, backing_width,
backing_height, fourcc, modifier, fd,
false, backing_y_0_top);
dbus_scanout_dmabuf(dcl, dmabuf);
qemu_dmabuf_close(dmabuf);
#endif
#ifdef WIN32
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
/* there must be a matching gfx_switch before */
assert(surface_width(ddl->ds) == w);
assert(surface_height(ddl->ds) == h);
if (d3d_tex2d) {
dbus_scanout_share_d3d_texture(ddl, d3d_tex2d, backing_y_0_top,
backing_width, backing_height, x, y, w, h);
} else {
dbus_scanout_map(ddl);
egl_fb_setup_for_tex(&ddl->fb, backing_width, backing_height, tex_id, false);
}
#endif
}
#ifdef CONFIG_GBM
static void dbus_cursor_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf, bool have_hot,
uint32_t hot_x, uint32_t hot_y)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
DisplaySurface *ds;
GVariant *v_data = NULL;
egl_fb cursor_fb = EGL_FB_INIT;
uint32_t width, height, texture;
if (!dmabuf) {
qemu_dbus_display1_listener_call_mouse_set(
ddl->proxy, 0, 0, false,
G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
return;
}
egl_dmabuf_import_texture(dmabuf);
texture = qemu_dmabuf_get_texture(dmabuf);
if (!texture) {
return;
}
width = qemu_dmabuf_get_width(dmabuf);
height = qemu_dmabuf_get_height(dmabuf);
egl_fb_setup_for_tex(&cursor_fb, width, height, texture, false);
ds = qemu_create_displaysurface(width, height);
egl_fb_read(ds, &cursor_fb);
v_data = g_variant_new_from_data(
G_VARIANT_TYPE("ay"),
surface_data(ds),
surface_width(ds) * surface_height(ds) * 4,
TRUE,
(GDestroyNotify)qemu_free_displaysurface,
ds);
qemu_dbus_display1_listener_call_cursor_define(
ddl->proxy,
surface_width(ds),
surface_height(ds),
hot_x,
hot_y,
v_data,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
NULL,
NULL);
}
static void dbus_release_dmabuf(DisplayChangeListener *dcl,
QemuDmaBuf *dmabuf)
{
dbus_scanout_disable(dcl);
}
#endif /* GBM */
static void dbus_gl_cursor_position(DisplayChangeListener *dcl,
uint32_t pos_x, uint32_t pos_y)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
qemu_dbus_display1_listener_call_mouse_set(
ddl->proxy, pos_x, pos_y, true,
G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
}
static void dbus_scanout_update(DisplayChangeListener *dcl,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h)
{
dbus_call_update_gl(dcl, x, y, w, h);
}
static void dbus_gl_refresh(DisplayChangeListener *dcl)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
graphic_hw_update(dcl->con);
if (!ddl->ds || qemu_console_is_gl_blocked(ddl->dcl.con)) {
return;
}
#ifdef CONFIG_PIXMAN
int n_rects = pixman_region32_n_rects(&ddl->gl_damage);
for (int i = 0; i < n_rects; i++) {
pixman_box32_t *box;
box = pixman_region32_rectangles(&ddl->gl_damage, NULL) + i;
/* TODO: Add a UpdateList call to send multiple updates at once */
dbus_call_update_gl(dcl, box->x1, box->y1,
box->x2 - box->x1, box->y2 - box->y1);
}
pixman_region32_clear(&ddl->gl_damage);
#else
if (ddl->gl_damage) {
dbus_call_update_gl(dcl, 0, 0,
surface_width(ddl->ds), surface_height(ddl->ds));
ddl->gl_damage = 0;
}
#endif
}
#endif /* OPENGL */
static void dbus_refresh(DisplayChangeListener *dcl)
{
graphic_hw_update(dcl->con);
}
#ifdef CONFIG_OPENGL
static void dbus_gl_gfx_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
#ifdef CONFIG_PIXMAN
pixman_region32_t rect_region;
pixman_region32_init_rect(&rect_region, x, y, w, h);
pixman_region32_union(&ddl->gl_damage, &ddl->gl_damage, &rect_region);
pixman_region32_fini(&rect_region);
#else
ddl->gl_damage++;
#endif
}
#endif
static void dbus_gfx_update_sub(DBusDisplayListener *ddl,
int x, int y, int w, int h)
{
pixman_image_t *img;
size_t stride;
GVariant *v_data;
/* make a copy, since gvariant only handles linear data */
stride = w * DIV_ROUND_UP(PIXMAN_FORMAT_BPP(surface_format(ddl->ds)), 8);
img = pixman_image_create_bits(surface_format(ddl->ds),
w, h, NULL, stride);
#ifdef CONFIG_PIXMAN
pixman_image_composite(PIXMAN_OP_SRC, ddl->ds->image, NULL, img,
x, y, 0, 0, 0, 0, w, h);
#else
{
uint8_t *src = (uint8_t *)pixman_image_get_data(ddl->ds->image);
uint8_t *dst = (uint8_t *)pixman_image_get_data(img);
int bp = PIXMAN_FORMAT_BPP(surface_format(ddl->ds)) / 8;
int hh;
for (hh = 0; hh < h; hh++) {
memcpy(&dst[stride * hh],
&src[surface_stride(ddl->ds) * (hh + y) + x * bp],
stride);
}
}
#endif
v_data = g_variant_new_from_data(
G_VARIANT_TYPE("ay"),
pixman_image_get_data(img),
pixman_image_get_stride(img) * h,
TRUE,
(GDestroyNotify)pixman_image_unref,
img);
qemu_dbus_display1_listener_call_update(ddl->proxy,
x, y, w, h, pixman_image_get_stride(img), pixman_image_get_format(img),
v_data,
G_DBUS_CALL_FLAGS_NONE,
DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL);
}
static void ddl_scanout(DBusDisplayListener *ddl)
{
GVariant *v_data;
v_data = g_variant_new_from_data(
G_VARIANT_TYPE("ay"), surface_data(ddl->ds),
surface_stride(ddl->ds) * surface_height(ddl->ds), TRUE,
(GDestroyNotify)pixman_image_unref, pixman_image_ref(ddl->ds->image));
ddl_discard_pending_messages(ddl);
qemu_dbus_display1_listener_call_scanout(
ddl->proxy, surface_width(ddl->ds), surface_height(ddl->ds),
surface_stride(ddl->ds), surface_format(ddl->ds), v_data,
G_DBUS_CALL_FLAGS_NONE, DBUS_DEFAULT_TIMEOUT, NULL, NULL,
g_object_ref(ddl));
}
static void dbus_gfx_update(DisplayChangeListener *dcl,
int x, int y, int w, int h)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
assert(ddl->ds);
trace_dbus_update(x, y, w, h);
#ifdef WIN32
if (dbus_scanout_map(ddl)) {
qemu_dbus_display1_listener_win32_map_call_update_map(
ddl->map_proxy,
x, y, w, h,
G_DBUS_CALL_FLAGS_NONE,
DBUS_DEFAULT_TIMEOUT, NULL, NULL, NULL);
return;
}
#endif
if (x == 0 && y == 0 && w == surface_width(ddl->ds) && h == surface_height(ddl->ds)) {
return ddl_scanout(ddl);
}
dbus_gfx_update_sub(ddl, x, y, w, h);
}
#ifdef CONFIG_OPENGL
static void dbus_gl_gfx_switch(DisplayChangeListener *dcl,
struct DisplaySurface *new_surface)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
trace_dbus_gl_gfx_switch(new_surface);
ddl->ds = new_surface;
ddl->ds_share = SHARE_KIND_NONE;
if (ddl->ds) {
int width = surface_width(ddl->ds);
int height = surface_height(ddl->ds);
/* TODO: lazy send dmabuf (there are unnecessary sent otherwise) */
dbus_scanout_texture(&ddl->dcl, ddl->ds->texture, false,
width, height, 0, 0, width, height, NULL);
}
}
#endif
static void dbus_gfx_switch(DisplayChangeListener *dcl,
struct DisplaySurface *new_surface)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
ddl->ds = new_surface;
ddl->ds_share = SHARE_KIND_NONE;
}
static void dbus_mouse_set(DisplayChangeListener *dcl,
int x, int y, bool on)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
qemu_dbus_display1_listener_call_mouse_set(
ddl->proxy, x, y, on, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
}
static void dbus_cursor_define(DisplayChangeListener *dcl,
QEMUCursor *c)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
GVariant *v_data = NULL;
v_data = g_variant_new_from_data(
G_VARIANT_TYPE("ay"),
c->data,
c->width * c->height * 4,
TRUE,
(GDestroyNotify)cursor_unref,
cursor_ref(c));
qemu_dbus_display1_listener_call_cursor_define(
ddl->proxy,
c->width,
c->height,
c->hot_x,
c->hot_y,
v_data,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
NULL,
NULL);
}
#ifdef CONFIG_OPENGL
const DisplayChangeListenerOps dbus_gl_dcl_ops = {
.dpy_name = "dbus-gl",
.dpy_gfx_update = dbus_gl_gfx_update,
.dpy_gfx_switch = dbus_gl_gfx_switch,
.dpy_gfx_check_format = console_gl_check_format,
.dpy_refresh = dbus_gl_refresh,
.dpy_mouse_set = dbus_mouse_set,
.dpy_cursor_define = dbus_cursor_define,
.dpy_gl_scanout_disable = dbus_scanout_disable,
.dpy_gl_scanout_texture = dbus_scanout_texture,
#ifdef CONFIG_GBM
.dpy_gl_scanout_dmabuf = dbus_scanout_dmabuf,
.dpy_gl_cursor_dmabuf = dbus_cursor_dmabuf,
.dpy_gl_release_dmabuf = dbus_release_dmabuf,
#endif
.dpy_gl_cursor_position = dbus_gl_cursor_position,
.dpy_gl_update = dbus_scanout_update,
};
#endif
const DisplayChangeListenerOps dbus_dcl_ops = {
.dpy_name = "dbus",
.dpy_gfx_update = dbus_gfx_update,
.dpy_gfx_switch = dbus_gfx_switch,
.dpy_refresh = dbus_refresh,
.dpy_mouse_set = dbus_mouse_set,
.dpy_cursor_define = dbus_cursor_define,
};
static void
dbus_display_listener_dispose(GObject *object)
{
DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(object);
unregister_displaychangelistener(&ddl->dcl);
g_clear_object(&ddl->conn);
g_clear_pointer(&ddl->bus_name, g_free);
g_clear_object(&ddl->proxy);
#ifdef WIN32
g_clear_object(&ddl->map_proxy);
g_clear_object(&ddl->d3d11_proxy);
g_clear_pointer(&ddl->peer_process, CloseHandle);
#ifdef CONFIG_PIXMAN
pixman_region32_fini(&ddl->gl_damage);
#endif
#ifdef CONFIG_OPENGL
egl_fb_destroy(&ddl->fb);
#endif
#endif
G_OBJECT_CLASS(dbus_display_listener_parent_class)->dispose(object);
}
static void
dbus_display_listener_constructed(GObject *object)
{
DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(object);
ddl->dcl.ops = &dbus_dcl_ops;
#ifdef CONFIG_OPENGL
if (display_opengl) {
ddl->dcl.ops = &dbus_gl_dcl_ops;
}
#endif
G_OBJECT_CLASS(dbus_display_listener_parent_class)->constructed(object);
}
static void
dbus_display_listener_class_init(DBusDisplayListenerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS(klass);
object_class->dispose = dbus_display_listener_dispose;
object_class->constructed = dbus_display_listener_constructed;
}
static void
dbus_display_listener_init(DBusDisplayListener *ddl)
{
#ifdef CONFIG_PIXMAN
pixman_region32_init(&ddl->gl_damage);
#endif
}
const char *
dbus_display_listener_get_bus_name(DBusDisplayListener *ddl)
{
return ddl->bus_name ?: "p2p";
}
DBusDisplayConsole *
dbus_display_listener_get_console(DBusDisplayListener *ddl)
{
return ddl->console;
}
#ifdef WIN32
static bool
dbus_display_listener_implements(DBusDisplayListener *ddl, const char *iface)
{
QemuDBusDisplay1Listener *l = QEMU_DBUS_DISPLAY1_LISTENER(ddl->proxy);
bool implements;
implements = g_strv_contains(qemu_dbus_display1_listener_get_interfaces(l), iface);
if (!implements) {
g_debug("Display listener does not implement: `%s`", iface);
}
return implements;
}
static bool
dbus_display_listener_setup_peer_process(DBusDisplayListener *ddl)
{
g_autoptr(GError) err = NULL;
GDBusConnection *conn;
GIOStream *stream;
GSocket *sock;
g_autoptr(GCredentials) creds = NULL;
DWORD *pid;
if (ddl->peer_process) {
return true;
}
conn = g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy));
stream = g_dbus_connection_get_stream(conn);
if (!G_IS_UNIX_CONNECTION(stream)) {
return false;
}
sock = g_socket_connection_get_socket(G_SOCKET_CONNECTION(stream));
creds = g_socket_get_credentials(sock, &err);
if (!creds) {
g_debug("Failed to get peer credentials: %s", err->message);
return false;
}
pid = g_credentials_get_native(creds, G_CREDENTIALS_TYPE_WIN32_PID);
if (pid == NULL) {
g_debug("Failed to get peer PID");
return false;
}
ddl->peer_process = OpenProcess(
PROCESS_DUP_HANDLE | PROCESS_QUERY_INFORMATION,
false, *pid);
if (!ddl->peer_process) {
g_autofree char *msg = g_win32_error_message(GetLastError());
g_debug("Failed to OpenProcess: %s", msg);
return false;
}
return true;
}
#endif
static void
dbus_display_listener_setup_d3d11(DBusDisplayListener *ddl)
{
#ifdef WIN32
g_autoptr(GError) err = NULL;
if (!dbus_display_listener_implements(ddl,
"org.qemu.Display1.Listener.Win32.D3d11")) {
return;
}
if (!dbus_display_listener_setup_peer_process(ddl)) {
return;
}
ddl->d3d11_proxy =
qemu_dbus_display1_listener_win32_d3d11_proxy_new_sync(ddl->conn,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
"/org/qemu/Display1/Listener",
NULL,
&err);
if (!ddl->d3d11_proxy) {
g_debug("Failed to setup win32 d3d11 proxy: %s", err->message);
return;
}
#endif
}
static void
dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl)
{
#ifdef WIN32
g_autoptr(GError) err = NULL;
if (!dbus_display_listener_implements(ddl, "org.qemu.Display1.Listener.Win32.Map")) {
return;
}
if (!dbus_display_listener_setup_peer_process(ddl)) {
return;
}
ddl->map_proxy =
qemu_dbus_display1_listener_win32_map_proxy_new_sync(ddl->conn,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
"/org/qemu/Display1/Listener",
NULL,
&err);
if (!ddl->map_proxy) {
g_debug("Failed to setup win32 map proxy: %s", err->message);
return;
}
ddl->can_share_map = true;
#endif
}
static GDBusMessage *
dbus_filter(GDBusConnection *connection,
GDBusMessage *message,
gboolean incoming,
gpointer user_data)
{
DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(user_data);
guint32 serial;
if (incoming) {
return message;
}