|  | /* | 
|  | * 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, int 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; | 
|  | } | 
|  |  | 
|  | serial = g_dbus_message_get_serial(message); | 
|  | if (serial <= ddl->out_serial_to_discard) { | 
|  | trace_dbus_filter(serial, ddl->out_serial_to_discard); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | return message; | 
|  | } | 
|  |  | 
|  | DBusDisplayListener * | 
|  | dbus_display_listener_new(const char *bus_name, | 
|  | GDBusConnection *conn, | 
|  | DBusDisplayConsole *console) | 
|  | { | 
|  | DBusDisplayListener *ddl; | 
|  | QemuConsole *con; | 
|  | g_autoptr(GError) err = NULL; | 
|  |  | 
|  | ddl = g_object_new(DBUS_DISPLAY_TYPE_LISTENER, NULL); | 
|  | ddl->proxy = | 
|  | qemu_dbus_display1_listener_proxy_new_sync(conn, | 
|  | G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, | 
|  | NULL, | 
|  | "/org/qemu/Display1/Listener", | 
|  | NULL, | 
|  | &err); | 
|  | if (!ddl->proxy) { | 
|  | error_report("Failed to setup proxy: %s", err->message); | 
|  | g_object_unref(conn); | 
|  | g_object_unref(ddl); | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | ddl->dbus_filter = g_dbus_connection_add_filter(conn, dbus_filter, g_object_ref(ddl), g_object_unref); | 
|  | ddl->bus_name = g_strdup(bus_name); | 
|  | ddl->conn = conn; | 
|  | ddl->console = console; | 
|  |  | 
|  | dbus_display_listener_setup_shared_map(ddl); | 
|  | dbus_display_listener_setup_d3d11(ddl); | 
|  |  | 
|  | con = qemu_console_lookup_by_index(dbus_display_console_get_index(console)); | 
|  | assert(con); | 
|  | ddl->dcl.con = con; | 
|  | register_displaychangelistener(&ddl->dcl); | 
|  |  | 
|  | return ddl; | 
|  | } |