@@ -23,11 +23,16 @@
*/
#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"
@@ -39,6 +44,12 @@
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;
@@ -50,6 +61,8 @@ struct _DBusDisplayListener {
DisplayChangeListener dcl;
DisplaySurface *ds;
+ enum share_kind ds_share;
+
int gl_updates;
bool ds_mapped;
@@ -57,7 +70,9 @@ struct _DBusDisplayListener {
#ifdef WIN32
QemuDBusDisplay1ListenerWin32Map *map_proxy;
+ QemuDBusDisplay1ListenerWin32D3d11 *d3d11_proxy;
HANDLE peer_process;
+ ID3D11Texture2D *d3d_texture;
#ifdef CONFIG_OPENGL
egl_fb fb;
#endif
@@ -74,28 +89,120 @@ static void dbus_scanout_disable(DisplayChangeListener *dcl)
{
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
- ddl->ds = NULL;
qemu_dbus_display1_listener_call_disable(
ddl->proxy, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
}
-#ifdef CONFIG_GBM
+#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 */
+
static void dbus_update_gl_cb(GObject *source_object,
- GAsyncResult *res,
- gpointer user_data)
+ 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 (!qemu_dbus_display1_listener_call_update_dmabuf_finish(ddl->proxy,
- res, &err)) {
+ 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)
@@ -116,8 +223,31 @@ static void dbus_call_update_gl(DisplayChangeListener *dcl,
#endif
#ifdef WIN32
- egl_fb_read_rect(ddl->ds, &ddl->fb, x, y, w, h);
- dbus_gfx_update(dcl, x, y, w, h);
+ 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
}
@@ -160,7 +290,7 @@ static bool dbus_scanout_map(DBusDisplayListener *ddl)
BOOL success;
HANDLE target_handle;
- if (ddl->ds_mapped) {
+ if (ddl->ds_share == SHARE_KIND_MAPPED) {
return true;
}
@@ -199,7 +329,69 @@ static bool dbus_scanout_map(DBusDisplayListener *ddl)
return false;
}
- ddl->ds_mapped = true;
+ ddl->ds_share = SHARE_KIND_MAPPED;
+
+ return true;
+}
+
+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;
+ }
+
+ 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;
}
@@ -248,7 +440,14 @@ static void dbus_scanout_texture(DisplayChangeListener *dcl,
/* there must be a matching gfx_switch before */
assert(surface_width(ddl->ds) == w);
assert(surface_height(ddl->ds) == h);
- egl_fb_setup_for_tex(&ddl->fb, backing_width, backing_height, tex_id, false);
+
+ 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
}
@@ -429,6 +628,7 @@ static void dbus_gl_gfx_switch(DisplayChangeListener *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);
@@ -446,13 +646,7 @@ static void dbus_gfx_switch(DisplayChangeListener *dcl,
DBusDisplayListener *ddl = container_of(dcl, DBusDisplayListener, dcl);
ddl->ds = new_surface;
-#ifdef WIN32
- ddl->ds_mapped = false;
-#endif
- if (!ddl->ds) {
- /* why not call disable instead? */
- return;
- }
+ ddl->ds_share = SHARE_KIND_NONE;
}
static void dbus_mouse_set(DisplayChangeListener *dcl,
@@ -534,6 +728,7 @@ dbus_display_listener_dispose(GObject *object)
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_OPENGL
egl_fb_destroy(&ddl->fb);
@@ -598,12 +793,10 @@ dbus_display_listener_implements(DBusDisplayListener *ddl, const char *iface)
return implements;
}
-#endif
-static void
-dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl)
+static bool
+dbus_display_listener_setup_peer_process(DBusDisplayListener *ddl)
{
-#ifdef WIN32
g_autoptr(GError) err = NULL;
GDBusConnection *conn;
GIOStream *stream;
@@ -611,15 +804,15 @@ dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl)
g_autoptr(GCredentials) creds = NULL;
DWORD *pid;
- if (!dbus_display_listener_implements(ddl, "org.qemu.Display1.Listener.Win32.Map")) {
- return;
+ 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;
+ return false;
}
sock = g_socket_connection_get_socket(G_SOCKET_CONNECTION(stream));
@@ -627,14 +820,14 @@ dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl)
if (!creds) {
g_debug("Failed to get peer credentials: %s", err->message);
- return;
+ return false;
}
pid = g_credentials_get_native(creds, G_CREDENTIALS_TYPE_WIN32_PID);
if (pid == NULL) {
g_debug("Failed to get peer PID");
- return;
+ return false;
}
ddl->peer_process = OpenProcess(
@@ -644,11 +837,58 @@ dbus_display_listener_setup_shared_map(DBusDisplayListener *ddl)
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(conn,
+ qemu_dbus_display1_listener_win32_map_proxy_new_sync(ddl->conn,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
"/org/qemu/Display1/Listener",
@@ -692,6 +932,7 @@ dbus_display_listener_new(const char *bus_name,
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);
@@ -431,8 +431,9 @@
<!--
org.qemu.Display1.Listener.Win32.Map:
- This client-side interface can complement org.qemu.Display1.Listener on
- ``/org/qemu/Display1/Listener`` for Windows specific methods.
+ This optional client-side interface can complement
+ org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for Windows
+ specific shared memory scanouts.
-->
<interface name="org.qemu.Display1.Listener.Win32.Map">
<!--
@@ -472,6 +473,57 @@
</method>
</interface>
+ <!--
+ org.qemu.Display1.Listener.Win32.D3d11:
+
+ This optional client-side interface can complement
+ org.qemu.Display1.Listener on ``/org/qemu/Display1/Listener`` for Windows
+ specific Direct3D texture sharing of the scanouts.
+ -->
+ <interface name="org.qemu.Display1.Listener.Win32.D3d11">
+ <!--
+ ScanoutTexture2d:
+ @handle: the NT handle for the shared texture (to be opened back with ID3D11Device1::OpenSharedResource1).
+ @texture_width: texture width, in pixels.
+ @texture_height: texture height, in pixels.
+ @y0_top: whether Y position 0 is the top or not.
+ @x: the X scanout position, in pixels.
+ @y: the Y scanout position, in pixels.
+ @width: the scanout width, in pixels.
+ @height: the scanout height, in pixels.
+
+ Resize and update the display content with a Direct3D 11 2D texture.
+ You must acquire and release the associated KeyedMutex 0 during rendering.
+ -->
+ <method name="ScanoutTexture2d">
+ <arg type="t" name="handle" direction="in"/>
+ <arg type="u" name="texture_width" direction="in"/>
+ <arg type="u" name="texture_height" direction="in"/>
+ <arg type="b" name="y0_top" direction="in"/>
+ <arg type="u" name="x" direction="in"/>
+ <arg type="u" name="y" direction="in"/>
+ <arg type="u" name="width" direction="in"/>
+ <arg type="u" name="height" direction="in"/>
+ </method>
+
+ <!--
+ UpdateTexture2d:
+ @x: the X update position, in pixels.
+ @y: the Y update position, in pixels.
+ @width: the update width, in pixels.
+ @height: the update height, in pixels.
+
+ Update the display content with the current Direct3D 2D texture and the given region.
+ You must acquire and release the associated KeyedMutex 0 during rendering.
+ -->
+ <method name="UpdateTexture2d">
+ <arg type="i" name="x" direction="in"/>
+ <arg type="i" name="y" direction="in"/>
+ <arg type="i" name="width" direction="in"/>
+ <arg type="i" name="height" direction="in"/>
+ </method>
+ </interface>
+
<!--
org.qemu.Display1.Clipboard: